mirror of https://gerrit.osmocom.org/simtrace2
quad-modem: Add debug console commands for debugging
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e974fbb9e5
commit
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@ -77,6 +77,13 @@ static volatile enum confNum simtrace_config = CFG_NUM_PHONE;
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static volatile enum confNum simtrace_config = CFG_NUM_CCID;
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#endif
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static const Pin pin_hubpwr_override = PIN_PRTPWR_OVERRIDE;
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static const Pin pin_hub_rst = {PIO_PA13, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT};
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static const Pin pin_1234_detect = {PIO_PA14, PIOA, ID_PIOA, PIO_INPUT, PIO_PULLUP};
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static const Pin pin_peer_rst = {PIO_PA0, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
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static const Pin pin_peer_erase = {PIO_PA11, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
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/*----------------------------------------------------------------------------
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* Callbacks
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*----------------------------------------------------------------------------*/
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@ -97,8 +104,15 @@ void USART0_IrqHandler(void)
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config_func_ptrs[simtrace_config].usart0_irq();
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}
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#include "i2c.h"
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static int qmod_sam3_is_12(void)
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{
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if (PIO_Get(&pin_1234_detect) == 0)
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return 1;
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else
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return 0;
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}
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#include "i2c.h"
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static int write_hub_eeprom(void)
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{
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const unsigned char __eeprom_bin[] = {
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@ -127,17 +141,8 @@ static int write_hub_eeprom(void)
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};
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const unsigned int __eeprom_bin_len = 256;
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const Pin pin_hubpwr_override = PIN_PRTPWR_OVERRIDE;
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const Pin pin_hub_rst = {PIO_PA13, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT};
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int i;
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/* set PIN_PRTPWR_OVERRIDE to output-low to avoid the internal
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* pull-up on the input to keep SIMTRACE12 alive */
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PIO_Configure(&pin_hubpwr_override, 1);
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PIO_Configure(&pin_hub_rst, 1);
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i2c_pin_init();
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/* wait */
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volatile int v;
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/* 440ns per cycle here */
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@ -145,6 +150,7 @@ static int write_hub_eeprom(void)
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v = 0;
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}
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TRACE_INFO("Writing EEPROM...\r\n");
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/* write the EEPROM once */
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for (i = 0; i < 256; i++) {
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int rc = eeprom_write_byte(0x50, i, __eeprom_bin[i]);
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@ -154,6 +160,7 @@ static int write_hub_eeprom(void)
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}
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/* then pursue re-reading it again and again */
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TRACE_INFO("Verifying EEPROM...\r\n");
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for (i = 0; i < 256; i++) {
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int byte = eeprom_read_byte(0x50, i);
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TRACE_INFO("0x%02x: %02x\r\n", i, byte);
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@ -169,6 +176,79 @@ static int write_hub_eeprom(void)
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return 0;
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}
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static void check_exec_dbg_cmd(void)
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{
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uint32_t addr, val;
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if (!UART_IsRxReady())
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return;
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int ch = UART_GetChar();
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switch (ch) {
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case '?':
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printf("\t?\thelp\r\n");
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printf("\tE\tprogram EEPROM\r\n");
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printf("\tR\treset SAM3\r\n");
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printf("\tO\tEnable PRTPWR_OVERRIDE\r\n");
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printf("\to\tDisable PRTPWR_OVERRIDE\r\n");
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printf("\tH\tRelease HUB RESET (high)\r\n");
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printf("\th\tAssert HUB RESET (low)\r\n");
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printf("\tw\tWrite single byte in EEPROM\r\n");
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printf("\tr\tRead single byte from EEPROM\r\n");
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printf("\tX\tRelease peer SAM3 from reset\r\n");
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printf("\tx\tAssert peer SAM3 reset\r\n");
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printf("\tY\tRelease peer SAM3 ERASE signal\n");
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printf("\ty\tAssert peer SAM3 ERASE signal\r\n");
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break;
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case 'E':
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write_hub_eeprom();
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break;
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case 'R':
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NVIC_SystemReset();
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break;
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case 'O':
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PIO_Set(&pin_hubpwr_override);
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break;
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case 'o':
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PIO_Clear(&pin_hubpwr_override);
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break;
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case 'H':
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PIO_Clear(&pin_hub_rst);
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break;
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case 'h':
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/* high level drives transistor -> HUB_RESET low */
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PIO_Set(&pin_hub_rst);
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break;
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case 'w':
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if (PIO_GetOutputDataStatus(&pin_hub_rst) == 0)
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printf("WARNING: attempting EEPROM access while HUB not in reset\r\n");
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printf("Please enter EEPROM offset: ");
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UART_GetIntegerMinMax(&addr, 0, 255);
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printf("Please enter EEPROM value: ");
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UART_GetIntegerMinMax(&val, 0, 255);
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printf("Writing value 0x%02x to EEPROM offset 0x%02x\r\n", val, addr);
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eeprom_write_byte(0x50, addr, val);
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break;
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case 'r':
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printf("Please enter EEPROM offset: ");
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UART_GetIntegerMinMax(&addr, 0, 255);
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printf("EEPROM[0x%02x] = 0x%02x\r\n", addr, eeprom_read_byte(0x50, addr));
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break;
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case 'X':
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PIO_Clear(&pin_peer_rst);
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break;
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case 'x':
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PIO_Set(&pin_peer_rst);
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break;
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case 'Y':
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PIO_Clear(&pin_peer_erase);
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break;
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case 'y':
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PIO_Set(&pin_peer_erase);
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break;
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}
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}
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/*------------------------------------------------------------------------------
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* Main
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@ -204,10 +284,28 @@ extern int main(void)
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g_unique_id[0], g_unique_id[1],
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g_unique_id[2], g_unique_id[3]);
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write_hub_eeprom();
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/* set PIN_PRTPWR_OVERRIDE to output-low to avoid the internal
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* pull-up on the input to keep SIMTRACE12 alive */
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PIO_Configure(&pin_hubpwr_override, 1);
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PIO_Configure(&pin_hub_rst, 1);
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PIO_Configure(&pin_1234_detect, 1);
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PIO_Configure(&pin_peer_rst, 1);
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PIO_Configure(&pin_peer_erase, 1);
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i2c_pin_init();
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if (qmod_sam3_is_12()) {
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TRACE_INFO("Detected Quad-Modem ST12\r\n");
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} else {
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TRACE_INFO("Detected Quad-Modem ST34\r\n");
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}
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while (1) {
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check_exec_dbg_cmd();
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}
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TRACE_INFO("USB init...\r\n");
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while (USBD_GetState() < USBD_STATE_CONFIGURED) {
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check_exec_dbg_cmd();
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#if 0
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if (i >= MAX_USB_ITER * 3) {
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TRACE_ERROR("Resetting board (USB could "
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@ -218,6 +316,9 @@ extern int main(void)
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i++;
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}
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TRACE_INFO("Releasing ST12_PRTPWR_OVERRIDE\r\n");
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PIO_Clear(&pin_hubpwr_override);
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TRACE_INFO("calling configure of all configurations...\r\n");
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for (i = 1; i < sizeof(config_func_ptrs) / sizeof(config_func_ptrs[0]);
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++i) {
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@ -236,6 +337,7 @@ extern int main(void)
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putchar('\b');
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putchar(rotor[i++ % ARRAY_SIZE(rotor)]);
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#endif
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check_exec_dbg_cmd();
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if (USBD_GetState() < USBD_STATE_CONFIGURED) {
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