添加了串口初始化

.vscode/settings.json

@@ -25,6 +25,12 @@
         "timer_u.h": "c",
         "task.h": "c",
         "string.h": "c",
-        "motor_drive.h": "c"
+        "motor_drive.h": "c",
+        "stdio.h": "c",
+        "stdlib.h": "c",
+        "esp_system.h": "c",
+        "esp_log.h": "c",
+        "ble_uart.h": "c",
+        "uart.h": "c"
     },
 }

main/CMakeLists.txt

@@ -5,6 +5,7 @@ idf_component_register(SRCS #
     "timer_u.c"
     "ble_parse_data.c"
     "motor_drive.c"
+    "ble_uart.c"
     INCLUDE_DIRS #
     "../dep/"
     ".")

main/ble_uart.c

@@ -0,0 +1,27 @@
+#include "ble_uart.h"
+#define buffer_size 1024
+uint8_t data[128];
+int length = 0;
+
+void ble_uart_init(uart_port_t uart_num, int tx_io_num, int rx_io_num) {
+  uart_config_t uart_config = {
+      .baud_rate = 115200,
+      .data_bits = UART_DATA_8_BITS,
+      .parity = UART_PARITY_DISABLE,
+      .stop_bits = UART_STOP_BITS_1,
+      .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
+      .source_clk = UART_SCLK_APB,
+  };
+  ESP_ERROR_CHECK(uart_driver_install(uart_num, buffer_size * 2, 0, 0, NULL, 0));
+
+  ESP_ERROR_CHECK(uart_param_config(uart_num, &uart_config));
+
+  ESP_ERROR_CHECK(uart_set_pin(uart_num, tx_io_num, rx_io_num, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE));
+}
+
+void ble_receive(uart_port_t uart_num) {
+  ESP_ERROR_CHECK(uart_get_buffered_data_len(uart_num, (size_t*)&length));
+  if (length != 0) {
+    length = uart_read_bytes(uart_num, data, length, 100);
+  }
+}

main/ble_uart.h

@@ -0,0 +1,9 @@
+#pragma once
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "driver/uart.h"
+
+void ble_uart_init(uart_port_t uart_num, int tx_io_num, int rx_io_num);
+void ble_receive(uart_port_t uart_num);

main/main.c

@@ -8,6 +8,7 @@
 #include "string.h"
 //
 #include "ble_spp_server_demo.h"
+#include "ble_uart.h"
 #include "motor_drive.h"
 #include "timer_u.h"
 
@@ -51,7 +52,9 @@ void app_main(void) {
   constructor_bluetooth_processer(&s_bluetooth_processer);
   ble_spp_server_demo_app_main(&s_bluetooth_processer);
   timer_group_init(TIMER_GROUP_0, TIMER_0, false, timer_group0_interval_num, timer_interval_ms);
-  motor_drive_uart_init();
+  // motor_drive_uart_init();
+  // ble_uart_init(UART_NUM_2, 4, 5);
+  // char* test_str = "This is a test string.\n";
 
   while (true) {
     bluetooth_gatts_try_process_data();
@@ -64,6 +67,10 @@ void app_main(void) {
       ESP_LOGI("test", "info log ok\n");
       s_bluetooth_processer.motor_drive_turn_flag = false;
     }
+
+    // uart_write_bytes(UART_NUM_2, (const char*)test_str, strlen(test_str));
+    // ets_delay_us(1000000);
+    // ble_receive(UART_NUM_2);
   }
 
   return;