# Add your source files here.
SRCS += \
+ ./watch-library/hardware/watch/watch_buzzer.c \
./watch-library/hardware/watch/watch_gpio.c \
+ ./watch-library/hardware/watch/watch_led.c \
./app.c \
# Finally, leave this line at the bottom of the file.
}
void app_setup(void) {
- watch_enable_digital_output(HAL_GPIO_GREEN_pin());
+ watch_enable_leds();
}
bool app_loop(void) {
- watch_set_pin_level(HAL_GPIO_GREEN_pin(), true);
+ watch_set_led_yellow();
delay_ms(500);
- watch_set_pin_level(HAL_GPIO_GREEN_pin(), false);
+ watch_set_led_off();
delay_ms(500);
return false;
}
}
-bool watch_is_buzzer_or_led_enabled(void){
- return hri_mclk_get_APBCMASK_TCC0_bit(MCLK);
-}
-
bool watch_is_usb_enabled(void) {
return USB->DEVICE.CTRLA.bit.ENABLE;
}
*/
#include "watch_buzzer.h"
-#include "watch_private_buzzer.h"
-#include "../../../watch-library/hardware/include/saml22j18a.h"
-#include "../../../watch-library/hardware/include/component/tc.h"
-#include "../../../watch-library/hardware/hri/hri_tc_l22.h"
+#include "watch_private.h"
+#include "delay.h"
+#include "tcc.h"
-void cb_watch_buzzer_seq(void);
+void _watch_enable_tcc(void);
-static uint16_t _seq_position;
-static int8_t _tone_ticks, _repeat_counter;
-static bool _callback_running = false;
-static int8_t *_sequence;
-static void (*_cb_finished)(void);
-
-static void _tcc_write_RUNSTDBY(bool value) {
- // enables or disables RUNSTDBY of the tcc
- hri_tcc_clear_CTRLA_ENABLE_bit(TCC0);
- hri_tcc_write_CTRLA_RUNSTDBY_bit(TCC0, value);
- hri_tcc_set_CTRLA_ENABLE_bit(TCC0);
- hri_tcc_wait_for_sync(TCC0, TCC_SYNCBUSY_ENABLE);
-}
-
-static inline void _tc3_start() {
- // start the TC3 timer
- hri_tc_set_CTRLA_ENABLE_bit(TC3);
- _callback_running = true;
-}
-
-static inline void _tc3_stop() {
- // stop the TC3 timer
- hri_tc_clear_CTRLA_ENABLE_bit(TC3);
- hri_tc_wait_for_sync(TC3, TC_SYNCBUSY_ENABLE);
- _callback_running = false;
-}
-
-static void _tc3_initialize() {
- // setup and initialize TC3 for a 64 Hz interrupt
- hri_mclk_set_APBCMASK_TC3_bit(MCLK);
- hri_gclk_write_PCHCTRL_reg(GCLK, TC3_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK3 | GCLK_PCHCTRL_CHEN);
- _tc3_stop();
- hri_tc_write_CTRLA_reg(TC3, TC_CTRLA_SWRST);
- hri_tc_wait_for_sync(TC3, TC_SYNCBUSY_SWRST);
- hri_tc_write_CTRLA_reg(TC3, TC_CTRLA_PRESCALER_DIV64 |
- TC_CTRLA_MODE_COUNT8 |
- TC_CTRLA_RUNSTDBY);
- hri_tccount8_write_PER_reg(TC3, 7); // 32 Khz divided by 64 divided by 8 equals 64 Hz
- hri_tc_set_INTEN_OVF_bit(TC3);
- NVIC_ClearPendingIRQ(TC3_IRQn);
- NVIC_EnableIRQ (TC3_IRQn);
-}
-
-void watch_buzzer_play_sequence(int8_t *note_sequence, void (*callback_on_end)(void)) {
- if (_callback_running) _tc3_stop();
- watch_set_buzzer_off();
- _sequence = note_sequence;
- _cb_finished = callback_on_end;
- _seq_position = 0;
- _tone_ticks = 0;
- _repeat_counter = -1;
- // prepare buzzer
- watch_enable_buzzer();
- // setup TC3 timer
- _tc3_initialize();
- // TCC should run in standby mode
- _tcc_write_RUNSTDBY(true);
- // start the timer (for the 64 hz callback)
- _tc3_start();
-}
-
-void cb_watch_buzzer_seq(void) {
- // callback for reading the note sequence
- if (_tone_ticks == 0) {
- if (_sequence[_seq_position] < 0 && _sequence[_seq_position + 1]) {
- // repeat indicator found
- if (_repeat_counter == -1) {
