example/modbus_master: fix the assert for uart_set_pin
Closes
@@ -274,14 +274,14 @@ static esp_err_t master_init(void)
// Set UART pin numbers
err = uart_set_pin(MB_PORT_NUM, CONFIG_MB_UART_TXD, CONFIG_MB_UART_RXD,
CONFIG_MB_UART_RTS, UART_PIN_NO_CHANGE);
+ MB_RETURN_ON_FALSE((err == ESP_OK), ESP_ERR_INVALID_STATE, TAG,
+ "mb serial set pin failure, uart_set_pin() returned (0x%x).", (uint32_t)err);
err = mbc_master_start();
MB_RETURN_ON_FALSE((err == ESP_OK), ESP_ERR_INVALID_STATE, TAG,
"mb controller start fail, returns(0x%x).",
(uint32_t)err);
- MB_RETURN_ON_FALSE((err == ESP_OK), ESP_ERR_INVALID_STATE, TAG,
- "mb serial set pin failure, uart_set_pin() returned (0x%x).", (uint32_t)err);
// Set driver mode to Half Duplex
err = uart_set_mode(MB_PORT_NUM, UART_MODE_RS485_HALF_DUPLEX);
MB_RETURN_ON_FALSE((err == ESP_OK), ESP_ERR_INVALID_STATE, TAG,
