simplify startup display pattern, extend default timeout

docs/tea.txt

@@ -7,6 +7,8 @@ P2.2 G
 P2.1 C
 P2.0 1
 P1.5 2
+P1.2 3
+P1.1 LED
 P1.0 T
 
 

src/PontCoopScheduler.c

@@ -7,6 +7,8 @@
 
 
 #include <stdlib.h>
+#include <msp430g2553.h>
+
 
 #include "PontCoopScheduler.h"
 

src/display.c

@@ -47,64 +47,59 @@ const tPin *NUMBERS[] = { NUMBER0, NUMBER1, NUMBER2, NUMBER3, NUMBER4,
     NUMBER5, NUMBER6, NUMBER7, NUMBER8, NUMBER9, ALL_PATTERN, H_PATTERN,
     I_PATTERN, EMPTY_PATTERN };
 
-const tPin DIGITS[] = { DIGIT_0, DIGIT_1, PINS_END };
+const tPin DIGITS[] = { DIGIT_0, DIGIT_1, DIGIT_2, PINS_END };
 
 
-uint8_t digitValues[2] = { EMPTY_ID, EMPTY_ID };
+uint8_t digitValues[] = { EMPTY_ID, EMPTY_ID, EMPTY_ID };
 
 
 
 void displayInit(void *handleArg) {
-  for (tPin d = DIGIT_0; d <= DIGIT_1; d++) {
+  for (tPin s = SEG_A; s <= SEG_F; s++) {
+    gpioSetPin(s, LOW);
+  }
+  for (tPin d = DIGIT_2; d >= DIGIT_0; d--) {
     gpioSetPin(d, LOW);
-    for (tPin s = SEG_A; s <= SEG_G; s++) {
-      gpioSetPin(s, HIGH);
-      ms_active_delay(INIT_CYCLE_DELAY);
-      gpioSetPin(s, LOW);
-    }
+    gpioSetPin(SEG_G, HIGH);
+    ms_active_delay(INIT_CYCLE_DELAY);
+    gpioSetPin(SEG_G, LOW);
     gpioSetPin(d, HIGH);
   }
 }
 
 static void showNumber(uint8_t n) {
-  const tPin *pattern = NUMBERS[ALL_ID];
-  do {
+  for (const tPin *pattern = NUMBERS[ALL_ID]; *pattern != PINS_END; pattern++) {
     gpioSetPin(*pattern, LOW);
-    pattern++;
-  } while (*pattern != PINS_END);
-  pattern = NUMBERS[n];
-  do {
+  }
+  for (const tPin *pattern = NUMBERS[n]; *pattern != PINS_END; pattern++) {
     gpioSetPin(*pattern, HIGH);
-    pattern++;
-  } while (*pattern != PINS_END);
+  }
 }
 
 void displaySetValue(uint8_t v) {
-  if (v >= 100) {
-    digitValues[1] = H_ID;
-    digitValues[0] = I_ID;
-  } else {
-    digitValues[1] = v / 10;
-    digitValues[0] = v - digitValues[1] * 10;
-  }
+  uint32_t a,b,c,d;
+  a = v;
+  b = a / 100;
+  c = (a - b * 100) / 10;
+  d = a - c * 10 - b * 100;
+  digitValues[2] = (b == 0) ? EMPTY_ID : (uint8_t)b;
+  digitValues[1] = ((c == 0) && (b == 0)) ? EMPTY_ID : (uint8_t)c;
+  digitValues[0] = (uint8_t)d;
 }
 
 void displayExec(void *handleArg) {
   static uint8_t activeDigit = 0;
 
   activeDigit++;
-  if (activeDigit == 2) {
+  if (activeDigit == 3) {
     activeDigit = 0;
   }
 
-  const tPin *digit = DIGITS;
-  do {
+  for (const tPin *digit = DIGITS; *digit != PINS_END; digit++) {
     gpioSetPin(*digit, HIGH);
-    digit++;
-  } while (*digit != PINS_END);
+  }
 
-  digit = DIGITS + activeDigit;
-  gpioSetPin(*digit, LOW);
+  gpioSetPin(DIGITS[activeDigit], LOW);
 
   showNumber(digitValues[activeDigit]);
 }

src/eggTimer.c

@@ -16,11 +16,12 @@
 #include "button.h"
 #include "gpio.h"
 #include "PontCoopScheduler.h"
+#include "powerDown.h"
 
 
 const uint32_t EGG_TIMER_CYCLE = 1000;
 const uint32_t LED_CYCLE = 250;
-const uint32_t POWER_DOWN_DELAY = 120000;
+const uint32_t MY_POWER_DOWN_DELAY = 120000;
 
 const uint8_t COOKING_TIME = 120;
 uint8_t restCookingTime;
@@ -28,14 +29,8 @@ bool timerRunning;
 bool timerStarted;
 
