Added facility to invert the polarity of input UART bits. (#4200)
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@ -184,3 +184,8 @@ HardwareSerial::operator bool() const
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{
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return true;
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}
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void HardwareSerial::setRxInvert(bool invert)
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{
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uartSetRxInvert(_uart, invert);
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}
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@ -101,6 +101,8 @@ public:
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size_t setRxBufferSize(size_t);
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void setDebugOutput(bool);
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void setRxInvert(bool);
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protected:
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int _uart_nr;
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uart_t* _uart;
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@ -266,6 +266,17 @@ size_t uartResizeRxBuffer(uart_t * uart, size_t new_size) {
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return new_size;
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}
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void uartSetRxInvert(uart_t* uart, bool invert)
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{
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if (uart == NULL)
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return;
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if (invert)
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uart->dev->conf0.rxd_inv = 1;
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else
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uart->dev->conf0.rxd_inv = 0;
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}
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uint32_t uartAvailable(uart_t* uart)
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{
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if(uart == NULL || uart->queue == NULL) {
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@ -70,6 +70,8 @@ uint32_t uartGetBaudRate(uart_t* uart);
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size_t uartResizeRxBuffer(uart_t* uart, size_t new_size);
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void uartSetRxInvert(uart_t* uart, bool invert);
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void uartSetDebug(uart_t* uart);
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int uartGetDebug();
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