From 698738a17bf7abfe8729609a62d5b8c14eb9753a Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <wolfgang@hottgenroth.net>
Date: Thu, 15 Jun 2017 20:43:37 +0200
Subject: [PATCH] thermometer engine blocked state introduced

---
 my_src/hmi.c | 14 +++++++++++---
 my_src/hmi.h |  2 +-
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/my_src/hmi.c b/my_src/hmi.c
index 28b7b82..84721e5 100644
--- a/my_src/hmi.c
+++ b/my_src/hmi.c
@@ -20,6 +20,7 @@ const uint32_t STORAGE_MAGIC = 0xaffe000a;
 const uint8_t COLD_COUNT_THRESHOLD = 40;
 const uint32_t HOT_TEMPERATURE_THRESHOLD = 5;
 
+const char THERMOMETER_STATE_MARKS[TE_LAST] = {'I', 'H', 'C', 'C', 'C', 'B'};
 
 
 
@@ -66,7 +67,7 @@ void updateDisplay(void *handle) {
   LED_P8x16Str(0, 4, buf);
 
 
-  sprintf(buf, "      %5ds", lDisplay->overrunTime);
+  sprintf(buf, "%c     %5ds", THERMOMETER_STATE_MARKS[lDisplay->thermometerEngineState], lDisplay->overrunTime);
 //  static uint32_t h = 0;
 //  static uint32_t c = 0;
 //  uint32_t i = HAL_GetTick();
@@ -103,19 +104,25 @@ void thermometerEngine(void *handle) {
     break;
   case TE_CONFIRMED:
     disableAlarm();
-    lDisplay->thermometerEngineState = TE_IDLE;
+    lDisplay->thermometerEngineState = TE_BLOCKED;
+    break;
+  case TE_BLOCKED:
     break;
   default:
     lDisplay->thermometerEngineState = TE_IDLE;
   }
 }
 
-void thermometerEngineConfirmAlarm() {
+static void thermometerEngineConfirmAlarm() {
   if (display.thermometerEngineState == TE_UNCONFIRMED) {
     display.thermometerEngineState = TE_CONFIRMED;
   }
 }
 
+static void thermometerEngineUnblock() {
+  display.thermometerEngineState = TE_IDLE;
+}
+
 void hmiInit() {
   eepromRead(STORAGE_ADDRESS, &storage, sizeof(storage));
   if (storage.magic == STORAGE_MAGIC) {
@@ -222,6 +229,7 @@ void buttonShort() {
     thermometerEngineConfirmAlarm();
   } else if (display.timerState == RUNNING || display.timerState == OVERRUN) {
     stopTimer();
+    thermometerEngineUnblock();
     disableAlarm();
   }
 }
diff --git a/my_src/hmi.h b/my_src/hmi.h
index 9c98bea..ad0e02c 100644
--- a/my_src/hmi.h
+++ b/my_src/hmi.h
@@ -14,7 +14,7 @@
 
 
 
-typedef enum { TE_IDLE, TE_HOT, TE_COLD, TE_UNCONFIRMED, TE_CONFIRMED } tThermometerEngineState;
+typedef enum { TE_IDLE = 0, TE_HOT, TE_COLD, TE_UNCONFIRMED, TE_CONFIRMED, TE_BLOCKED, TE_LAST } tThermometerEngineState;
 
 typedef struct {
   uint32_t toggle;