X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=quantum%2Fquantum.c;h=d98c601d991ab381e1375dedbe1dcad32d6a9d43;hb=7ec583e5efb276ce90a40a1df985de7d0d0b8f46;hp=0fe918b36511250f17d88dacf32a444e78217a02;hpb=a2090d5e863a580d71e29de104844d5fc4fbe036;p=qmk_firmware.git diff --git a/quantum/quantum.c b/quantum/quantum.c index 0fe918b36..d98c601d9 100644 --- a/quantum/quantum.c +++ b/quantum/quantum.c @@ -24,10 +24,6 @@ #include "outputselect.h" #endif -#ifndef TAPPING_TERM -#define TAPPING_TERM 200 -#endif - #ifndef BREATHING_PERIOD #define BREATHING_PERIOD 6 #endif @@ -196,30 +192,6 @@ void reset_keyboard(void) { bootloader_jump(); } -// Shift / paren setup - -#ifndef LSPO_KEY - #define LSPO_KEY KC_9 -#endif -#ifndef RSPC_KEY - #define RSPC_KEY KC_0 -#endif - -#ifndef LSPO_MOD - #define LSPO_MOD KC_LSFT -#endif -#ifndef RSPC_MOD - #define RSPC_MOD KC_RSFT -#endif - -// Shift / Enter setup -#ifndef SFTENT_KEY - #define SFTENT_KEY KC_ENT -#endif - -static bool shift_interrupted[2] = {0, 0}; -static uint16_t scs_timer[2] = {0, 0}; - /* true if the last press of GRAVE_ESC was shifted (i.e. GUI or SHIFT were pressed), false otherwise. * Used to ensure that the correct keycode is released if the key is released. */ @@ -286,7 +258,7 @@ bool process_record_quantum(keyrecord_t *record) { #ifdef HAPTIC_ENABLE process_haptic(keycode, record) && #endif //HAPTIC_ENABLE - #if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_KEYREACTIVE_ENABLED) + #if defined(RGB_MATRIX_ENABLE) process_rgb_matrix(keycode, record) && #endif process_record_kb(keycode, record) && @@ -322,6 +294,9 @@ bool process_record_quantum(keyrecord_t *record) { #endif #ifdef TERMINAL_ENABLE process_terminal(keycode, record) && + #endif + #ifdef SPACE_CADET_ENABLE + process_space_cadet(keycode, record) && #endif true)) { return false; @@ -337,8 +312,12 @@ bool process_record_quantum(keyrecord_t *record) { return false; case DEBUG: if (record->event.pressed) { - debug_enable = true; + debug_enable ^= 1; + if (debug_enable) { print("DEBUG: enabled.\n"); + } else { + print("DEBUG: disabled.\n"); + } } return false; case EEPROM_RESET: @@ -679,92 +658,6 @@ bool process_record_quantum(keyrecord_t *record) { return false; } break; - case KC_LSPO: { - if (record->event.pressed) { - shift_interrupted[0] = false; - scs_timer[0] = timer_read (); - register_mods(MOD_BIT(KC_LSFT)); - } - else { - #ifdef DISABLE_SPACE_CADET_ROLLOVER - if (get_mods() & MOD_BIT(RSPC_MOD)) { - shift_interrupted[0] = true; - shift_interrupted[1] = true; - } - #endif - if (!shift_interrupted[0] && timer_elapsed(scs_timer[0]) < TAPPING_TERM) { - #ifdef DISABLE_SPACE_CADET_MODIFIER - unregister_mods(MOD_BIT(KC_LSFT)); - #else - if( LSPO_MOD != KC_LSFT ){ - unregister_mods(MOD_BIT(KC_LSFT)); - register_mods(MOD_BIT(LSPO_MOD)); - } - #endif - register_code(LSPO_KEY); - unregister_code(LSPO_KEY); - #ifndef DISABLE_SPACE_CADET_MODIFIER - if( LSPO_MOD != KC_LSFT ){ - unregister_mods(MOD_BIT(LSPO_MOD)); - } - #endif - } - unregister_mods(MOD_BIT(KC_LSFT)); - } - return false; - } - - case KC_RSPC: { - if (record->event.pressed) { - shift_interrupted[1] = false; - scs_timer[1] = timer_read (); - register_mods(MOD_BIT(KC_RSFT)); - } - else { - #ifdef DISABLE_SPACE_CADET_ROLLOVER - if (get_mods() & MOD_BIT(LSPO_MOD)) { - shift_interrupted[0] = true; - shift_interrupted[1] = true; - } - #endif - if (!shift_interrupted[1] && timer_elapsed(scs_timer[1]) < TAPPING_TERM) { - #ifdef DISABLE_SPACE_CADET_MODIFIER - unregister_mods(MOD_BIT(KC_RSFT)); - #else - if( RSPC_MOD != KC_RSFT ){ - unregister_mods(MOD_BIT(KC_RSFT)); - register_mods(MOD_BIT(RSPC_MOD)); - } - #endif - register_code(RSPC_KEY); - unregister_code(RSPC_KEY); - #ifndef DISABLE_SPACE_CADET_MODIFIER - if ( RSPC_MOD != KC_RSFT ){ - unregister_mods(MOD_BIT(RSPC_MOD)); - } - #endif - } - unregister_mods(MOD_BIT(KC_RSFT)); - } - return false; - } - - case KC_SFTENT: { - if (record->event.pressed) { - shift_interrupted[1] = false; - scs_timer[1] = timer_read (); - register_mods(MOD_BIT(KC_RSFT)); - } - else if (!shift_interrupted[1] && timer_elapsed(scs_timer[1]) < TAPPING_TERM) { - unregister_mods(MOD_BIT(KC_RSFT)); - register_code(SFTENT_KEY); - unregister_code(SFTENT_KEY); - } - else { - unregister_mods(MOD_BIT(KC_RSFT)); - } - return false; - } case GRAVE_ESC: { uint8_t shifted = get_mods() & ((MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT) @@ -814,28 +707,24 @@ bool process_record_quantum(keyrecord_t *record) { #if defined(BACKLIGHT_ENABLE) && defined(BACKLIGHT_BREATHING) case BL_BRTG: { - if (record->event.pressed) - breathing_toggle(); + if (record->event.pressed) { + backlight_toggle_breathing(); + } return false; } #endif - - default: { - shift_interrupted[0] = true; - shift_interrupted[1] = true; - break; - } } return process_action_kb(record); } __attribute__ ((weak)) -const bool ascii_to_shift_lut[0x80] PROGMEM = { +const bool ascii_to_shift_lut[128] PROGMEM = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -851,11 +740,12 @@ const bool ascii_to_shift_lut[0x80] PROGMEM = { }; __attribute__ ((weak)) -const bool ascii_to_alt_lut[0x80] PROGMEM = { +const bool ascii_to_altgr_lut[128] PROGMEM = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -871,23 +761,40 @@ const bool ascii_to_alt_lut[0x80] PROGMEM = { }; __attribute__ ((weak)) -const uint8_t ascii_to_keycode_lut[0x80] PROGMEM = { - 0, 0, 0, 0, 0, 0, 0, 0, - KC_BSPC, KC_TAB, KC_ENT, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, KC_ESC, 0, 0, 0, 0, - KC_SPC, KC_1, KC_QUOT, KC_3, KC_4, KC_5, KC_7, KC_QUOT, - KC_9, KC_0, KC_8, KC_EQL, KC_COMM, KC_MINS, KC_DOT, KC_SLSH, - KC_0, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, - KC_8, KC_9, KC_SCLN, KC_SCLN, KC_COMM, KC_EQL, KC_DOT, KC_SLSH, - KC_2, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G, - KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O, - KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W, - KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_6, KC_MINS, - KC_GRV, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G, - KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O, - KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W, - KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_GRV, KC_DEL +const uint8_t ascii_to_keycode_lut[128] PROGMEM = { + // NUL SOH STX ETX EOT ENQ ACK BEL + XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, + // BS TAB LF VT FF CR SO SI + KC_BSPC, KC_TAB, KC_ENT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, + // DLE DC1 DC2 DC3 DC4 NAK SYN ETB + XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, + // CAN EM SUB ESC FS GS RS US + XXXXXXX, XXXXXXX, XXXXXXX, KC_ESC, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, + + // ! " # $ % & ' + KC_SPC, KC_1, KC_QUOT, KC_3, KC_4, KC_5, KC_7, KC_QUOT, + // ( ) * + , - . / + KC_9, KC_0, KC_8, KC_EQL, KC_COMM, KC_MINS, KC_DOT, KC_SLSH, + // 0 1 2 3 4 5 6 7 + KC_0, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, + // 8 9 : ; < = > ? + KC_8, KC_9, KC_SCLN, KC_SCLN, KC_COMM, KC_EQL, KC_DOT, KC_SLSH, + // @ A B C D E F G + KC_2, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G, + // H