rework towards a library interface
This commit is contained in:
parent
40669a5a0a
commit
d8da91cbc2
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@ -1,9 +1,9 @@
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LDFLAGS=`pkg-config --libs libusb-1.0`
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CFLAGS=-Wall -O2 `pkg-config --cflags libusb-1.0`
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CFLAGS=-Wall -g -O0 `pkg-config --cflags libusb-1.0`
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all: rtl-sdr
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rtl-sdr: main.o tuner_e4000.o tuner_fc0013.c
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rtl-sdr: main.o rtl-sdr.o tuner_e4000.o tuner_fc0013.c
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$(CC) -o $@ $^ $(LDFLAGS)
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clean:
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@ -1,7 +1,9 @@
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#ifndef __I2C_H
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#define __I2C_H
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int rtl_i2c_write(uint8_t i2c_addr, uint8_t *buffer, int len);
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int rtl_i2c_read(uint8_t i2c_addr, uint8_t *buffer, int len);
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typedef int rtlsdr_dev_t;
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int rtlsdr_i2c_write(rtlsdr_dev_t *dev, uint8_t i2c_addr, uint8_t *buffer, int len);
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int rtlsdr_i2c_read(rtlsdr_dev_t *dev, uint8_t i2c_addr, uint8_t *buffer, int len);
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#endif
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360
src/main.c
360
src/main.c
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@ -24,303 +24,12 @@
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#include <math.h>
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#include <unistd.h>
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#include <libusb.h>
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#include "tuner_e4000.h"
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#include "tuner_fc0013.h"
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#include "rtl-sdr.h"
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#define READLEN (16 * 16384)
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#define CTRL_IN (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_IN)
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#define CTRL_OUT (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT)
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/* ezcap USB 2.0 DVB-T/DAB/FM stick */
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#define EZCAP_VID 0x0bda
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#define EZCAP_PID 0x2838
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/* Terratec NOXON DAB/DAB+ USB-Stick */
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#define NOXON_VID 0x0ccd
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#define NOXON_PID 0x00b3
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#define CRYSTAL_FREQ 28800000
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static struct libusb_device_handle *devh = NULL;
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static int do_exit = 0;
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enum TUNER_TYPE {
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TUNER_E4000,
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TUNER_FC0013
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} tuner_type;
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static int find_device(void)
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{
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devh = libusb_open_device_with_vid_pid(NULL, EZCAP_VID, EZCAP_PID);
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if (devh > 0) {
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tuner_type = TUNER_E4000;
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printf("Found ezcap stick with E4000 tuner\n");
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return 0;
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}
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devh = libusb_open_device_with_vid_pid(NULL, NOXON_VID, NOXON_PID);
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if (devh > 0) {
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tuner_type = TUNER_FC0013;
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printf("Found Terratec NOXON stick with FC0013 tuner\n");
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return 0;
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}
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return -EIO;
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}
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enum usb_reg {
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USB_SYSCTL = 0x2000,
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USB_CTRL = 0x2010,
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USB_STAT = 0x2014,
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USB_EPA_CFG = 0x2144,
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USB_EPA_CTL = 0x2148,
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USB_EPA_MAXPKT = 0x2158,
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USB_EPA_MAXPKT_2 = 0x215a,
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USB_EPA_FIFO_CFG = 0x2160,
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};
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enum sys_reg {
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DEMOD_CTL = 0x3000,
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GPO = 0x3001,
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GPI = 0x3002,
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GPOE = 0x3003,
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GPD = 0x3004,
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SYSINTE = 0x3005,
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SYSINTS = 0x3006,
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GP_CFG0 = 0x3007,
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GP_CFG1 = 0x3008,
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SYSINTE_1 = 0x3009,
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SYSINTS_1 = 0x300a,
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DEMOD_CTL_1 = 0x300b,
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IR_SUSPEND = 0x300c,
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};
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enum blocks {
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DEMODB = 0,
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USBB = 1,
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SYSB = 2,
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TUNB = 3,
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ROMB = 4,
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IRB = 5,
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IICB = 6,
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};
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int rtl_read_array(uint8_t block, uint16_t addr, uint8_t *array, uint8_t len)
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{
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int r;
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uint16_t index = (block << 8);
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r = libusb_control_transfer(devh, CTRL_IN, 0, addr, index, array, len, 0);
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return r;
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}
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int rtl_write_array(uint8_t block, uint16_t addr, uint8_t *array, uint8_t len)
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{
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int r;
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uint16_t index = (block << 8) | 0x10;
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r = libusb_control_transfer(devh, CTRL_OUT, 0, addr, index, array, len, 0);
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return r;
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}
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int rtl_i2c_write(uint8_t i2c_addr, uint8_t *buffer, int len)
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{
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uint16_t addr = i2c_addr;
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return rtl_write_array(IICB, addr, buffer, len);
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}
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int rtl_i2c_read(uint8_t i2c_addr, uint8_t *buffer, int len)
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{
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uint16_t addr = i2c_addr;
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return rtl_read_array(IICB, addr, buffer, len);
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}
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uint16_t rtl_read_reg(uint8_t block, uint16_t addr, uint8_t len)
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{
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int r;
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unsigned char data[2];
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uint16_t index = (block << 8);
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uint16_t reg;
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r = libusb_control_transfer(devh, CTRL_IN, 0, addr, index, data, len, 0);
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if (r < 0)
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printf("%s failed\n", __FUNCTION__);
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reg = (data[1] << 8) | data[0];
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return reg;
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}
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void rtl_write_reg(uint8_t block, uint16_t addr, uint16_t val, uint8_t len)
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{
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int r;
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unsigned char data[2];
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uint16_t index = (block << 8) | 0x10;
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if (len == 1)
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data[0] = val & 0xff;
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else
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data[0] = val >> 8;
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data[1] = val & 0xff;
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r = libusb_control_transfer(devh, CTRL_OUT, 0, addr, index, data, len, 0);
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if (r < 0)
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printf("%s failed\n", __FUNCTION__);
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}
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uint16_t demod_read_reg(uint8_t page, uint8_t addr, uint8_t len)
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{
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int r;
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unsigned char data[2];
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uint16_t index = page;
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uint16_t reg;
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addr = (addr << 8) | 0x20;
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r = libusb_control_transfer(devh, CTRL_IN, 0, addr, index, data, len, 0);
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if (r < 0)
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printf("%s failed\n", __FUNCTION__);
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reg = (data[1] << 8) | data[0];
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return reg;
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}
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void demod_write_reg(uint8_t page, uint16_t addr, uint16_t val, uint8_t len)
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{
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int r;
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unsigned char data[2];
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uint16_t index = 0x10 | page;
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addr = (addr << 8) | 0x20;
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if (len == 1)
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data[0] = val & 0xff;
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else
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data[0] = val >> 8;
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data[1] = val & 0xff;
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r = libusb_control_transfer(devh, CTRL_OUT, 0, addr, index, data, len, 0);
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if (r < 0)
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printf("%s failed\n", __FUNCTION__);
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demod_read_reg(0x0a, 0x01, 1);
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}
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void set_samp_rate(uint32_t samp_rate)
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{
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uint16_t tmp;
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uint32_t rsamp_ratio;
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double real_rate;
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/* check for the maximum rate the resampler supports */
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if (samp_rate > 3200000)
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samp_rate = 3200000;
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rsamp_ratio = (CRYSTAL_FREQ * pow(2, 22)) / samp_rate;
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rsamp_ratio &= ~3;
