Add Infinity Ergodox display drivers
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13 changed files with 992 additions and 0 deletions
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/*
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Copyright 2016 Fred Sundvik <fsundvik@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _GDISP_LLD_BOARD_H
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#define _GDISP_LLD_BOARD_H
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static const I2CConfig i2ccfg = {
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400000 // clock speed (Hz); 400kHz max for IS31
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};
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#define GDISP_SCREEN_WIDTH 7
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#define GDISP_SCREEN_HEIGHT 7
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static const uint8_t led_mask[] = {
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0xFF, 0x00, /* C1-1 -> C1-16 */
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0xFF, 0x00, /* C2-1 -> C2-16 */
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0xFF, 0x00, /* C3-1 -> C3-16 */
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0xFF, 0x00, /* C4-1 -> C4-16 */
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0x3F, 0x00, /* C5-1 -> C5-16 */
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0x00, 0x00, /* C6-1 -> C6-16 */
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0x00, 0x00, /* C7-1 -> C7-16 */
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0x00, 0x00, /* C8-1 -> C8-16 */
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0x00, 0x00, /* C9-1 -> C9-16 */
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};
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// The address of the LED
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#define LA(c, r) (c + r * 16 )
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// Need to be an address that is not mapped, but inside the range of the controller matrix
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#define NA LA(8, 8)
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// The numbers in the comments are the led numbers DXX on the PCB
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// The mapping is taken from the schematic of left hand side
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static const uint8_t led_mapping[GDISP_SCREEN_HEIGHT][GDISP_SCREEN_WIDTH] = {
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// 45 44 43 42 41 40 39
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{ LA(1, 1), LA(1, 0), LA(0, 4), LA(0, 3), LA(0, 2), LA(0, 1), LA(0, 0)},
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// 52 51 50 49 48 47 46
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{ LA(2, 3), LA(2, 2), LA(2, 1), LA(2, 0), LA(1, 4), LA(1, 3), LA(1, 2) },
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// 58 57 56 55 54 53 N/A
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{ LA(3, 4), LA(3, 3), LA(3, 2), LA(3, 1), LA(3, 0), LA(2, 4), NA },
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// 67 66 65 64 63 62 61
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{ LA(5, 3), LA(5, 2), LA(5, 1), LA(5, 0), LA(4, 4), LA(4, 3), LA(4, 2) },
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// 76 75 74 73 72 60 59
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{ LA(7, 3), LA(7, 2), LA(7, 1), LA(7, 0), LA(6, 3), LA(4, 1), LA(4, 0) },
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// N/A N/A N/A N/A N/A N/A 68
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{ NA, NA, NA, NA, NA, NA, LA(5, 4) },
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// N/A N/A N/A N/A 71 70 69
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{ NA, NA, NA, NA, LA(6, 2), LA(6, 1), LA(6, 0) },
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};
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#define IS31_ADDR_DEFAULT 0x74 // AD connected to GND
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#define IS31_TIMEOUT 5000
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static GFXINLINE void init_board(GDisplay *g) {
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(void) g;
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/* I2C pins */
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palSetPadMode(GPIOB, 0, PAL_MODE_ALTERNATIVE_2); // PTB0/I2C0/SCL
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palSetPadMode(GPIOB, 1, PAL_MODE_ALTERNATIVE_2); // PTB1/I2C0/SDA
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palSetPadMode(GPIOB, 16, PAL_MODE_OUTPUT_PUSHPULL);
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palClearPad(GPIOB, 16);
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/* start I2C */
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i2cStart(&I2CD1, &i2ccfg);
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// try high drive (from kiibohd)
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I2CD1.i2c->C2 |= I2Cx_C2_HDRS;
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// try glitch fixing (from kiibohd)
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I2CD1.i2c->FLT = 4;
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}
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static GFXINLINE void post_init_board(GDisplay *g) {
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(void) g;
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}
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static GFXINLINE const uint8_t* get_led_mask(GDisplay* g) {
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(void) g;
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return led_mask;
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}
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static GFXINLINE uint8_t get_led_address(GDisplay* g, uint16_t x, uint16_t y)
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{
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(void) g;
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return led_mapping[y][x];
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}
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static GFXINLINE void set_hardware_shutdown(GDisplay* g, bool shutdown) {
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(void) g;
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if(!shutdown) {
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palSetPad(GPIOB, 16);
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}
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else {
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palClearPad(GPIOB, 16);
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}
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}
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static GFXINLINE void write_data(GDisplay *g, uint8_t* data, uint16_t length) {
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(void) g;
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i2cMasterTransmitTimeout(&I2CD1, IS31_ADDR_DEFAULT, data, length, 0, 0, US2ST(IS31_TIMEOUT));
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}
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#endif /* _GDISP_LLD_BOARD_H */
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@ -0,0 +1,2 @@
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GFXINC += drivers/gdisp/IS31FL3731C
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GFXSRC += drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c
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@ -0,0 +1,333 @@
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/*
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Copyright 2016 Fred Sundvik <fsundvik@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "gfx.h"
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#if GFX_USE_GDISP
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#define GDISP_DRIVER_VMT GDISPVMT_IS31FL3731C_ERGODOX
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#include "drivers/gdisp/IS31FL3731C/gdisp_lld_config.h"
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#include "src/gdisp/gdisp_driver.h"
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#include "board_IS31FL3731C.h"
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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#ifndef GDISP_SCREEN_HEIGHT
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#define GDISP_SCREEN_HEIGHT 9
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#endif
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#ifndef GDISP_SCREEN_WIDTH
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#define GDISP_SCREEN_WIDTH 16
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#endif
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#ifndef GDISP_INITIAL_CONTRAST
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#define GDISP_INITIAL_CONTRAST 0
