spi: Move spi_ff_buffer into the class
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0b9943973f
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@ -4,8 +4,6 @@
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#include "stm32_dma.h"
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static uint8_t spi_ff_buffer = 0XFF;
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#if defined(MOSI) || defined(MISO) || defined(SCK)
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SPIClass SPI(SPI1, MOSI, MISO, SCK);
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#else
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@ -191,7 +189,7 @@ uint8_t SPIClass::dmaTransfer(uint8_t *transmitBuf, uint8_t *receiveBuf, uint16_
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#endif
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if (!transmitBuf) {
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transmitBuf = &spi_ff_buffer;
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transmitBuf = (uint8_t*)&repeatTransmitData;
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hdma_spi_tx.Init.MemInc = DMA_MINC_DISABLE;
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} else {
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//Need to change the MINC mode since dmaSend with MINC 0 or Null transmitBuf may have been called last
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@ -102,6 +102,9 @@ class SPIClass {
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SPI_HandleTypeDef spiHandle = {};
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uint16_t repeatTransmitData = 0XFFFF;
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private:
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uint32_t apb_freq = 0;
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