Update ESP-IDF examples

examples/espidf-peripherals-uart/platformio.ini

@@ -7,23 +7,16 @@
 ; Please visit documentation for the other options and examples
 ; http://docs.platformio.org/page/projectconf.html
 
-[env:nano32]
+[env]
 platform = espressif32
 framework = espidf
-board = nano32
-build_flags = -DCONFIG_WIFI_SSID=\"ESP_AP\" -DCONFIG_WIFI_PASSWORD=\"MYPASS\"
 monitor_speed = 115200
 
-[env:espea32]
-platform = espressif32
-framework = espidf
-board = espea32
-build_flags = -DCONFIG_WIFI_SSID=\"ESP_AP\" -DCONFIG_WIFI_PASSWORD=\"MYPASS\"
-monitor_speed = 115200
+[env:pocket_32]
+board = pocket_32
 
-[env:esp32dev]
-platform = espressif32
-framework = espidf
-board = esp32dev
-build_flags = -DCONFIG_WIFI_SSID=\"ESP_AP\" -DCONFIG_WIFI_PASSWORD=\"MYPASS\"
-monitor_speed = 115200
+[env:odroid_esp32]
+board = odroid_esp32
+
+[env:featheresp32]
+board = featheresp32

examples/espidf-peripherals-uart/src/uart_echo_example_main.c

@@ -31,7 +31,7 @@
 
 #define BUF_SIZE (1024)
 
-static void echo_task()
+static void echo_task(void *arg)
 {
     /* Configure parameters of an UART driver,
      * communication pins and install the driver */
@@ -40,11 +40,12 @@ static void echo_task()
         .data_bits = UART_DATA_8_BITS,
         .parity    = UART_PARITY_DISABLE,
         .stop_bits = UART_STOP_BITS_1,
-        .flow_ctrl = UART_HW_FLOWCTRL_DISABLE
+        .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
+        .source_clk = UART_SCLK_APB,
     };
+    uart_driver_install(UART_NUM_1, BUF_SIZE * 2, 0, 0, NULL, 0);
     uart_param_config(UART_NUM_1, &uart_config);
     uart_set_pin(UART_NUM_1, ECHO_TEST_TXD, ECHO_TEST_RXD, ECHO_TEST_RTS, ECHO_TEST_CTS);
-    uart_driver_install(UART_NUM_1, BUF_SIZE * 2, 0, 0, NULL, 0);
 
     // Configure a temporary buffer for the incoming data
     uint8_t *data = (uint8_t *) malloc(BUF_SIZE);
@@ -57,7 +58,7 @@ static void echo_task()
     }
 }
 
-void app_main()
+void app_main(void)
 {
     xTaskCreate(echo_task, "uart_echo_task", 1024, NULL, 10, NULL);
 }