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#endif
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#ifndef GDISP_INITIAL_BACKLIGHT
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#define GDISP_INITIAL_BACKLIGHT 100
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#endif
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#define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER<<0)
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#define IS31_ADDR_DEFAULT 0x74
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#define IS31_REG_CONFIG 0x00
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// bits in reg
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#define IS31_REG_CONFIG_PICTUREMODE 0x00
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#define IS31_REG_CONFIG_AUTOPLAYMODE 0x08
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#define IS31_REG_CONFIG_AUDIOPLAYMODE 0x18
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// D2:D0 bits are starting frame for autoplay mode
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#define IS31_REG_PICTDISP 0x01 // D2:D0 frame select for picture mode
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#define IS31_REG_AUTOPLAYCTRL1 0x02
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// D6:D4 number of loops (000=infty)
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// D2:D0 number of frames to be used
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#define IS31_REG_AUTOPLAYCTRL2 0x03 // D5:D0 delay time (*11ms)
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#define IS31_REG_DISPLAYOPT 0x05
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#define IS31_REG_DISPLAYOPT_INTENSITY_SAME 0x20 // same intensity for all frames
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#define IS31_REG_DISPLAYOPT_BLINK_ENABLE 0x8
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// D2:D0 bits blink period time (*0.27s)
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#define IS31_REG_AUDIOSYNC 0x06
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#define IS31_REG_AUDIOSYNC_ENABLE 0x1
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#define IS31_REG_FRAMESTATE 0x07
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#define IS31_REG_BREATHCTRL1 0x08
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// D6:D4 fade out time (26ms*2^i)
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// D2:D0 fade in time (26ms*2^i)
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#define IS31_REG_BREATHCTRL2 0x09
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#define IS31_REG_BREATHCTRL2_ENABLE 0x10
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// D2:D0 extinguish time (3.5ms*2^i)
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#define IS31_REG_SHUTDOWN 0x0A
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#define IS31_REG_SHUTDOWN_OFF 0x0
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#define IS31_REG_SHUTDOWN_ON 0x1
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#define IS31_REG_AGCCTRL 0x0B
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#define IS31_REG_ADCRATE 0x0C
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#define IS31_COMMANDREGISTER 0xFD
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#define IS31_FUNCTIONREG 0x0B // helpfully called 'page nine'
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#define IS31_FUNCTIONREG_SIZE 0xD
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#define IS31_FRAME_SIZE 0xB4
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#define IS31_PWM_REG 0x24
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#define IS31_PWM_SIZE 0x90
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#define IS31_LED_MASK_SIZE 0x12
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#define IS31_SCREEN_WIDTH 16
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#define IS31
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//Generated by http://jared.geek.nz/2013/feb/linear-led-pwm
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const unsigned char cie[256] = {
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0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 3, 3, 3, 3, 3, 3, 3,
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3, 4, 4, 4, 4, 4, 4, 5, 5, 5,
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5, 5, 6, 6, 6, 6, 6, 7, 7, 7,
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7, 8, 8, 8, 8, 9, 9, 9, 10, 10,
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10, 10, 11, 11, 11, 12, 12, 12, 13, 13,
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13, 14, 14, 15, 15, 15, 16, 16, 17, 17,
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17, 18, 18, 19, 19, 20, 20, 21, 21, 22,
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22, 23, 23, 24, 24, 25, 25, 26, 26, 27,
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28, 28, 29, 29, 30, 31, 31, 32, 32, 33,
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34, 34, 35, 36, 37, 37, 38, 39, 39, 40,
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41, 42, 43, 43, 44, 45, 46, 47, 47, 48,
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49, 50, 51, 52, 53, 54, 54, 55, 56, 57,
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58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
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68, 70, 71, 72, 73, 74, 75, 76, 77, 79,
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80, 81, 82, 83, 85, 86, 87, 88, 90, 91,
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92, 94, 95, 96, 98, 99, 100, 102, 103, 105,
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106, 108, 109, 110, 112, 113, 115, 116, 118, 120,
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121, 123, 124, 126, 128, 129, 131, 132, 134, 136,
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138, 139, 141, 143, 145, 146, 148, 150, 152, 154,
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155, 157, 159, 161, 163, 165, 167, 169, 171, 173,
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175, 177, 179, 181, 183, 185, 187, 189, 191, 193,
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196, 198, 200, 202, 204, 207, 209, 211, 214, 216,
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218, 220, 223, 225, 228, 230, 232, 235, 237, 240,
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242, 245, 247, 250, 252, 255,
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};
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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typedef struct{
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uint8_t write_buffer_offset;
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uint8_t write_buffer[IS31_FRAME_SIZE];
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uint8_t frame_buffer[GDISP_SCREEN_HEIGHT * GDISP_SCREEN_WIDTH];
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uint8_t page;
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}__attribute__((__packed__)) PrivData;
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// Some common routines and macros
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#define PRIV(g) ((PrivData*)g->priv)
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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static GFXINLINE void write_page(GDisplay* g, uint8_t page) {
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uint8_t tx[2] __attribute__((aligned(2)));
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tx[0] = IS31_COMMANDREGISTER;
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tx[1] = page;
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write_data(g, tx, 2);
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}
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static GFXINLINE void write_register(GDisplay* g, uint8_t page, uint8_t reg, uint8_t data) {
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uint8_t tx[2] __attribute__((aligned(2)));
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tx[0] = reg;
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tx[1] = data;
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write_page(g, page);
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write_data(g, tx, 2);
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}
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static GFXINLINE void write_ram(GDisplay *g, uint8_t page, uint16_t offset, uint16_t length) {
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PRIV(g)->write_buffer_offset = offset;
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write_page(g, page);
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write_data(g, (uint8_t*)PRIV(g), length + 1);
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}
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LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
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// The private area is the display surface.