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real_rate = (CRYSTAL_FREQ * pow(2, 22)) / rsamp_ratio;
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printf("Setting sample rate: %.3f Hz\n", real_rate);
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tmp = (rsamp_ratio >> 16);
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demod_write_reg(1, 0x9f, tmp, 2);
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tmp = rsamp_ratio & 0xffff;
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demod_write_reg(1, 0xa1, tmp, 2);
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}
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void set_i2c_repeater(int on)
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{
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demod_write_reg(1, 0x01, on ? 0x18 : 0x10, 1);
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}
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void rtl_init(void)
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{
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unsigned int i;
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/* default FIR coefficients used for DAB/FM by the Windows driver,
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* the DVB driver uses different ones */
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uint8_t fir_coeff[] = {
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0xca, 0xdc, 0xd7, 0xd8, 0xe0, 0xf2, 0x0e, 0x35, 0x06, 0x50,
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0x9c, 0x0d, 0x71, 0x11, 0x14, 0x71, 0x74, 0x19, 0x41, 0x00,
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};
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/* initialize USB */
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rtl_write_reg(USBB, USB_SYSCTL, 0x09, 1);
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rtl_write_reg(USBB, USB_EPA_MAXPKT, 0x0002, 2);
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rtl_write_reg(USBB, USB_EPA_CTL, 0x1002, 2);
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/* poweron demod */
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rtl_write_reg(SYSB, DEMOD_CTL_1, 0x22, 1);
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rtl_write_reg(SYSB, DEMOD_CTL, 0xe8, 1);
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/* reset demod (bit 3, soft_rst) */
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demod_write_reg(1, 0x01, 0x14, 1);
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demod_write_reg(1, 0x01, 0x10, 1);
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/* disable spectrum inversion and adjacent channel rejection */
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demod_write_reg(1, 0x15, 0x00, 1);
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demod_write_reg(1, 0x16, 0x0000, 2);
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/* set IF-frequency to 0 Hz */
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demod_write_reg(1, 0x19, 0x0000, 2);
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/* set FIR coefficients */
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for (i = 0; i < sizeof (fir_coeff); i++)
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demod_write_reg(1, 0x1c + i, fir_coeff[i], 1);
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demod_write_reg(0, 0x19, 0x25, 1);
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/* init FSM state-holding register */
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demod_write_reg(1, 0x93, 0xf0, 1);
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/* disable AGC (en_dagc, bit 0) */
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demod_write_reg(1, 0x11, 0x00, 1);
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/* disable PID filter (enable_PID = 0) */
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demod_write_reg(0, 0x61, 0x60, 1);
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/* opt_adc_iq = 0, default ADC_I/ADC_Q datapath */
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demod_write_reg(0, 0x06, 0x80, 1);
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/* Enable Zero-IF mode (en_bbin bit), DC cancellation (en_dc_est),
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* IQ estimation/compensation (en_iq_comp, en_iq_est) */
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demod_write_reg(1, 0xb1, 0x1b, 1);
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}
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void tuner_init(int frequency)
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{
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set_i2c_repeater(1);
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switch (tuner_type) {
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case TUNER_E4000:
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e4000_Initialize(1);
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e4000_SetBandwidthHz(1, 8000000);
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e4000_SetRfFreqHz(1, frequency);
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break;
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case TUNER_FC0013:
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FC0013_Open();
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FC0013_SetFrequency(frequency/1000, 8);
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break;
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default:
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printf("No valid tuner available!");
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break;
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}
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printf("Tuned to %i Hz\n", frequency);
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set_i2c_repeater(0);
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}
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void usage(void)
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{
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printf("rtl-sdr, an I/Q recorder for RTL2832 based USB-sticks\n\n"
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@ -342,8 +51,9 @@ int main(int argc, char **argv)
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char *filename;
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uint32_t frequency = 0, samp_rate = 2048000;
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uint8_t buffer[READLEN];
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int n_read;
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uint32_t n_read;
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FILE *file;
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rtlsdr_dev_t *dev = NULL;
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while ((opt = getopt(argc, argv, "f:s:")) != -1) {
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switch (opt) {
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@ -365,24 +75,22 @@ int main(int argc, char **argv)
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filename = argv[optind];
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}
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r = libusb_init(NULL);
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if (r < 0) {
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fprintf(stderr, "Failed to initialize libusb\n");
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rtlsdr_init();
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int device_count = rtlsdr_get_device_count();
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if (!device_count) {
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fprintf(stderr, "No supported devices found.\n");
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exit(1);
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}
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printf("Found %d device(s).\n", device_count);
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dev = rtlsdr_open(0); /* open the first device */
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if (NULL == dev) {
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fprintf(stderr, "Failed to open rtlsdr device.\n");
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exit(1);
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}
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r = find_device();
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if (r < 0) {
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fprintf(stderr, "Could not find/open device\n");
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goto out;
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}
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r = libusb_claim_interface(devh, 0);
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if (r < 0) {
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fprintf(stderr, "usb_claim_interface error %d\n", r);
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goto out;
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}
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sigact.sa_handler = sighandler;
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sigemptyset(&sigact.sa_mask);
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sigact.sa_flags = 0;
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@ -390,12 +98,17 @@ int main(int argc, char **argv)
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sigaction(SIGTERM, &sigact, NULL);
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sigaction(SIGQUIT, &sigact, NULL);
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/* Initialize the RTL2832 */
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rtl_init();
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set_samp_rate(samp_rate);
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/* Set the sample rate */
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r = rtlsdr_set_sample_rate(dev, samp_rate);
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if (r < 0) {
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fprintf(stderr, "WARNING: Failed to set sample rate.\n");
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}
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/* Initialize tuner & set frequency */
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tuner_init(frequency);
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/* Set the frequency */
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r = rtlsdr_set_center_freq(dev, frequency);
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if (r < 0) {
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fprintf(stderr, "WARNING: Failed to set center freq.\n");
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}
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file = fopen(filename, "wb");
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@ -404,27 +117,30 @@ int main(int argc, char **argv)
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goto out;
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}
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/* reset endpoint before we start reading */
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rtl_write_reg(USBB, USB_EPA_CTL, 0x1002, 2);
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rtl_write_reg(USBB, USB_EPA_CTL, 0x0000, 2);
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/* Reset endpoint before we start reading from it */
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r = rtlsdr_reset_buffer(dev);
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if (r < 0) {
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fprintf(stderr, "WARNING: Failed to reset buffers.\n");
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}
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printf("Reading samples...\n");
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while (!do_exit) {
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libusb_bulk_transfer(devh, 0x81, buffer, READLEN, &n_read, 3000);
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r = rtlsdr_read_sync(dev, buffer, READLEN, &n_read);
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if (r < 0) {
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fprintf(stderr, "WARNING: sync read failed.\n");
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}
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fwrite(buffer, n_read, 1, file);
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if (n_read < READLEN) {
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printf("Short bulk read, samples lost, exiting!\n");
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printf("Short read, samples lost, exiting!\n");
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break;
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}
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}
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fclose(file);
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libusb_release_interface(devh, 0);
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rtlsdr_exit();
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out:
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libusb_close(devh);
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libusb_exit(NULL);
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return r >= 0 ? r : -r;
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}
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|
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@ -0,0 +1,539 @@
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/*
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* rtl-sdr, a poor man's SDR using a Realtek RTL2832 based DVB-stick
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* Copyright (C) 2012 by Steve Markgraf <steve@steve-m.de>
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*
|
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* This program is free software: you can redistribute it and/or modify
|
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* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 2 of the License, or
|
||||
*(at your option) any later version.
