103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/* Copyright 2018 James Laird-Wah
|
|
*
|
|
* 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 "leds.h"
|
|
#include "i2c_master.h"
|
|
#include "led_tables.h"
|
|
#include "rgb_matrix.h"
|
|
#include <string.h>
|
|
#include "model01.h"
|
|
|
|
#define I2C_TIMEOUT 1000
|
|
|
|
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);
|
|
i2c_transmit(I2C_ADDR(RIGHT), buf, sizeof(buf), I2C_TIMEOUT);
|
|
_delay_us(10);
|
|
}
|
|
|
|
void set_led_to(int led, uint8_t r, uint8_t g, uint8_t b) {
|
|
uint8_t buf[] = {
|
|
TWI_CMD_LED_SET_ONE_TO,
|
|
led & 0x1f,
|
|
b, g, r
|
|
};
|
|
int hand = (led >= 32) ? RIGHT : LEFT;
|
|
i2c_transmit(I2C_ADDR(hand), buf, sizeof(buf), I2C_TIMEOUT);
|
|
_delay_us(10);
|
|
}
|
|
|
|
#ifdef RGB_MATRIX_ENABLE
|
|
|
|
static struct {
|
|
uint8_t b;
|
|
uint8_t g;
|
|
uint8_t r;
|
|
} __attribute__((packed)) led_state[64];
|
|
|
|
static void set_color(int index, uint8_t r, uint8_t g, uint8_t b) {
|
|
led_state[index].r = r;
|
|
led_state[index].g = g;
|
|
led_state[index].b = b;
|
|
}
|
|
|
|
static void set_color_all(uint8_t r, uint8_t g, uint8_t b) {
|
|
for (int i=0; i<RGB_MATRIX_LED_COUNT; i++)
|
|
set_color(i, r, g, b);
|
|
}
|
|
|
|
static void init(void) {
|
|
// Enable high current pathway to LEDs - this does violate the USB spec though! (1.6 amps...)
|
|
DDRE |= _BV(6);
|
|
PORTE &= ~_BV(6);
|
|
|
|
// Overcurrent check input
|
|
DDRB &= ~_BV(4);
|
|
PORTB &= ~_BV(4);
|
|
}
|
|
|
|
static void flush(void) {
|
|
uint8_t *bank_data = (uint8_t*)&led_state[0];
|
|
uint8_t command[1 + 8*3];
|
|
for (int hand=0; hand<2; hand++) {
|
|
int addr = I2C_ADDR(hand);
|
|
|
|
for (int bank=0; bank<4; bank++) {
|
|
command[0] = TWI_CMD_LED_BASE + bank;
|
|
memcpy(&command[1], bank_data, 8*3);
|
|
i2c_transmit(addr, command, sizeof(command), I2C_TIMEOUT);
|
|
_delay_us(100);
|
|
|
|
bank_data += 8*3;
|
|
}
|
|
}
|
|
}
|
|
|
|
const rgb_matrix_driver_t rgb_matrix_driver = {
|
|
.init = init,
|
|
.flush = flush,
|
|
.set_color = set_color,
|
|
.set_color_all = set_color_all
|
|
};
|
|
|
|
#endif
|
|
|
|
/* vim: set ts=2 sw=2 et: */
|