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g->priv = gfxAlloc(sizeof(PrivData));
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__builtin_memset(PRIV(g), 0, sizeof(PrivData));
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PRIV(g)->page = 0;
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// Initialise the board interface
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init_board(g);
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gfxSleepMilliseconds(10);
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// zero function page, all registers (assuming full_page is all zeroes)
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write_ram(g, IS31_FUNCTIONREG, 0, IS31_FUNCTIONREG_SIZE);
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set_hardware_shutdown(g, false);
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gfxSleepMilliseconds(10);
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// software shutdown
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write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
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gfxSleepMilliseconds(10);
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// zero function page, all registers
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write_ram(g, IS31_FUNCTIONREG, 0, IS31_FUNCTIONREG_SIZE);
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gfxSleepMilliseconds(10);
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// zero all LED registers on all 8 pages, and enable the mask
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__builtin_memcpy(PRIV(g)->write_buffer, get_led_mask(g), IS31_LED_MASK_SIZE);
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for(uint8_t i=0; i<8; i++) {
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write_ram(g, i, 0, IS31_FRAME_SIZE);
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gfxSleepMilliseconds(1);
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}
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// software shutdown disable (i.e. turn stuff on)
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write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
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gfxSleepMilliseconds(10);
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// Finish Init
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post_init_board(g);
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/* Initialise the GDISP structure */
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g->g.Width = GDISP_SCREEN_WIDTH;
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Orientation = GDISP_ROTATE_0;
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g->g.Powermode = powerOn;
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g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
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g->g.Contrast = GDISP_INITIAL_CONTRAST;
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return TRUE;
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}
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#if GDISP_HARDWARE_FLUSH
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LLDSPEC void gdisp_lld_flush(GDisplay *g) {
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// Don't flush if we don't need it.
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if (!(g->flags & GDISP_FLG_NEEDFLUSH))
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return;
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PRIV(g)->page++;
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PRIV(g)->page %= 2;
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// TODO: some smarter algorithm for this
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// We should run only one physical page at a time
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// This way we don't need to send so much data, and
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// we could use slightly less memory
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uint8_t* src = PRIV(g)->frame_buffer;
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for (int y=0;y<GDISP_SCREEN_HEIGHT;y++) {
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for (int x=0;x<GDISP_SCREEN_WIDTH;x++) {
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PRIV(g)->write_buffer[get_led_address(g, x, y)]=cie[*src];
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++src;
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}
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}
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write_ram(g, PRIV(g)->page, IS31_PWM_REG, IS31_PWM_SIZE);