|
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*
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* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <signal.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
|
||||
#include <math.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <libusb.h>
|
||||
|
||||
#include "tuner_e4000.h"
|
||||
#include "tuner_fc0013.h"
|
||||
|
||||
/* generic tuner interface functions, shall be moved to the tuner implementations */
|
||||
int e4k_init(void *dev) { return e4000_Initialize(dev); }
|
||||
int e4k_exit(void *dev) { return 0; }
|
||||
int e4k_tune(void *dev, int freq) { return e4000_SetRfFreqHz(dev, freq); }
|
||||
int e4k_set_bw(void *dev, int bw) { return e4000_SetBandwidthHz(dev, 8000000); }
|
||||
|
||||
int fc0012_init(void *dev) { return 0; }
|
||||
int fc0012_exit(void *dev) { return 0; }
|
||||
int fc0012_tune(void *dev, int freq) { return 0; }
|
||||
int fc0012_set_bw(void *dev, int bw) { return 0; }
|
||||
|
||||
int fc0013_init(void *dev) { return FC0013_Open(dev); }
|
||||
int fc0013_exit(void *dev) { return 0; }
|
||||
int fc0013_tune(void *dev, int freq) {
|
||||
/* read bandwidth mode to reapply it */
|
||||
int bw = 0;
|
||||
//fc0013_GetBandwidthMode(dev, &bw); // FIXME: missing
|
||||
return FC0013_SetFrequency(dev, freq/1000, bw & 0xff);
|
||||
}
|
||||
int fc0013_set_bw(void *dev, int bw) {
|
||||
/* read frequency to reapply it */
|
||||
unsigned long freq = 0;
|
||||
//fc0013_GetRfFreqHz(dev, &freq); // FIXME: missing
|
||||
return FC0013_SetFrequency(dev, freq/1000, 8);
|
||||
}
|
||||
|
||||
enum rtlsdr_tuners {
|
||||
RTLSDR_TUNER_UNDEF,
|
||||
RTLSDR_TUNER_E4000,
|
||||
RTLSDR_TUNER_FC0012,
|
||||
RTLSDR_TUNER_FC0013
|
||||
};
|
||||
|
||||
typedef struct rtlsdr_tuner {
|
||||
enum rtlsdr_tuners tuner;
|
||||
int(*init)(void *);
|
||||
int(*exit)(void *);
|
||||
int(*tune)(void *, int freq /* Hz */);
|
||||
int(*set_bw)(void *, int bw /* Hz */);
|
||||
int freq; /* Hz */
|
||||
int corr; /* ppm */
|
||||
} rtlsdr_tuner_t;
|
||||
|
||||
rtlsdr_tuner_t tuners[] = {
|
||||
{ RTLSDR_TUNER_E4000, e4k_init, e4k_exit, e4k_tune, e4k_set_bw, 0, 0 },
|
||||
{ RTLSDR_TUNER_FC0012, fc0012_init, fc0012_exit, fc0012_tune, fc0012_set_bw, 0, 0 },
|
||||
{ RTLSDR_TUNER_FC0013, fc0013_init, fc0013_exit, fc0013_tune, fc0013_set_bw, 0, 0 },
|
||||
};
|
||||
|
||||
struct rtlsdr_device {
|
||||
uint16_t vid;
|
||||
uint16_t pid;
|
||||
} devices[] = {
|
||||
{ 0x0bda, 0x2832, /*RTLSDR_TUNER_E4000,*/ }, /* default RTL2832U vid/pid (eg. hama nano) */
|
||||
{ 0x0bda, 0x2838, /*RTLSDR_TUNER_E4000,*/ }, /* ezcap USB 2.0 DVB-T/DAB/FM stick */
|
||||
{ 0x0ccd, 0x00b3, /*RTLSDR_TUNER_FC0013,*/ }, /* Terratec NOXON DAB/DAB+ USB-Stick */
|
||||
{ 0x1f4d, 0xb803, /*RTLSDR_TUNER_FC0012,*/ }, /* GTek T803 */
|
||||
{ 0x1b80, 0xd3a4, /*RTLSDR_TUNER_FC0013,*/ }, /* Twintech UT-40 */
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
struct libusb_device_handle *devh;
|
||||
rtlsdr_tuner_t *tuner;
|
||||
} rtlsdr_dev_t;
|
||||
|
||||
#define CRYSTAL_FREQ 28800000
|
||||
|
||||
#define CTRL_IN (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_IN)
|
||||
#define CTRL_OUT (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT)
|
||||
|
||||
enum usb_reg {
|
||||
USB_SYSCTL = 0x2000,
|
||||
USB_CTRL = 0x2010,
|
||||
USB_STAT = 0x2014,
|
||||
USB_EPA_CFG = 0x2144,
|
||||
USB_EPA_CTL = 0x2148,
|
||||
USB_EPA_MAXPKT = 0x2158,
|
||||
USB_EPA_MAXPKT_2 = 0x215a,
|
||||
USB_EPA_FIFO_CFG = 0x2160,
|
||||
};
|
||||
|
||||
enum sys_reg {
|
||||
DEMOD_CTL = 0x3000,
|
||||
GPO = 0x3001,
|
||||
GPI = 0x3002,
|
||||
GPOE = 0x3003,
|
||||
GPD = 0x3004,
|
||||
SYSINTE = 0x3005,
|
||||
SYSINTS = 0x3006,
|
||||
GP_CFG0 = 0x3007,
|
||||
GP_CFG1 = 0x3008,
|
||||
SYSINTE_1 = 0x3009,
|
||||
SYSINTS_1 = 0x300a,
|
||||
DEMOD_CTL_1 = 0x300b,
|
||||
IR_SUSPEND = 0x300c,
|
||||
};
|
||||
|
||||
enum blocks {
|
||||
DEMODB = 0,
|
||||
USBB = 1,
|
||||
SYSB = 2,
|
||||
TUNB = 3,
|
||||
ROMB = 4,
|
||||
IRB = 5,
|
||||
IICB = 6,
|
||||
};
|
||||
|
||||
int rtlsdr_read_array(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint8_t *array, uint8_t len)
|
||||
{
|
||||
int r;
|
||||
uint16_t index = (block << 8);
|
||||
|
||||
r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, array, len, 0);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
int rtlsdr_write_array(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint8_t *array, uint8_t len)
|
||||
{
|
||||
int r;
|
||||
uint16_t index = (block << 8) | 0x10;
|
||||
|
||||
r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, array, len, 0);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
int rtlsdr_i2c_write(rtlsdr_dev_t *dev, uint8_t i2c_addr, uint8_t *buffer, int len)
|
||||
{
|
||||
uint16_t addr = i2c_addr;
|
||||
return rtlsdr_write_array(dev, IICB, addr, buffer, len);
|
||||
}
|
||||
|
||||
int rtlsdr_i2c_read(rtlsdr_dev_t *dev, uint8_t i2c_addr, uint8_t *buffer, int len)
|
||||
{
|
||||
uint16_t addr = i2c_addr;
|
||||
return rtlsdr_read_array(dev, IICB, addr, buffer, len);
|
||||
}
|
||||
|
||||
uint16_t rtlsdr_read_reg(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint8_t len)
|
||||
{
|
||||
int r;
|
||||
unsigned char data[2];
|
||||
uint16_t index = (block << 8);
|
||||
uint16_t reg;
|
||||
|
||||
r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, data, len, 0);
|
||||
|
||||
if (r < 0)
|
||||
printf("%s failed\n", __FUNCTION__);
|
||||
|
||||
reg = (data[1] << 8) | data[0];
|
||||
|
||||
return reg;
|
||||
}
|
||||
|
||||
void rtlsdr_write_reg(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint16_t val, uint8_t len)
|
||||
{
|
||||
int r;
|
||||
unsigned char data[2];
|
||||
|
||||
uint16_t index = (block << 8) | 0x10;
|
||||
|
||||
if (len == 1)
|
||||
data[0] = val & 0xff;
|
||||
else
|
||||
data[0] = val >> 8;
|
||||
|
||||
data[1] = val & 0xff;
|
||||
|
||||
r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, data, len, 0);
|
||||
|
||||
if (r < 0)
|
||||
printf("%s failed\n", __FUNCTION__);
|
||||
}
|
||||
|
||||
uint16_t rtlsdr_demod_read_reg(rtlsdr_dev_t *dev, uint8_t page, uint8_t addr, uint8_t len)
|
||||
{
|
||||
int r;
|
||||
unsigned char data[2];
|
||||
|
||||
uint16_t index = page;
|
||||
uint16_t reg;
|
||||
addr = (addr << 8) | 0x20;
|
||||
|
||||
r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, data, len, 0);
|
||||
|
||||
if (r < 0)
|
||||
printf("%s failed\n", __FUNCTION__);
|
||||
|
||||
reg = (data[1] << 8) | data[0];
|
||||
|
||||
return reg;
|
||||
}
|
||||
|
||||
void rtlsdr_demod_write_reg(rtlsdr_dev_t *dev, uint8_t page, uint16_t addr, uint16_t val, uint8_t len)
|
||||
{
|
||||
int r;
|
||||
unsigned char data[2];
|
||||
uint16_t index = 0x10 | page;
|
||||
addr = (addr << 8) | 0x20;
|
||||
|
||||
if (len == 1)
|
||||
data[0] = val & 0xff;
|
||||
else
|
||||
data[0] = val >> 8;
|
||||
|
||||
data[1] = val & 0xff;
|
||||
|
||||
r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, data, len, 0);
|
||||
|
||||
if (r < 0)
|
||||
printf("%s failed\n", __FUNCTION__);
|
||||
|
||||
rtlsdr_demod_read_reg(dev, 0x0a, 0x01, 1);
|
||||
}
|
||||
|
||||
void rtlsdr_set_i2c_repeater(rtlsdr_dev_t *dev, int on)
|
||||
{
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x01, on ? 0x18 : 0x10, 1);
|
||||
}
|
||||
|
||||
void rtlsdr_init_baseband(rtlsdr_dev_t *dev)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
/* default FIR coefficients used for DAB/FM by the Windows driver,
|
||||
* the DVB driver uses different ones */
|
||||
uint8_t fir_coeff[] = {
|
||||
0xca, 0xdc, 0xd7, 0xd8, 0xe0, 0xf2, 0x0e, 0x35, 0x06, 0x50,
|
||||
0x9c, 0x0d, 0x71, 0x11, 0x14, 0x71, 0x74, 0x19, 0x41, 0x00,
|
||||
};
|
||||
|
||||
/* initialize USB */
|
||||
rtlsdr_write_reg(dev, USBB, USB_SYSCTL, 0x09, 1);
|
||||
rtlsdr_write_reg(dev, USBB, USB_EPA_MAXPKT, 0x0002, 2);
|
||||
rtlsdr_write_reg(dev, USBB, USB_EPA_CTL, 0x1002, 2);
|
||||
|
||||
/* poweron demod */
|
||||
rtlsdr_write_reg(dev, SYSB, DEMOD_CTL_1, 0x22, 1);
|
||||
rtlsdr_write_reg(dev, SYSB, DEMOD_CTL, 0xe8, 1);
|
||||
|
||||
/* reset demod (bit 3, soft_rst) */
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x01, 0x14, 1);
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x01, 0x10, 1);
|
||||
|
||||
/* disable spectrum inversion and adjacent channel rejection */
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x15, 0x00, 1);
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x16, 0x0000, 2);
|
||||
|
||||
/* set IF-frequency to 0 Hz */
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x19, 0x0000, 2);
|
||||
|
||||
/* set FIR coefficients */
|
||||
for (i = 0; i < sizeof (fir_coeff); i++)
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x1c + i, fir_coeff[i], 1);
|
||||
|
||||
rtlsdr_demod_write_reg(dev, 0, 0x19, 0x25, 1);
|
||||
|
||||
/* init FSM state-holding register */
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x93, 0xf0, 1);
|
||||
|
||||
/* disable AGC (en_dagc, bit 0) */
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x11, 0x00, 1);
|
||||
|
||||
/* disable PID filter (enable_PID = 0) */
|
||||
rtlsdr_demod_write_reg(dev, 0, 0x61, 0x60, 1);
|
||||
|
||||
/* opt_adc_iq = 0, default ADC_I/ADC_Q datapath */
|
||||
rtlsdr_demod_write_reg(dev, 0, 0x06, 0x80, 1);
|
||||
|
||||
/* Enable Zero-IF mode (en_bbin bit), DC cancellation (en_dc_est),
|
||||
* IQ estimation/compensation (en_iq_comp, en_iq_est) */
|
||||
rtlsdr_demod_write_reg(dev, 1, 0xb1, 0x1b, 1);
|
||||
}
|
||||
|
||||
int rtlsdr_set_center_freq(rtlsdr_dev_t *dev, uint32_t freq)
|
||||
{
|
||||
rtlsdr_set_i2c_repeater(dev, 1);
|
||||
|
||||
if (dev->tuner) {
|
||||
dev->tuner->freq = freq;
|
||||
|
||||
double f = (double) freq;
|
||||
|
||||
f *= 1.0 + dev->tuner->corr / 1e6;
|
||||
|
||||
dev->tuner->tune((void *)dev, (int) f);
|
||||
|
||||
printf("Tuned to %i Hz\n", freq);
|
||||
|
||||
}
|
||||
|
||||
rtlsdr_set_i2c_repeater(dev, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int rtlsdr_get_center_freq(rtlsdr_dev_t *dev)
|
||||
{
|
||||
return 0; // TODO: implement
|
||||
}
|
||||
|
||||
int rtlsdr_set_freq_correction(rtlsdr_dev_t *dev, int32_t ppm)
|
||||
{
|
||||
if (dev->tuner) {
|
||||
if (dev->tuner->corr == ppm)
|
||||
return -1;
|
||||
|
||||
dev->tuner->corr = ppm;
|
||||
|
||||
/* retune to apply new correction value */
|
||||
rtlsdr_set_center_freq(dev, dev->tuner->freq);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int32_t rtlsdr_get_freq_correction(rtlsdr_dev_t *dev)
|
||||
{
|
||||
if (dev->tuner)
|
||||
return dev->tuner->corr;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
void rtlsdr_set_sample_rate(rtlsdr_dev_t *dev, uint32_t samp_rate)
|
||||
{
|
||||
uint16_t tmp;
|
||||
uint32_t rsamp_ratio;
|
||||
double real_rate;
|
||||
|
||||
/* check for the maximum rate the resampler supports */
|
||||
if (samp_rate > 3200000)
|
||||
samp_rate = 3200000;
|
||||
|
||||
rsamp_ratio = (CRYSTAL_FREQ * pow(2, 22)) / samp_rate;
|
||||
rsamp_ratio &= ~3;
|
||||
|
||||
real_rate = (CRYSTAL_FREQ * pow(2, 22)) / rsamp_ratio;
|
||||
printf("Setting sample rate: %.3f Hz\n", real_rate);
|
||||
|
||||
if (dev->tuner)
|
||||
dev->tuner->set_bw((void *)dev, real_rate);
|
||||
|
||||
tmp = (rsamp_ratio >> 16);
|
||||
rtlsdr_demod_write_reg(dev, 1, 0x9f, tmp, 2);
|
||||
tmp = rsamp_ratio & 0xffff;
|
||||
rtlsdr_demod_write_reg(dev, 1, 0xa1, tmp, 2);
|
||||
}
|
||||
|
||||
