add lorawan demo for evb_lx

add lorawan demo for evb_lx

board/TencentOS_tiny_EVB_LX/eclipse/lorawan/main.c

@@ -0,0 +1,72 @@
+#include "mcu_init.h"
+#include "tos_k.h"
+#include "tos_hal.h"
+
+#define LORA_TASK_SIZE 4096
+
+k_task_t k_task_lora;
+uint8_t k_lora_stk[LORA_TASK_SIZE];
+
+
+void USART0_IRQHandler() {
+    tos_knl_irq_enter();
+    if(RESET != usart_interrupt_flag_get(USART0, USART_INT_FLAG_RBNE)){
+        uint8_t data = usart_data_receive(USART0);
+        printf("%c\n", data);
+    }
+    tos_knl_irq_leave();
+}
+
+void USART1_IRQHandler() {
+    tos_knl_irq_enter();
+    if(RESET != usart_interrupt_flag_get(USART1, USART_INT_FLAG_RBNE)){
+        uint8_t data = usart_data_receive(USART1);
+        tos_at_uart_input_byte(data);
+    }
+    tos_knl_irq_leave();
+}
+
+void USART2_IRQHandler() {
+    tos_knl_irq_enter();
+    if(RESET != usart_interrupt_flag_get(USART2, USART_INT_FLAG_RBNE)){
+        uint8_t data = usart_data_receive(USART2);
+    }
+    tos_knl_irq_leave();
+}
+
+void UART3_IRQHandler() {
+    tos_knl_irq_enter();
+    if(RESET != usart_interrupt_flag_get(UART3, USART_INT_FLAG_RBNE)){
+        uint8_t data = usart_data_receive(UART3);
+        tos_shell_input_byte(data);
+    }
+    tos_knl_irq_leave();
+}
+
+void task_bled(void *pdata)
+{
+    int cnt = 0;
+    while (1) {
+        printf("blink led task cnt: %d\n", cnt++);
+        gpio_bit_write(LED_GPIO_PORT, LED_PIN,cnt % 2 ? SET : RESET);
+        tos_task_delay(1000);
+    }
+}
+
+extern void application_entry(void);
+void task_lora(void *pdata)
+{
+	 application_entry();
+}
+
+
+void main(void) {
+    board_init();
+
+    tos_knl_init();
+
+    tos_task_create(&k_task_lora, "lora", task_lora, NULL, 4, k_lora_stk, LORA_TASK_SIZE, 0);
+
+    tos_knl_start();
+
+}