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gfxSleepMilliseconds(1);
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write_register(g, IS31_FUNCTIONREG, IS31_REG_PICTDISP, PRIV(g)->page);
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g->flags &= ~GDISP_FLG_NEEDFLUSH;
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}
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#endif
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#if GDISP_HARDWARE_DRAWPIXEL
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LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
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coord_t x, y;
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switch(g->g.Orientation) {
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default:
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case GDISP_ROTATE_0:
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x = g->p.x;
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y = g->p.y;
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break;
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case GDISP_ROTATE_180:
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x = GDISP_SCREEN_WIDTH-1 - g->p.x;
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y = g->p.y;
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break;
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}
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PRIV(g)->frame_buffer[y * GDISP_SCREEN_WIDTH + x] = gdispColor2Native(g->p.color);
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g->flags |= GDISP_FLG_NEEDFLUSH;
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}
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#endif
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#if GDISP_HARDWARE_PIXELREAD
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LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) {
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coord_t x, y;
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switch(g->g.Orientation) {
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default:
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case GDISP_ROTATE_0:
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x = g->p.x;
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y = g->p.y;
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break;
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case GDISP_ROTATE_180:
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x = GDISP_SCREEN_WIDTH-1 - g->p.x;
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y = g->p.y;
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break;
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}
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return gdispNative2Color(PRIV(g)->frame_buffer[y * GDISP_SCREEN_WIDTH + x]);
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}
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#endif
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#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
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LLDSPEC void gdisp_lld_control(GDisplay *g) {
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switch(g->p.x) {
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case GDISP_CONTROL_POWER:
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if (g->g.Powermode == (powermode_t)g->p.ptr)
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return;
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switch((powermode_t)g->p.ptr) {
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case powerOff:
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case powerSleep:
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case powerDeepSleep:
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write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
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break;
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case powerOn:
|
||||
write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
g->g.Powermode = (powermode_t)g->p.ptr;
|
||||
return;
|
||||
|
||||
case GDISP_CONTROL_ORIENTATION:
|
||||
if (g->g.Orientation == (orientation_t)g->p.ptr)
|
||||
return;
|
||||
switch((orientation_t)g->p.ptr) {
|
||||
/* Rotation is handled by the drawing routines */
|
||||
case GDISP_ROTATE_0:
|
||||
case GDISP_ROTATE_180:
|
||||
g->g.Height = GDISP_SCREEN_HEIGHT;
|
||||
g->g.Width = GDISP_SCREEN_WIDTH;
|
||||
break;
|
||||
case GDISP_ROTATE_90:
|
||||
case GDISP_ROTATE_270:
|
||||
g->g.Height = GDISP_SCREEN_WIDTH;
|
||||