int rtlsdr_get_sample_rate(rtlsdr_dev_t *dev)
|
||||
{
|
||||
return 0; // TODO: implement
|
||||
}
|
||||
|
||||
int rtlsdr_init(void)
|
||||
{
|
||||
return libusb_init(NULL);
|
||||
}
|
||||
|
||||
void rtlsdr_exit(void)
|
||||
{
|
||||
libusb_exit(NULL);
|
||||
}
|
||||
|
||||
uint32_t rtlsdr_get_device_count(void)
|
||||
{
|
||||
int i, j;
|
||||
libusb_device **list;
|
||||
uint32_t device_count;
|
||||
struct libusb_device_descriptor dd;
|
||||
|
||||
ssize_t cnt = libusb_get_device_list(NULL, &list);
|
||||
|
||||
for (i = 0; i < cnt; i++) {
|
||||
libusb_get_device_descriptor(list[i], &dd);
|
||||
|
||||
for (j = 0; j < sizeof(devices)/sizeof(struct rtlsdr_device); j++ ) {
|
||||
if ( devices[j].vid == dd.idVendor && devices[j].pid == dd.idProduct ) {
|
||||
device_count++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
libusb_free_device_list(list, 0);
|
||||
|
||||
return device_count;
|
||||
}
|
||||
|
||||
const char *rtlsdr_get_device_name(uint32_t index)
|
||||
{
|
||||
libusb_device **list;
|
||||
|
||||
ssize_t cnt = libusb_get_device_list(NULL, &list);
|
||||
|
||||
if (index > cnt - 1)
|
||||
return NULL;
|
||||
|
||||
/*libusb_device *device = list[index];*/
|
||||
|
||||
|
||||
|
||||
libusb_free_device_list(list, 0);
|
||||
|
||||
return "TODO: implement";
|
||||
}
|
||||
|
||||
rtlsdr_dev_t *rtlsdr_open(int index)
|
||||
{
|
||||
int r;
|
||||
int i, j;
|
||||
libusb_device **list;
|
||||
rtlsdr_dev_t * dev = NULL;
|
||||
libusb_device *device = NULL;
|
||||
uint32_t device_count = 0;
|
||||
struct libusb_device_descriptor dd;
|
||||
|
||||
dev = malloc(sizeof(rtlsdr_dev_t));
|
||||
memset(dev, 0, sizeof(rtlsdr_dev_t));
|
||||
|
||||
ssize_t cnt = libusb_get_device_list(NULL, &list);
|
||||
|
||||
for (i = 0; i < cnt; i++) {
|
||||
device = list[i];
|
||||
|
||||
libusb_get_device_descriptor(list[i], &dd);
|
||||
|
||||
for (j = 0; j < sizeof(devices)/sizeof(struct rtlsdr_device); j++ ) {
|
||||
if ( devices[j].vid == dd.idVendor && devices[j].pid == dd.idProduct ) {
|
||||
device_count++;
|
||||
|
||||
if (index == device_count - 1)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (index == device_count - 1)
|
||||
break;
|
||||
|
||||
device = NULL;
|
||||
}
|
||||
|
||||
if (!device)
|
||||
goto err;
|
||||
|
||||
r = libusb_open(device, &dev->devh);
|
||||
if (r < 0) {
|
||||
libusb_free_device_list(list, 0);
|
||||
fprintf(stderr, "usb_open error %d\n", r);
|
||||
goto err;
|
||||
}
|
||||
|
||||
libusb_free_device_list(list, 0);
|
||||
|
||||
unsigned char buffer[256];
|
||||
|
||||
libusb_get_string_descriptor_ascii(dev->devh, 0, buffer, sizeof(buffer) );
|
||||
printf("sn#: %s\n", buffer);
|
||||
|
||||
libusb_get_string_descriptor_ascii(dev->devh, 1, buffer, sizeof(buffer) );
|
||||
printf("manufacturer: %s\n", buffer);
|
||||
|
||||
libusb_get_string_descriptor_ascii(dev->devh, 2, buffer, sizeof(buffer) );
|
||||
printf("product: %s\n", buffer);
|
||||
|
||||
r = libusb_claim_interface(dev->devh, 0);
|
||||
if (r < 0) {
|
||||
fprintf(stderr, "usb_claim_interface error %d\n", r);
|
||||
goto err;
|
||||
}
|
||||
|
||||
rtlsdr_init_baseband(dev);
|
||||
|
||||
// TODO: probe the tuner and set dev->tuner member to appropriate tuner object
|
||||
// dev->tuner = &tuners[...];
|
||||
|
||||
return dev;
|
||||
err:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int rtlsdr_close(rtlsdr_dev_t *dev)
|
||||
{
|
||||
libusb_release_interface(dev->devh, 0);
|
||||
|
||||
libusb_close(dev->devh);
|
||||
|
||||
free(dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int rtlsdr_reset_buffer(rtlsdr_dev_t *dev)
|
||||
{
|
||||
return 0; // TODO: implement
|
||||
}
|
||||
|
||||
int rtlsdr_read_sync(rtlsdr_dev_t *dev, void *buf, int len, int *n_read)
|
||||
{
|
||||
return libusb_bulk_transfer(dev->devh, 0x81, buf, len, n_read, 3000);
|
||||
}
|
||||
#if 0
|
||||
int rtlsdr_async_loop(rtlsdr_dev_t *dev, rtlsdr_async_read_cb_t cb, void *ctx)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
|
@ -0,0 +1,73 @@
|
|||
/*
|
||||
* rtl-sdr, a poor man's SDR using a Realtek RTL2832 based DVB-stick
|
||||
* Copyright (C) 2012 by Steve Markgraf <steve@steve-m.de>
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 2 of the License, or
|
||||
*(at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef __RTL_SDR_H
|
||||
#define __RTL_SDR_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
typedef int rtlsdr_dev_t;
|
||||
|
||||
/* must be called once before using any other library functions */
|
||||
int rtlsdr_init(void);
|
||||
|
||||
/* must be called once at application shutdown */
|
||||
void rtlsdr_exit(void);
|
||||
|
||||
uint32_t rtlsdr_get_device_count(void);
|
||||
|
||||
const char *rtlsdr_get_device_name(uint32_t index);
|
||||
|
||||
rtlsdr_dev_t *rtlsdr_open(uint32_t index);
|
||||
|
||||
int rtlsdr_close(rtlsdr_dev_t *dev);
|
||||
|
||||
/* configuration functions */
|
||||
|
||||
int rtlsdr_set_center_freq(rtlsdr_dev_t *dev, uint32_t freq);
|
||||
|
||||
int rtlsdr_get_center_freq(rtlsdr_dev_t *dev);
|
||||
|
||||
int rtlsdr_set_freq_correction(rtlsdr_dev_t *dev, int32_t ppm);
|
||||
|
||||
int32_t rtlsdr_get_freq_correction(rtlsdr_dev_t *dev);
|
||||
|
||||
/* this will select the baseband filters according to the requested sample rate */
|
||||
int rtlsdr_set_sample_rate(rtlsdr_dev_t *dev, uint32_t rate);
|
||||
|
||||
int rtlsdr_get_sample_rate(rtlsdr_dev_t *dev);
|
||||
|
||||
/* streaming functions */
|
||||
|
||||
int rtlsdr_reset_buffer(rtlsdr_dev_t *dev);
|
||||
|
||||
int rtlsdr_read_sync(rtlsdr_dev_t *dev, void *buf, uint32_t len, uint32_t *n_read);
|
||||
|
||||
typedef void(*rtlsdr_async_read_cb_t)(const char *buf, uint32_t len, void *ctx);
|
||||
|
||||
