更新硬件SDK

sdk/合宙/air780e/csdk/luatos-soc-2022/project/example_uart/src/example_main.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2022 OpenLuat & AirM2M
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "common_api.h"
+#include "luat_rtos.h"
+#include "luat_debug.h"
+
+#include "luat_uart.h"
+
+// 注意：此处仅支持1和2，不要使用0
+// 因为uart0被sdk内部占用为底层日志口，用来输出bootloader运行过程中的日志，此功能无法关闭；
+// 除此之外，还可以用来作为系统的日志口，usb抓取日志受限于usb枚举时间，会丢失一部分日志，而uart0则不会丢失这部分日志
+// 如果uart0被配置成应用使用，在开机过程中出现的异常，会因为无法抓取底层日志而无法分析定位问题
+#define UART_ID 1
+
+static luat_rtos_task_handle uart_task_handle;
+
+void luat_uart_recv_cb(int uart_id, uint32_t data_len){
+    char* data_buff = malloc(data_len+1);
+    memset(data_buff,0,data_len+1);
+    luat_uart_read(uart_id, data_buff, data_len);
+    LUAT_DEBUG_PRINT("uart_id:%d data:%s data_len:%d",uart_id,data_buff,data_len);
+    free(data_buff);
+}
+
+static void task_test_uart(void *param)
+{
+    char send_buff[] = "hello LUAT!!!\n";
+    luat_uart_t uart = {
+        .id = UART_ID,
+        .baud_rate = 115200,
+        .data_bits = 8,
+        .stop_bits = 1,
+        .parity    = 0
+    };
+
+    luat_uart_setup(&uart);
+
+    luat_uart_ctrl(UART_ID, LUAT_UART_SET_RECV_CALLBACK, luat_uart_recv_cb);
+
+    while (1)
+    {
+        luat_rtos_task_sleep(1000);
+        luat_uart_write(UART_ID, send_buff, strlen(send_buff));
+    }
+    luat_rtos_task_delete(uart_task_handle);
+}
+
+static void task_demo_uart(void)
+{
+    luat_rtos_task_create(&uart_task_handle, 2048, 20, "uart", task_test_uart, NULL, NULL);
+}
+
+// 除非你已经非常清楚uart0作为普通串口给用户使用所带来的的后果，否则不要打开以下注释掉的代码
+// static void uart0_init(void)
+// {
+//     soc_uart0_set_log_off(1);
+// }
+
+// INIT_TASK_EXPORT(uart0_init,"1");
+INIT_TASK_EXPORT(task_demo_uart,"1");
+
+
+