g->g.Width = GDISP_SCREEN_HEIGHT;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
g->g.Orientation = (orientation_t)g->p.ptr;
|
||||
return;
|
||||
|
||||
case GDISP_CONTROL_CONTRAST:
|
||||
return;
|
||||
}
|
||||
}
|
||||
#endif // GDISP_NEED_CONTROL
|
||||
|
||||
#endif // GFX_USE_GDISP
|
|
@ -0,0 +1,36 @@
|
|||
/*
|
||||
Copyright 2016 Fred Sundvik <fsundvik@gmail.com>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef _GDISP_LLD_CONFIG_H
|
||||
#define _GDISP_LLD_CONFIG_H
|
||||
|
||||
#if GFX_USE_GDISP
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver hardware support. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#define GDISP_HARDWARE_FLUSH TRUE // This controller requires flushing
|
||||
#define GDISP_HARDWARE_DRAWPIXEL TRUE
|
||||
#define GDISP_HARDWARE_PIXELREAD TRUE
|
||||
#define GDISP_HARDWARE_CONTROL TRUE
|
||||
|
||||
#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_GRAY256
|
||||
|
||||
#endif /* GFX_USE_GDISP */
|
||||
|
||||
#endif /* _GDISP_LLD_CONFIG_H */
|
|
@ -0,0 +1,2 @@
|
|||
GFXINC += drivers/gdisp/emulator_lcd
|
||||
GFXSRC += drivers/gdisp/emulator_lcd/emulator_lcd.c
|
|
@ -0,0 +1,10 @@
|
|||
#define GDISP_DRIVER_VMT GDISPVMT_EMULATOR_LCD_ERGODOX
|
||||
#define GDISP_HARDWARE_DRAWPIXEL TRUE
|
||||
#define GDISP_HARDWARE_PIXELREAD TRUE
|
||||
#define GDISP_HARDWARE_CONTROL TRUE
|
||||
#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_MONO
|
||||
#define GDISP_SCREEN_WIDTH 128
|
||||
#define GDISP_SCREEN_HEIGHT 32
|
||||
#define ROTATE_180_IS_FLIP
|
||||
|
||||
#include "emulator/emulator_driver_impl.h"
|
|
@ -0,0 +1,2 @@
|
|||
GFXINC += drivers/gdisp/emulator_led
|
||||
GFXSRC += drivers/gdisp/emulator_led/emulator_led.c
|
|
@ -0,0 +1,10 @@
|
|||
#define GDISP_DRIVER_VMT GDISPVMT_EMULATOR_LED_ERGODOX
|
||||
#define GDISP_HARDWARE_DRAWPIXEL TRUE
|
||||
#define GDISP_HARDWARE_PIXELREAD TRUE
|
||||
#define GDISP_HARDWARE_CONTROL TRUE
|
||||
#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_MONO
|
||||
#define GDISP_SCREEN_WIDTH 7
|
||||
#define GDISP_SCREEN_HEIGHT 7
|
||||
#define ROTATE_180_IS_FLIP
|
||||
|
||||
#include "emulator/emulator_driver_impl.h"
|
|
@ -0,0 +1,127 @@
|
|||
/*
|
||||
* This file is subject to the terms of the GFX License. If a copy of
|
||||
* the license was not distributed with this file, you can obtain one at:
|
||||
*
|
||||
* http://ugfx.org/license.html
|
||||
*/
|
||||
|
||||
#ifndef _GDISP_LLD_BOARD_H
|
||||
#define _GDISP_LLD_BOARD_H
|
||||
|
||||
#include "print.h"
|
||||
|
||||
#define ST7565_LCD_BIAS ST7565_LCD_BIAS_9 // actually 6
|
||||
#define ST7565_ADC ST7565_ADC_NORMAL
|
||||
#define ST7565_COM_SCAN ST7565_COM_SCAN_DEC
|
||||
#define ST7565_PAGE_ORDER 0,1,2,3
|
||||
/*
|
||||
* Custom page order for several LCD boards, e.g. HEM12864-99
|
||||
* #define ST7565_PAGE_ORDER 4,5,6,7,0,1,2,3
|
||||
*/
|
||||
|
||||
#define ST7565_GPIOPORT GPIOC
|
||||
#define ST7565_PORT PORTC
|
||||
#define ST7565_A0_PIN 7
|
||||
#define ST7565_RST_PIN 8
|
||||
#define ST7565_MOSI_PIN 6
|
||||
#define ST7565_SLCK_PIN 5
|
||||
#define ST7565_SS_PIN 4
|
||||
|
||||
#define palSetPadModeRaw(portname, bits) \
|
||||
ST7565_PORT->PCR[ST7565_##portname##_PIN] = bits
|
||||
|
||||
#define palSetPadModeNamed(portname, portmode) \
|
||||
palSetPadMode(ST7565_GPIOPORT, ST7565_##portname##_PIN, portmode)
|
||||
|
||||
#define ST7565_SPI_MODE PORTx_PCRn_DSE | PORTx_PCRn_MUX(2)
|
||||
// DSPI Clock and Transfer Attributes
|
||||
// Frame Size: 8 bits
|
||||
// MSB First
|
||||
// CLK Low by default
|
||||
static const SPIConfig spi1config = {
|
||||
NULL,
|
||||
/* HW dependent part.*/
|
||||
ST7565_GPIOPORT,
|
||||
ST7565_SS_PIN,
|
||||
SPIx_CTARn_FMSZ(7)
|
||||
| SPIx_CTARn_ASC(7)
|
||||
| SPIx_CTARn_DT(7)
|
||||
| SPIx_CTARn_CSSCK(7)
|
||||
| SPIx_CTARn_PBR(0)
|
||||
| SPIx_CTARn_BR(7)
|
||||
//SPI_CR1_BR_0
|
||||
};
|
||||
|
||||
static bool_t st7565_is_data_mode = 1;
|
||||
|
||||
static GFXINLINE void init_board(GDisplay *g) {
|
||||
(void) g;
|
||||
palSetPadModeNamed(A0, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
|
||||
st7565_is_data_mode = 1;
|
||||
palSetPadModeNamed(RST, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
palSetPad(ST7565_GPIOPORT, ST7565_RST_PIN);
|
||||
palSetPadModeRaw(MOSI, ST7565_SPI_MODE);
|
||||
palSetPadModeRaw(SLCK, ST7565_SPI_MODE);
|
||||
palSetPadModeRaw(SS, ST7565_SPI_MODE);
|
||||
|
||||
spiInit();
|
||||
spiStart(&SPID1, &spi1config);
|
||||
spiSelect(&SPID1);
|
||||
}
|
||||
|
||||
static GFXINLINE void post_init_board(GDisplay *g) {
|
||||
(void) g;
|
||||
}
|
||||
|
||||
static GFXINLINE void setpin_reset(GDisplay *g, bool_t state) {
|
||||
(void) g;
|
||||
if (state) {
|
||||
palClearPad(ST7565_GPIOPORT, ST7565_RST_PIN);
