Add support for buzzer

firmware/at.c

@@ -23,16 +23,18 @@ int8_t cmd_at_tim_handler(uint8_t mode, char* arg);
 int8_t cmd_at_dat_handler(uint8_t mode, char* arg);
 int8_t cmd_at_bts_handler(uint8_t mode, char* arg);
 int8_t cmd_at_ngt_handler(uint8_t mode, char* arg);
+int8_t cmd_at_buz_handler(uint8_t mode, char* arg);
 
-#define AT_NUM 7
+#define AT_NUM 8
 const struct AT_CMD at_commands[AT_NUM] PROGMEM = {
-  { "AT",     cmd_at_handler      },
-  { "ATI",    cmd_ati_handler     },
-  { "AT+RST", cmd_at_rst_handler  },
-  { "AT+TIM", cmd_at_tim_handler  },
-  { "AT+DAT", cmd_at_dat_handler  },
-  { "AT+BTS", cmd_at_bts_handler  },
-  { "AT+NGT", cmd_at_ngt_handler  }
+  { "AT",     cmd_at_handler     },
+  { "ATI",    cmd_ati_handler    },
+  { "AT+RST", cmd_at_rst_handler },
+  { "AT+TIM", cmd_at_tim_handler },
+  { "AT+DAT", cmd_at_dat_handler },
+  { "AT+BTS", cmd_at_bts_handler },
+  { "AT+NGT", cmd_at_ngt_handler },
+  { "AT+BUZ", cmd_at_buz_handler }
 };
 
 static struct RTC_DATA* rtc_data;
@@ -317,5 +319,35 @@ int8_t cmd_at_ngt_handler(uint8_t mode, char* arg)
       uart_puts_P(PSTR("AT+NGT=(-1|0-7),(0-23),(0-59),(0-23),(0-59)\n\r"));
   }
 
+  return 0;
+}
+
+int8_t cmd_at_buz_handler(uint8_t mode, char* arg)
+{       
+  uint8_t buz_en;
+
+  switch(mode)
+  {
+    case M_GET:
+      uart_puti(ram_cfg.buz_en, 10);
+      uart_puts("\n\r");
+      break;
+
+    case M_SET:
+      if(!strlen(arg)) return -1;
+      
+      buz_en = atoi(arg);
+      if(buz_en != 0 && buz_en != 1) return -1;
+      ram_cfg.buz_en = buz_en;
+      dump_ram2eem();
+      uart_puts_P(PSTR("+BUZ="));
+      uart_puti(buz_en, 10);
+      uart_puts("\n\r");
+      break;
+
+    case M_NORM:
+      uart_puts_P(PSTR("AT+BUZ=(0|1)\n\r"));
+  }
+
   return 0;
 }

firmware/buzzer.c

@@ -0,0 +1,23 @@
+#include <avr/io.h>
+#include "common.h"
+#include "buzzer.h"
+#include "ptimer.h"
+#include "config.h"
+
+
+void buz_init(void)
+{
+  R_DDR(BUZZER_PORT) |= 1<<BUZZER;
+  R_PORT(BUZZER_PORT) &= ~(1<<BUZZER);
+}
+
+void buz_on(void)
+{
+  if(ram_cfg.buz_en) tim_buz = BUZZER_DURATION;
+}
+
+void buz_handle_event(void)
+{
+  if(tim_buz) R_PORT(BUZZER_PORT) |= 1<<BUZZER;
+  else R_PORT(BUZZER_PORT) &= ~(1<<BUZZER);
+}

firmware/buzzer.h

@@ -0,0 +1,14 @@
+#ifndef __BUZZER_H__
+#define __BUZZER_H__
+
+#define BUZZER_PORT C
+#define BUZZER 7
+
+#define BUZZER_DURATION 10
+
+void buz_init(void);
+void buz_on(void);
+void buz_handle_event(void);
+
+
+#endif

firmware/config.c

@@ -3,6 +3,7 @@
 struct CFG ram_cfg;
 struct CFG eem_cfg EEMEM;
 const struct CFG pgm_cfg PROGMEM = {
+  BUZ_EN,
   LED_BRIGHTNESS,
   NIGHT_MODE
 };

firmware/config.h

@@ -7,6 +7,7 @@
 
 #define AUTO_BTNES_SIZE 4
 
+#define BUZ_EN 1
 #define LED_BRIGHTNESS 7
 #define NIGHT_MODE { -1, { 0, 0 }, { 0, 0 } }
 
@@ -19,6 +20,7 @@ struct NIGHTM_CFG
 
 struct CFG
 {
+  uint8_t buz_en;
   uint8_t led_btnes;
   struct NIGHTM_CFG night_mode;
 };

firmware/keyboard.c

@@ -2,6 +2,7 @@
 #include "common.h"
 #include "config.h"
 #include "keyboard.h"
+#include "buzzer.h"
 #include "debounce.h"
 #include "rtc.h"
 #include "led.h"
@@ -9,25 +10,29 @@
 uint8_t k_inc_hour, k_inc_minute, k_inc_second, k_inc_brightness;
 
 void inc_hour(void)
-{
+{  
   rtc_inc_time(HOUR);
+  buz_on();
 }
 
 void inc_minute(void)
-{
+{  
   rtc_inc_time(MINUTE);
+  buz_on();
 }
 
 void inc_second(void)
-{
+{  
   rtc_inc_time(SECOND);
+  buz_on();
 }
 
 void inc_brightness(void)
-{
+{  
   if(++ram_cfg.led_btnes > 7) ram_cfg.led_btnes = 0;
   led_set_btnes(ram_cfg.led_btnes);
   dump_ram2eem();
+  buz_on();
 }
 
 void kbd_init(void)

firmware/main.c

@@ -4,6 +4,7 @@
 #include "ptimer.h"
 #include "config.h"
 #include "nightm.h"
+#include "buzzer.h"
 #include "time.h"
 #include "uart.h"
 #include "i2c.h"
@@ -24,6 +25,7 @@ int main()
   rtc_int0_init();
   led_init();
   uart_init();
+  buz_init();
   
   uart_bind_handler(at_handler);
   rtc_bind_handler(update_time);
@@ -39,6 +41,7 @@ int main()
     kbd_handle_event();
     uart_handle_event(uart_buf);
     rtc_handle_event();    
+    buz_handle_event();
   }
 }
 

firmware/ptimer.c

@@ -3,10 +3,12 @@
 #include "ptimer.h"
 
 volatile uint16_t tim_debounce;
+volatile uint8_t tim_buz;
 
 void ptimer_init(void)
 {
   tim_debounce = 0;
+  tim_buz = 0;
 
   TCCR2 |= (1<<WGM21);
   TCCR2 |= (1<<CS22) | (1<<CS21) | (1<<CS20);
@@ -18,4 +20,5 @@ void ptimer_init(void)
 ISR(TIMER2_COMP_vect)
 {
   if(tim_debounce) --tim_debounce;  
+  if(tim_buz) --tim_buz;
 }

firmware/ptimer.h

@@ -2,6 +2,7 @@
 #define __PTIMER_H__
 
 extern volatile uint16_t tim_debounce;
+extern volatile uint8_t tim_buz;
 
 void ptimer_init(void);