diff options
Diffstat (limited to 'keyboards/infinity_ergodox/drivers/gdisp')
13 files changed, 992 insertions, 0 deletions
diff --git a/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h b/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h new file mode 100644 index 0000000000..2ea73f1fb3 --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h @@ -0,0 +1,113 @@ +/* +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_BOARD_H +#define _GDISP_LLD_BOARD_H + +static const I2CConfig i2ccfg = { + 400000 // clock speed (Hz); 400kHz max for IS31 +}; + +#define GDISP_SCREEN_WIDTH 7 +#define GDISP_SCREEN_HEIGHT 7 + +static const uint8_t led_mask[] = { + 0xFF, 0x00, /* C1-1 -> C1-16 */ + 0xFF, 0x00, /* C2-1 -> C2-16 */ + 0xFF, 0x00, /* C3-1 -> C3-16 */ + 0xFF, 0x00, /* C4-1 -> C4-16 */ + 0x3F, 0x00, /* C5-1 -> C5-16 */ + 0x00, 0x00, /* C6-1 -> C6-16 */ + 0x00, 0x00, /* C7-1 -> C7-16 */ + 0x00, 0x00, /* C8-1 -> C8-16 */ + 0x00, 0x00, /* C9-1 -> C9-16 */ +}; + +// The address of the LED +#define LA(c, r) (c + r * 16 ) +// Need to be an address that is not mapped, but inside the range of the controller matrix +#define NA LA(8, 8) + +// The numbers in the comments are the led numbers DXX on the PCB +// The mapping is taken from the schematic of left hand side +static const uint8_t led_mapping[GDISP_SCREEN_HEIGHT][GDISP_SCREEN_WIDTH] = { +// 45 44 43 42 41 40 39 + { LA(1, 1), LA(1, 0), LA(0, 4), LA(0, 3), LA(0, 2), LA(0, 1), LA(0, 0)}, +// 52 51 50 49 48 47 46 + { LA(2, 3), LA(2, 2), LA(2, 1), LA(2, 0), LA(1, 4), LA(1, 3), LA(1, 2) }, +// 58 57 56 55 54 53 N/A + { LA(3, 4), LA(3, 3), LA(3, 2), LA(3, 1), LA(3, 0), LA(2, 4), NA }, +// 67 66 65 64 63 62 61 + { LA(5, 3), LA(5, 2), LA(5, 1), LA(5, 0), LA(4, 4), LA(4, 3), LA(4, 2) }, +// 76 75 74 73 72 60 59 + { LA(7, 3), LA(7, 2), LA(7, 1), LA(7, 0), LA(6, 3), LA(4, 1), LA(4, 0) }, +// N/A N/A N/A N/A N/A N/A 68 + { NA, NA, NA, NA, NA, NA, LA(5, 4) }, +// N/A N/A N/A N/A 71 70 69 + { NA, NA, NA, NA, LA(6, 2), LA(6, 1), LA(6, 0) }, +}; + + +#define IS31_ADDR_DEFAULT 0x74 // AD connected to GND +#define IS31_TIMEOUT 5000 + +static GFXINLINE void init_board(GDisplay *g) { + (void) g; + /* I2C pins */ + palSetPadMode(GPIOB, 0, PAL_MODE_ALTERNATIVE_2); // PTB0/I2C0/SCL + palSetPadMode(GPIOB, 1, PAL_MODE_ALTERNATIVE_2); // PTB1/I2C0/SDA + palSetPadMode(GPIOB, 16, PAL_MODE_OUTPUT_PUSHPULL); + palClearPad(GPIOB, 16); + /* start I2C */ + i2cStart(&I2CD1, &i2ccfg); + // try high drive (from kiibohd) + I2CD1.i2c->C2 |= I2Cx_C2_HDRS; + // try glitch fixing (from kiibohd) + I2CD1.i2c->FLT = 4; +} + +static GFXINLINE void post_init_board(GDisplay *g) { + (void) g; +} + +static GFXINLINE const uint8_t* get_led_mask(GDisplay* g) { + (void) g; + return led_mask; +} + +static GFXINLINE uint8_t get_led_address(GDisplay* g, uint16_t x, uint16_t y) +{ + (void) g; + return led_mapping[y][x]; +} + +static GFXINLINE void set_hardware_shutdown(GDisplay* g, bool shutdown) { + (void) g; + if(!shutdown) { + palSetPad(GPIOB, 16); + } + else { + palClearPad(GPIOB, 16); + } +} + +static GFXINLINE void write_data(GDisplay *g, uint8_t* data, uint16_t length) { + (void) g; + i2cMasterTransmitTimeout(&I2CD1, IS31_ADDR_DEFAULT, data, length, 0, 0, US2ST(IS31_TIMEOUT)); +} + +#endif /* _GDISP_LLD_BOARD_H */ diff --git a/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/driver.mk b/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/driver.mk new file mode 100644 index 0000000000..f32d0d8685 --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/driver.mk @@ -0,0 +1,2 @@ +GFXINC += drivers/gdisp/IS31FL3731C +GFXSRC += drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c diff --git a/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c b/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c new file mode 100644 index 0000000000..1d21f0c498 --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c @@ -0,0 +1,333 @@ +/* +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/>. +*/ + +#include "gfx.h" + +#if GFX_USE_GDISP + +#define GDISP_DRIVER_VMT GDISPVMT_IS31FL3731C_ERGODOX +#include "drivers/gdisp/IS31FL3731C/gdisp_lld_config.h" +#include "src/gdisp/gdisp_driver.h" + +#include "board_IS31FL3731C.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +#ifndef GDISP_SCREEN_HEIGHT + #define GDISP_SCREEN_HEIGHT 9 +#endif +#ifndef GDISP_SCREEN_WIDTH + #define GDISP_SCREEN_WIDTH 16 +#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) + +#define IS31_ADDR_DEFAULT 0x74 + +#define IS31_REG_CONFIG 0x00 +// bits in reg +#define IS31_REG_CONFIG_PICTUREMODE 0x00 +#define IS31_REG_CONFIG_AUTOPLAYMODE 0x08 +#define IS31_REG_CONFIG_AUDIOPLAYMODE 0x18 +// D2:D0 bits are starting frame for autoplay mode + +#define IS31_REG_PICTDISP 0x01 // D2:D0 frame select for picture mode + +#define IS31_REG_AUTOPLAYCTRL1 0x02 +// D6:D4 number of loops (000=infty) +// D2:D0 number of frames to be used + +#define IS31_REG_AUTOPLAYCTRL2 0x03 // D5:D0 delay time (*11ms) + +#define IS31_REG_DISPLAYOPT 0x05 +#define IS31_REG_DISPLAYOPT_INTENSITY_SAME 0x20 // same intensity for all frames +#define IS31_REG_DISPLAYOPT_BLINK_ENABLE 0x8 +// D2:D0 bits blink period time (*0.27s) + +#define IS31_REG_AUDIOSYNC 0x06 +#define IS31_REG_AUDIOSYNC_ENABLE 0x1 + +#define IS31_REG_FRAMESTATE 0x07 + +#define IS31_REG_BREATHCTRL1 0x08 +// D6:D4 fade out time (26ms*2^i) +// D2:D0 fade in time (26ms*2^i) + +#define IS31_REG_BREATHCTRL2 0x09 +#define IS31_REG_BREATHCTRL2_ENABLE 0x10 +// D2:D0 extinguish time (3.5ms*2^i) + +#define IS31_REG_SHUTDOWN 0x0A +#define IS31_REG_SHUTDOWN_OFF 0x0 +#define IS31_REG_SHUTDOWN_ON 0x1 + +#define IS31_REG_AGCCTRL 0x0B +#define IS31_REG_ADCRATE 0x0C + +#define IS31_COMMANDREGISTER 0xFD +#define IS31_FUNCTIONREG 0x0B // helpfully called 'page nine' +#define IS31_FUNCTIONREG_SIZE 0xD + +#define IS31_FRAME_SIZE 0xB4 + +#define IS31_PWM_REG 0x24 +#define IS31_PWM_SIZE 0x90 + +#define IS31_LED_MASK_SIZE 0x12 +#define IS31_SCREEN_WIDTH 16 + +#define IS31 + +//Generated by http://jared.geek.nz/2013/feb/linear-led-pwm +const unsigned char cie[256] = { + 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, + 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, + 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, + 7, 8, 8, 8, 8, 9, 9, 9, 10, 10, + 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, + 13, 14, 14, 15, 15, 15, 16, 16, 17, 17, + 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, + 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, + 28, 28, 29, 29, 30, 31, 31, 32, 32, 33, + 34, 34, 35, 36, 37, 37, 38, 39, 39, 40, + 41, 42, 43, 43, 44, 45, 46, 47, 47, 48, + 49, 50, 51, 52, 53, 54, 54, 55, 56, 57, + 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, + 68, 70, 71, 72, 73, 74, 75, 76, 77, 79, + 80, 81, 82, 83, 85, 86, 87, 88, 90, 91, + 92, 94, 95, 96, 98, 99, 100, 102, 103, 105, + 106, 108, 109, 110, 112, 113, 115, 116, 118, 120, + 121, 123, 124, 126, 128, 129, 131, 132, 134, 136, + 138, 139, 141, 143, 145, 146, 148, 150, 152, 154, + 155, 157, 159, 161, 163, 165, 167, 169, 171, 173, + 175, 177, 179, 181, 183, 185, 187, 