forked from mirrors/qmk_userspace
Convert remaining PS2AVRGB boards to I2C WS2812 driver (#7245)
* Convert remaining PS2AVRGB boards to I2C WS2812 driver * Add back functions to make the custom matrices happy
This commit is contained in:
fauxpark
Drashna Jaelre
parent
a4d138645f
commit
3a215195ed
52 changed files with 140 additions and 2541 deletions
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@ -1,104 +0,0 @@
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/*
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Copyright 2016 Luiz Ribeiro <luizribeiro@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 <avr/io.h>
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#include <util/twi.h>
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#include "i2c.h"
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void i2c_set_bitrate(uint16_t bitrate_khz) {
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uint8_t bitrate_div = ((F_CPU / 1000l) / bitrate_khz);
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if (bitrate_div >= 16) {
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bitrate_div = (bitrate_div - 16) / 2;
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}
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TWBR = bitrate_div;
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}
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void i2c_init(void) {
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// set pull-up resistors on I2C bus pins
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PORTC |= 0b11;
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i2c_set_bitrate(400);
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// enable TWI (two-wire interface)
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TWCR |= (1 << TWEN);
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// enable TWI interrupt and slave address ACK
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TWCR |= (1 << TWIE);
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TWCR |= (1 << TWEA);
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}
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uint8_t i2c_start(uint8_t address) {
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// reset TWI control register
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TWCR = 0;
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// begin transmission and wait for it to end
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TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
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while (!(TWCR & (1<<TWINT)));
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// check if the start condition was successfully transmitted
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if ((TWSR & 0xF8) != TW_START) {
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return 1;
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}
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// transmit address and wait
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TWDR = address;
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TWCR = (1<<TWINT) | (1<<TWEN);
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while (!(TWCR & (1<<TWINT)));
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// check if the device has acknowledged the READ / WRITE mode
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uint8_t twst = TW_STATUS & 0xF8;
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if ((twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK)) {
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return 1;
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}
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return 0;
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}
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void i2c_stop(void) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
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}
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uint8_t i2c_write(uint8_t data) {
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TWDR = data;
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// transmit data and wait
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TWCR = (1<<TWINT) | (1<<TWEN);
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while (!(TWCR & (1<<TWINT)));
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if ((TWSR & 0xF8) != TW_MT_DATA_ACK) {
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return 1;
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}
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return 0;
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}
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uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length) {
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if (i2c_start(address)) {
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return 1;
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}
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for (uint16_t i = 0; i < length; i++) {
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if (i2c_write(data[i])) {
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return 1;
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}
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}
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i2c_stop();
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return 0;
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}
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@ -1,22 +0,0 @@
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/*
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Copyright 2016 Luiz Ribeiro <luizribeiro@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 __I2C_H__
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#define __I2C_H__
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void i2c_init(void);
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void i2c_set_bitrate(uint16_t bitrate_khz);
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uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length);
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#endif
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@ -1,18 +1,3 @@
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# Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>
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#
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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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#
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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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#
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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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# MCU name
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MCU = atmega32a
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@ -34,10 +19,10 @@ CONSOLE_ENABLE = yes
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COMMAND_ENABLE = yes
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BACKLIGHT_ENABLE = no
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RGBLIGHT_ENABLE = yes
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RGBLIGHT_CUSTOM_DRIVER = yes
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WS2812_DRIVER = i2c
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OPT_DEFS = -DDEBUG_LEVEL=0
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# custom matrix setup
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CUSTOM_MATRIX = yes
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SRC = matrix.c i2c.c
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SRC = matrix.c
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@ -16,61 +16,13 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "v1.h"
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#include <avr/pgmspace.h>
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#include "action_layer.h"
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#include "i2c.h"
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#include "quantum.h"
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#include "rgblight.h"
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// for keyboard subdirectory level init functions
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// @Override
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void matrix_init_kb(void) {
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// call user level keymaps, if any
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matrix_init_user();
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}
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void matrix_init_kb(void) { matrix_init_user(); }
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#ifdef RGBLIGHT_ENABLE
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extern rgblight_config_t rgblight_config;
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__attribute__ ((weak))
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void matrix_init_user(void) {}
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// custom RGB driver
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void rgblight_set(void) {
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if (!rgblight_config.enable) {
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for (uint8_t i=0; i<RGBLED_NUM; i++) {
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led[i].r = 0;
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led[i].g = 0;
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led[i].b = 0;
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}
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}
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void matrix_scan_kb(void) { matrix_scan_user(); }
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i2c_init();
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i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
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}
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bool rgb_init = false;
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void matrix_scan_kb(void) {
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// if LEDs were previously on before poweroff, turn them back on
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if (rgb_init == false && rgblight_config.enable) {
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i2c_init();
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i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
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rgb_init = true;
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}
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rgblight_task();
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#else
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void matrix_scan_kb(void) {
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#endif
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matrix_scan_user();
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/* Nothing else for now. */
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}
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__attribute__((weak)) // overridable
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void matrix_init_user(void) {
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}
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__attribute__((weak)) // overridable
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void matrix_scan_user(void) {
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}
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__attribute__ ((weak))
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void matrix_scan_user(void) {}
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