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dc-11 serial: prevent busy loop

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folkert van heusden 2024-05-09 22:51:35 +02:00
parent 6cc093fea2
commit 8d5f109a0c
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 5 additions and 1 deletions
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6
dc11.cpp
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@ -257,6 +257,8 @@ void dc11::set_serial(const int bitrate, const int rx, const int tx)
return; return;
} }
Serial.printf("Tick period: %d\r\n", portTICK_PERIOD_MS);
serial_thread_running = true; serial_thread_running = true;
// Configure UART parameters // Configure UART parameters
@ -291,8 +293,10 @@ void dc11::serial_handler()
size_t n_available = 0; size_t n_available = 0;
ESP_ERROR_CHECK(uart_get_buffered_data_len(ESP32_UART, &n_available)); ESP_ERROR_CHECK(uart_get_buffered_data_len(ESP32_UART, &n_available));
if (n_available == 0) if (n_available == 0) {
vTaskDelay(4 / portTICK_PERIOD_MS);
continue; continue;
}
char c = 0; char c = 0;
if (uart_read_bytes(ESP32_UART, &c, 1, 100) == 0) if (uart_read_bytes(ESP32_UART, &c, 1, 100) == 0)