Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.
Dependents: testUniGraphic_150217 maze_TFT_MMA8451Q TFT_test_frdm-kl25z TFT_test_NUCLEO-F411RE ... more
Protocols/SPI8.h
- Committer:
- Geremia
- Date:
- 2015-02-17
- Revision:
- 7:bb0383b91104
- Parent:
- 6:8356d48a07db
- Child:
- 11:b842b8e332cb
File content as of revision 7:bb0383b91104:
#ifndef SPI8_H #define SPI8_H #include "mbed.h" #include "Protocols.h" //#include "GraphicsDisplay.h" /** SPI 8bit interface */ class SPI8 : 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 */ SPI8(int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC); protected: /** Send 8bit command to display controller * * @param cmd: byte to send * */ virtual void wr_cmd8(unsigned char cmd); /** Send 8bit data to display controller * * @param data: byte to send * */ virtual void wr_data8(unsigned char data); /** Send 2x8bit command to display controller * * @param cmd: halfword to send */ virtual void wr_cmd16(unsigned short cmd); /** Send 2x8bit data to display controller * * @param data: halfword to send * */ virtual void wr_data16(unsigned short data); /** Send 16bit pixeldata to display controller * * @param data: halfword to send * */ virtual void wr_gram(unsigned short data); /** Send same 16bit pixeldata to display controller multiple times * * @param data: halfword to send * @param count: how many * */ virtual void wr_gram(unsigned short data, unsigned int count); /** Send array of pixeldata shorts to display controller * * @param data: unsigned short pixeldata array * @param lenght: lenght (in shorts) * */ virtual void wr_grambuf(unsigned short* data, unsigned int lenght); /** Read 16bit pixeldata from display controller (with dummy cycle) * * @returns 16bit color */ virtual unsigned short rd_gram(); /** Read 4x8bit register data (with dummy cycle) * @param reg the register to read * @returns data as uint * */ virtual unsigned int rd_reg_data32(unsigned char reg); /** Read 3x8bit ExtendedCommands register data * @param reg the register to read * @param SPIreadenablecmd vendor/device specific cmd to read EXTC registers * @returns data as uint * @note EXTC regs (0xB0 to 0xFF) are read/write registers but needs special cmd to be read in SPI mode */ virtual unsigned int rd_extcreg_data32(unsigned char reg, unsigned char SPIreadenablecmd); /** 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