I J K L M N O + KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O, + // P Q R S T U V W + KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W, + // X Y Z [ \ ] ^ _ + KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_6, KC_MINS, + // ` a b c d e f g + KC_GRV, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G, + // h i j k l m n o + KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O, + // p q r s t u v w + KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W, + // x y z { | } ~ DEL + KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_GRV, KC_DEL }; void send_string(const char *str) { @@ -951,22 +858,23 @@ void send_string_with_delay_P(const char *str, uint8_t interval) { } void send_char(char ascii_code) { - uint8_t keycode; - bool is_shifted; - bool is_alted; - - keycode = pgm_read_byte(&ascii_to_keycode_lut[(uint8_t)ascii_code]); - if (pgm_read_byte(&ascii_to_shift_lut[(uint8_t)ascii_code])) { is_shifted = true; } else { is_shifted = false; } - if (pgm_read_byte(&ascii_to_alt_lut[(uint8_t)ascii_code])) { is_alted = true; } else { is_alted = false; } - - if (is_shifted) { register_code(KC_LSFT); } - if (is_alted) { register_code(KC_RALT); } + uint8_t keycode = pgm_read_byte(&ascii_to_keycode_lut[(uint8_t)ascii_code]); + bool is_shifted = pgm_read_byte(&ascii_to_shift_lut[(uint8_t)ascii_code]); + bool is_altgred = pgm_read_byte(&ascii_to_altgr_lut[(uint8_t)ascii_code]); - register_code(keycode); - unregister_code(keycode); - - if (is_alted) { unregister_code(KC_RALT); } - if (is_shifted) { unregister_code(KC_LSFT); } + if (is_shifted) { + register_code(KC_LSFT); + } + if (is_altgred) { + register_code(KC_RALT); + } + tap_code(keycode); + if (is_altgred) { + unregister_code(KC_RALT); + } + if (is_shifted) { + unregister_code(KC_LSFT); + } } void set_single_persistent_default_layer(uint8_t default_layer) { @@ -1083,6 +991,9 @@ void matrix_init_quantum() { #ifdef HAPTIC_ENABLE haptic_init(); #endif + #ifdef OUTPUT_AUTO_ENABLE + set_output(OUTPUT_AUTO); + #endif matrix_init_kb(); } @@ -1121,64 +1032,175 @@ void matrix_scan_quantum() { matrix_scan_kb(); } -#if defined(BACKLIGHT_ENABLE) && defined(BACKLIGHT_PIN) +#if defined(BACKLIGHT_ENABLE) && (defined(BACKLIGHT_PIN) || defined(BACKLIGHT_PINS)) -static const uint8_t backlight_pin = BACKLIGHT_PIN; +// The logic is a bit complex, we support 3 setups: +// 1. hardware PWM when backlight is wired to a PWM pin +// depending on this pin, we use a different output compare unit +// 2. software PWM with hardware timers, but the used timer depends +// on the audio setup (audio wins other backlight) +// 3. full software PWM -// depending on the pin, we use a different output compare unit #if BACKLIGHT_PIN == B7 +# define HARDWARE_PWM # define TCCRxA TCCR1A # define TCCRxB TCCR1B # define COMxx1 COM1C1 # define OCRxx OCR1C +# define TIMERx_OVF_vect TIMER1_OVF_vect +# define TOIEx TOIE1 # define ICRx ICR1 +# define TIMSKx TIMSK1 #elif BACKLIGHT_PIN == B6 +# define HARDWARE_PWM # define TCCRxA TCCR1A # define TCCRxB TCCR1B # define COMxx1 COM1B1 # define OCRxx OCR1B +# define TIMERx_OVF_vect TIMER1_OVF_vect +# define TOIEx TOIE1 # define ICRx ICR1 +# define TIMSKx TIMSK1 #elif BACKLIGHT_PIN == B5 +# define HARDWARE_PWM # define TCCRxA TCCR1A # define TCCRxB TCCR1B # define COMxx1 COM1A1 # define OCRxx OCR1A +# define TIMERx_OVF_vect TIMER1_OVF_vect +# define TOIEx TOIE1 # define ICRx ICR1 +# define TIMSKx TIMSK1 #elif BACKLIGHT_PIN == C6 +# define HARDWARE_PWM # define TCCRxA TCCR3A # define TCCRxB TCCR3B -# define COMxx1 COM1A1 +# define COMxx1 COM3A1 # define OCRxx OCR3A +# define TIMERx_OVF_vect TIMER3_OVF_vect +# define TOIEx TOIE3 # define ICRx ICR3 +# define TIMSKx TIMSK3 #elif defined(__AVR_ATmega32A__) && BACKLIGHT_PIN == D4 # define TCCRxA TCCR1A # define TCCRxB TCCR1B # define COMxx1 COM1B1 # define OCRxx OCR1B +# define TIMERx_OVF_vect TIMER1_OVF_vect +# define TOIEx TOIE1 # define ICRx ICR1 -# define TIMSK1 TIMSK +# define TIMSKx TIMSK1 #else -# define NO_HARDWARE_PWM +# if !defined(BACKLIGHT_CUSTOM_DRIVER) +# if !defined(B5_AUDIO) && !defined(B6_AUDIO) && !defined(B7_AUDIO) + // timer 1 is not used by audio , backlight can use it +#pragma message "Using hardware timer 1 with software PWM" +# define HARDWARE_PWM +# define BACKLIGHT_PWM_TIMER +# define TCCRxA TCCR1A +# define TCCRxB TCCR1B +# define OCRxx OCR1A +# define TIMERx_COMPA_vect TIMER1_COMPA_vect +# define TIMERx_OVF_vect TIMER1_OVF_vect +# define OCIExA OCIE1A +# define TOIEx TOIE1 +# define ICRx ICR1 +# if defined(__AVR_ATmega32A__) // This MCU has only one TIMSK register +# define TIMSKx TIMSK +# else +# define TIMSKx TIMSK1 +# endif +# elif !defined(C6_AUDIO) && !defined(C5_AUDIO) && !defined(C4_AUDIO) +#pragma message "Using hardware timer 3 with software PWM" +// timer 3 is not used by audio, backlight can use it +# define HARDWARE_PWM +# define BACKLIGHT_PWM_TIMER +# define TCCRxA TCCR3A +# define TCCRxB TCCR3B +# define OCRxx OCR3A +# define TIMERx_COMPA_vect TIMER3_COMPA_vect +# define TIMERx_OVF_vect TIMER3_OVF_vect +# define OCIExA OCIE3A +# define TOIEx TOIE3 +# define ICRx ICR1 +# define TIMSKx TIMSK3 +# else +#pragma message "Audio in use - using pure software PWM" +#define NO_HARDWARE_PWM +# endif +# else +#pragma message "Custom driver defined - using pure software PWM" +#define NO_HARDWARE_PWM +# endif #endif #ifndef BACKLIGHT_ON_STATE #define BACKLIGHT_ON_STATE 0 #endif -#ifdef NO_HARDWARE_PWM // pwm through software +void backlight_on(uint8_t backlight_pin) { +#if BACKLIGHT_ON_STATE == 0 + writePinLow(backlight_pin); +#else + writePinHigh(backlight_pin); +#endif +} -__attribute__ ((weak)) +void backlight_off(uint8_t backlight_pin) { +#if BACKLIGHT_ON_STATE == 0 + writePinHigh(backlight_pin); +#else + writePinLow(backlight_pin); +#endif +} + + +#if defined(NO_HARDWARE_PWM) || defined(BACKLIGHT_PWM_TIMER) // pwm through software + +// we support multiple backlight pins +#ifndef BACKLIGHT_LED_COUNT +#define BACKLIGHT_LED_COUNT 1 +#endif + +#if BACKLIGHT_LED_COUNT == 1 +#define BACKLIGHT_PIN_INIT { BACKLIGHT_PIN } +#else +#define BACKLIGHT_PIN_INIT BACKLIGHT_PINS +#endif + +#define FOR_EACH_LED(x) \ + for (uint8_t i = 0; i < BACKLIGHT_LED_COUNT; i++) \ + { \ + uint8_t backlight_pin = backlight_pins[i]; \ + { \ + x \ + } \ + } + +static const uint8_t backlight_pins[BACKLIGHT_LED_COUNT] = BACKLIGHT_PIN_INIT; + +#else // full hardware PWM + +// we support only one backlight pin +static const uint8_t backlight_pin = BACKLIGHT_PIN; +#define FOR_EACH_LED(x) x + +#endif + +#ifdef NO_HARDWARE_PWM +__attribute__((weak)) void backlight_init_ports(void) { // Setup backlight pin as output and output to on state. - // DDRx |= n - _SFR_IO8((backlight_pin >> 4) + 1) |= _BV(backlight_pin & 0xF); - #if BACKLIGHT_ON_STATE == 0 - // PORTx &= ~n - _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); - #else - // PORTx |= n - _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); + FOR_EACH_LED( + setPinOutput(backlight_pin); + backlight_on(backlight_pin); + ) + + #ifdef BACKLIGHT_BREATHING + if (is_backlight_breathing()) { + breathing_enable(); + } #endif } @@ -1190,21 +1212,14 @@ uint8_t backlight_tick = 0; #ifndef BACKLIGHT_CUSTOM_DRIVER void backlight_task(void) { if ((0xFFFF >> ((BACKLIGHT_LEVELS - get_backlight_level()) * ((BACKLIGHT_LEVELS + 1) / 2))) & (1 << backlight_tick)) { - #if BACKLIGHT_ON_STATE == 0 - // PORTx &= ~n - _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); - #else - // PORTx |= n - _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); - #endif - } else { - #if BACKLIGHT_ON_STATE == 0 - // PORTx |= n - _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); - #else - // PORTx &= ~n - _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); - #endif + FOR_EACH_LED( + backlight_on(backlight_pin); + ) + } + else { + FOR_EACH_LED( + backlight_off(backlight_pin); + ) } backlight_tick = (backlight_tick + 1) % 16; } @@ -1216,7 +1231,54 @@ void backlight_task(void) { #endif #endif -#else // pwm through timer +#else // hardware pwm through timer + +#ifdef BACKLIGHT_PWM_TIMER + +// The idea of software PWM assisted by hardware timers is the following +// we use the hardware timer in fast PWM mode like for hardware PWM, but +// instead of letting the Output Match Comparator control the led pin +// (which is not possible since the backlight is not wired to PWM pins on the +// CPU), we do the LED on/off by oursleves. +// The timer is setup to count up to 0xFFFF, and we set the Output Compare +// register to the current 16bits backlight level (after CIE correction). +// This means the CPU will trigger a compare match interrupt when the counter +// reaches the backlight level, where we turn off the LEDs, +// but also an overflow interrupt when the counter rolls back to 0, +// in which we're going to turn on the LEDs. +// The LED will then be on for OCRxx/0xFFFF time, adjusted every 244Hz. + +// Triggered when the counter reaches the OCRx value +ISR(TIMERx_COMPA_vect) { + FOR_EACH_LED( + backlight_off(backlight_pin); + ) +} + +// Triggered when the counter reaches the TOP value +// this one triggers at F_CPU/65536 =~ 244 Hz +ISR(TIMERx_OVF_vect) { +#ifdef BACKLIGHT_BREATHING + if(is_breathing()) { + breathing_task(); + } +#endif + // for very small values of OCRxx (or backlight level) + // we can't guarantee this whole code won't execute + // at the same time as the compare match interrupt + // which means that we might turn on the leds while + // trying to turn them off, leading to flickering + // artifacts (especially while breathing, because breathing_task + // takes many computation cycles). + // so better not turn them on while the counter TOP is very low. + if (OCRxx > 256) { + FOR_EACH_LED( + backlight_on(backlight_pin); + ) + } +} + +#endif #define TIMER_TOP 0xFFFFU @@ -1248,11 +1310,28 @@ void backlight_set(uint8_t level) { level = BACKLIGHT_LEVELS; if (level == 0) { + #ifdef BACKLIGHT_PWM_TIMER + if (OCRxx) { + TIMSKx &= ~(_BV(OCIExA)); + TIMSKx &= ~(_BV(TOIEx)); + FOR_EACH_LED( + backlight_off(backlight_pin); + ) + } + #else // Turn off PWM control on backlight pin TCCRxA &= ~(_BV(COMxx1)); + #endif } else { + #ifdef BACKLIGHT_PWM_TIMER + if (!OCRxx) { + TIMSKx |= _BV(OCIExA); + TIMSKx |= _BV(TOIEx); + } + #else // Turn on PWM control of backlight pin TCCRxA |= _BV(COMxx1); + #endif } // Set the brightness set_pwm(cie_lightness(TIMER_TOP * (uint32_t)level / BACKLIGHT_LEVELS)); @@ -1272,12 +1351,25 @@ static uint8_t breathing_period = BREATHING_PERIOD; static uint8_t breathing_halt = BREATHING_NO_HALT; static uint16_t breathing_counter = 0; +#ifdef BACKLIGHT_PWM_TIMER +static bool breathing = false; + +bool is_breathing(void) { + return breathing; +} + +#define breathing_interrupt_enable() do { breathing = true; } while (0) +#define breathing_interrupt_disable() do { breathing = false; } while (0) +#else + bool is_breathing(void) { - return !!