189, 191, 193, + 196, 198, 200, 202, 204, 207, 209, 211, 214, 216, + 218, 220, 223, 225, 228, 230, 232, 235, 237, 240, + 242, 245, 247, 250, 252, 255, +}; + + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +typedef struct{ + uint8_t write_buffer_offset; + uint8_t write_buffer[IS31_FRAME_SIZE]; + uint8_t frame_buffer[GDISP_SCREEN_HEIGHT * GDISP_SCREEN_WIDTH]; + uint8_t page; +}__attribute__((__packed__)) PrivData; + +// Some common routines and macros +#define PRIV(g) ((PrivData*)g->priv) + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +static GFXINLINE void write_page(GDisplay* g, uint8_t page) { + uint8_t tx[2] __attribute__((aligned(2))); + tx[0] = IS31_COMMANDREGISTER; + tx[1] = page; + write_data(g, tx, 2); +} + +static GFXINLINE void write_register(GDisplay* g, uint8_t page, uint8_t reg, uint8_t data) { + uint8_t tx[2] __attribute__((aligned(2))); + tx[0] = reg; + tx[1] = data; + write_page(g, page); + write_data(g, tx, 2); +} + +static GFXINLINE void write_ram(GDisplay *g, uint8_t page, uint16_t offset, uint16_t length) { + PRIV(g)->write_buffer_offset = offset; + write_page(g, page); + write_data(g, (uint8_t*)PRIV(g), length + 1); +} + +LLDSPEC bool_t gdisp_lld_init(GDisplay *g) { + // The private area is the display surface. + g->priv = gfxAlloc(sizeof(PrivData)); + __builtin_memset(PRIV(g), 0, sizeof(PrivData)); + PRIV(g)->page = 0; + + // Initialise the board interface + init_board(g); + gfxSleepMilliseconds(10); + + // zero function page, all registers (assuming full_page is all zeroes) + write_ram(g, IS31_FUNCTIONREG, 0, IS31_FUNCTIONREG_SIZE); + set_hardware_shutdown(g, false); + gfxSleepMilliseconds(10); + // software shutdown + write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF); + gfxSleepMilliseconds(10); + // zero function page, all registers + write_ram(g, IS31_FUNCTIONREG, 0, IS31_FUNCTIONREG_SIZE); + gfxSleepMilliseconds(10); + + + // zero all LED registers on all 8 pages, and enable the mask + __builtin_memcpy(PRIV(g)->write_buffer, get_led_mask(g), IS31_LED_MASK_SIZE); + for(uint8_t i=0; i<8; i++) { + write_ram(g, i, 0, IS31_FRAME_SIZE); + gfxSleepMilliseconds(1); + } + + // software shutdown disable (i.e. turn stuff on) + write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON); + gfxSleepMilliseconds(10); + + // Finish Init + post_init_board(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) { + // Don't flush if we don't need it. + if (!(g->flags & GDISP_FLG_NEEDFLUSH)) + return; + + PRIV(g)->page++; + PRIV(g)->page %= 2; + // TODO: some smarter algorithm for this + // We should run only one physical page at a time + // This way we don't need to send so much data, and + // we could use slightly less memory + uint8_t* src = PRIV(g)->frame_buffer; + for (int y=0;y<GDISP_SCREEN_HEIGHT;y++) { + for (int x=0;x<GDISP_SCREEN_WIDTH;x++) { + PRIV(g)->write_buffer[get_led_address(g, x, y)]=cie[*src]; + ++src; + } + } + write_ram(g, PRIV(g)->page, IS31_PWM_REG, IS31_PWM_SIZE); + gfxSleepMilliseconds(1); + write_register(g, IS31_FUNCTIONREG, IS31_REG_PICTDISP, PRIV(g)->page); + + 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_180: + x = GDISP_SCREEN_WIDTH-1 - g->p.x; + y = g->p.y; + break; + } + PRIV(g)->frame_buffer[y * GDISP_SCREEN_WIDTH + x] = gdispColor2Native(g->p.color); + 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_180: + x = GDISP_SCREEN_WIDTH-1 - g->p.x; + y = g->p.y; + break; + } + return gdispNative2Color(PRIV(g)->frame_buffer[y * GDISP_SCREEN_WIDTH + x]); + } +#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: + write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF); + break; + 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 diff --git a/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/gdisp_lld_config.h b/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/gdisp_lld_config.h new file mode 100644 index 0000000000..bb28ad775e --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/IS31FL3731C/gdisp_lld_config.h @@ -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 */ diff --git a/keyboards/infinity_ergodox/drivers/gdisp/emulator_lcd/driver.mk b/keyboards/infinity_ergodox/drivers/gdisp/emulator_lcd/driver.mk new file mode 100644 index 0000000000..16c3f80f53 --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/emulator_lcd/driver.mk @@ -0,0 +1,2 @@ +GFXINC += drivers/gdisp/emulator_lcd +GFXSRC += drivers/gdisp/emulator_lcd/emulator_lcd.c diff --git a/keyboards/infinity_ergodox/drivers/gdisp/emulator_lcd/emulator_lcd.c b/keyboards/infinity_ergodox/drivers/gdisp/emulator_lcd/emulator_lcd.c new file mode 100644 index 0000000000..babfe2b367 --- /dev/null +++ b/keyboards/infinity_ergodox/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" diff --git a/keyboards/infinity_ergodox/drivers/gdisp/emulator_led/driver.mk b/keyboards/infinity_ergodox/drivers/gdisp/emulator_led/driver.mk new file mode 100644 index 0000000000..2554344321 --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/emulator_led/driver.mk @@ -0,0 +1,2 @@ +GFXINC += drivers/gdisp/emulator_led +GFXSRC += drivers/gdisp/emulator_led/emulator_led.c diff --git a/keyboards/infinity_ergodox/drivers/gdisp/emulator_led/emulator_led.c b/keyboards/infinity_ergodox/drivers/gdisp/emulator_led/emulator_led.c new file mode 100644 index 0000000000..b0ebcdc475 --- /dev/null +++ b/keyboards/infinity_ergodox/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" diff --git a/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/board_ST7565.h b/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/board_ST7565.h new file mode 100644 index 0000000000..290571ce5b --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/board_ST7565.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 */ diff --git a/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/driver.mk b/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/driver.mk new file mode 100644 index 0000000000..889a1a0317 --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/driver.mk @@ -0,0 +1,2 @@ +GFXINC += drivers/gdisp/st7565ergodox +GFXSRC += drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c diff --git a/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c b/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c new file mode 100644 index 0000000000..c33aea81a8 --- /dev/null +++ b/keyboards/infinity_ergodox/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 diff --git a/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/gdisp_lld_config.h b/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/gdisp_lld_config.h new file mode 100644 index 0000000000..48587b9e14 --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/gdisp_lld_config.h @@ -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 */ diff --git a/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/st7565.h b/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/st7565.h new file mode 100644 index 0000000000..48636b33d6 --- /dev/null +++ b/keyboards/infinity_ergodox/drivers/gdisp/st7565ergodox/st7565.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 */ |