- // first encounter: load repeat counter
- _repeat_counter = _sequence[_seq_position + 1];
- } else _repeat_counter--;
- if (_repeat_counter > 0)
- // rewind
- if (_seq_position > _sequence[_seq_position] * -2)
- _seq_position += _sequence[_seq_position] * 2;
- else
- _seq_position = 0;
- else {
- // continue
- _seq_position += 2;
- _repeat_counter = -1;
- }
- }
- if (_sequence[_seq_position] && _sequence[_seq_position + 1]) {
- // read note
- BuzzerNote note = _sequence[_seq_position];
- if (note != BUZZER_NOTE_REST) {
- watch_set_buzzer_period(NotePeriods[note]);
- watch_set_buzzer_on();
- } else watch_set_buzzer_off();
- // set duration ticks and move to next tone
- _tone_ticks = _sequence[_seq_position + 1];
- _seq_position += 2;
- } else {
- // end the sequence
- watch_buzzer_abort_sequence();
- if (_cb_finished) _cb_finished();
- }
- } else _tone_ticks--;
-}
-
-void watch_buzzer_abort_sequence(void) {
- // ends/aborts the sequence
- if (_callback_running) _tc3_stop();
- watch_set_buzzer_off();
- // disable standby mode for TCC
- _tcc_write_RUNSTDBY(false);
-}
-
-void TC3_Handler(void) {
- // interrupt handler vor TC3 (globally!)
- cb_watch_buzzer_seq();
- TC3->COUNT8.INTFLAG.reg |= TC_INTFLAG_OVF;
+bool watch_is_buzzer_or_led_enabled(void){
+ return tcc_is_enabled(0);
}
inline void watch_enable_buzzer(void) {
- if (!hri_tcc_get_CTRLA_reg(TCC0, TCC_CTRLA_ENABLE)) {
+ if (!tcc_is_enabled(0)) {
_watch_enable_tcc();
}
}
inline void watch_set_buzzer_period(uint32_t period) {
- hri_tcc_write_PERBUF_reg(TCC0, period);
- hri_tcc_write_CCBUF_reg(TCC0, WATCH_BUZZER_TCC_CHANNEL, period / 2);
+ tcc_set_period(0, period, true);
+ tcc_set_cc(0, (WATCH_BUZZER_TCC_CHANNEL) % 4, period / 2, true);
}
void watch_disable_buzzer(void) {
}
inline void watch_set_buzzer_on(void) {
- gpio_set_pin_direction(BUZZER, GPIO_DIRECTION_OUT);
- gpio_set_pin_function(BUZZER, WATCH_BUZZER_TCC_PINMUX);
+ HAL_GPIO_BUZZER_out();
+ HAL_GPIO_BUZZER_pmuxen(HAL_GPIO_PMUX_TCC_ALT);
}
inline void watch_set_buzzer_off(void) {
- gpio_set_pin_direction(BUZZER, GPIO_DIRECTION_OFF);
- gpio_set_pin_function(BUZZER, GPIO_PIN_FUNCTION_OFF);
+ HAL_GPIO_BUZZER_pmuxdis();
+ HAL_GPIO_BUZZER_off();
}
void watch_buzzer_play_note(BuzzerNote note, uint16_t duration_ms) {
delay_ms(duration_ms);
watch_set_buzzer_off();
}
+
+void _watch_enable_tcc(void) {
+ // set up the TCC with a 1 MHz clock, but there's a trick:
+ if (USB->DEVICE.CTRLA.bit.ENABLE) {
+ // if USB is enabled, we are running an 8 MHz clock, so we divide by 8.
+ tcc_init(0, GENERIC_CLOCK_0, TCC_PRESCALER_DIV8);
+ } else {
+ // otherwise it's 4 Mhz and we divide by 4.
+ tcc_init(0, GENERIC_CLOCK_0, TCC_PRESCALER_DIV4);
+ }
+ // We're going to use normal PWM mode, which means period is controlled by PER, and duty cycle is controlled by
+ // each compare channel's value:
+ // * Buzzer tones are set by setting PER to the desired period for a given frequency, and CC[1] to half of that
+ // period (i.e. a square wave with a 50% duty cycle).
+ // * LEDs on CC[0] CC[2] and CC[3] can be set to any value from 0 (off) to PER (fully on).
+ tcc_set_wavegen(0, TCC_WAVEGEN_NORMAL_PWM);
+#ifdef WATCH_INVERT_LED_POLARITY
+ // invert all channels, we'll flip the buzzer back in just a moment.
