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clapperboard
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button press and character input reset sleep timeout

This commit is contained in:
King Kévin 2018-04-30 14:40:01 +02:00
parent 755b0a37b3
commit a05fa023e5
1 changed files with 24 additions and 5 deletions
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29
main.c
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@ -15,7 +15,7 @@
/** CuVoodoo clapperboard firmware (for STM32F103Cx micro-controller)
* @file main.c
* @author King Kévin <kingkevin@cuvoodoo.info>
* @date 2016-2017
* @date 2016-2018
*/
/* standard libraries */
@ -593,7 +593,12 @@ void main(void)
timer_enable_oc_output(TIM(BUZZER_TIMER), TIM_OC1); // enable output to generate PWM
timer_enable_oc_output(TIM(BUZZER_TIMER), TIM_OC1N); // enable output to generate PWM (complementary to be louder)
timer_enable_break_main_output(TIM(BUZZER_TIMER)); // enable master output
timer_generate_event(TIM(BUZZER_TIMER), TIM_EGR_UG); // generate update event to reload registers and reset counter
timer_generate_event(TIM(BUZZER_TIMER), TIM_EGR_UG); // generate update event to reload registers and reset counter
// switch buzzer off by removing the output from the PWM
gpio_clear(GPIO(BUZZER_1_PORT), GPIO(BUZZER_1_PIN));
gpio_set_mode(GPIO(BUZZER_1_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUZZER_1_PIN));
gpio_clear(GPIO(BUZZER_2_PORT), GPIO(BUZZER_2_PIN));
gpio_set_mode(GPIO(BUZZER_2_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUZZER_2_PIN));
printf("OK\n");
// setup GPIO for reading buttons
@ -628,12 +633,14 @@ void main(void)
action = true; // action has been performed
led_toggle(); // toggle LED to show activity
c = usart_getchar(); // store receive character
standby_timer = 0; // restart standby timer
char_flag = true; // notify character has been received
}
while (cdcacm_received) { // data received over USB
action = true; // action has been performed
led_toggle(); // toggle LED to show activity
c = cdcacm_getchar(); // store receive character
standby_timer = 0; // restart standby timer
char_flag = true; // notify character has been received
}
while (char_flag) { // user data received
@ -684,7 +691,15 @@ void main(void)
if (morse[morse_i]) { // skip empty codes
if (morse_i%2) { // switch buzzer on for odd code
timer_disable_counter(TIM(BUZZER_TIMER)); // stop buzzing
// switch buzzer off by removing the output from the PWM
gpio_clear(GPIO(BUZZER_1_PORT), GPIO(BUZZER_1_PIN));
gpio_set_mode(GPIO(BUZZER_1_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUZZER_1_PIN));
gpio_clear(GPIO(BUZZER_2_PORT), GPIO(BUZZER_2_PIN));
gpio_set_mode(GPIO(BUZZER_2_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUZZER_2_PIN));
} else {
// allow PWM to control the output
gpio_set_mode(GPIO(BUZZER_1_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO(BUZZER_1_PIN));
gpio_set_mode(GPIO(BUZZER_2_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO(BUZZER_2_PIN));
timer_enable_counter(TIM(BUZZER_TIMER)); // start buzzing
}
morse[morse_i]--; // decrement remaining buzzing time
@ -695,8 +710,11 @@ void main(void)
}
if (morse_i>=LENGTH(morse)) { // all codes done
morse_delay = -2; // Morse completed
gpio_clear(GPIO(BUZZER_1_PORT), GPIO(BUZZER_1_PIN)); // ensure it's not beeping
gpio_clear(GPIO(BUZZER_2_PORT), GPIO(BUZZER_2_PIN)); // ensure it's not beeping
// switch buzzer off by removing the output from the PWM
gpio_clear(GPIO(BUZZER_1_PORT), GPIO(BUZZER_1_PIN));
gpio_set_mode(GPIO(BUZZER_1_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUZZER_1_PIN));
gpio_clear(GPIO(BUZZER_2_PORT), GPIO(BUZZER_2_PIN));
gpio_set_mode(GPIO(BUZZER_2_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUZZER_2_PIN));
}
}
@ -741,7 +759,7 @@ void main(void)
uint16_t buttons_diff = buttons^buttons_new; // get difference
buttons = buttons_new; // save new state
if (buttons_diff) { // only do something if there is a change
//printf("button pressed: %016b\n", buttons);
printf("button pressed: %016b\n", buttons);
for (uint8_t number=0; number<LENGTH(numbers); number++) { // check buttons for every number
if (buttons_diff&(1<<numbers[number].up) || buttons_diff&(1<<numbers[number].down)) { // a button for the number has been pressed
if (buttons&(1<<numbers[number].up) && buttons&(1<<numbers[number].down)) { // both buttons are pressed
@ -823,6 +841,7 @@ void main(void)
}
}
}
standby_timer = 0; // restart standby timer
}
}