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remove custom i2c and led driver

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This commit is contained in:
mechmerlin
2019-07-14 18:11:16 -07:00
parent b8c5efa555
commit 77a7e3c91f
6 changed files with 69 additions and 285 deletions
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94
keyboards/winkeyless/bface/backlight_ps2avrGB.c
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@@ -1,94 +0,0 @@
/* Copyright 2017 Sebastian Kaim
*
* 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/>.
*/
#ifdef BACKLIGHT_ENABLE
#include "backlight_ps2avrGB.h"
#define sbi(reg,bit) reg |= (_BV(bit))
#define cbi(reg,bit) reg &= (~_BV(bit))
#define PWM10 WGM10
#define PWM11 WGM11
#define COM1x1 COM1B1
#define OCR1x OCR1B
void backlight_init_ports(void)
{
#if BACKLIGHT_ON_STATE == 0
backlight_off();
#else
backlight_on();
#endif
// setup pwm
// this bitmagic is sourced from the original firmware
/*TCCR1B = ((TCCR1B & ~0x07) | 0x03);
TCNT1H = 0;
TCNT1L = 0;
sbi(TIMSK, TOIE1);
OCR1BH = 0;
OCR1BL = 0;
cbi(TCCR1A,PWM11);
sbi(TCCR1A,PWM10);
sbi(TCCR1A,COM1B1);
cbi(TCCR1A,COM1B0);*/
ICR1 = 0xFFFF;
TCCR1A = _BV(COM1x1) | _BV(WGM11); // = 0b00001010;
TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
backlight_init();
}
void backlight_set(uint8_t level)
{
if( level == 0 ) {
backlight_off();
}
else {
backlight_on();
/*uint8_t pwm = get_pwm_for_brightness(level);
set_backlight_pwm(pwm);
TCCR1A |= _BV(COM1x1);
OCR1x = (level >= 2) ? 0xFFFF : 0x00FF;*/
}
}
#define PWM_MAX 0xFF
uint8_t get_pwm_for_brightness(uint8_t level)
{
// we need to cast up here to allow multiplication with 0xFF. We could also use floats, but this is probably a lot faster.
uint16_t brightness = (uint16_t)level * (uint16_t)PWM_MAX / (uint16_t)BACKLIGHT_LEVELS;
return (uint8_t)brightness;
}
void backlight_on(void)
{
//_SFR_IO8(0x12) |= _BV(0x4);
LED_PIN |= BACKLIGHT_PORT_NUM;
}
void backlight_off(void)
{
//_SFR_IO8(0x12) &= ~_BV(0x4);
LED_PIN &= ~BACKLIGHT_PORT_NUM;
}
void set_backlight_pwm(uint8_t level) {
// this does not work (yet)
//OCR1B = level;
}
#endif // BACKLIGHT_ENABLE

35
keyboards/winkeyless/bface/backlight_ps2avrGB.h
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@@ -1,35 +0,0 @@
/* Copyright 2017 Sebastian Kaim
*
* 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/>.
*/
#if defined(__AVR__)
#include <avr/pgmspace.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#endif
#include <stddef.h>
#include <stdlib.h>
#include "backlight.h"
#ifndef PS2AVRGB_BACKLIGHT_H
#define PS2AVRGB_BACKLIGHT_H
uint8_t get_pwm_for_brightness(uint8_t level);
void set_backlight_pwm(uint8_t level);
void backlight_on(void);
void backlight_off(void);
#endif

