1、【修改】RTT的GPIO设备的配置。解决了FreeModbus主机串口与RTT的GPIO冲突的问题。

Signed-off-by: armink <armink.ztl@gmail.com>

Author: armink

BSP/src/gpio.c

@@ -30,7 +30,7 @@ struct pin_index
 static const struct pin_index pins[] =
 {
     { 0, RCC_APB2Periph_GPIOA, GPIOA, GPIO_Pin_1},
-    { 1, RCC_APB2Periph_GPIOA, GPIOA, GPIO_Pin_2},
+    { 1, RCC_APB2Periph_GPIOB, GPIOB, GPIO_Pin_1},
 };
 
 #define ITEM_NUM(items) sizeof(items)/sizeof(items[0])

BSP/src/usart.c

@@ -386,8 +386,8 @@ void stm32_hw_usart_init(void)
 
 #if defined(RT_USING_UART2)
     uart = &uart2;
-
     config.baud_rate = BAUD_RATE_115200;
+
     serial2.ops    = &stm32_uart_ops;
     serial2.config = config;
 

FreeModbus/port/rtt/portserial_m.c

@@ -36,7 +36,7 @@ static rt_uint8_t serial_soft_trans_irq_stack[512];
 static struct rt_thread thread_serial_soft_trans_irq;
 /* serial event */
 static struct rt_event event_serial;
-/* modbus slave serial device */
+/* modbus master serial device */
 static rt_serial_t *serial;
 
 /* ----------------------- Defines ------------------------------------------*/
@@ -109,14 +109,14 @@ BOOL xMBMasterPortSerialInit(UCHAR ucPORT, ULONG ulBaudRate, UCHAR ucDataBits,
 
     /* software initialize */
     rt_thread_init(&thread_serial_soft_trans_irq,
-                   "slave trans",
+                   "master trans",
                    serial_soft_trans_irq,
                    RT_NULL,
                    serial_soft_trans_irq_stack,
                    sizeof(serial_soft_trans_irq_stack),
                    10, 5);
     rt_thread_startup(&thread_serial_soft_trans_irq);
-    rt_event_init(&event_serial, "slave event", RT_IPC_FLAG_PRIO);
+    rt_event_init(&event_serial, "master event", RT_IPC_FLAG_PRIO);
 
     return TRUE;
 }