GraphicsDisplay / UniGraphic

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/PAR16.h@34:c66986d80f72, 2022-01-25 (annotated)

Committer:
Geremia
Date:
Tue Jan 25 17:57:55 2022 +0000
Revision:
34:c66986d80f72
Parent:
27:acb2594b8aa4 
align attribute fixed to gcc style, updated to OS6 then got bored

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Geremia 4:12ba0ecc2c1f 1 #ifndef PAR16_H
Geremia 4:12ba0ecc2c1f 2 #define PAR16_H
Geremia 4:12ba0ecc2c1f 3
Geremia 4:12ba0ecc2c1f 4 #include "mbed.h"
Geremia 4:12ba0ecc2c1f 5 #include "Protocols.h"
dreschpe 27:acb2594b8aa4 6
dreschpe 27:acb2594b8aa4 7 #if DEVICE_PORTINOUT
dreschpe 27:acb2594b8aa4 8
Geremia 4:12ba0ecc2c1f 9 //#include "GraphicsDisplay.h"
Geremia 4:12ba0ecc2c1f 10
Geremia 6:8356d48a07db 11 /** Parallel 16bit interface
Geremia 6:8356d48a07db 12 */
Geremia 4:12ba0ecc2c1f 13 class PAR16 : public Protocols
Geremia 4:12ba0ecc2c1f 14 {
Geremia 4:12ba0ecc2c1f 15 public:
Geremia 4:12ba0ecc2c1f 16
Geremia 4:12ba0ecc2c1f 17 /** Create a PAR16 display interface with a GPIO port and 5 control pins
Geremia 4:12ba0ecc2c1f 18 *
Geremia 4:12ba0ecc2c1f 19 * @param port GPIO port to use
Geremia 4:12ba0ecc2c1f 20 * @param CS pin connected to CS of display
Geremia 4:12ba0ecc2c1f 21 * @param reset pin connected to RESET of display
Geremia 4:12ba0ecc2c1f 22 * @param DC pin connected to data/command of display
Geremia 4:12ba0ecc2c1f 23 * @param WR pin connected to SDI of display
Geremia 4:12ba0ecc2c1f 24 * @param RD pin connected to RS of display
Geremia 4:12ba0ecc2c1f 25 */
Geremia 4:12ba0ecc2c1f 26 PAR16(PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD);
Geremia 4:12ba0ecc2c1f 27
Geremia 4:12ba0ecc2c1f 28 protected:
Geremia 4:12ba0ecc2c1f 29
Geremia 4:12ba0ecc2c1f 30 /** Send 8bit command to display controller
Geremia 4:12ba0ecc2c1f 31 *
Geremia 4:12ba0ecc2c1f 32 * @param cmd: byte to send
Geremia 4:12ba0ecc2c1f 33 *
Geremia 4:12ba0ecc2c1f 34 */
Geremia 4:12ba0ecc2c1f 35 virtual void wr_cmd8(unsigned char cmd);
Geremia 4:12ba0ecc2c1f 36
Geremia 4:12ba0ecc2c1f 37 /** Send 8bit data to display controller
Geremia 4:12ba0ecc2c1f 38 *
Geremia 4:12ba0ecc2c1f 39 * @param data: byte to send
Geremia 4:12ba0ecc2c1f 40 *
Geremia 4:12ba0ecc2c1f 41 */
Geremia 4:12ba0ecc2c1f 42 virtual void wr_data8(unsigned char data);
Geremia 4:12ba0ecc2c1f 43
Geremia 4:12ba0ecc2c1f 44 /** Send 2x8bit command to display controller
Geremia 4:12ba0ecc2c1f 45 *
Geremia 4:12ba0ecc2c1f 46 * @param cmd: halfword to send
Geremia 4:12ba0ecc2c1f 47 * @note 2cycles using pins[7:0]
Geremia 4:12ba0ecc2c1f 48 */
Geremia 4:12ba0ecc2c1f 49 virtual void wr_cmd16(unsigned short cmd);
Geremia 4:12ba0ecc2c1f 50
Geremia 4:12ba0ecc2c1f 51 /** Send 2x8bit data to display controller