int rtlsdr_async_loop(rtlsdr_dev_t *dev, rtlsdr_async_read_cb_t cb, void *ctx);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __RTL_SDR_H */
|
||||
|
|
@ -25,7 +25,7 @@
|
|||
/* glue functions to rtl-sdr code */
|
||||
int
|
||||
I2CReadByte(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned char NoUse,
|
||||
unsigned char RegAddr,
|
||||
unsigned char *pReadingByte
|
||||
|
|
@ -33,10 +33,10 @@ I2CReadByte(
|
|||
{
|
||||
uint8_t data = RegAddr;
|
||||
|
||||
if (rtl_i2c_write(E4K_I2C_ADDR, &data, 1) < 0)
|
||||
if (rtlsdr_i2c_write((rtlsdr_dev_t *)pTuner, E4K_I2C_ADDR, &data, 1) < 0)
|
||||
return E4000_I2C_FAIL;
|
||||
|
||||
if (rtl_i2c_read(E4K_I2C_ADDR, &data, 1) < 0)
|
||||
if (rtlsdr_i2c_read((rtlsdr_dev_t *)pTuner, E4K_I2C_ADDR, &data, 1) < 0)
|
||||
return E4000_I2C_FAIL;
|
||||
|
||||
*pReadingByte = data;
|
||||
|
|
@ -45,19 +45,18 @@ I2CReadByte(
|
|||
}
|
||||
|
||||
int
|
||||
I2CWriteByte(
|
||||
int pTuner,
|
||||
unsigned char NoUse,
|
||||
unsigned char RegAddr,
|
||||
unsigned char WritingByte
|
||||
)
|
||||
I2CWriteByte(void *pTuner,
|
||||
unsigned char NoUse,
|
||||
unsigned char RegAddr,
|
||||
unsigned char WritingByte
|
||||
)
|
||||
{
|
||||
uint8_t data[2];
|
||||
|
||||
data[0] = RegAddr;
|
||||
data[1] = WritingByte;
|
||||
|
||||
if (rtl_i2c_write(E4K_I2C_ADDR, data, 2) < 0)
|
||||
if (rtlsdr_i2c_write((rtlsdr_dev_t *)pTuner, E4K_I2C_ADDR, data, 2) < 0)
|
||||
return E4000_I2C_FAIL;
|
||||
|
||||
return E4000_I2C_SUCCESS;
|
||||
|
|
@ -65,7 +64,7 @@ I2CWriteByte(
|
|||
|
||||
int
|
||||
I2CWriteArray(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned char NoUse,
|
||||
unsigned char RegStartAddr,
|
||||
unsigned char ByteNum,
|
||||
|
|
@ -80,7 +79,7 @@ I2CWriteArray(
|
|||
for(i = 0; i < ByteNum; i++)
|
||||
WritingBuffer[1 + i] = pWritingBytes[i];
|
||||
|
||||
if (rtl_i2c_write(E4K_I2C_ADDR, WritingBuffer, ByteNum + 1) < 0)
|
||||
if (rtlsdr_i2c_write((rtlsdr_dev_t *)pTuner, E4K_I2C_ADDR, WritingBuffer, ByteNum + 1) < 0)
|
||||
return E4000_I2C_FAIL;
|
||||
|
||||
return E4000_I2C_SUCCESS;
|
||||
|
|
@ -92,9 +91,8 @@ I2CWriteArray(
|
|||
|
||||
*/
|
||||
int
|
||||
e4000_Initialize(
|
||||
int pTuner
|
||||
)
|
||||
e4000_Initialize(void *pTuner
|
||||
)
|
||||
{
|
||||
|
||||
// Initialize tuner.
|
||||
|
|
@ -129,7 +127,7 @@ error_status_execute_function:
|
|||
*/
|
||||
int
|
||||
e4000_SetRfFreqHz(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned long RfFreqHz
|
||||
)
|
||||
{
|
||||
|
|
@ -182,7 +180,7 @@ error_status_execute_function:
|
|||
*/
|
||||
int
|
||||
e4000_SetBandwidthHz(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned long BandwidthHz
|
||||
)
|
||||
{
|
||||
|
|
@ -285,7 +283,7 @@ int GainControlinit();
|
|||
*
|
||||
\****************************************************************************/
|
||||
|
||||
int tunerreset(int pTuner)
|
||||
int tunerreset(void *pTuner)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -332,7 +330,7 @@ int tunerreset(int pTuner)
|
|||
* Function disables the clock - values can be modified to enable if required.
|
||||
\****************************************************************************/
|
||||
|
||||
int Tunerclock(int pTuner)
|
||||
int Tunerclock(void *pTuner)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -364,7 +362,7 @@ int Tunerclock(int pTuner)
|
|||
*
|
||||
\****************************************************************************/
|
||||
/*
|
||||
int filtercal(int pTuner)
|
||||
int filtercal(void *pTuner)
|
||||
{
|
||||
//writearray[0] = 1;
|
||||
//I2CWriteByte (pTuner, 200,123,writearray[0]);
|
||||
|
|
@ -382,7 +380,7 @@ int filtercal(int pTuner)
|
|||
*
|
||||
\****************************************************************************/
|
||||
|
||||
int Qpeak(int pTuner)
|
||||
int Qpeak(void *pTuner)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -431,7 +429,7 @@ int Qpeak(int pTuner)
|
|||
* 0xa3 to 0xa7. Also 0x24.
|
||||
*
|
||||
\****************************************************************************/
|
||||
int E4000_gain_freq(int pTuner, int Freq)
|
||||
int E4000_gain_freq(void *pTuner, int Freq)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -512,7 +510,7 @@ int E4000_gain_freq(int pTuner, int Freq)
|
|||
* Populates DC offset LUT. (Registers 0x2d, 0x70, 0x71).
|
||||
* Turns on DC offset LUT and time varying DC offset.
|
||||
\****************************************************************************/
|
||||
int DCoffloop(int pTuner)
|
||||
int DCoffloop(void *pTuner)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -548,7 +546,7 @@ int DCoffloop(int pTuner)
|
|||
*
|
||||
\****************************************************************************/
|
||||
/*
|
||||
int commonmode(int pTuner)
|
||||
int commonmode(void *pTuner)
|
||||
{
|
||||
//writearray[0] = 0;
|
||||
//I2CWriteByte(Device_address,47,writearray[0]);
|
||||
|
|
@ -571,7 +569,7 @@ int commonmode(int pTuner)
|
|||
* Sensitivity / Linearity mode: manual switch
|
||||
*
|
||||
\****************************************************************************/
|
||||
int GainControlinit(int pTuner)
|
||||
int GainControlinit(void *pTuner)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
unsigned char read1[1];
|
||||
|
|
@ -808,7 +806,7 @@ int GainControlauto();
|
|||
* Sets Gain control to serial interface control.
|
||||
*
|
||||
\****************************************************************************/
|
||||
int Gainmanual(int pTuner)
|
||||
int Gainmanual(void *pTuner)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -845,7 +843,7 @@ int Gainmanual(int pTuner)
|
|||
* Configures E4000 PLL divider & sigma delta. 0x0d,0x09, 0x0a, 0x0b).
