Diff: main.cpp

Revision:

0:cb78df310c5f

Child:

1:397846763432

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Nov 09 19:04:19 2015 +0000
@@ -0,0 +1,85 @@
+#include "mbed.h"
+
+//define where the EEPROM begins
+#define stadr 0x08080000
+
+Serial pcSerial(USBTX, USBRX);
+
+//Our current offset in the EEPROM
+int offset = 0;
+
+//This function writes a byte of data to the EEPROM at the appropriate location.
+//This is called by my writeEEPROMbytes.
+//Use this if you want to write a single byte.
+HAL_StatusTypeDef writeEEPROMByte(uint8_t data)
+ {
+    HAL_StatusTypeDef  status;
+    int address = offset + stadr;
+    offset++;
+    HAL_FLASHEx_DATAEEPROM_Unlock();  //Unprotect the EEPROM to allow writing
+    status = HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_BYTE, address, data);
+    HAL_FLASHEx_DATAEEPROM_Lock();  // Reprotect the EEPROM
+    return status;
+}
+
+//This function takes an array of bytes and its size and writes them to the EEPROM
+//Use this if you want to write a lot of bytes.
+void writeEEPROMbytes(uint8_t* data, uint8_t size)
+{
+    for(int i = 0; i < size; i++)
+    {
+        writeEEPROMByte(data[i]);
+    }
+}
+
+//This function reads a byte of data from the EEPROM at the offset passed in.
+//This is called by my getEEPROM function
+uint8_t readEEPROMByte(uint32_t off) {
+    uint8_t tmp = 0;
+    off = off + stadr;
+    tmp = *(__IO uint32_t*)off;
+    
+    return tmp;
+}
+
+//Call this function when you have sent all the data in the EEPROM through GSM
+//It just resets the offset to 0 so we start writing from the start.
+void resetEEPROM()
+{
+    offset = 0;
+}
+
+//This returns an array of bytes with size offset, that contains the entire EEPROM
+//Call this function when you want to send the data over GSM
+void getEEPROM(uint8_t *ptr)
+{
+    for(int i = 0; i < offset; i++)
+    {
+        ptr[i] = readEEPROMByte(i);
+    }
+    return;
+}
+
+//Found this online and it claims that it resets ADC to work after deepsleep \_O_/
+void resetADC()
+{
+    // Enable the HSI (to clock the ADC)
+RCC_OscInitTypeDef RCC_OscInitStruct;
+RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+RCC_OscInitStruct.HSIState       = RCC_HSI_ON;
+RCC_OscInitStruct.PLL.PLLState   = RCC_PLL_NONE;
+HAL_RCC_OscConfig(&RCC_OscInitStruct); 
+
+}
+
+int main(){
+    resetEEPROM();
+    pcSerial.printf("testing:\n");
+    uint8_t test[] = "testing byte write and retrieval\0";
+    uint8_t len = strlen((char*)test);
+    writeEEPROMbytes(test, len);
+    pcSerial.printf("write success\n");
+    uint8_t fullStr[offset+1];
+    getEEPROM(fullStr);
+    pcSerial.printf("String: %s\n", fullStr);
+}
\ No newline at end of file