Geremia 4:12ba0ecc2c1f 52 *
Geremia 4:12ba0ecc2c1f 53 * @param data: halfword to send
Geremia 4:12ba0ecc2c1f 54 * @note 2cycles using pins[7:0], only gram write cmd uses pins[15:8]
Geremia 4:12ba0ecc2c1f 55 */
Geremia 4:12ba0ecc2c1f 56 virtual void wr_data16(unsigned short data);
Geremia 4:12ba0ecc2c1f 57
Geremia 4:12ba0ecc2c1f 58 /** Send 16bit pixeldata to display controller
Geremia 4:12ba0ecc2c1f 59 *
Geremia 4:12ba0ecc2c1f 60 * @param data: halfword to send
Geremia 4:12ba0ecc2c1f 61 * @note here using all pins[15:0]
Geremia 4:12ba0ecc2c1f 62 */
Geremia 4:12ba0ecc2c1f 63 virtual void wr_gram(unsigned short data);
Geremia 4:12ba0ecc2c1f 64
Geremia 4:12ba0ecc2c1f 65 /** Send same 16bit pixeldata to display controller multiple times
Geremia 4:12ba0ecc2c1f 66 *
Geremia 4:12ba0ecc2c1f 67 * @param data: halfword to send
Geremia 4:12ba0ecc2c1f 68 * @param count: how many
Geremia 4:12ba0ecc2c1f 69 * @note here using all pins[15:0]
Geremia 4:12ba0ecc2c1f 70 */
Geremia 4:12ba0ecc2c1f 71 virtual void wr_gram(unsigned short data, unsigned int count);
Geremia 4:12ba0ecc2c1f 72
Geremia 4:12ba0ecc2c1f 73 /** Send array of pixeldata shorts to display controller
Geremia 4:12ba0ecc2c1f 74 *
Geremia 4:12ba0ecc2c1f 75 * @param data: unsigned short pixeldata array
Geremia 4:12ba0ecc2c1f 76 * @param lenght: lenght (in shorts)
Geremia 4:12ba0ecc2c1f 77 * @note here using all pins[15:0]
Geremia 4:12ba0ecc2c1f 78 */
Geremia 4:12ba0ecc2c1f 79 virtual void wr_grambuf(unsigned short* data, unsigned int lenght);
Geremia 4:12ba0ecc2c1f 80
Geremia 5:b222a9461d6b 81 /** Read 16bit pixeldata from display controller (with dummy cycle)
Geremia 5:b222a9461d6b 82 *
Geremia 11:b842b8e332cb 83 * @param convert true/false. Convert 18bit to 16bit, some controllers returns 18bit
Geremia 5:b222a9461d6b 84 * @returns 16bit color
Geremia 5:b222a9461d6b 85 */
Geremia 11:b842b8e332cb 86 virtual unsigned short rd_gram(bool convert);
Geremia 5:b222a9461d6b 87
Geremia 7:bb0383b91104 88 /** Read 4x8bit register data (with dummy cycle)
Geremia 7:bb0383b91104 89 * @param reg the register to read
Geremia 7:bb0383b91104 90 * @returns data as uint
Geremia 7:bb0383b91104 91 *
Geremia 7:bb0383b91104 92 */
Geremia 7:bb0383b91104 93 virtual unsigned int rd_reg_data32(unsigned char reg);
Geremia 7:bb0383b91104 94
Geremia 7:bb0383b91104 95 /** Read 3x8bit ExtendedCommands register data
Geremia 7:bb0383b91104 96 * @param reg the register to read
Geremia 7:bb0383b91104 97 * @returns data as uint
Geremia 7:bb0383b91104 98 * @note EXTC regs (0xB0 to 0xFF) are read/write registers, for Parallel mode directly accessible in both directions
Geremia 7:bb0383b91104 99 */
