diff options
Diffstat (limited to 'keyboards/ergodox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h')
| -rw-r--r-- | keyboards/ergodox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/keyboards/ergodox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h b/keyboards/ergodox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h new file mode 100644 index 0000000000..2ea73f1fb3 --- /dev/null +++ b/keyboards/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 */ |