TuxMonkey/bf_original_balance_chassis
1
0
Fork 0
mirror of https://gitee.com/dlmu-cone/bf_original_balance_chassis synced 2026-07-24 11:37:45 +08:00
Code Issues Packages Projects Releases Wiki Activity

修改了bsp_usart的初始化方式,防止出现变包长数据读取一场的问题.增加了注释.

Browse Source
This commit is contained in:
NeoZeng
2022-11-19 16:28:39 +08:00
parent 269b08f701
commit e3137d867f
8 changed files with 85 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
bsp/bsp_usart.c
View File

@@ -67,8 +67,7 @@ void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
if (huart == instance[i]->usart_handle)
{
instance[i]->module_callback();
memset(instance[i]->recv_buff,0,instance[i]->recv_buff_size);
memset(instance[i]->recv_buff,0,instance[i]->recv_buff_size); // 接收结束后清空buffer,对于变长数据是必要的
HAL_UARTEx_ReceiveToIdle_DMA(instance[i]->usart_handle, instance[i]->recv_buff, instance[i]->recv_buff_size);
__HAL_DMA_DISABLE_IT(instance[i]->usart_handle->hdmarx, DMA_IT_HT);
break;

1
bsp/bsp_usart.h
View File

@@ -13,6 +13,7 @@ typedef void (*usart_module_callback)();
/* usart_instance struct,each app would have one instance */
typedef struct
{
// 更新:弃用malloc方案,使用了固定大小的数组方便debug时查看
uint8_t recv_buff[USART_RXBUFF_LIMIT]; // 预先定义的最大buff大小,如果太小请修改USART_RXBUFF_LIMIT
uint8_t recv_buff_size; // 模块接收一包数据的大小
UART_HandleTypeDef *usart_handle; // 实例对应的usart_handle