pass its id to the handler

[pulsecounter.git] / Hal / Hal.c

diff --git a/Hal/Hal.c b/Hal/Hal.c
index bb05cd4e1113913c4231649cabc5d6548dd4bbaf..b4944e2c79090a97dcba17ea049e04377d85a231 100644 (file)
--- a/Hal/Hal.c
+++ b/Hal/Hal.c
@@ -24,6 +24,8 @@
 
 #define BUTTON_CONFIG()             (P1DIR &= ~BIT3, P1REN |= BIT3, P1OUT |= BIT3, P1IES |= BIT3);
 #define BUTTON_ENABLE()             (P1IFG &= ~BIT3, P1IE |= BIT3)
+#define BUTTON_DISABLE()            (P1IE &= ~BIT3, P1IFG &= ~BIT3)
+#define BUTTON_FIRED()              (P1IFG & BIT3)
 #define BUTTON_PRESSED()            (!(P1IN & BIT3))
 #define BUTTON_DEBOUNCE_MSECS       100
 
@@ -84,18 +86,18 @@
 #define WAKEUP()                    (__bic_SR_register_on_exit(LPM3_bits))
 #endif
 
-#define NUM_HANDLERS 3
+#define NUM_HANDLERS 5
 
 #define BUTTON_HANDLER_ID      0
-#define TICK_HANDLER_ID        1
-#define DISPATCH_HANDLER_ID    2
+#define EVENT4_HANDLER_ID      1
+#define EVENT5_HANDLER_ID      2
+#define TICK_HANDLER_ID        3
+#define DISPATCH_HANDLER_ID    4
 
-int32_t buttonCnt = 0;
-
-static void buttonHandler(void);
+static void buttonHandler(uint8_t id);
 static void postEvent(uint8_t handlerId);
 
-static Hal_Handler appButtonHandler;
+static void (*appButtonHandler)(void);
 static volatile uint16_t handlerEvents = 0;
 static uint16_t clockTick = 0;
 static Hal_Handler handlerTab[NUM_HANDLERS];
@@ -103,7 +105,7 @@ static Hal_Handler handlerTab[NUM_HANDLERS];
 
 /* -------- APP-HAL INTERFACE -------- */
 
-void Hal_buttonEnable(Hal_Handler handler) {
+void Hal_buttonEnable(void (*handler)(void)) {
     handlerTab[BUTTON_HANDLER_ID] = buttonHandler;
     appButtonHandler = handler;
     BUTTON_CONFIG();
@@ -226,7 +228,7 @@ void Hal_idleLoop(void) {
             uint8_t id;
             for (id = 0, mask = 0x1; id < NUM_HANDLERS; id++, mask <<= 1) {
                 if ((events & mask) && handlerTab[id]) {
-                    handlerTab[id]();
+                    handlerTab[id](id);
                 }
             }
         }
@@ -275,6 +277,11 @@ void Hal_tickStart(uint16_t msecs, Hal_Handler handler) {
     TA1CCTL0 = CCIE;                            // Enable the CCR0 interrupt
 }
 
+void Hal_tickStop(void) {
+    handlerTab[TICK_HANDLER_ID] = 0;
+    TA1CCR0 = 0;
+    TA1CCTL0 = 0;
+}
 
 /* -------- SRT-HAL INTERFACE -------- */
 
@@ -321,11 +328,12 @@ void Em_Hal_watchOn(void) {
 
 /* -------- INTERNAL FUNCTIONS -------- */
 
-static void buttonHandler(void) {
-    Hal_delay(100);
+static void buttonHandler(uint8_t id) {
+    Hal_delay(BUTTON_DEBOUNCE_MSECS);
     if (BUTTON_PRESSED() && appButtonHandler) {
         appButtonHandler();
     }
+    BUTTON_ENABLE();
 }
 
 static void postEvent(uint8_t handlerId) {
@@ -343,9 +351,9 @@ static void postEvent(uint8_t handlerId) {
     #pragma vector=PORT1_VECTOR
 #endif
 INTERRUPT void buttonIsr(void) {
-    buttonCnt++;
-    postEvent(BUTTON_HANDLER_ID);
-    BUTTON_ENABLE();
+    if (BUTTON_FIRED())
+        postEvent(BUTTON_HANDLER_ID);
+    BUTTON_DISABLE();
     WAKEUP();
 }