(TIMSK1 & _BV(TOIE1)); + return !!(TIMSKx & _BV(TOIEx)); } -#define breathing_interrupt_enable() do {TIMSK1 |= _BV(TOIE1);} while (0) -#define breathing_interrupt_disable() do {TIMSK1 &= ~_BV(TOIE1);} while (0) +#define breathing_interrupt_enable() do {TIMSKx |= _BV(TOIEx);} while (0) +#define breathing_interrupt_disable() do {TIMSKx &= ~_BV(TOIEx);} while (0) +#endif + #define breathing_min() do {breathing_counter = 0;} while (0) #define breathing_max() do {breathing_counter = breathing_period * 244 / 2;} while (0) @@ -1351,10 +1443,14 @@ static inline uint16_t scale_backlight(uint16_t v) { return v / BACKLIGHT_LEVELS * get_backlight_level(); } +#ifdef BACKLIGHT_PWM_TIMER +void breathing_task(void) +#else /* Assuming a 16MHz CPU clock and a timer that resets at 64k (ICR1), the following interrupt handler will run * about 244 times per second. */ -ISR(TIMER1_OVF_vect) +ISR(TIMERx_OVF_vect) +#endif { uint16_t interval = (uint16_t) breathing_period * 244 / BREATHING_STEPS; // resetting after one period to prevent ugly reset at overflow. @@ -1376,19 +1472,21 @@ __attribute__ ((weak)) void backlight_init_ports(void) { // Setup backlight pin as output and output to on state. - // DDRx |= n - _SFR_IO8((backlight_pin >> 4) + 1) |= _BV(backlight_pin & 0xF); - #if BACKLIGHT_ON_STATE == 0 - // PORTx &= ~n - _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); - #else - // PORTx |= n - _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); - #endif + FOR_EACH_LED( + setPinOutput(backlight_pin); + backlight_on(backlight_pin); + ) + // I could write a wall of text here to explain... but TL;DW // Go read the ATmega32u4 datasheet. // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on +#ifdef BACKLIGHT_PWM_TIMER + // TimerX setup, Fast PWM mode count to TOP set in ICRx + TCCRxA = _BV(WGM11); // = 0b00000010; + // clock select clk/1 + TCCRxB = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001; +#else // hardware PWM // Pin PB7 = OCR1C (Timer 1, Channel C) // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0 // (i.e. start high, go low when counter matches.) @@ -1400,20 +1498,23 @@ void backlight_init_ports(void) "In fast PWM mode, the compare units allow generation of PWM waveforms on the OCnx pins. Setting the COMnx1:0 bits to two will produce a non-inverted PWM [..]." "In fast PWM mode the counter is incremented until the counter value matches either one of the fixed values 0x00FF, 0x01FF, or 0x03FF (WGMn3:0 = 5, 6, or 7), the value in ICRn (WGMn3:0 = 14), or the value in OCRnA (WGMn3:0 = 15)." */ - TCCRxA = _BV(COMxx1) | _BV(WGM11); // = 0b00001010; + TCCRxA = _BV(COMxx1) | _BV(WGM11); // = 0b00001010; TCCRxB = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001; +#endif // Use full 16-bit resolution. Counter counts to ICR1 before reset to 0. ICRx = TIMER_TOP; backlight_init(); #ifdef BACKLIGHT_BREATHING - breathing_enable(); + if (is_backlight_breathing()) { + breathing_enable(); + } #endif } -#endif // NO_HARDWARE_PWM +#endif // hardware backlight -#else // backlight +#else // no backlight __attribute__ ((weak)) void backlight_init_ports(void) {} @@ -1507,23 +1608,6 @@ void led_init_ports(void) __attribute__ ((weak)) void led_set(uint8_t usb_led) { - - // Example LED Code - // - // // Using PE6 Caps Lock LED - // if (usb_led & (1<