|
||||
}
|
||||
else {
|
||||
palSetPad(ST7565_GPIOPORT, ST7565_RST_PIN);
|
||||
}
|
||||
}
|
||||
|
||||
static GFXINLINE void acquire_bus(GDisplay *g) {
|
||||
(void) g;
|
||||
// Only the LCD is using the SPI bus, so no need to acquire
|
||||
// spiAcquireBus(&SPID1);
|
||||
}
|
||||
|
||||
static GFXINLINE void release_bus(GDisplay *g) {
|
||||
(void) g;
|
||||
// Only the LCD is using the SPI bus, so no need to release
|
||||
//spiReleaseBus(&SPID1);
|
||||
}
|
||||
|
||||
static GFXINLINE void write_cmd(GDisplay *g, uint8_t cmd) {
|
||||
(void) g;
|
||||
if (st7565_is_data_mode) {
|
||||
// The sleeps need to be at lest 10 vs 25 ns respectively
|
||||
// So let's sleep two ticks, one tick might not be enough
|
||||
// if we are at the end of the tick
|
||||
chThdSleep(2);
|
||||
palClearPad(ST7565_GPIOPORT, ST7565_A0_PIN);
|
||||
chThdSleep(2);
|
||||
st7565_is_data_mode = 0;
|
||||
}
|
||||
spiSend(&SPID1, 1, &cmd);
|
||||
}
|
||||
|
||||
static GFXINLINE void write_data(GDisplay *g, uint8_t* data, uint16_t length) {
|
||||
(void) g;
|
||||
if (!st7565_is_data_mode) {
|
||||
// The sleeps need to be at lest 10 vs 25 ns respectively
|
||||
// So let's sleep two ticks, one tick might not be enough
|
||||
// if we are at the end of the tick
|
||||
chThdSleep(2);
|
||||
palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
|
||||
chThdSleep(2);
|
||||
st7565_is_data_mode = 1;
|
||||
}
|
||||
spiSend(&SPID1, length, data);
|
||||
}
|
||||
|
||||
#endif /* _GDISP_LLD_BOARD_H */
|
|
@ -0,0 +1,2 @@
|
|||
GFXINC += drivers/gdisp/st7565ergodox
|
||||
GFXSRC += drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c
|
|
@ -0,0 +1,292 @@
|
|||
/*
|
||||
* This file is subject to the terms of the GFX License. If a copy of
|
||||
* the license was not distributed with this file, you can obtain one at:
|
||||
*
|
||||
* http://ugfx.org/license.html
|
||||
*/
|
||||
|
||||
#include "gfx.h"
|
||||
|
||||
#if GFX_USE_GDISP
|
||||
|
||||
#define GDISP_DRIVER_VMT GDISPVMT_ST7565_ERGODOX
|
||||
#include "drivers/gdisp/st7565ergodox/gdisp_lld_config.h"
|
||||
#include "src/gdisp/gdisp_driver.h"
|
||||
|
||||
#include "board_ST7565.h"
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver local definitions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#ifndef GDISP_SCREEN_HEIGHT
|
||||
#define GDISP_SCREEN_HEIGHT 32
|
||||
#endif
|
||||
#ifndef GDISP_SCREEN_WIDTH
|
||||
#define GDISP_SCREEN_WIDTH 128
|
||||
#endif
|
||||
#ifndef GDISP_INITIAL_CONTRAST
|
||||
#define GDISP_INITIAL_CONTRAST 0
|
||||
#endif
|
||||
#ifndef GDISP_INITIAL_BACKLIGHT
|
||||
#define GDISP_INITIAL_BACKLIGHT 100
|
||||
#endif
|
||||
|
||||
#define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER<<0)
|
||||
|
||||
#include "drivers/gdisp/st7565ergodox/st7565.h"
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver config defaults for backward compatibility. */
|
||||
/*===========================================================================*/
|
||||
#ifndef ST7565_LCD_BIAS
|
||||
#define ST7565_LCD_BIAS ST7565_LCD_BIAS_7
|
||||
#endif
|
||||
#ifndef ST7565_ADC
|
||||
#define ST7565_ADC ST7565_ADC_NORMAL
|
||||
#endif
|
||||
#ifndef ST7565_COM_SCAN
|
||||
#define ST7565_COM_SCAN ST7565_COM_SCAN_INC
|
||||
#endif
|
||||
#ifndef ST7565_PAGE_ORDER
|
||||
#define ST7565_PAGE_ORDER 0,1,2,3
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver local functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
typedef struct{
|
||||
bool_t buffer2;
|
||||
uint8_t ram[GDISP_SCREEN_HEIGHT * GDISP_SCREEN_WIDTH / 8];
|
||||
}PrivData;
|
||||
|
||||
// Some common routines and macros
|
||||
#define PRIV(g) ((PrivData*)g->priv)
|
||||
#define RAM(g) (PRIV(g)->ram)
|
||||
#define write_cmd2(g, cmd1, cmd2) { write_cmd(g, cmd1); write_cmd(g, cmd2); }
|
||||
#define write_cmd3(g, cmd1, cmd2, cmd3) { write_cmd(g, cmd1); write_cmd(g, cmd2); write_cmd(g, cmd3); }
|
||||
|
||||
// Some common routines and macros
|
||||
#define delay(us) gfxSleepMicroseconds(us)
|
||||
#define delay_ms(ms) gfxSleepMilliseconds(ms)
|
||||
|
||||
#define xyaddr(x, y) ((x) + ((y)>>3)*GDISP_SCREEN_WIDTH)
|
||||
#define xybit(y) (1<<((y)&7))
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver exported functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*
|
||||
* As this controller can't update on a pixel boundary we need to maintain the
|
||||
* the entire display surface in memory so that we can do the necessary bit
|
||||
* operations. Fortunately it is a small display in monochrome.
|
||||
* 64 * 128 / 8 = 1024 bytes.
|
||||
*/
|
||||
|
||||
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
|
||||
// The private area is the display surface.
