Submission

Testing/Temporary/CTestCostData.txt

@@ -0,0 +1 @@
+---

Testing/Temporary/LastTest.log

@@ -0,0 +1,3 @@
+Start testing: Oct 27 01:33 EDT
+----------------------------------------------------------
+End testing: Oct 27 01:33 EDT

lm75bd/lm75bd.c

@@ -27,7 +27,23 @@ error_code_t lm75bdInit(lm75bd_config_t *config) {
 
 error_code_t readTempLM75BD(uint8_t devAddr, float *temp) {
   /* Implement this driver function */
+  uint8_t buf[1] = {0x00};
+  uint8_t buf_[2];
+
+  i2cSendTo(devAddr, buf, 1);
+  i2cReceiveFrom(devAddr, buf_, 2);
+
+  uint16_t temperature = (buf_[0] << 8 | buf_[1]);
+  int16_t t = temperature >> 5;
+
+
+  if(t & 0x0400) { // if the first bit is 1
+    t |= 0xFC00;
+  } 
 
+  *temp = t * 0.125;
+
+
   return ERR_CODE_SUCCESS;
 }
 

lm75bd/lm75bd.h

@@ -5,7 +5,7 @@
 #include <stdint.h>
 
 /* LM75BD I2C Device Address */
-#define LM75BD_OBC_I2C_ADDR /* Define the address here */
+#define LM75BD_OBC_I2C_ADDR 0b1001111 /* Define the address here */
 
 /* LM75BD Configuration Values */
 #define LM75BD_DEV_OP_MODE_NORMAL 0x00U

services/thermal_mgr/thermal_mgr.c

@@ -43,19 +43,41 @@ void initThermalSystemManager(lm75bd_config_t *config) {
 
 error_code_t thermalMgrSendEvent(thermal_mgr_event_t *event) {
   /* Send an event to the thermal manager queue */
-
+  if(xQueueSend(thermalMgrQueueHandle, event, (TickType_t) 10) != pdTRUE) {
+    return ERR_CODE_QUEUE_FULL;
+  }
   return ERR_CODE_SUCCESS;
 }
 
 void osHandlerLM75BD(void) {
   /* Implement this function */
+  thermal_mgr_event_t event = { .type = OS_MGR_EVENT_OVER_TEMP };
+  xQueueSend(thermalMgrQueueHandle, &event, (TickType_t) 10);
 }
 
 static void thermalMgr(void *pvParameters) {
   /* Implement this task */
+  thermal_mgr_event_t event;
+  float temp;
+
   while (1) {
-
+    if(xQueueReceive(thermalMgrQueueHandle, &event, (TickType_t) 10) == pdTRUE) {
+      if(event.type == THERMAL_MGR_EVENT_MEASURE_TEMP_CMD) {
+        if(readTempLM75BD(LM75BD_OBC_I2C_ADDR, &temp) == ERR_CODE_SUCCESS) {
+          addTemperatureTelemetry(temp);
+        }
+      } else if(event.type == OS_MGR_EVENT_OVER_TEMP) {
+          if(readTempLM75BD(LM75BD_OBC_I2C_ADDR, &temp) == ERR_CODE_SUCCESS) {
+            if(temp > T_HYS) {
+              overTemperatureDetected();
+            } else {
+              safeOperatingConditions();
+            }
+          }
+      }
+    } 
   }
+
 }
 
 void addTemperatureTelemetry(float tempC) {

services/thermal_mgr/thermal_mgr.h

@@ -3,8 +3,11 @@
 #include "lm75bd.h"
 #include "errors.h"
 
+#define T_HYS 75
+
 typedef enum {
   THERMAL_MGR_EVENT_MEASURE_TEMP_CMD,
+  OS_MGR_EVENT_OVER_TEMP,
 
 } thermal_mgr_event_type_t;