working calls

1 files changed, 143 insertions, 0 deletions

diff --git a/app/buzzer.c b/app/buzzer.c
new file mode 100644
index 0000000..4c45630
--- /dev/null
+++ b/app/buzzer.c
@@ -0,0 +1,143 @@
+#include "project.h"
+
+static int period;
+static int place;
+int ringing;
+
+
+#define C6 1047
+#define E6 1319
+
+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);
+
+  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_oc_value(TIM1, TIM_OC1, period/2);
+  timer_set_period(TIM1, period);
+
+  timer_enable_counter(TIM1);
+}
+void buzzer_off(void)
+{
+  gpio_set_mode (GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, 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);
+}
+
+void buzzer_set_freq(int hz)
+{
+  period=(48000000/4)/hz;
+  timer_set_oc_value(TIM1, TIM_OC1, period/2);
+  timer_set_period(TIM1, period);
+}
+
+void buzzer_init(void)
+{
+
+  /*buzzer*/
+  buzzer_off();
+  buzzer_set_freq(440);
+
+}
+
+
+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;
+}
+
+
+
+
+}
+
+
+void ring_off(void)
+{
+place=0;
+ringing=0;
+buzzer_off();
+}
+
+void ring(int l)
+{
+//mb();
+ringing=l;
+}
+
+
+
+