ads1293 spi通信成功

app/main.c

@@ -19,7 +19,7 @@
 #include "nrf_uarte.h"
 #endif
 
-#if 1
+#if 0
 static void test_tx_timer_cb(void* p_context) {
   static uint32_t data;
   data++;
@@ -313,3 +313,91 @@ void main() {
   znordic_loop();
 }
 #endif
+#if 1
+/*******************************************************************************
+ *                             3导联-ADS1293-测试                              *
+ *******************************************************************************/
+
+static void test_tx_timer_cb(void* p_context) {
+  static uint32_t data;
+  data++;
+  ZLOGI("tim cb %d", data);
+  // ThreeLeadECG_sdcard_connect2_ext_usb_sdcard_driver_ic_reset();
+}
+
+extern uint32_t g_nrf_log_tx_pin;
+APP_TIMER_DEF(m_test_tx_timer);
+
+void main() {
+  APP_SCHED_INIT(APP_TIMER_SCHED_EVENT_DATA_SIZE, 20);
+
+
+  // ThreeLeadECG_sdcard_base_init();
+  znordic_init();
+
+  ThreeLeadECG_ecg_init();
+
+  NRF_LOG_INFO("compile time :%s %d", __TIME__, APP_TIMER_TICKS(100));
+  ZERROR_CHECK(app_timer_create(&m_test_tx_timer, APP_TIMER_MODE_REPEATED, test_tx_timer_cb));
+  ZERROR_CHECK(app_timer_start(m_test_tx_timer, APP_TIMER_TICKS(3000), NULL));
+  znordic_loop();
+}
+#endif
+#if 0
+/*******************************************************************************
+ *                                3导联-led测试                                *
+ *******************************************************************************/
+static void test_tx_timer_cb(void* p_context) {
+  static uint32_t data;
+  data++;
+  ZLOGI("test_tx_timer_cb %d", data);
+
+  ThreeLeadECG_led_green_set_state(data % 2 == 0);
+}
+
+extern uint32_t g_nrf_log_tx_pin;
+APP_TIMER_DEF(m_test_tx_timer);
+
+void main() {
+  APP_SCHED_INIT(APP_TIMER_SCHED_EVENT_DATA_SIZE, 20);
+  znordic_init();
+
+  NRF_LOG_INFO("compile time :%s %d", __TIME__, APP_TIMER_TICKS(100));
+  NRF_LOG_INTERNAL_FLUSH();
+
+  ThreeLeadECG_led_init();
+
+  ZERROR_CHECK(app_timer_create(&m_test_tx_timer, APP_TIMER_MODE_REPEATED, test_tx_timer_cb));
+  ZERROR_CHECK(app_timer_start(m_test_tx_timer, APP_TIMER_TICKS(100), NULL));
+  znordic_loop();
+}
+#endif
+#if 0
+/*******************************************************************************
+ *                                3导联-电池电量测试                                *
+ *******************************************************************************/
+static void test_tx_timer_cb(void* p_context) {
+  static uint32_t data;
+  data++;
+  int16_t mv = ThreeLeadECG_battery_get_adc_val() * 1.0 / 4096 * 3.3 * 1000 / 2.0 * 3;
+  ZLOGI("battery:%d", mv);
+}
+
+extern uint32_t g_nrf_log_tx_pin;
+APP_TIMER_DEF(m_test_tx_timer);
+
+void main() {
+  APP_SCHED_INIT(APP_TIMER_SCHED_EVENT_DATA_SIZE, 20);
+  znordic_init();
+
+  NRF_LOG_INFO("compile time :%s %d", __TIME__, APP_TIMER_TICKS(100));
+  NRF_LOG_INTERNAL_FLUSH();
+
+  ThreeLeadECG_adc_module_init();
+  ThreeLeadECG_battery_init();
+
+  ZERROR_CHECK(app_timer_create(&m_test_tx_timer, APP_TIMER_MODE_REPEATED, test_tx_timer_cb));
+  ZERROR_CHECK(app_timer_start(m_test_tx_timer, APP_TIMER_TICKS(100), NULL));
+  znordic_loop();
+}
+#endif

app/src/basic/ads1293/ads1293.c

@@ -27,7 +27,7 @@ uint8_t ads1293_spi_readreg(ads1293_t* ch, uint8_t addr) {
   txcache[1] = 0;
   uint8_t rxcache[2];
   ch->spi_tx_rx(txcache, rxcache, 2);
-  return txcache[1];
+  return rxcache[1];
 }
 
 void ads1293_spi_autoinc_writereg(ads1293_t* ch, uint8_t addr, uint8_t* data, uint8_t len) {  //

app/src/three_lead/three_lead_board.c

@@ -16,7 +16,7 @@
 
 #define LED_GREEN_PIN 9
 
-#define BATTERY_ADC_PIN     NRF_SAADC_INPUT_AIN2
+#define BATTERY_ADC_PIN     NRF_SAADC_INPUT_AIN0
 #define BATTERY_ADC_CHANNEL 1  // 不重复即可
 
 #define BUTTON_PIN 0
@@ -33,6 +33,12 @@
 #define SDCARD_USBDRIVER_IC_RESET_PIN             28
 #define SDCARD_POWER_CTRL_PIN                     30
 
+#define ADS1293_SPI_SCK_PIN  (32+9)
+#define ADS1293_SPI_MOSI_PIN 15
+#define ADS1293_SPI_MISO_PIN 20
+#define ADS1293_SPI_CS0_PIN  3
+#define ADS1293_SPI_CS1_PIN  29
+
 /*******************************************************************************
  *                                    TOOLS                                    *
  *******************************************************************************/
@@ -355,11 +361,6 @@ void ThreeLeadECG_sdcard_umount() {
 /*******************************************************************************
  *                                    ecg                                      *
  *******************************************************************************/
-#define ADS1293_SPI_MISO_PIN 31
-#define ADS1293_SPI_CS0_PIN  20
-#define ADS1293_SPI_CS1_PIN  20
-#define ADS1293_SPI_SCK_PIN  29
-#define ADS1293_SPI_MOSI_PIN 30
 
 static const nrf_drv_spi_t spi = NRF_DRV_SPI_INSTANCE(0); /**< SPI instance. */
 
@@ -384,11 +385,12 @@ void ThreeLeadECG_ecg_init() {
   spi_config.mosi_pin             = ADS1293_SPI_MOSI_PIN;
   spi_config.sck_pin              = ADS1293_SPI_SCK_PIN;
   spi_config.frequency            = NRF_DRV_SPI_FREQ_1M;
+  spi_config.mode = NRF_DRV_SPI_MODE_3;
   // spi_config.mode =
   ZERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config, NULL, NULL));
 
-  nrf_gpio_cfg_input(ADS1293_SPI_CS0_PIN, NRF_GPIO_PIN_NOPULL);
-  nrf_gpio_cfg_input(ADS1293_SPI_CS1_PIN, NRF_GPIO_PIN_NOPULL);
+  znrf_gpio_cfg_output(ADS1293_SPI_CS0_PIN, NRF_GPIO_PIN_PULLUP);
+  znrf_gpio_cfg_output(ADS1293_SPI_CS1_PIN, NRF_GPIO_PIN_PULLUP);
 
   nrf_gpio_pin_set(ADS1293_SPI_CS0_PIN);
   nrf_gpio_pin_set(ADS1293_SPI_CS1_PIN);