|
||||
g->priv = gfxAlloc(sizeof(PrivData));
|
||||
PRIV(g)->buffer2 = false;
|
||||
|
||||
// Initialise the board interface
|
||||
init_board(g);
|
||||
|
||||
// Hardware reset
|
||||
setpin_reset(g, TRUE);
|
||||
gfxSleepMilliseconds(20);
|
||||
setpin_reset(g, FALSE);
|
||||
gfxSleepMilliseconds(20);
|
||||
|
||||
acquire_bus(g);
|
||||
write_cmd(g, ST7565_DISPLAY_OFF);
|
||||
write_cmd(g, ST7565_LCD_BIAS);
|
||||
write_cmd(g, ST7565_ADC);
|
||||
write_cmd(g, ST7565_COM_SCAN);
|
||||
|
||||
write_cmd(g, ST7565_START_LINE | 0);
|
||||
|
||||
write_cmd(g, ST7565_RESISTOR_RATIO | 0x6);
|
||||
|
||||
// turn on voltage converter (VC=1, VR=0, VF=0)
|
||||
write_cmd(g, ST7565_POWER_CONTROL | 0x04);
|
||||
delay_ms(50);
|
||||
|
||||
// turn on voltage regulator (VC=1, VR=1, VF=0)
|
||||
write_cmd(g, ST7565_POWER_CONTROL | 0x06);
|
||||
delay_ms(50);
|
||||
|
||||
// turn on voltage follower (VC=1, VR=1, VF=1)
|
||||
write_cmd(g, ST7565_POWER_CONTROL | 0x07);
|
||||
delay_ms(50);
|
||||
|
||||
write_cmd(g, 0xE2);
|
||||
write_cmd(g, ST7565_COM_SCAN);
|
||||
write_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST*64/101);
|
||||
//write_cmd2(g, ST7565_CONTRAST, 0);
|
||||
write_cmd(g, ST7565_DISPLAY_ON);
|
||||
write_cmd(g, ST7565_ALLON_NORMAL);
|
||||
write_cmd(g, ST7565_INVERT_DISPLAY);
|
||||
|
||||
write_cmd(g, ST7565_RMW);
|
||||
|
||||
// Finish Init
|
||||
post_init_board(g);
|
||||
|
||||
// Release the bus
|
||||
release_bus(g);
|
||||
|
||||
/* Initialise the GDISP structure */
|
||||
g->g.Width = GDISP_SCREEN_WIDTH;
|
||||
g->g.Height = GDISP_SCREEN_HEIGHT;
|
||||
g->g.Orientation = GDISP_ROTATE_0;
|
||||
g->g.Powermode = powerOn;
|
||||
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
|
||||
g->g.Contrast = GDISP_INITIAL_CONTRAST;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
#if GDISP_HARDWARE_FLUSH
|
||||
LLDSPEC void gdisp_lld_flush(GDisplay *g) {
|
||||
unsigned p;
|
||||
|
||||
// Don't flush if we don't need it.
|
||||
if (!(g->flags & GDISP_FLG_NEEDFLUSH))
|
||||
return;
|
||||
|
||||
acquire_bus(g);
|
||||
unsigned dstOffset = (PRIV(g)->buffer2 ? 4 : 0);
|
||||
for (p = 0; p < 4; p++) {
|
||||
write_cmd(g, ST7565_PAGE | (p + dstOffset));
|
||||
write_cmd(g, ST7565_COLUMN_MSB | 0);
|
||||
write_cmd(g, ST7565_COLUMN_LSB | 0);
|
||||
write_cmd(g, ST7565_RMW);
|
||||
write_data(g, RAM(g) + (p*GDISP_SCREEN_WIDTH), GDISP_SCREEN_WIDTH);
|
||||
}
|
||||
unsigned line = (PRIV(g)->buffer2 ? 32 : 0);
|
||||
write_cmd(g, ST7565_START_LINE | line);
|
||||
PRIV(g)->buffer2 = !PRIV(g)->buffer2;
|
||||
release_bus(g);
|
||||
|
||||
g->flags &= ~GDISP_FLG_NEEDFLUSH;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if GDISP_HARDWARE_DRAWPIXEL
|
||||
LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
|
||||
coord_t x, y;
|
||||
|
||||
switch(g->g.Orientation) {
|
||||
default:
|
||||
case GDISP_ROTATE_0:
|
||||
x = g->p.x;
|
||||
y = g->p.y;
|
||||
break;
|
||||
case GDISP_ROTATE_90:
|
||||
x = g->p.y;
|
||||
y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
|
||||
break;
|
||||
case GDISP_ROTATE_180:
|
||||
x = GDISP_SCREEN_WIDTH-1 - g->p.x;
|
||||
y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
|
||||
break;
|
||||
case GDISP_ROTATE_270:
|
||||
x = GDISP_SCREEN_HEIGHT-1 - g->p.y;
|
||||
y = g->p.x;
|
||||
break;
|
||||
}
|
||||
if (gdispColor2Native(g->p.color) != Black)
|
||||
RAM(g)[xyaddr(x, y)] |= xybit(y);
|
||||
else
|
||||
RAM(g)[xyaddr(x, y)] &= ~xybit(y);
|
||||
g->flags |= GDISP_FLG_NEEDFLUSH;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if GDISP_HARDWARE_PIXELREAD
|
||||
LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) {
|
||||
coord_t x, y;
|
||||
|
||||
switch(g->g.Orientation) {
|
||||
default:
|
||||
case GDISP_ROTATE_0:
|
||||
x = g->p.x;
|
||||
y = g->p.y;
|
||||
break;
|
||||
case GDISP_ROTATE_90:
|
||||
x = g->p.y;
|
||||
y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
|
||||
break;
|
||||
case GDISP_ROTATE_180:
|
||||