+ // this is easier than writing a maze of #ifdefs.
+ tcc_set_channel_polarity(0, 4, TCC_CHANNEL_POLARITY_INVERTED);
+ tcc_set_channel_polarity(0, 5, TCC_CHANNEL_POLARITY_INVERTED);
+ tcc_set_channel_polarity(0, 6, TCC_CHANNEL_POLARITY_INVERTED);
+ tcc_set_channel_polarity(0, 7, TCC_CHANNEL_POLARITY_INVERTED);
+#endif // WATCH_INVERT_LED_POLARITY
+ tcc_set_channel_polarity(0, WATCH_BUZZER_TCC_CHANNEL, TCC_CHANNEL_POLARITY_NORMAL);
+
+ // Set the period to 1 kHz to start.
+ tcc_set_period(0, 1000, false);
+
+ // Set the duty cycle of all pins to 0: LED's off, buzzer not buzzing.
+ tcc_set_cc(0, (WATCH_BUZZER_TCC_CHANNEL) % 4, 0, false);
+ tcc_set_cc(0, (WATCH_RED_TCC_CHANNEL) % 4, 0, false);
+#ifdef WATCH_GREEN_TCC_CHANNEL
+ tcc_set_cc(0, (WATCH_GREEN_TCC_CHANNEL) % 4, 0, false);
+#endif
+#ifdef WATCH_BLUE_TCC_CHANNEL
+ tcc_set_cc(0, (WATCH_BLUE_TCC_CHANNEL) % 4, 0, false);
+#endif
+
+ // enable LED PWM pins (the LED driver assumes if the TCC is on, the pins are enabled)
+ HAL_GPIO_RED_pmuxen(HAL_GPIO_PMUX_TCC_ALT);
+ HAL_GPIO_RED_out();
+#ifdef WATCH_GREEN_TCC_CHANNEL
+ HAL_GPIO_GREEN_pmuxen(HAL_GPIO_PMUX_TCC_ALT);
+ HAL_GPIO_GREEN_out();
+#endif
+#ifdef WATCH_BLUE_TCC_CHANNEL
+ HAL_GPIO_BLUE_pmuxen(HAL_GPIO_PMUX_TCC_ALT);
+ HAL_GPIO_BLUE_out();
+#endif
+
+ // Enable the TCC
+ tcc_enable(0);
+}
+
+void _watch_disable_tcc(void) {
+ // disable all PWM pins
+ HAL_GPIO_BUZZER_pmuxdis();
+ HAL_GPIO_BUZZER_off();
+ HAL_GPIO_RED_pmuxdis();
+ HAL_GPIO_RED_off();
+#ifdef WATCH_GREEN_TCC_CHANNEL
+ HAL_GPIO_GREEN_pmuxdis();
+ HAL_GPIO_GREEN_off();
+#endif
+#ifdef WATCH_BLUE_TCC_CHANNEL
+ HAL_GPIO_BLUE_pmuxdis();
+ HAL_GPIO_BLUE_off();
+#endif
+ tcc_disable(0);
+}
*/
#include "watch_led.h"
+#include "watch_private.h"
+#include "tcc.h"
+
+void _watch_enable_tcc(void);
void watch_enable_leds(void) {
- if (!hri_tcc_get_CTRLA_reg(TCC0, TCC_CTRLA_ENABLE)) {
+ if (!tcc_is_enabled(0)) {
_watch_enable_tcc();
}
}
}
void watch_set_led_color_rgb(uint8_t red, uint8_t green, uint8_t blue) {
-#ifndef WATCH_BLUE_TCC_CHANNEL
- (void) blue; // silence warning
+ if (tcc_is_enabled(0)) {
+ uint32_t period = tcc_get_period(0);
+ tcc_set_cc(0, (WATCH_RED_TCC_CHANNEL) % 4, ((period * (uint32_t)red * 1000ull) / 255000ull), true);
+#ifdef WATCH_GREEN_TCC_CHANNEL
+ tcc_set_cc(0, (WATCH_GREEN_TCC_CHANNEL) % 4, ((period * (uint32_t)green * 1000ull) / 255000ull), true);
+#else
+ (void) green; // silence warning
#endif
- if (hri_tcc_get_CTRLA_reg(TCC0, TCC_CTRLA_ENABLE)) {
- uint32_t period = hri_tcc_get_PER_reg(TCC0, TCC_PER_MASK);
- hri_tcc_write_CCBUF_reg(TCC0, WATCH_RED_TCC_CHANNEL, ((period * red * 1000ull) / 255000ull));
- hri_tcc_write_CCBUF_reg(TCC0, WATCH_GREEN_TCC_CHANNEL, ((period * green * 1000ull) / 255000ull));
#ifdef WATCH_BLUE_TCC_CHANNEL
- hri_tcc_write_CCBUF_reg(TCC0, WATCH_BLUE_TCC_CHANNEL, ((period * blue * 1000ull) / 255000ull));
+ tcc_set_cc(0, (WATCH_BLUE_TCC_CHANNEL) % 4, ((period * (uint32_t)blue * 1000ull) / 255000ull), true);
+#else
+ (void) blue; // silence warning
#endif
}
}
void watch_set_led_red(void) {
- watch_set_led_color(255, 0);
+ watch_set_led_color_rgb(255, 0, 0);
}
void watch_set_led_green(void) {
- watch_set_led_color(0, 255);
+ watch_set_led_color_rgb(0, 255, 0);
}
void watch_set_led_yellow(void) {
- watch_set_led_color(255, 255);
+ watch_set_led_color_rgb(255, 255, 0);
}
void watch_set_led_off(void) {
- watch_set_led_color(0, 0);
+ watch_set_led_color_rgb(0, 0, 0);
}
hri_trng_write_CTRLA_reg(TRNG, 0);
}
-
-void _watch_enable_tcc(void) {
- // clock TCC0 with the main clock (8 MHz) and enable the peripheral clock.
