Software to turn the RTL2832U into a SDR receiver
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1.2 KiB

#ifndef _REG_FIELD_H
#define _REG_FIELD_H
#include <stdint.h>
#include <stdarg.h>
enum cmd_op {
CMD_OP_GET = (1 << 0),
CMD_OP_SET = (1 << 1),
CMD_OP_EXEC = (1 << 2),
enum pstate {
struct strbuf {
uint8_t idx;
char buf[32];
struct cmd_state {
struct strbuf cmd;
struct strbuf arg;
enum pstate state;
void (*out)(const char *format, va_list ap);
struct cmd {
const char *cmd;
uint32_t ops;
int (*cb)(struct cmd_state *cs, enum cmd_op op, const char *cmd,
int argc, char **argv);
const char *help;
/* structure describing a field in a register */
struct reg_field {
uint8_t reg;
uint8_t shift;
uint8_t width;
struct reg_field_ops {
const struct reg_field *fields;
const char **field_names;
uint32_t num_fields;
void *data;
int (*write_cb)(void *data, uint32_t reg, uint32_t val);
uint32_t (*read_cb)(void *data, uint32_t reg);
uint32_t reg_field_read(struct reg_field_ops *ops, struct reg_field *field);
int reg_field_write(struct reg_field_ops *ops, struct reg_field *field, uint32_t val);
int reg_field_cmd(struct cmd_state *cs, enum cmd_op op,
const char *cmd, int argc, char **argv,
struct reg_field_ops *ops);