x = GDISP_SCREEN_WIDTH-1 - g->p.x;
|
||||
y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
|
||||
break;
|
||||
case GDISP_ROTATE_270:
|
||||
x = GDISP_SCREEN_HEIGHT-1 - g->p.y;
|
||||
y = g->p.x;
|
||||
break;
|
||||
}
|
||||
return (RAM(g)[xyaddr(x, y)] & xybit(y)) ? White : Black;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
|
||||
LLDSPEC void gdisp_lld_control(GDisplay *g) {
|
||||
switch(g->p.x) {
|
||||
case GDISP_CONTROL_POWER:
|
||||
if (g->g.Powermode == (powermode_t)g->p.ptr)
|
||||
return;
|
||||
switch((powermode_t)g->p.ptr) {
|
||||
case powerOff:
|
||||
case powerSleep:
|
||||
case powerDeepSleep:
|
||||
acquire_bus(g);
|
||||
write_cmd(g, ST7565_DISPLAY_OFF);
|
||||
release_bus(g);
|
||||
break;
|
||||
case powerOn:
|
||||
acquire_bus(g);
|
||||
write_cmd(g, ST7565_DISPLAY_ON);
|
||||
release_bus(g);
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
g->g.Powermode = (powermode_t)g->p.ptr;
|
||||
return;
|
||||
|
||||
case GDISP_CONTROL_ORIENTATION:
|
||||
if (g->g.Orientation == (orientation_t)g->p.ptr)
|
||||
return;
|
||||
switch((orientation_t)g->p.ptr) {
|
||||
/* Rotation is handled by the drawing routines */
|
||||
case GDISP_ROTATE_0:
|
||||
case GDISP_ROTATE_180:
|
||||
g->g.Height = GDISP_SCREEN_HEIGHT;
|
||||
g->g.Width = GDISP_SCREEN_WIDTH;
|
||||
break;
|
||||
case GDISP_ROTATE_90:
|
||||
case GDISP_ROTATE_270:
|
||||
g->g.Height = GDISP_SCREEN_WIDTH;
|
||||
g->g.Width = GDISP_SCREEN_HEIGHT;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
g->g.Orientation = (orientation_t)g->p.ptr;
|
||||
return;
|
||||
|
||||
case GDISP_CONTROL_CONTRAST:
|
||||
if ((unsigned)g->p.ptr > 100)
|
||||
g->p.ptr = (void *)100;
|
||||
acquire_bus(g);
|
||||
write_cmd2(g, ST7565_CONTRAST, ((((unsigned)g->p.ptr)<<6)/101) & 0x3F);
|
||||
release_bus(g);
|
||||
g->g.Contrast = (unsigned)g->p.ptr;
|
||||
return;
|
||||
}
|
||||
}
|
||||
#endif // GDISP_NEED_CONTROL
|
||||
|
||||
#endif // GFX_USE_GDISP
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* This file is subject to the terms of the GFX License. If a copy of
|
||||
* the license was not distributed with this file, you can obtain one at:
|
||||
*
|
||||
* http://ugfx.org/license.html
|
||||
*/
|
||||
|
||||
#ifndef _GDISP_LLD_CONFIG_H
|
||||
#define _GDISP_LLD_CONFIG_H
|
||||
|
||||
#if GFX_USE_GDISP
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver hardware support. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#define GDISP_HARDWARE_FLUSH TRUE // This controller requires flushing
|
||||
#define GDISP_HARDWARE_DRAWPIXEL TRUE
|
||||
#define GDISP_HARDWARE_PIXELREAD TRUE
|
||||
#define GDISP_HARDWARE_CONTROL TRUE
|
||||
|
||||
#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_MONO
|
||||
|
||||
#endif /* GFX_USE_GDISP */
|
||||
|
||||
#endif /* _GDISP_LLD_CONFIG_H */
|
|
@ -0,0 +1,37 @@
|
|||
/*
|
||||
* This file is subject to the terms of the GFX License. If a copy of
|
||||
* the license was not distributed with this file, you can obtain one at:
|
||||
*
|
||||
* http://ugfx.org/license.html
|
||||
*/
|
||||
|
||||
#ifndef _ST7565_H
|
||||
#define _ST7565_H
|
||||
|
||||
#define ST7565_CONTRAST 0x81
|
||||
#define ST7565_ALLON_NORMAL 0xA4
|
||||
#define ST7565_ALLON 0xA5
|
||||
#define ST7565_POSITIVE_DISPLAY 0xA6
|
||||
#define ST7565_INVERT_DISPLAY 0xA7
|
||||
#define ST7565_DISPLAY_OFF 0xAE
|
||||
#define ST7565_DISPLAY_ON 0xAF
|
||||
|
||||
#define ST7565_LCD_BIAS_7 0xA3
|
||||
#define ST7565_LCD_BIAS_9 0xA2
|
||||
|
||||
#define ST7565_ADC_NORMAL 0xA0
|
||||
#define ST7565_ADC_REVERSE 0xA1
|
||||
|
||||
#define ST7565_COM_SCAN_INC 0xC0
|
||||
#define ST7565_COM_SCAN_DEC 0xC8
|
||||
|
||||
#define ST7565_START_LINE 0x40
|
||||
#define ST7565_PAGE 0xB0
|
||||
#define ST7565_COLUMN_MSB 0x10
|
||||
#define ST7565_COLUMN_LSB 0x00
|
||||
#define ST7565_RMW 0xE0
|
||||
|
||||
#define ST7565_RESISTOR_RATIO 0x20
|
||||
#define ST7565_POWER_CONTROL 0x28
|
||||
|
||||
#endif /* _ST7565_H */
|
Loading…
Reference in a new issue