[ab32vg1] 修复NULL和uint8报错

bsp/bluetrum/libraries/hal_drivers/drv_common.c

@@ -19,27 +19,27 @@ void uart1_irq_process(void);
 RT_SECTION(".irq.uart")
 void uart0_irq_post(void)
 {
-    uint8_t mq_msg = MSG_UART0_IRQ;
+    rt_uint8_t mq_msg = MSG_UART0_IRQ;
     rt_mq_send(drv_mq, &mq_msg, 1);
 }
 
 RT_SECTION(".irq.uart")
 void uart1_irq_post(void)
 {
-    uint8_t mq_msg = MSG_UART1_IRQ;
+    rt_uint8_t mq_msg = MSG_UART1_IRQ;
     rt_mq_send(drv_mq, &mq_msg, 1);
 }
 
 RT_SECTION(".irq.uart")
 void uart2_irq_post(void)
 {
-    uint8_t mq_msg = MSG_UART2_IRQ;
+    rt_uint8_t mq_msg = MSG_UART2_IRQ;
     rt_mq_send(drv_mq, &mq_msg, 1);
 }
 
 static void drv_thread_entry(void *parameter)
 {
-    uint8_t mq_msg = 0;
+    rt_uint8_t mq_msg = 0;
     while (1) {
         rt_mq_recv(drv_mq, &mq_msg, 1, RT_WAITING_FOREVER);
         switch (mq_msg) {

bsp/bluetrum/libraries/hal_drivers/drv_usart.c

@@ -324,7 +324,7 @@ int rt_hw_usart_init(void)
                                        | RT_DEVICE_FLAG_INT_RX
                                        | RT_DEVICE_FLAG_INT_TX
                                        | uart_obj[i].uart_dma_flag
-                                       , NULL);
+                                       , RT_NULL);
         RT_ASSERT(result == RT_EOK);
     }