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Commit1b4f688

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Ayush1325DhruvaG2000
authored andcommitted
zephyrCommon: Add tone and noTone
- Add implementation of tone and noTone- Use another one-shot timer to stop the first timer.- Silence when frequency = 0Signed-off-by: Ayush Singh <ayushdevel1325@gmail.com>
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‎cores/arduino/zephyrCommon.cpp‎

Lines changed: 45 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -210,6 +210,51 @@ PinStatus digitalRead(pin_size_t pinNumber) {
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return (gpio_pin_get_dt(&arduino_pins[pinNumber]) ==1) ? HIGH : LOW;
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}
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structk_timer arduino_pin_timers[ARRAY_SIZE(arduino_pins)];
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structk_timer arduino_pin_timers_timeout[ARRAY_SIZE(arduino_pins)];
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voidtone_expiry_cb(structk_timer *timer) {
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conststructgpio_dt_spec *spec = (gpio_dt_spec*)k_timer_user_data_get(timer);
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gpio_pin_toggle_dt(spec);
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}
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voidtone_timeout_cb(structk_timer *timer) {
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pin_size_t pinNumber = (pin_size_t)(uintptr_t)k_timer_user_data_get(timer);
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noTone(pinNumber);
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}
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voidtone(pin_size_t pinNumber,unsignedint frequency,unsignedlong duration) {
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structk_timer *timer = &arduino_pin_timers[pinNumber];
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conststructgpio_dt_spec *spec = &arduino_pins[pinNumber];
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k_timeout_t timeout;
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pinMode(pinNumber, OUTPUT);
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if (frequency ==0) {
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gpio_pin_set_dt(spec,0);
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return;
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}
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timeout =K_NSEC(NSEC_PER_SEC / (2 * frequency));
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k_timer_init(timer, tone_expiry_cb,NULL);
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k_timer_user_data_set(timer, (void*)spec);
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gpio_pin_set_dt(spec,1);
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k_timer_start(timer, timeout, timeout);
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if(duration >0) {
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timer = &arduino_pin_timers_timeout[pinNumber];
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k_timer_init(timer, tone_timeout_cb,NULL);
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k_timer_user_data_set(timer, (void*)(uintptr_t)pinNumber);
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k_timer_start(timer,K_MSEC(duration), K_NO_WAIT);
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}
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}
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voidnoTone(pin_size_t pinNumber) {
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k_timer_stop(&arduino_pin_timers[pinNumber]);
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gpio_pin_set_dt(&arduino_pins[pinNumber],0);
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}
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voiddelay(unsignedlong ms) {k_sleep(K_MSEC(ms)); }
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voiddelayMicroseconds(unsignedint us) {k_sleep(K_USEC(us)); }

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