Geremia 7:bb0383b91104 100 virtual unsigned int rd_extcreg_data32(unsigned char reg, unsigned char SPIreadenablecmd);
Geremia 7:bb0383b91104 101
Geremia 20:14daa48ffd4c 102 /** ILI932x specific, does a dummy read cycle, number of bits is protocol dependent
Geremia 20:14daa48ffd4c 103 * for PAR protocols: a signle RD bit toggle
Geremia 20:14daa48ffd4c 104 * for SPI8: 8clocks
Geremia 20:14daa48ffd4c 105 * for SPI16: 16 clocks
Geremia 20:14daa48ffd4c 106 */
Geremia 20:14daa48ffd4c 107 virtual void dummyread ();
Geremia 20:14daa48ffd4c 108
Geremia 20:14daa48ffd4c 109 /** ILI932x specific, select register for a successive write or read
Geremia 20:14daa48ffd4c 110 *
Geremia 20:14daa48ffd4c 111 * @param reg register to be selected
Geremia 20:14daa48ffd4c 112 * @param forread false = a write next (default), true = a read next
Geremia 20:14daa48ffd4c 113 * @note forread only used by SPI protocols
Geremia 20:14daa48ffd4c 114 */
Geremia 20:14daa48ffd4c 115 virtual void reg_select(unsigned char reg, bool forread =false);
Geremia 20:14daa48ffd4c 116
Geremia 20:14daa48ffd4c 117 /** ILI932x specific, write register with data
Geremia 20:14daa48ffd4c 118 *
Geremia 20:14daa48ffd4c 119 * @param reg register to write
Geremia 20:14daa48ffd4c 120 * @param data 16bit data
Geremia 20:14daa48ffd4c 121 */
Geremia 20:14daa48ffd4c 122 virtual void reg_write(unsigned char reg, unsigned short data);
Geremia 20:14daa48ffd4c 123
Geremia 20:14daa48ffd4c 124 /** ILI932x specific, read register
Geremia 20:14daa48ffd4c 125 *
Geremia 20:14daa48ffd4c 126 * @param reg register to be read
Geremia 20:14daa48ffd4c 127 * @returns 16bit register value
Geremia 20:14daa48ffd4c 128 */
Geremia 20:14daa48ffd4c 129 virtual unsigned short reg_read(unsigned char reg);
Geremia 20:14daa48ffd4c 130
Geremia 4:12ba0ecc2c1f 131 /** HW reset sequence (without display init commands)
Geremia 4:12ba0ecc2c1f 132 */
Geremia 4:12ba0ecc2c1f 133 virtual void hw_reset();
Geremia 4:12ba0ecc2c1f 134
Geremia 4:12ba0ecc2c1f 135 /** Set ChipSelect high or low
Geremia 4:12ba0ecc2c1f 136 * @param enable 0/1
Geremia 4:12ba0ecc2c1f 137 */
Geremia 4:12ba0ecc2c1f 138 virtual void BusEnable(bool enable);
Geremia 4:12ba0ecc2c1f 139
Geremia 4:12ba0ecc2c1f 140
Geremia 4:12ba0ecc2c1f 141
Geremia 4:12ba0ecc2c1f 142 private:
Geremia 4:12ba0ecc2c1f 143
Geremia 4:12ba0ecc2c1f 144 PortInOut _port;
Geremia 4:12ba0ecc2c1f 145 DigitalOut _CS;
Geremia 4:12ba0ecc2c1f 146 DigitalOut _reset;
Geremia 4:12ba0ecc2c1f 147 DigitalOut _DC;
Geremia 4:12ba0ecc2c1f 148 DigitalOut _WR;
Geremia 4:12ba0ecc2c1f 149 DigitalOut _RD;
Geremia 4:12ba0ecc2c1f 150
Geremia 4:12ba0ecc2c1f 151 };
dreschpe 25:daacdcf34e52 152 #endif
dreschpe 25:daacdcf34e52 153
Geremia 4:12ba0ecc2c1f 154 #endif