qmk_firmware/keyboards/cannonkeys/stm32f072/keyboard.c

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#include "keyboard.h"
#include "ch.h"
#include "hal.h"
#include "led_custom.h"
#include "util.h"
#include "quantum.h"
#include "ws2812.h"
#include "raw_hid.h"
#include "dynamic_keymap.h"
#include "tmk_core/common/eeprom.h"
#include "version.h" // for QMK_BUILDDATE used in EEPROM magic
#include "via.h"
#define EEPROM_CUSTOM_BACKLIGHT (VIA_EEPROM_CUSTOM_CONFIG_ADDR)
backlight_config_t kb_backlight_config = {
.enable = true,
.breathing = true,
.level = BACKLIGHT_LEVELS
};
void backlight_config_save(){
eeprom_update_byte((uint8_t*)EEPROM_CUSTOM_BACKLIGHT, kb_backlight_config.raw);
}
void backlight_config_load(){
kb_backlight_config.raw = eeprom_read_byte((uint8_t*)EEPROM_CUSTOM_BACKLIGHT);
}
// Called from via_init() if VIA_ENABLE
// Called from matrix_init_kb() if not VIA_ENABLE
void via_init_kb(void)
{
// If the EEPROM has the magic, the data is good.
// OK to load from EEPROM.
if (via_eeprom_is_valid()) {
backlight_config_load();
} else {
// If the EEPROM has not been saved before, or is out of date,
// save the default values to the EEPROM. Default values
// come from construction of the backlight_config instance.
backlight_config_save();
// DO NOT set EEPROM valid here, let caller do this
}
}
__attribute__ ((weak))
void matrix_init_board(void);
void matrix_init_kb(void){
// If VIA is disabled, we still need to load backlight settings.
// Call via_init_kb() the same way as via_init(), with setting
// EEPROM valid afterwards.
#ifndef VIA_ENABLE
via_init_kb();
via_eeprom_set_valid(true);
#endif // VIA_ENABLE
/* MOSI pin*/
#ifdef RGBLIGHT_ENABLE
palSetPadMode(PORT_WS2812, PIN_WS2812, PAL_MODE_ALTERNATE(0));
wait_ms(500);
leds_init();
#endif
backlight_init_ports();
matrix_init_board();
}
void matrix_scan_kb(void)
{
#ifdef RGBLIGHT_ENABLE
rgblight_task();
#endif
matrix_scan_user();
}
bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
switch (keycode) {
case BL_INC:
if (record->event.pressed) {
kb_backlight_config.level = kb_backlight_config.level + 1;
if(kb_backlight_config.level > BACKLIGHT_LEVELS){
kb_backlight_config.level = BACKLIGHT_LEVELS;
}
backlight_set(kb_backlight_config.level);
backlight_config_save();
}
return false;
case BL_TOGG:
if (record->event.pressed) {
kb_backlight_config.enable = !kb_backlight_config.enable;
if(kb_backlight_config.enable){
backlight_set(kb_backlight_config.level);
} else {
backlight_set(0);
}
backlight_config_save();
}
return false;
case BL_DEC:
if (record->event.pressed) {
if(kb_backlight_config.level <= 1){
kb_backlight_config.level = 0;
} else {
kb_backlight_config.level = kb_backlight_config.level - 1;
}
backlight_set(kb_backlight_config.level);
backlight_config_save();
}
return false;
case BL_BRTG:
if (record->event.pressed) {
kb_backlight_config.breathing = !kb_backlight_config.breathing;
breathing_toggle();
backlight_config_save();
}
return false;
default:
break;
}
return process_record_user(keycode, record);;
}
#ifdef VIA_ENABLE
void backlight_get_value( uint8_t *data )
{
uint8_t *value_id = &(data[0]);
uint8_t *value_data = &(data[1]);
switch (*value_id)
{
case id_qmk_backlight_brightness:
{
// level / BACKLIGHT_LEVELS * 255
value_data[0] = ((uint16_t)kb_backlight_config.level) * 255 / BACKLIGHT_LEVELS;
break;
}
case id_qmk_backlight_effect:
{
value_data[0] = kb_backlight_config.breathing ? 1 : 0;
break;
}
}
}
void backlight_set_value( uint8_t *data )
{
uint8_t *value_id = &(data[0]);
uint8_t *value_data = &(data[1]);
switch (*value_id)
{
case id_qmk_backlight_brightness:
{
// level / 255 * BACKLIGHT_LEVELS
kb_backlight_config.level = ((uint16_t)value_data[0]) * BACKLIGHT_LEVELS / 255;
backlight_set(kb_backlight_config.level);
break;
}
case id_qmk_backlight_effect:
{
if ( value_data[0] == 0 ) {
kb_backlight_config.breathing = false;
breathing_disable();
} else {
kb_backlight_config.breathing = true;
breathing_enable();
}
break;
}
}
}
void raw_hid_receive_kb( uint8_t *data, uint8_t length )
{
uint8_t *command_id = &(data[0]);
uint8_t *command_data = &(data[1]);
switch ( *command_id )
{
case id_lighting_set_value:
{
backlight_set_value(command_data);
break;
}
case id_lighting_get_value:
{
backlight_get_value(command_data);
break;
}
case id_lighting_save:
{
backlight_config_save();
break;
}
default:
{
// Unhandled message.
*command_id = id_unhandled;
break;
}
}
// DO NOT call raw_hid_send(data,length) here, let caller do this
}
#endif
//
// In the case of VIA being disabled, we still need to check if
// keyboard level EEPROM memory is valid before loading.
// Thus these are copies of the same functions in VIA, since
// the backlight settings reuse VIA's EEPROM magic/version,
// and the ones in via.c won't be compiled in.
//
// Yes, this is sub-optimal, and is only here for completeness
// (i.e. catering to the 1% of people that want wilba.tech LED bling
// AND want persistent settings BUT DON'T want to use dynamic keymaps/VIA).
//
#ifndef VIA_ENABLE
bool via_eeprom_is_valid(void)
{
char *p = QMK_BUILDDATE; // e.g. "2019-11-05-11:29:54"
uint8_t magic0 = ( ( p[2] & 0x0F ) << 4 ) | ( p[3] & 0x0F );
uint8_t magic1 = ( ( p[5] & 0x0F ) << 4 ) | ( p[6] & 0x0F );
uint8_t magic2 = ( ( p[8] & 0x0F ) << 4 ) | ( p[9] & 0x0F );
return (eeprom_read_byte( (void*)VIA_EEPROM_MAGIC_ADDR+0 ) == magic0 &&
eeprom_read_byte( (void*)VIA_EEPROM_MAGIC_ADDR+1 ) == magic1 &&
eeprom_read_byte( (void*)VIA_EEPROM_MAGIC_ADDR+2 ) == magic2 );
}
// Sets VIA/keyboard level usage of EEPROM to valid/invalid
// Keyboard level code (eg. via_init_kb()) should not call this
void via_eeprom_set_valid(bool valid)
{
char *p = QMK_BUILDDATE; // e.g. "2019-11-05-11:29:54"
uint8_t magic0 = ( ( p[2] & 0x0F ) << 4 ) | ( p[3] & 0x0F );
uint8_t magic1 = ( ( p[5] & 0x0F ) << 4 ) | ( p[6] & 0x0F );
uint8_t magic2 = ( ( p[8] & 0x0F ) << 4 ) | ( p[9] & 0x0F );
eeprom_update_byte( (void*)VIA_EEPROM_MAGIC_ADDR+0, valid ? magic0 : 0xFF);
eeprom_update_byte( (void*)VIA_EEPROM_MAGIC_ADDR+1, valid ? magic1 : 0xFF);
eeprom_update_byte( (void*)VIA_EEPROM_MAGIC_ADDR+2, valid ? magic2 : 0xFF);
}
void via_eeprom_reset(void)
{
// Set the VIA specific EEPROM state as invalid.
via_eeprom_set_valid(false);
// Set the TMK/QMK EEPROM state as invalid.
eeconfig_disable();
}
#endif // VIA_ENABLE