 
-void eggTimerPowerDown(void *handleArg) {
-  P1DIR = 0;
-  P2DIR = 0;
-  P1OUT = 0;
-  P2OUT = 0;
-  ADC10CTL0 = 0;
-  LPM4;
-}
+
+
 
 void eggTimerStart(void *handleArg) {
   if (! timerStarted) {
@@ -62,7 +57,8 @@ void eggTimerExec(void *handleArg) {
     if (restCookingTime == 0) {
       // activate alarm
       schAdd(eggTimerAlarm, NULL, 0, LED_CYCLE);
-      schAdd(eggTimerPowerDown, NULL, POWER_DOWN_DELAY, 0);
+      schDel(powerDown, NULL);
+      schAdd(powerDown, NULL, MY_POWER_DOWN_DELAY, 0);
       timerRunning = false;
     }
   }

src/eggTimer.h

@@ -18,7 +18,7 @@ extern const uint32_t EGG_TIMER_CYCLE;
 void eggTimerInit(void *handleArg);
 void eggTimerExec(void *handleArg);
 void eggTimerStart(void *handleArg);
-
+void eggTimerAlarm(void *handleArg);
 
 
 #endif /* EGGTIMER_H_ */

src/gpio.c

@@ -19,6 +19,13 @@ extern tPinCfg pinCfg[];
 
 
 void gpioInitPins() {
+  P1OUT = 0;
+  P1DIR = 0;
+  P1REN = 0;
+  P2OUT = 0;
+  P2DIR = 0;
+  P2REN = 0;
+
   for (tPin p = PINS_FIRST; p < PINS_END; p += 1) {
     tPinCfg pin = pinCfg[p];
     if (pin.portId == PORT1) {
@@ -26,6 +33,7 @@ void gpioInitPins() {
         P1DIR |= pin.bit;
         P1SEL &= ~pin.bit;
         P1SEL2 &= ~pin.bit;
+        gpioSetPin(p, pin.defaultOut);
       } else if (pin.direction == PIN_IN) {
         P1DIR &= ~pin.bit;
         P1SEL &= ~pin.bit;
@@ -43,6 +51,7 @@ void gpioInitPins() {
         P2DIR |= pin.bit;
         P2SEL &= ~pin.bit;
         P2SEL2 &= ~pin.bit;
+        gpioSetPin(p, pin.defaultOut);
       } else if (pin.direction == PIN_IN) {
         P2DIR &= ~pin.bit;
         P2SEL &= ~pin.bit;
@@ -56,7 +65,6 @@ void gpioInitPins() {
         P2OUT |= pin.bit;
       }
     }
-    gpioSetPin(p, pin.defaultOut);
   }
 }
 

src/gpio.h

@@ -49,6 +49,7 @@ typedef enum {
   SEG_G,
   DIGIT_0,
   DIGIT_1,
+  DIGIT_2,
   BUTTON_1,
   LED_1,
   PINS_END

src/gpioCfg.c

@@ -18,6 +18,7 @@ tPinCfg pinCfg[PINS_END] = {
     {PORT2, BIT2, PIN_OUT, LOW}, //G
     {PORT2, BIT0, PIN_OUT, HIGH}, //0
     {PORT1, BIT5, PIN_OUT, HIGH}, //1
+    {PORT1, BIT2, PIN_OUT, HIGH}, //2
     {PORT1, BIT0, PIN_IN_PULLUP, LOW}, // BUTTON_1
-    {PORT1, BIT1, PIN_OUT, LOW}, //TESTPIN1
+    {PORT1, BIT1, PIN_OUT, LOW}, // LED_1
 };

src/main.c

@@ -19,12 +19,17 @@
 #include "measure.h"
 #include "eggTimer.h"
 #include "button.h"
+#include "gpio.h"
+#include "powerDown.h"
+
 
 
 
 int main() {
   WDTCTL = WDTPW | WDTHOLD;
 
+  __disable_interrupt();
+
   // highest possible system clock
   DCOCTL = DCO0 | DCO1 | DCO2;
   BCSCTL1 = XT2OFF | RSEL0 | RSEL1 | RSEL2 | RSEL3;
@@ -36,6 +41,8 @@ int main() {
   timeInit();
   schInit();
 
+  schAdd(powerDown, NULL, 1800000, 0);   // default thermometer power down timeout: 30min
+
   // interrupts are required for delay function in displayInit();
   __enable_interrupt();
   displayInit(NULL);
@@ -57,11 +64,7 @@ int main() {
 
   while (1) {
     schExec();
-
-    // put it into the idle loop, it is not time critical
-    // but should get as much time as possible to avoid
-    // flicker
-    //displayExec(NULL);
+    //LPM3;
   }
 }
 

src/powerDown.c

@@ -0,0 +1,23 @@
+/*
+ * powerDown.c
+ *
+ *  Created on: Sep 11, 2016
+ *      Author: wn
+ */
+
+
+#include <msp430g2553.h>
+
+
+void powerDown(void *handleArg) {
+  P1OUT = 0;
+  P1DIR = 0xff;
+  P1REN = 0;
+  P2OUT = 0;
+  P2DIR = 0xff;
+  P2REN = 0;
+  ADC10CTL0 = 0;
+
+  LPM4;
+  while (1);
+}

src/powerDown.h

@@ -0,0 +1,14 @@
+/*
+ * powerDown.h
+ *
+ *  Created on: Sep 11, 2016
+ *      Author: wn
+ */
+
+#ifndef POWERDOWN_H_
+#define POWERDOWN_H_
+
+void powerDown(void *handleArg);
+
+
+#endif /* POWERDOWN_H_ */

src/time.c

@@ -16,6 +16,7 @@
 volatile uint32_t timestamp;
 
 ISR(TIMER0_A0, TA0_ISR) {
+  LPM3_EXIT;
   timestamp++;
   schUpdate();
 }