forked from Mirrors/Marlin
@@ -39,12 +39,16 @@ static void spi_init(spi_t *obj, uint32_t speed, spi_mode_e mode, uint8_t msb, u
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void MarlinSPI::setClockDivider(uint8_t _div) {
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_speed = spi_getClkFreq(&_spi);// / _div;
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_clockDivider = _div;
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if (_clockDivider != _div) {
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_clockDivider = _div;
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_mustInit = true;
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}
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}
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void MarlinSPI::begin(void) {
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//TODO: only call spi_init if any parameter changed!!
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if (!_mustInit) return;
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spi_init(&_spi, _speed, _dataMode, _bitOrder, _dataSize);
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_mustInit = false;
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}
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void MarlinSPI::setupDma(SPI_HandleTypeDef &_spiHandle, DMA_HandleTypeDef &_dmaHandle, uint32_t direction, bool minc) {
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@@ -76,15 +76,23 @@ public:
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/* These methods are deprecated and kept for compatibility.
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* Use SPISettings with SPI.beginTransaction() to configure SPI parameters.
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*/
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void setBitOrder(BitOrder _order) { _bitOrder = _order; }
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void setBitOrder(BitOrder order) {
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if (_bitOrder == order) return;
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_bitOrder = order;
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_mustInit = true;
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}
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void setDataMode(uint8_t _mode) {
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switch (_mode) {
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void setDataMode(uint8_t mode) {
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auto previous_mode = _dataMode;
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switch (mode) {
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case SPI_MODE0: _dataMode = SPI_MODE_0; break;
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case SPI_MODE1: _dataMode = SPI_MODE_1; break;
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case SPI_MODE2: _dataMode = SPI_MODE_2; break;
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case SPI_MODE3: _dataMode = SPI_MODE_3; break;
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default: return;
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}
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if (previous_mode != _dataMode)
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_mustInit = true;
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}
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void setClockDivider(uint8_t _div);
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@@ -104,4 +112,5 @@ private:
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pin_t _misoPin;
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pin_t _sckPin;
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pin_t _ssPin;
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bool _mustInit = true;
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};
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