From ec78acae690ae8b6122132b810ce663604cd8b9b Mon Sep 17 00:00:00 2001 From: Islam Sharabash Date: Sun, 9 Jan 2022 11:57:08 -0800 Subject: [Keyboard] Adding Dygma Raise (#13543) Co-authored-by: Joel Challis Co-authored-by: Ryan Co-authored-by: Drashna Jaelre --- keyboards/handwired/dygma/raise/leds.c | 101 +++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 keyboards/handwired/dygma/raise/leds.c (limited to 'keyboards/handwired/dygma/raise/leds.c') diff --git a/keyboards/handwired/dygma/raise/leds.c b/keyboards/handwired/dygma/raise/leds.c new file mode 100644 index 0000000000..3f6037cbfa --- /dev/null +++ b/keyboards/handwired/dygma/raise/leds.c @@ -0,0 +1,101 @@ +/* Copyright 2018-2021 James Laird-Wah, Islam Sharabash + * + * 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 . + */ + +#include "quantum.h" +#include "i2c_master.h" +#include "led_tables.h" +#include "rgb_matrix.h" +#include +#include "raise.h" +#include "wire-protocol-constants.h" +#include "print.h" +#include "leds.h" + +struct __attribute__((packed)) cRGB { + uint8_t r; + uint8_t g; + uint8_t b; +}; + +#define LEDS_PER_HAND 72 +#define LED_BANKS 9 +#define LEDS_PER_BANK 8 +#define LED_BYTES_PER_BANK (sizeof(cRGB) * LEDS_PER_BANK) + +// shifting << 1 is because drivers/chibios/i2c_master.h expects the address +// shifted. +// 0x58 and 0x59 are the addresses defined in dygma/raise/Hand.h +#define I2C_ADDR_LEFT (0x58 << 1) +#define I2C_ADDR_RIGHT (0x59 << 1) +#define I2C_ADDR(hand) ((hand) ? I2C_ADDR_RIGHT : I2C_ADDR_LEFT) +#define LEFT 0 +#define RIGHT 1 + +static cRGB led_state[2 * LEDS_PER_HAND]; + +void set_all_leds_to(uint8_t r, uint8_t g, uint8_t b) { + uint8_t buf[] = {TWI_CMD_LED_SET_ALL_TO, b, g, r}; + i2c_transmit(I2C_ADDR(LEFT), buf, sizeof(buf), I2C_TIMEOUT); + wait_us(10); + i2c_transmit(I2C_ADDR(RIGHT), buf, sizeof(buf), I2C_TIMEOUT); + wait_us(10); +} + +void set_led_to(int led, uint8_t r, uint8_t g, uint8_t b) { + int sled = led_map[led]; + uint8_t buf[] = {TWI_CMD_LED_SET_ONE_TO, sled & 0x1f, b, g, r}; + int hand = (sled >= LEDS_PER_HAND) ? RIGHT : LEFT; + i2c_transmit(I2C_ADDR(hand), buf, sizeof(buf), I2C_TIMEOUT); + wait_us(10); +} + +static void set_color(int index, uint8_t r, uint8_t g, uint8_t b) { + int sled = led_map[index]; + + led_state[sled].r = r; + led_state[sled].g = g; + led_state[sled].b = b; +} + +static void set_color_all(uint8_t r, uint8_t g, uint8_t b) { + for (int i = 0; i < DRIVER_LED_TOTAL; i++) set_color(i, r, g, b); +} + +static void init(void) {} + +static void flush(void) { + uint8_t command[1 + LED_BYTES_PER_BANK]; + + // SUBTLE(ibash) alternate hands when transmitting led data, otherwise the + // mcu in the hand seems to have trouble keeping up with the i2c + // transmission + for (int bank = 0; bank < LED_BANKS; bank++) { + for (int hand = 0; hand < 2; hand++) { + int addr = I2C_ADDR(hand); + int i = (hand * LEDS_PER_HAND) + (bank * LEDS_PER_BANK); + uint8_t *bank_data = (uint8_t *)&led_state[i]; + + command[0] = TWI_CMD_LED_BASE + bank; + memcpy(&command[1], bank_data, LED_BYTES_PER_BANK); + i2c_transmit(addr, command, sizeof(command), I2C_TIMEOUT); + + // delay to prevent issues with the i2c bus + wait_us(10); + } + } +} + +const rgb_matrix_driver_t rgb_matrix_driver = {.init = init, .flush = flush, .set_color = set_color, .set_color_all = set_color_all}; -- cgit v1.2.3