94
keyboards/winkeyless/bface/bface.c
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@@ -1,30 +1,23 @@
/*
Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>
Copyright 2018 Sebastian Kaim <sebb@sebb767.de>
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 "bface.h"
/* Copyright 2019 MechMerlin
*
* 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 "rgblight.h"
#include <avr/pgmspace.h>
#include "action_layer.h"
#include "i2c.h"
#include "i2c_master.h"
#include "quantum.h"
#ifdef RGBLIGHT_ENABLE
extern rgblight_config_t rgblight_config;
void rgblight_set(void) {
@@ -37,10 +30,59 @@ void rgblight_set(void) {
}
i2c_init();
i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
i2c_transmit(0xb0, (uint8_t*)led, 3 * RGBLED_NUM, 100);
}
#endif
void matrix_init_kb(void) {
#ifdef RGBLIGHT_ENABLE
if (rgblight_config.enable) {
i2c_init();
i2c_transmit(0xb0, (uint8_t*)led, 3 * RGBLED_NUM, 100);
}
#endif
// call user level keymaps, if any
matrix_init_user();
}
void matrix_scan_kb(void) {
#ifdef RGBLIGHT_ENABLE
rgblight_task();
#endif
matrix_scan_user();
/* Nothing else for now. */
}
__attribute__ ((weak))
void matrix_scan_user(void) {
rgblight_task();
}
void backlight_init_ports(void) {
// initialize pins D0, D1, D4 and D6 as output
setPinOutput(D0);
setPinOutput(D1);
setPinOutput(D4);
setPinOutput(D6);
// turn backlight LEDs on
writePinHigh(D0);
writePinHigh(D1);
writePinHigh(D4);
writePinHigh(D6);
}
void backlight_set(uint8_t level) {
if (level == 0) {
// turn backlight LEDs off
writePinLow(D0);
writePinLow(D1);
writePinLow(D4);
writePinLow(D6);
} else {
// turn backlight LEDs on
writePinHigh(D0);
writePinHigh(D1);
writePinHigh(D4);
writePinHigh(D6);
}
}

104
keyboards/winkeyless/bface/i2c.c
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@@ -1,104 +0,0 @@
/*
Copyright 2016 Luiz Ribeiro <luizribeiro@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 <avr/io.h>
#include <util/twi.h>
#include "i2c.h"
void i2c_set_bitrate(uint16_t bitrate_khz) {
uint8_t bitrate_div = ((F_CPU / 1000l) / bitrate_khz);
if (bitrate_div >= 16) {
bitrate_div = (bitrate_div - 16) / 2;
}
TWBR = bitrate_div;
}
void i2c_init(void) {
// set pull-up resistors on I2C bus pins
PORTC |= 0b11;
i2c_set_bitrate(400);
// enable TWI (two-wire interface)
TWCR |= (1 << TWEN);
// enable TWI interrupt and slave address ACK
TWCR |= (1 << TWIE);
TWCR |= (1 << TWEA);
}
uint8_t i2c_start(uint8_t address) {
// reset TWI control register
TWCR = 0;
// begin transmission and wait for it to end
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
while (!(TWCR & (1<<TWINT)));
// check if the start condition was successfully transmitted
if ((TWSR & 0xF8) != TW_START) {
return 1;
}
// transmit address and wait
TWDR = address;
TWCR = (1<<TWINT) | (1<<TWEN);
while (!(TWCR & (1<<TWINT)));
// check if the device has acknowledged the READ / WRITE mode
uint8_t twst = TW_STATUS & 0xF8;
if ((twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK)) {
return 1;
}
return 0;
}
void i2c_stop(void) {
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
}
uint8_t i2c_write(uint8_t data) {
TWDR = data;
// transmit data and wait
TWCR = (1<<TWINT) | (1<<TWEN);
while (!(TWCR & (1<<TWINT)));
if ((TWSR & 0xF8) != TW_MT_DATA_ACK) {
return 1;
}
return 0;
}
uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length) {
if (i2c_start(address)) {
return 1;
}
for (uint16_t i = 0; i < length; i++) {
if (i2c_write(data[i])) {
return 1;
}
}
i2c_stop();
return 0;
}

25
keyboards/winkeyless/bface/i2c.h
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@@ -1,25 +0,0 @@
/*
Copyright 2016 Luiz Ribeiro <luizribeiro@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 __I2C_H__
#define __I2C_H__
void i2c_init(void);
void i2c_set_bitrate(uint16_t bitrate_khz);
uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length);
#endif

2
keyboards/winkeyless/bface/rules.mk
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@@ -40,7 +40,7 @@ OPT_DEFS = -DDEBUG_LEVEL=0
OPT_DEFS += -DBOOTLOADER_SIZE=2048
# custom matrix setup
SRC = i2c.c backlight_ps2avrGB.c
SRC = i2c_master.c
# programming options
PROGRAM_CMD = ./util/atmega32a_program.py $(TARGET).hex