- hri_gclk_write_PCHCTRL_reg(GCLK, TCC0_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK0_Val | GCLK_PCHCTRL_CHEN);
- hri_mclk_set_APBCMASK_TCC0_bit(MCLK);
- // disable and reset TCC0.
- hri_tcc_clear_CTRLA_ENABLE_bit(TCC0);
- hri_tcc_wait_for_sync(TCC0, TCC_SYNCBUSY_ENABLE);
- hri_tcc_write_CTRLA_reg(TCC0, TCC_CTRLA_SWRST);
- hri_tcc_wait_for_sync(TCC0, TCC_SYNCBUSY_SWRST);
- // divide the clock down to 1 MHz
- if (hri_usbdevice_get_CTRLA_ENABLE_bit(USB)) {
- // if USB is enabled, we are running an 8 MHz clock.
- hri_tcc_write_CTRLA_reg(TCC0, TCC_CTRLA_PRESCALER_DIV8);
- } else {
- // otherwise it's 4 Mhz.
- hri_tcc_write_CTRLA_reg(TCC0, TCC_CTRLA_PRESCALER_DIV4);
- }
- // We're going to use normal PWM mode, which means period is controlled by PER, and duty cycle is controlled by
- // each compare channel's value:
- // * Buzzer tones are set by setting PER to the desired period for a given frequency, and CC[1] to half of that
- // period (i.e. a square wave with a 50% duty cycle).
- // * LEDs on CC[2] and CC[3] can be set to any value from 0 (off) to PER (fully on).
- hri_tcc_write_WAVE_reg(TCC0, TCC_WAVE_WAVEGEN_NPWM);
-#ifdef WATCH_INVERT_LED_POLARITY
- // This is here for the dev board and Pro, which use a common anode LED (instead of common cathode like the actual watch).
- hri_tcc_set_WAVE_reg(TCC0, (1 << (TCC_WAVE_POL0_Pos + WATCH_RED_TCC_CHANNEL)) |
-#ifdef WATCH_BLUE_TCC_CHANNEL
- (1 << (TCC_WAVE_POL0_Pos + WATCH_BLUE_TCC_CHANNEL)) |
-#endif // WATCH_BLUE_TCC_CHANNEL
- (1 << (TCC_WAVE_POL0_Pos + WATCH_GREEN_TCC_CHANNEL)));
-#endif // WATCH_INVERT_LED_POLARITY
- // The buzzer will set the period depending on the tone it wants to play, but we have to set some period here to
- // get the LED working. Almost any period will do, tho it should be below 20000 (i.e. 50 Hz) to avoid flickering.
- hri_tcc_write_PER_reg(TCC0, 1024);
- // Set the duty cycle of all pins to 0: LED's off, buzzer not buzzing.
- hri_tcc_write_CC_reg(TCC0, WATCH_BUZZER_TCC_CHANNEL, 0);
- hri_tcc_write_CC_reg(TCC0, WATCH_RED_TCC_CHANNEL, 0);
- hri_tcc_write_CC_reg(TCC0, WATCH_GREEN_TCC_CHANNEL, 0);
-#ifdef WATCH_BLUE_TCC_CHANNEL
- hri_tcc_write_CC_reg(TCC0, WATCH_BLUE_TCC_CHANNEL, 0);
-#endif
- // Enable the TCC
- hri_tcc_set_CTRLA_ENABLE_bit(TCC0);
- hri_tcc_wait_for_sync(TCC0, TCC_SYNCBUSY_ENABLE);
-
- // enable LED PWM pins (the LED driver assumes if the TCC is on, the pins are enabled)
- gpio_set_pin_direction(RED, GPIO_DIRECTION_OUT);
- gpio_set_pin_function(RED, WATCH_RED_TCC_PINMUX);
- gpio_set_pin_direction(GREEN, GPIO_DIRECTION_OUT);
- gpio_set_pin_function(GREEN, WATCH_GREEN_TCC_PINMUX);
-#ifdef WATCH_BLUE_TCC_CHANNEL
- gpio_set_pin_direction(BLUE, GPIO_DIRECTION_OUT);
- gpio_set_pin_function(BLUE, WATCH_BLUE_TCC_PINMUX);
-#endif
-}
-
-void _watch_disable_tcc(void) {
- // disable all PWM pins
- gpio_set_pin_direction(BUZZER, GPIO_DIRECTION_OFF);
- gpio_set_pin_function(BUZZER, GPIO_PIN_FUNCTION_OFF);
- gpio_set_pin_direction(RED, GPIO_DIRECTION_OFF);
- gpio_set_pin_function(RED, GPIO_PIN_FUNCTION_OFF);
- gpio_set_pin_direction(GREEN, GPIO_DIRECTION_OFF);
- gpio_set_pin_function(GREEN, GPIO_PIN_FUNCTION_OFF);
-#ifdef WATCH_BLUE_TCC_CHANNEL
- gpio_set_pin_direction(BLUE, GPIO_DIRECTION_OFF);
- gpio_set_pin_function(BLUE, GPIO_PIN_FUNCTION_OFF);
-#endif
-
- // disable the TCC
- hri_tcc_clear_CTRLA_ENABLE_bit(TCC0);
- hri_mclk_clear_APBCMASK_TCC0_bit(MCLK);
-}
-
void _watch_enable_tc0(void) {
// before we init TinyUSB, we are going to need a periodic callback to handle TinyUSB tasks.
// TC2 and TC3 are reserved for devices on the 9-pin connector, so let's use TC0.
// #include "watch_rtc.h"
// #include "watch_slcd.h"
// #include "watch_extint.h"
-// #include "watch_led.h"
-// #include "watch_buzzer.h"
+#include "watch_led.h"
+#include "watch_buzzer.h"
// #include "watch_adc.h"
#include "watch_gpio.h"
// #include "watch_i2c.h"
// #include "watch_private.h"
-/** @brief Returns true if either the buzzer or the LED driver is enabled.
- * @details Both the buzzer and the LED use the TCC peripheral to drive their behavior. This function returns true if that
- * peripheral is enabled. You can use this function to determine whether you need to call the watch_disable_leds or
- * or watch_enable_buzzer functions before using these peripherals.
- */
-bool watch_is_buzzer_or_led_enabled(void);
-
/** @brief Returns true if USB is enabled.
*/
bool watch_is_usb_enabled(void);
#include "watch.h"
-/** @addtogroup buzzer Buzzer
+/** @brief Returns true if either the buzzer or the LED driver is enabled.
+ * @details Both the buzzer and the LED use the TCC peripheral to drive their behavior. This function returns true if that
+ * peripheral is enabled. You can use this function to determine whether you need to call the watch_disable_leds or
+ * or watch_enable_buzzer functions before using these peripherals.
+ */
+bool watch_is_buzzer_or_led_enabled(void);
+
+/** @addtogroup tcc Buzzer and LED Control (via the TCC peripheral)
* @brief This section covers functions related to the piezo buzzer embedded in the F-91W's back plate.
*/
/// @{
/// Initializes the real-time clock peripheral.
void _watch_rtc_init(void);
-/// Called by buzzer and LED setup functions. You should not call this from your app.
-void _watch_enable_tcc(void);
-
/// Called by buzzer and LED teardown functions. You should not call this from your app.
void _watch_disable_tcc(void);
static int8_t *_sequence;
static void (*_cb_finished)(void);
+void _watch_enable_tcc(void) {}
+
static inline void _em_interval_stop() {
emscripten_clear_interval(_em_interval_id);
_em_interval_id = 0;
return 0;
}
-void _watch_enable_tcc(void) {}
-
void _watch_disable_tcc(void) {}
void _watch_enable_usb(void) {}
projects / sensor-watch.git / commitdiff