|
||||
*
|
||||
\****************************************************************************/
|
||||
int PLL(int pTuner, int Ref_clk, int Freq)
|
||||
int PLL(void *pTuner, int Ref_clk, int Freq)
|
||||
{
|
||||
int VCO_freq;
|
||||
unsigned char writearray[5];
|
||||
|
|
@ -1185,7 +1183,7 @@ int PLL(int pTuner, int Ref_clk, int Freq)
|
|||
*
|
||||
\****************************************************************************/
|
||||
|
||||
int LNAfilter(int pTuner, int Freq)
|
||||
int LNAfilter(void *pTuner, int Freq)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -1334,7 +1332,7 @@ int LNAfilter(int pTuner, int Freq)
|
|||
* The function configures the E4000 IF filter. (Register 0x11,0x12).
|
||||
*
|
||||
\****************************************************************************/
|
||||
int IFfilter(int pTuner, int bandwidth, int Ref_clk)
|
||||
int IFfilter(void *pTuner, int bandwidth, int Ref_clk)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -1524,7 +1522,7 @@ int IFfilter(int pTuner, int bandwidth, int Ref_clk)
|
|||
* Configures the E4000 frequency band. (Registers 0x07, 0x78).
|
||||
*
|
||||
\****************************************************************************/
|
||||
int freqband(int pTuner, int Freq)
|
||||
int freqband(void *pTuner, int Freq)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -1582,7 +1580,7 @@ int freqband(int pTuner, int Freq)
|
|||
* Populates DC offset LUT. (Registers 0x50 - 0x53, 0x60 - 0x63).
|
||||
*
|
||||
\****************************************************************************/
|
||||
int DCoffLUT(int pTuner)
|
||||
int DCoffLUT(void *pTuner)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -1856,7 +1854,7 @@ int DCoffLUT(int pTuner)
|
|||
* Configures gain control mode. (Registers 0x1a)
|
||||
*
|
||||
\****************************************************************************/
|
||||
int GainControlauto(int pTuner)
|
||||
int GainControlauto(void *pTuner)
|
||||
{
|
||||
unsigned char writearray[5];
|
||||
int status;
|
||||
|
|
@ -1902,7 +1900,7 @@ int main()
|
|||
*
|
||||
\****************************************************************************/
|
||||
|
||||
int E4000_sensitivity(int pTuner, int Freq, int bandwidth)
|
||||
int E4000_sensitivity(void *pTuner, int Freq, int bandwidth)
|
||||
{
|
||||
unsigned char writearray[2];
|
||||
int status;
|
||||
|
|
@ -1960,7 +1958,7 @@ int E4000_sensitivity(int pTuner, int Freq, int bandwidth)
|
|||
* The function configures the E4000 for linearity mode.
|
||||
*
|
||||
\****************************************************************************/
|
||||
int E4000_linearity(int pTuner, int Freq, int bandwidth)
|
||||
int E4000_linearity(void *pTuner, int Freq, int bandwidth)
|
||||
{
|
||||
|
||||
unsigned char writearray[2];
|
||||
|
|
@ -2019,7 +2017,7 @@ int E4000_linearity(int pTuner, int Freq, int bandwidth)
|
|||
* The function configures the E4000 for nominal
|
||||
*
|
||||
\****************************************************************************/
|
||||
int E4000_nominal(int pTuner, int Freq, int bandwidth)
|
||||
int E4000_nominal(void *pTuner, int Freq, int bandwidth)
|
||||
{
|
||||
unsigned char writearray[2];
|
||||
int status;
|
||||
|
|
|
|||
|
|
@ -118,52 +118,50 @@ int main(void)
|
|||
|
||||
// Function (implemeted for E4000)
|
||||
int
|
||||
I2CReadByte(
|
||||
int pTuner,
|
||||
unsigned char NoUse,
|
||||
unsigned char RegAddr,
|
||||
unsigned char *pReadingByte
|
||||
);
|
||||
I2CReadByte(void *pTuner,
|
||||
unsigned char NoUse,
|
||||
unsigned char RegAddr,
|
||||
unsigned char *pReadingByte
|
||||
);
|
||||
|
||||
int
|
||||
I2CWriteByte(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned char NoUse,
|
||||
unsigned char RegAddr,
|
||||
unsigned char WritingByte
|
||||
);
|
||||
|
||||
int
|
||||
I2CWriteArray(
|
||||
int pTuner,
|
||||
unsigned char NoUse,
|
||||
unsigned char RegStartAddr,
|
||||
unsigned char ByteNum,
|
||||
unsigned char *pWritingBytes
|
||||
);
|
||||
I2CWriteArray(void *pTuner,
|
||||
unsigned char NoUse,
|
||||
unsigned char RegStartAddr,
|
||||
unsigned char ByteNum,
|
||||
unsigned char *pWritingBytes
|
||||
);
|
||||
|
||||
|
||||
|
||||
// Functions (from E4000 source code)
|
||||
int tunerreset (int pTuner);
|
||||
int Tunerclock(int pTuner);
|
||||
int Qpeak(int pTuner);
|
||||
int DCoffloop(int pTuner);
|
||||
int GainControlinit(int pTuner);
|
||||
int tunerreset (void *pTuner);
|
||||
int Tunerclock(void *pTuner);
|
||||
int Qpeak(void *pTuner);
|
||||
int DCoffloop(void *pTuner);
|
||||
int GainControlinit(void *pTuner);
|
||||
|
||||
int Gainmanual(int pTuner);
|
||||
int E4000_gain_freq(int pTuner, int frequency);
|
||||
int PLL(int pTuner, int Ref_clk, int Freq);
|
||||
int LNAfilter(int pTuner, int Freq);
|
||||
int IFfilter(int pTuner, int bandwidth, int Ref_clk);
|
||||
int freqband(int pTuner, int Freq);
|
||||
int DCoffLUT(int pTuner);
|
||||
int GainControlauto(int pTuner);
|
||||
int Gainmanual(void *pTuner);
|
||||
int E4000_gain_freq(void *pTuner, int frequency);
|
||||
int PLL(void *pTuner, int Ref_clk, int Freq);
|
||||
int LNAfilter(void *pTuner, int Freq);
|
||||
int IFfilter(void *pTuner, int bandwidth, int Ref_clk);
|
||||
int freqband(void *pTuner, int Freq);
|
||||
int DCoffLUT(void *pTuner);
|
||||
int GainControlauto(void *pTuner);
|
||||
|
||||
int E4000_sensitivity(int pTuner, int Freq, int bandwidth);
|
||||
int E4000_linearity(int pTuner, int Freq, int bandwidth);
|
||||
int E4000_high_linearity(int pTuner);
|
||||
int E4000_nominal(int pTuner, int Freq, int bandwidth);
|
||||
int E4000_sensitivity(void *pTuner, int Freq, int bandwidth);
|
||||
int E4000_linearity(void *pTuner, int Freq, int bandwidth);
|
||||
int E4000_high_linearity(void *pTuner);
|
||||
int E4000_nominal(void *pTuner, int Freq, int bandwidth);
|
||||
|
||||
|
||||
// The following context is E4000 tuner API source code
|
||||
|
|
@ -182,30 +180,30 @@ enum E4000_BANDWIDTH_HZ
|
|||
// Manipulaing functions
|
||||
void
|
||||
e4000_GetTunerType(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
int *pTunerType
|
||||
);
|
||||
|
||||
void
|
||||
