Added SPI burst mode to spi 8 bit.
Dependents: Bicycl_Computer_NUCLEO-F411RE Bicycl_Computer_NUCLEO-L476RG
Fork of UniGraphic by
Added SPI burst mode to this graphics driver. If whoever wants this rolled in to repository let me know. I replaced _spi.write(); with fastWrite(); and clearRX();
SPI8.cpp
// need to re-create SPI firmware to access SPI handle static SPI_HandleTypeDef SpiHandle; void SPI8::fastWrite(int data) { SpiHandle.Instance = SPI1; // Check if data is transmitted while ((SpiHandle.Instance->SR & SPI_SR_TXE) == 0); SpiHandle.Instance->DR = data; } void SPI8::clearRX( void ) { SpiHandle.Instance = SPI1; //Check if the RX buffer is busy //While busy, keep checking while (SpiHandle.Instance->SR & SPI_SR_BSY){ // Check RX buffer readable while ((SpiHandle.Instance->SR & SPI_SR_RXNE) == 0); int dummy = SpiHandle.Instance->DR; } }
Diff: Protocols/PAR8.h
- Revision:
- 6:8356d48a07db
- Parent:
- 5:b222a9461d6b
- Child:
- 7:bb0383b91104
diff -r b222a9461d6b -r 8356d48a07db Protocols/PAR8.h --- a/Protocols/PAR8.h Mon Feb 16 00:52:24 2015 +0000 +++ b/Protocols/PAR8.h Mon Feb 16 01:18:29 2015 +0000 @@ -5,6 +5,8 @@ #include "Protocols.h" //#include "GraphicsDisplay.h" +/** Parallel 8bit interface +*/ class PAR8 : public Protocols { public: