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Protocols/PAR8.h
- Committer:
- Geremia
- Date:
- 2015-02-20
- Revision:
- 11:b842b8e332cb
- Parent:
- 7:bb0383b91104
- Child:
- 20:14daa48ffd4c
File content as of revision 11:b842b8e332cb:
#ifndef PAR8_H
#define PAR8_H
#include "mbed.h"
#include "Protocols.h"
//#include "GraphicsDisplay.h"
/** Parallel 8bit interface
*/
class PAR8 : public Protocols
{
public:
/** Create a PAR8 display interface with a GPIO port and 5 control pins
*
* @param port GPIO port to use
* @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
* @param WR pin connected to SDI of display
* @param RD pin connected to RS of display
*/
PAR8(PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD);
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)
*
* @param convert true/false. Convert 18bit to 16bit, some controllers returns 18bit
* @returns 16bit color
*/
virtual unsigned short rd_gram(bool convert);
/** 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
* @returns data as uint
* @note EXTC regs (0xB0 to 0xFF) are read/write registers, for Parallel mode directly accessible in both directions
*/
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);
private:
PortInOut _port;
DigitalOut _CS;
DigitalOut _reset;
DigitalOut _DC;
DigitalOut _WR;
DigitalOut _RD;
};
#endif