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fix serial receive data bug in control framework on xidatong-arm32 board

This commit is contained in:
Liu_Weichao 2023-01-13 15:35:34 +08:00
parent fb11970cab
commit 55654af275
4 changed files with 21 additions and 11 deletions
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16
APP_Framework/Framework/control/ipc_protocol/modbus_uart/modbus_uart.c
View File

@ -107,16 +107,28 @@ static int ModbusUartTransformRecvBuffToData(ModbusUartReadItem *p_read_item, ui
*/ */
static int ModbusUartGetDataBySerial(ModbusUartReadItem *p_read_item) static int ModbusUartGetDataBySerial(ModbusUartReadItem *p_read_item)
{ {
uint32_t read_length = 0; uint32_t cmd_length, read_length = 0;
memset(recv_buff, 0, sizeof(recv_buff)); memset(recv_buff, 0, sizeof(recv_buff));
ModbusUartDataInfo *p_modbus_uart_data_info = &(p_read_item->data_info); ModbusUartDataInfo *p_modbus_uart_data_info = &(p_read_item->data_info);
BasicPlcDataInfo *p_base_data_info = &(p_modbus_uart_data_info->base_data_info); BasicPlcDataInfo *p_base_data_info = &(p_modbus_uart_data_info->base_data_info);
ModbusUartFunctionCode function_code = p_modbus_uart_data_info->function_code;
ControlPrintfList("SEND", p_base_data_info->p_command, p_base_data_info->command_length); ControlPrintfList("SEND", p_base_data_info->p_command, p_base_data_info->command_length);
SerialWrite(p_base_data_info->p_command, p_base_data_info->command_length); SerialWrite(p_base_data_info->p_command, p_base_data_info->command_length);
read_length = SerialRead(recv_buff, sizeof(recv_buff)); if (READ_COIL_STATUS == function_code || READ_INPUT_STATUS == function_code) {
cmd_length = 6;
} else if (READ_HOLDING_REGISTER == function_code || READ_INPUT_REGISTER == function_code) {
cmd_length = 7;
} else if (WRITE_SINGLE_COIL == function_code || WRITE_SINGLE_REGISTER == function_code) {
cmd_length = 8;
} else {
//MULTIPLE_COIL and MULTIPLE_REGISTER to do
cmd_length = 0;
}
read_length = SerialRead(recv_buff, cmd_length);
if (read_length) { if (read_length) {
ControlPrintfList("RECV", recv_buff, read_length); ControlPrintfList("RECV", recv_buff, read_length);
return ModbusUartTransformRecvBuffToData(p_read_item, recv_buff); return ModbusUartTransformRecvBuffToData(p_read_item, recv_buff);

2
APP_Framework/Framework/control/ipc_protocol/modbus_uart/test_recipe_modbus_uart.json
View File

@ -24,7 +24,7 @@
"value_type": 9, "value_type": 9,
"function_code": 3, "function_code": 3,
"start_address": 208, "start_address": 208,
"quantity": 2 "quantity": 1
} }
] ]
} }

10
APP_Framework/Framework/control/shared/control_io.c
View File

@ -162,7 +162,7 @@ void SerialWrite(uint8_t *write_data, int length)
PrivWrite(uart_fd, write_data, length); PrivWrite(uart_fd, write_data, length);
PrivTaskDelay(10); PrivTaskDelay(15);
Set485Input(); Set485Input();
#endif #endif
} }
@ -181,15 +181,11 @@ int SerialRead(uint8_t *read_data, int length)
while (data_size < length) { while (data_size < length) {
data_recv_size = PrivRead(uart_fd, read_data + data_recv_size, length); data_recv_size = PrivRead(uart_fd, read_data + data_recv_size, length);
// for (int i = 0; i < data_recv_size; i ++) {
// printf("idx %d data 0x%x\n", i, recv_data[i + data_size]);
// }
data_size += data_recv_size; data_size += data_recv_size;
} }
//need to wait 25ms , make sure write cmd again and receive data successfully //need to wait 30ms , make sure write cmd again and receive data successfully
PrivTaskDelay(25); PrivTaskDelay(30);
return data_size; return data_size;
#endif #endif

2
Ubiquitous/XiZi_IIoT/resources/serial/dev_serial.c
View File

@ -154,6 +154,8 @@ static inline int SerialDevIntRead(struct SerialHardwareDevice *serial_dev, stru
CriticalAreaUnLock(lock); CriticalAreaUnLock(lock);
MdelayKTask(20);
*read_data = get_char; *read_data = get_char;
read_data++; read_data++;
read_length--; read_length--;