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Diff: Protocols/SPI16.h
- Revision:
- 1:ff019d22b275
- Child:
- 4:12ba0ecc2c1f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Protocols/SPI16.h Fri Feb 13 15:25:10 2015 +0000 @@ -0,0 +1,107 @@ +#ifndef SPI16_H +#define SPI16_H + +#include "mbed.h" +#include "Protocols.h" +//#include "GraphicsDisplay.h" + +class SPI16 : public Protocols +{ + public: + + /** Create an SPI 8bit display interface with 3 control pins + * + * @param SPI mosi + * @param SPI miso + * @param SPI sclk + * @param CS pin connected to CS of display + * @param reset pin connected to RESET of display + * @param DC pin connected to data/command of display + */ + SPI16(int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC); + +protected: + + /** Send 8bit command to display controller + * + * @note switches spi format 16->8->16, better use wr_cmd16 with NOP in front + * @param cmd: byte to send + * + */ + virtual void wr_cmd8(unsigned char cmd); + + /** Send 8bit data to display controller + * + * @note switches spi format 16->8->16, better use wr_data16 with repeated byte (if does not hurt) + * @param data: byte to send + * + */ + virtual void wr_data8(unsigned char data); + + /** Send same 8bit data to display controller multiple times + * + * @note switches spi format 16->8->16, better use wr_data16 + * @param data: byte to send + * @param count: how many + * + */ + virtual void wr_data8(unsigned char data, unsigned int count); + + /** Send array of data bytes to display controller + * + * @note switches spi format 16->8->16, better use wr_data16 + * @param data: unsigned char data array + * @param lenght: lenght of array + * + */ + virtual void wr_data8buf(unsigned char* data, unsigned int lenght); + + /** Send 16bit command to display controller + * + * @param cmd: halfword to send + * + */ + virtual void wr_cmd16(unsigned short cmd); + + /** Send 16bit data to display controller + * + * @param data: halfword to send + * + */ + virtual void wr_data16(unsigned short data); + + /** Send same 16bit data to display controller multiple times + * + * @param data: halfword to send + * @param count: how many + * + */ + virtual void wr_data16(unsigned short data, unsigned int count); + + /** Send array of data shorts to display controller + * + * @param data: unsigned short data array + * @param lenght: lenght (in shorts) + * + */ + virtual void wr_data16buf(unsigned short* data, unsigned int lenght); + + /** HW reset sequence (without display init commands) + */ + virtual void hw_reset(); + + /** Set ChipSelect high or low + * @param enable 0/1 + */ + virtual void BusEnable(bool enable); + + DigitalOut _CS; + +private: + + SPI _spi; + DigitalOut _reset; + DigitalOut _DC; + +}; +#endif \ No newline at end of file