e4000_GetDeviceAddr(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned char *pDeviceAddr
|
||||
);
|
||||
|
||||
int
|
||||
e4000_Initialize(
|
||||
int pTuner
|
||||
void *pTuner
|
||||
);
|
||||
|
||||
int
|
||||
e4000_SetRfFreqHz(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned long RfFreqHz
|
||||
);
|
||||
|
||||
int
|
||||
e4000_GetRfFreqHz(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned long *pRfFreqHz
|
||||
);
|
||||
|
||||
|
|
@ -216,20 +214,20 @@ e4000_GetRfFreqHz(
|
|||
// Extra manipulaing functions
|
||||
int
|
||||
e4000_GetRegByte(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned char RegAddr,
|
||||
unsigned char *pReadingByte
|
||||
);
|
||||
|
||||
int
|
||||
e4000_SetBandwidthHz(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned long BandwidthHz
|
||||
);
|
||||
|
||||
int
|
||||
e4000_GetBandwidthHz(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned long *pBandwidthHz
|
||||
);
|
||||
|
||||
|
|
|
|||
|
|
@ -7,33 +7,34 @@
|
|||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
#include "i2c.h"
|
||||
#include "tuner_fc0013.h"
|
||||
|
||||
#define CRYSTAL_FREQ 28800000
|
||||
#define FC0013_I2C_ADDR 0xc6
|
||||
|
||||
/* glue functions to rtl-sdr code */
|
||||
int FC0013_Write(int pTuner, unsigned char RegAddr, unsigned char Byte)
|
||||
int FC0013_Write(void *pTuner, unsigned char RegAddr, unsigned char Byte)
|
||||
{
|
||||
uint8_t data[2];
|
||||
|
||||
data[0] = RegAddr;
|
||||
data[1] = Byte;
|
||||
|
||||
if (rtl_i2c_write(FC0013_I2C_ADDR, data, 2) < 0)
|
||||
if (rtlsdr_i2c_write((rtlsdr_dev_t *)pTuner, FC0013_I2C_ADDR, data, 2) < 0)
|
||||
return FC0013_I2C_ERROR;
|
||||
|
||||
return FC0013_I2C_SUCCESS;
|
||||
}
|
||||
|
||||
int FC0013_Read(int pTuner, unsigned char RegAddr, unsigned char *pByte)
|
||||
int FC0013_Read(void *pTuner, unsigned char RegAddr, unsigned char *pByte)
|
||||
{
|
||||
uint8_t data = RegAddr;
|
||||
|
||||
if (rtl_i2c_write(FC0013_I2C_ADDR, &data, 1) < 0)
|
||||
if (rtlsdr_i2c_write((rtlsdr_dev_t *)pTuner, FC0013_I2C_ADDR, &data, 1) < 0)
|
||||
return FC0013_I2C_ERROR;
|
||||
|
||||
if (rtl_i2c_read(FC0013_I2C_ADDR, &data, 1) < 0)
|
||||
if (rtlsdr_i2c_read((rtlsdr_dev_t *)pTuner, FC0013_I2C_ADDR, &data, 1) < 0)
|
||||
return FC0013_I2C_ERROR;
|
||||
|
||||
*pByte = data;
|
||||
|
|
@ -41,7 +42,7 @@ int FC0013_Read(int pTuner, unsigned char RegAddr, unsigned char *pByte)
|
|||
return FC0013_I2C_SUCCESS;
|
||||
}
|
||||
|
||||
int FC0013_SetVhfTrack(int pTuner, unsigned long FrequencyKHz)
|
||||
int FC0013_SetVhfTrack(void *pTuner, unsigned long FrequencyKHz)
|
||||
{
|
||||
unsigned char read_byte;
|
||||
|
||||
|
|
@ -120,9 +121,8 @@ error_status:
|
|||
|
||||
// FC0013 Open Function, includes enable/reset pin control and registers initialization.
|
||||
//void FC0013_Open()
|
||||
int FC0013_Open()
|
||||
int FC0013_Open(void *pTuner)
|
||||
{
|
||||
int pTuner = 1;
|
||||
// Enable FC0013 Power
|
||||
// (...)
|
||||
// FC0013 Enable = High
|
||||
|
|
@ -171,7 +171,7 @@ error_status:
|
|||
}
|
||||
|
||||
|
||||
int FC0013_SetFrequency(unsigned long Frequency, unsigned short Bandwidth)
|
||||
int FC0013_SetFrequency(void *pTuner, unsigned long Frequency, unsigned short Bandwidth)
|
||||
{
|
||||
// bool VCO1 = false;
|
||||
// unsigned int doubleVCO;
|
||||
|
|
@ -186,8 +186,6 @@ int FC0013_SetFrequency(unsigned long Frequency, unsigned short Bandwidth)
|
|||
|
||||
unsigned long CrystalFreqKhz;
|
||||
|
||||
int pTuner =1;
|
||||
|
||||
int CrystalFreqHz = CRYSTAL_FREQ;
|
||||
|
||||
// Get tuner crystal frequency in KHz.
|
||||
|
|
|
|||
|
|
@ -39,12 +39,12 @@ enum FC0013_FUNCTION_STATUS
|
|||
|
||||
|
||||
// Functions
|
||||
int FC0013_Read(int pTuner, unsigned char RegAddr, unsigned char *pByte);
|
||||
int FC0013_Write(int pTuner, unsigned char RegAddr, unsigned char Byte);
|
||||
int FC0013_Read(void *pTuner, unsigned char RegAddr, unsigned char *pByte);
|
||||
int FC0013_Write(void *pTuner, unsigned char RegAddr, unsigned char Byte);
|
||||
|
||||
int
|
||||
fc0013_SetRegMaskBits(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned char RegAddr,
|
||||
unsigned char Msb,
|
||||
unsigned char Lsb,
|
||||
|
|
@ -53,18 +53,18 @@ fc0013_SetRegMaskBits(
|
|||
|
||||
int
|
||||
fc0013_GetRegMaskBits(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned char RegAddr,
|
||||
unsigned char Msb,
|
||||
unsigned char Lsb,
|
||||
unsigned char *pReadingValue
|
||||
);
|
||||
|
||||
int FC0013_Open();
|
||||
int FC0013_SetFrequency(unsigned long Frequency, unsigned short Bandwidth);
|
||||
int FC0013_Open(void *pTuner);
|
||||
int FC0013_SetFrequency(void *pTuner, unsigned long Frequency, unsigned short Bandwidth);
|
||||
|
||||
// Set VHF Track depends on input frequency
|
||||
int FC0013_SetVhfTrack(int pTuner, unsigned long Frequency);
|
||||
int FC0013_SetVhfTrack(void *pTuner, unsigned long Frequency);
|
||||
|
||||
|
||||
// The following context is FC0013 tuner API source code
|
||||
|
|
@ -98,54 +98,54 @@ enum FC0013_LNA_GAIN_VALUE
|
|||
// Manipulaing functions
|
||||
void
|
||||
fc0013_GetTunerType(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
int *pTunerType
|
||||
);
|
||||
|
||||
void
|
||||
fc0013_GetDeviceAddr(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned char *pDeviceAddr
|
||||
);
|
||||
|
||||
int
|
||||
fc0013_Initialize(
|
||||
int pTuner
|
||||
void *pTuner
|
||||
);
|
||||
|
||||
int
|
||||
fc0013_SetRfFreqHz(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned long RfFreqHz
|
||||
);
|
||||
|
||||
int
|
||||
fc0013_GetRfFreqHz(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
unsigned long *pRfFreqHz
|
||||
);
|
||||
|
||||
// Extra manipulaing functions
|
||||
int
|
||||
fc0013_SetBandwidthMode(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
int BandwidthMode
|
||||
);
|
||||
|
||||
int
|
||||
fc0013_GetBandwidthMode(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
int *pBandwidthMode
|
||||
);
|
||||
|
||||
int
|
||||
fc0013_RcCalReset(
|
||||
int pTuner
|
||||
void *pTuner
|
||||
);
|
||||
|
||||
int
|
||||
fc0013_RcCalAdd(
|
||||
int pTuner,
|
||||
void *pTuner,
|
||||
int RcValue
|
||||
);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue