diff options
Diffstat (limited to 'tmk_core/common/avr')
| -rw-r--r-- | tmk_core/common/avr/eeconfig.c | 56 | ||||
| -rw-r--r-- | tmk_core/common/avr/sleep_led.c | 95 |
2 files changed, 95 insertions, 56 deletions
diff --git a/tmk_core/common/avr/eeconfig.c b/tmk_core/common/avr/eeconfig.c deleted file mode 100644 index 656938fb3..000000000 --- a/tmk_core/common/avr/eeconfig.c +++ /dev/null @@ -1,56 +0,0 @@ -#include <stdint.h> -#include <stdbool.h> -#include <avr/eeprom.h> -#include "eeconfig.h" - -void eeconfig_init(void) -{ - eeprom_update_word(EECONFIG_MAGIC, EECONFIG_MAGIC_NUMBER); - eeprom_update_byte(EECONFIG_DEBUG, 0); - eeprom_update_byte(EECONFIG_DEFAULT_LAYER, 0); - eeprom_update_byte(EECONFIG_KEYMAP, 0); - eeprom_update_byte(EECONFIG_MOUSEKEY_ACCEL, 0); -#ifdef BACKLIGHT_ENABLE - eeprom_update_byte(EECONFIG_BACKLIGHT, 0); -#endif -#ifdef AUDIO_ENABLE - eeprom_update_byte(EECONFIG_AUDIO, 0xFF); // On by default -#endif -#ifdef RGBLIGHT_ENABLE - eeprom_update_dword(EECONFIG_RGBLIGHT, 0); -#endif -} - -void eeconfig_enable(void) -{ - eeprom_update_word(EECONFIG_MAGIC, EECONFIG_MAGIC_NUMBER); -} - -void eeconfig_disable(void) -{ - eeprom_update_word(EECONFIG_MAGIC, 0xFFFF); -} - -bool eeconfig_is_enabled(void) -{ - return (eeprom_read_word(EECONFIG_MAGIC) == EECONFIG_MAGIC_NUMBER); -} - -uint8_t eeconfig_read_debug(void) { return eeprom_read_byte(EECONFIG_DEBUG); } -void eeconfig_update_debug(uint8_t val) { eeprom_update_byte(EECONFIG_DEBUG, val); } - -uint8_t eeconfig_read_default_layer(void) { return eeprom_read_byte(EECONFIG_DEFAULT_LAYER); } -void eeconfig_update_default_layer(uint8_t val) { eeprom_update_byte(EECONFIG_DEFAULT_LAYER, val); } - -uint8_t eeconfig_read_keymap(void) { return eeprom_read_byte(EECONFIG_KEYMAP); } -void eeconfig_update_keymap(uint8_t val) { eeprom_update_byte(EECONFIG_KEYMAP, val); } - -#ifdef BACKLIGHT_ENABLE -uint8_t eeconfig_read_backlight(void) { return eeprom_read_byte(EECONFIG_BACKLIGHT); } -void eeconfig_update_backlight(uint8_t val) { eeprom_update_byte(EECONFIG_BACKLIGHT, val); } -#endif - -#ifdef AUDIO_ENABLE -uint8_t eeconfig_read_audio(void) { return eeprom_read_byte(EECONFIG_AUDIO); } -void eeconfig_update_audio(uint8_t val) { eeprom_update_byte(EECONFIG_AUDIO, val); } -#endif diff --git a/tmk_core/common/avr/sleep_led.c b/tmk_core/common/avr/sleep_led.c new file mode 100644 index 000000000..dab3eb0f3 --- /dev/null +++ b/tmk_core/common/avr/sleep_led.c @@ -0,0 +1,95 @@ +#include <stdint.h> +#include <avr/io.h> +#include <avr/interrupt.h> +#include <avr/pgmspace.h> +#include "led.h" +#include "sleep_led.h" + +/* Software PWM + * ______ ______ __ + * | ON |___OFF___| ON |___OFF___| .... + * |<-------------->|<-------------->|<- .... + * PWM period PWM period + * + * 256 interrupts/period[resolution] + * 64 periods/second[frequency] + * 256*64 interrupts/second + * F_CPU/(256*64) clocks/interrupt + */ +#define SLEEP_LED_TIMER_TOP F_CPU/(256*64) + +void sleep_led_init(void) +{ + /* Timer1 setup */ + /* CTC mode */ + TCCR1B |= _BV(WGM12); + /* Clock selelct: clk/1 */ + TCCR1B |= _BV(CS10); + /* Set TOP value */ + uint8_t sreg = SREG; + cli(); + OCR1AH = (SLEEP_LED_TIMER_TOP>>8)&0xff; + OCR1AL = SLEEP_LED_TIMER_TOP&0xff; + SREG = sreg; +} + +void sleep_led_enable(void) +{ + /* Enable Compare Match Interrupt */ + TIMSK1 |= _BV(OCIE1A); +} + +void sleep_led_disable(void) +{ + /* Disable Compare Match Interrupt */ + TIMSK1 &= ~_BV(OCIE1A); +} + +void sleep_led_toggle(void) +{ + /* Disable Compare Match Interrupt */ + TIMSK1 ^= _BV(OCIE1A); +} + + +/* Breathing Sleep LED brighness(PWM On period) table + * (64[steps] * 4[duration]) / 64[PWM periods/s] = 4 second breath cycle + * + * http://www.wolframalpha.com/input/?i=%28sin%28+x%2F64*pi%29**8+*+255%2C+x%3D0+to+63 + * (0..63).each {|x| p ((sin(x/64.0*PI)**8)*255).to_i } + */ +static const uint8_t breathing_table[64] PROGMEM = { +0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 6, 10, +15, 23, 32, 44, 58, 74, 93, 113, 135, 157, 179, 199, 218, 233, 245, 252, +255, 252, 245, 233, 218, 199, 179, 157, 135, 113, 93, 74, 58, 44, 32, 23, +15, 10, 6, 4, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +ISR(TIMER1_COMPA_vect) +{ + /* Software PWM + * timer:1111 1111 1111 1111 + * \_____/\/ \_______/____ count(0-255) + * \ \______________ duration of step(4) + * \__________________ index of step table(0-63) + */ + static union { + uint16_t row; + struct { + uint8_t count:8; + uint8_t duration:2; + uint8_t index:6; + } pwm; + } timer = { .row = 0 }; + + timer.row++; + + // LED on + if (timer.pwm.count == 0) { + led_set(1<<USB_LED_CAPS_LOCK); + } + // LED off + if (timer.pwm.count == pgm_read_byte(&breathing_table[timer.pwm.index])) { + led_set(0); + } +} |