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Adds HardwareSerial::setTxBufferSize() (#6383)

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* Adds HardwareSerial::setTxBufferSize()

* uartBegin def fix

* checks TXBufferSize  as defined in IDF

Makes sure that the buffer size will not cause a reset to the board.

* Removes double value in Rx/Tx Buffer Size 

Keeps Rx/Tx buffer size as set, not doubling it. It makes the process more clear.

Co-authored-by: Rodrigo Garcia <rodrigo.garcia@espressif.com>
This commit is contained in:
Gonzalo Brusco
2022-03-28 05:37:12 -03:00
committed by GitHub
parent 8fe0efe8c0
commit 77e95311e0
4 changed files with 26 additions and 7 deletions
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4
cores/esp32/esp32-hal-uart.c
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@ -130,7 +130,7 @@ void uartSetHwFlowCtrlMode(uart_t *uart, uint8_t mode, uint8_t threshold) {
}
uart_t* uartBegin(uint8_t uart_nr, uint32_t baudrate, uint32_t config, int8_t rxPin, int8_t txPin, uint16_t queueLen, bool inverted, uint8_t rxfifo_full_thrhd)
uart_t* uartBegin(uint8_t uart_nr, uint32_t baudrate, uint32_t config, int8_t rxPin, int8_t txPin, uint16_t rx_buffer_size, uint16_t tx_buffer_size, bool inverted, uint8_t rxfifo_full_thrhd)
{
if(uart_nr >= SOC_UART_NUM) {
return NULL;
@ -163,7 +163,7 @@ uart_t* uartBegin(uint8_t uart_nr, uint32_t baudrate, uint32_t config, int8_t rx
uart_config.source_clk = UART_SCLK_APB;
ESP_ERROR_CHECK(uart_driver_install(uart_nr, 2*queueLen, 0, 20, &(uart->uart_event_queue), 0));
ESP_ERROR_CHECK(uart_driver_install(uart_nr, rx_buffer_size, tx_buffer_size, 20, &(uart->uart_event_queue), 0));
ESP_ERROR_CHECK(uart_param_config(uart_nr, &uart_config));
ESP_ERROR_CHECK(uart_set_pin(uart_nr, txPin, rxPin, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE));