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-rw-r--r--tmk_core/common/avr/eeconfig.c56
-rw-r--r--tmk_core/common/avr/sleep_led.c95
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 656938fb33..0000000000
--- 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 0000000000..dab3eb0f3c
--- /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);
+ }
+}