update

app/Core/Src/usart.c

@@ -70,7 +70,7 @@ void MX_USART2_UART_Init(void)
 
   /* USER CODE END USART2_Init 1 */
   huart2.Instance = USART2;
-  huart2.Init.BaudRate = 115200;
+  huart2.Init.BaudRate = 1500000;
   huart2.Init.WordLength = UART_WORDLENGTH_8B;
   huart2.Init.StopBits = UART_STOPBITS_1;
   huart2.Init.Parity = UART_PARITY_NONE;

dep/libiflytop_micro

@@ -1 +1 @@
-Subproject commit 8042a2a995e30ddd2907d1f77059e3dd402d1f7d
+Subproject commit 2fded7932e162857e91605ea7cfcba7a003779d6

src/umain.cpp

@@ -29,11 +29,11 @@ struct ad77681_init_param ADC_default_init_param = {
     /* Configuration */
     .power_mode    = AD77681_FAST,             // power_mode
     .mclk_div      = AD77681_MCLK_DIV_8,       // mclk_div
-    .conv_mode     = AD77681_CONV_CONTINUOUS,    // conv_mode
+    .conv_mode     = AD77681_CONV_CONTINUOUS,  // conv_mode
     .diag_mux_sel  = AD77681_POSITIVE_FS,      // diag_mux_sel
     .conv_diag_sel = false,                    // conv_diag_sel
     .conv_len      = AD77681_CONV_16BIT,       // conv_len
-    .crc_sel       = AD77681_CRC,           // crc_sel
+    .crc_sel       = AD77681_CRC,              // crc_sel
     .status_bit    = 0,                        // status_bit
     .VCM_out       = AD77681_VCM_HALF_VCC,     /* VCM setup*/
     .AINn          = AD77681_AINn_ENABLED,     /* AIN- precharge buffer*/
@@ -73,23 +73,41 @@ void Main::main(int argc, char const *argv[]) {
   HAL_Delay(1000);
   m_ad77681.initialize("ad77681", &m_hardware, &hspi2, &PB12, ADC_default_init_param);
 
-#if 0
-  uint8_t adc_data[6];
-  double  voltage;
+#if 1
+  double voltage;
+
+  static int32_t voicebuf[16 * 100];
+  int            off = 0;
   while (1) {
+    uint8_t adc_data[6]  = {0};
+    uint8_t adc_data2[6] = {0};
     m_ad77681.spi_read_adc_data(adc_data, AD77681_REGISTER_DATA_READ);
     // m_ad77681.data_to_voltage((uint32_t *)adc_data, &voltage);
-    // printf("[ADC DATA]: 0x");
-    // for (int i = 0; i < sizeof(adc_data); i++) {
+    // printf(": 0x");
+    // for (int i = 0; i < 4; i++) {
     //   printf("%02x", adc_data[i]);
     // }
     // printf("\r\n");
-      // printf("{plotter}%d\n", *(int32_t *)adc_data);
-      // printf("{plotter}%f\n", voltage);
+    adc_data2[0] = adc_data[3];
+    adc_data2[1] = adc_data[2];
+    adc_data2[2] = adc_data[1];
+    adc_data2[3] = adc_data[0];
+
+    voicebuf[off++] = *(int32_t *)adc_data2;
+    if (off >= 16 * 100) {
+      break;
+    }
 
-    HAL_Delay(1);
+    // printf("{plotter}%d\n", *(int32_t *)adc_data);
+    // printf("{plotter}%d\n", *(int32_t *)adc_data2);
+    // (1);
+    m_hardware.sleepus(100);
     // HAL_IWDG_Refresh(&hiwdg);
   }
+  for (size_t i = 0; i < off; i++) {
+    printf("{plotter}%d\n", voicebuf[i]);
+  }
+
 #endif
 
   while (true) {