diff options
Diffstat (limited to 'app/buzzer.c')
| -rw-r--r-- | app/buzzer.c | 205 |
1 files changed, 106 insertions, 99 deletions
diff --git a/app/buzzer.c b/app/buzzer.c index 4c45630..d6f1eb2 100644 --- a/app/buzzer.c +++ b/app/buzzer.c @@ -8,116 +8,125 @@ int ringing; #define C6 1047 #define E6 1319 -void buzzer_on(void) +void +buzzer_on (void) { - gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ, - GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, - GPIO_TIM1_CH1); - gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ, - GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, - GPIO_TIM1_CH1N); + gpio_set_mode (GPIOA, GPIO_MODE_OUTPUT_2_MHZ, + GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_TIM1_CH1); + gpio_set_mode (GPIOB, GPIO_MODE_OUTPUT_2_MHZ, + GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_TIM1_CH1N); - timer_reset(TIM1); + timer_reset (TIM1); - timer_set_mode(TIM1, TIM_CR1_CKD_CK_INT, TIM_CR1_CMS_CENTER_1, TIM_CR1_DIR_UP); - timer_set_oc_mode(TIM1, TIM_OC1, TIM_OCM_PWM2); - timer_enable_oc_output(TIM1, TIM_OC1); - timer_enable_oc_output(TIM1, TIM_OC1N); - timer_enable_break_main_output(TIM1); + timer_set_mode (TIM1, TIM_CR1_CKD_CK_INT, TIM_CR1_CMS_CENTER_1, + TIM_CR1_DIR_UP); + timer_set_oc_mode (TIM1, TIM_OC1, TIM_OCM_PWM2); + timer_enable_oc_output (TIM1, TIM_OC1); + timer_enable_oc_output (TIM1, TIM_OC1N); + timer_enable_break_main_output (TIM1); - timer_set_oc_value(TIM1, TIM_OC1, period/2); - timer_set_period(TIM1, period); + timer_set_oc_value (TIM1, TIM_OC1, period / 2); + timer_set_period (TIM1, period); - timer_enable_counter(TIM1); + timer_enable_counter (TIM1); } -void buzzer_off(void) + +void +buzzer_off (void) { gpio_set_mode (GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, GPIO8); - gpio_clear(GPIOA,GPIO8); + gpio_clear (GPIOA, GPIO8); gpio_set_mode (GPIOB, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, GPIO13); - gpio_clear(GPIOB,GPIO13); - timer_disable_counter(TIM1); + gpio_clear (GPIOB, GPIO13); + timer_disable_counter (TIM1); } -void buzzer_set_freq(int hz) +void +buzzer_set_freq (int hz) { - period=(48000000/4)/hz; - timer_set_oc_value(TIM1, TIM_OC1, period/2); - timer_set_period(TIM1, period); + period = (48000000 / 4) / hz; + timer_set_oc_value (TIM1, TIM_OC1, period / 2); + timer_set_period (TIM1, period); } -void buzzer_init(void) +void +buzzer_init (void) { - /*buzzer*/ - buzzer_off(); - buzzer_set_freq(440); + /*buzzer */ + buzzer_off (); + buzzer_set_freq (440); } -void ring_tick(void) +void +ring_tick (void) { -static int t; - -if (!ringing) return; -ringing--; - -if (!ringing) { - place=0; - buzzer_off(); - return; -} - - - -t++; -if (t<50) return; -t=0; - - -switch(place){ -case 1: -case 3: -case 5: -case 7: - -case 13: -case 15: -case 17: -case 19: - place++; - buzzer_set_freq(C6); - break; - -case 0: -case 12: - place++; - buzzer_set_freq(E6); - buzzer_on(); - break; -case 2: -case 4: -case 6: -case 14: -case 16: -case 18: - place++; - buzzer_set_freq(E6); - break; - -case 8: -case 20: - place++; - buzzer_off(); - break; - -default: - place++; - break; -case 59: - place=0; -} + static int t; + + if (!ringing) + return; + ringing--; + + if (!ringing) + { + place = 0; + buzzer_off (); + return; + } + + + + t++; + if (t < 50) + return; + t = 0; + + + switch (place) + { + case 1: + case 3: + case 5: + case 7: + + case 13: + case 15: + case 17: + case 19: + place++; + buzzer_set_freq (C6); + break; + + case 0: + case 12: + place++; + buzzer_set_freq (E6); + buzzer_on (); + break; + case 2: + case 4: + case 6: + case 14: + case 16: + case 18: + place++; + buzzer_set_freq (E6); + break; + + case 8: + case 20: + place++; + buzzer_off (); + break; + + default: + place++; + break; + case 59: + place = 0; + } @@ -125,19 +134,17 @@ case 59: } -void ring_off(void) +void +ring_off (void) { -place=0; -ringing=0; -buzzer_off(); + place = 0; + ringing = 0; + buzzer_off (); } -void ring(int l) +void +ring (int l) { //mb(); -ringing=l; + ringing = l; } - - - - |