SilentSensors / ZZ_SSL_Main_L476

STM32L476

Dependencies:   MbedJSONValue SDFileSystem WConstants mbed-dev DS1820 TinyGPSPlus epd1in54

Fork of A_SSL_Main by SilentSensors

main.cpp@2:b14aac0ec647, 2018-08-21 (annotated)

Committer:
WaleedElmughrabi
Date:
Tue Aug 21 13:14:51 2018 +0000
Revision:
2:b14aac0ec647
Parent:
0:eafcd0445e97
Child:
3:bc4495101c7b
HAL_Temp_LCD_SD

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bcostm 0:eafcd0445e97 1 #include "mbed.h"
WaleedElmughrabi 2:b14aac0ec647 2 #include "stm32l496g_discovery.h"
bcostm 0:eafcd0445e97 3 #include "stm32l496g_discovery_lcd.h"
WaleedElmughrabi 2:b14aac0ec647 4 #include "stm32l496g_discovery_sd.h"
WaleedElmughrabi 2:b14aac0ec647 5 #include "DS1820.h"
WaleedElmughrabi 2:b14aac0ec647 6 #include "epd1in54.h"
WaleedElmughrabi 2:b14aac0ec647 7 #include "stdio.h"
WaleedElmughrabi 2:b14aac0ec647 8
WaleedElmughrabi 2:b14aac0ec647 9 #define NUM_OF_BLOCKS 5
WaleedElmughrabi 2:b14aac0ec647 10 #define BLOCK_START_ADDR 0
WaleedElmughrabi 2:b14aac0ec647 11 #define BLOCK_SIZE 512
WaleedElmughrabi 2:b14aac0ec647 12 #define BLOCK_END_ADDR (BLOCK_SIZE * NUM_OF_BLOCKS)
WaleedElmughrabi 2:b14aac0ec647 13 #define BUFFER_WORDS_SIZE ((BLOCK_SIZE * NUM_OF_BLOCKS) >> 2) // Total data size in bytes
WaleedElmughrabi 2:b14aac0ec647 14
WaleedElmughrabi 2:b14aac0ec647 15 //DS18B20 temperature sensor
WaleedElmughrabi 2:b14aac0ec647 16 Serial serial(USBTX, USBRX);
WaleedElmughrabi 2:b14aac0ec647 17 DS1820 ds1820(PG_15); //pin name connected to the DS1820 data pin
WaleedElmughrabi 2:b14aac0ec647 18 float t;
WaleedElmughrabi 2:b14aac0ec647 19
WaleedElmughrabi 2:b14aac0ec647 20 //E-ink Display
WaleedElmughrabi 2:b14aac0ec647 21 // Control
WaleedElmughrabi 2:b14aac0ec647 22 PinName rst;
WaleedElmughrabi 2:b14aac0ec647 23 PinName dc;
WaleedElmughrabi 2:b14aac0ec647 24 PinName busy;
WaleedElmughrabi 2:b14aac0ec647 25 //SPI communication
WaleedElmughrabi 2:b14aac0ec647 26 PinName mosi;
WaleedElmughrabi 2:b14aac0ec647 27 PinName miso;
WaleedElmughrabi 2:b14aac0ec647 28 PinName sclk;
WaleedElmughrabi 2:b14aac0ec647 29 PinName cs;
WaleedElmughrabi 2:b14aac0ec647 30 unsigned char frame_black[EPD_HEIGHT*EPD_WIDTH/8];
WaleedElmughrabi 2:b14aac0ec647 31
WaleedElmughrabi 2:b14aac0ec647 32 uint32_t aTxBuffer[BUFFER_WORDS_SIZE];
WaleedElmughrabi 2:b14aac0ec647 33 uint32_t aRxBuffer[BUFFER_WORDS_SIZE];
WaleedElmughrabi 2:b14aac0ec647 34
WaleedElmughrabi 2:b14aac0ec647 35 static void print_demo_title(void);
WaleedElmughrabi 2:b14aac0ec647 36 static void print_PASS(void);
WaleedElmughrabi 2:b14aac0ec647 37 static void print_FAIL(void);
WaleedElmughrabi 2:b14aac0ec647 38 static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLenght, uint32_t uwOffset);
WaleedElmughrabi 2:b14aac0ec647 39 static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength);
WaleedElmughrabi 2:b14aac0ec647 40
WaleedElmughrabi 2:b14aac0ec647 41 float getTemp(float t)
WaleedElmughrabi 2:b14aac0ec647 42 {
WaleedElmughrabi 2:b14aac0ec647 43
WaleedElmughrabi 2:b14aac0ec647 44 // getTemp(tRead);
WaleedElmughrabi 2:b14aac0ec647 45
WaleedElmughrabi 2:b14aac0ec647 46 if(ds1820.begin()) {
WaleedElmughrabi 2:b14aac0ec647 47 ds1820.startConversion();
WaleedElmughrabi 2:b14aac0ec647 48 wait(1.0);
WaleedElmughrabi 2:b14aac0ec647 49 t = ds1820.read(); // read temperature
WaleedElmughrabi 2:b14aac0ec647 50 serial.printf("temp = %3.1f\r\n", t); // Display temp on terminal
WaleedElmughrabi 2:b14aac0ec647 51
WaleedElmughrabi 2:b14aac0ec647 52 } else
WaleedElmughrabi 2:b14aac0ec647 53 serial.printf("No DS1820 sensor found!\r\n");
WaleedElmughrabi 2:b14aac0ec647 54
WaleedElmughrabi 2:b14aac0ec647 55
WaleedElmughrabi 2:b14aac0ec647 56
WaleedElmughrabi 2:b14aac0ec647 57
WaleedElmughrabi 2:b14aac0ec647 58 mosi = PB_5;
WaleedElmughrabi 2:b14aac0ec647 59 miso = PB_4;
WaleedElmughrabi 2:b14aac0ec647 60 sclk = PA_5;
WaleedElmughrabi 2:b14aac0ec647 61 cs = PA_15;
WaleedElmughrabi 2:b14aac0ec647 62 rst = PI_6;
WaleedElmughrabi 2:b14aac0ec647 63 dc = PG_6;
WaleedElmughrabi 2:b14aac0ec647 64 busy = PI_11;
WaleedElmughrabi 2:b14aac0ec647 65
WaleedElmughrabi 2:b14aac0ec647 66 char cVal[32];
WaleedElmughrabi 2:b14aac0ec647 67 //char* t_str;
WaleedElmughrabi 2:b14aac0ec647 68 sprintf(cVal,"%.2f", t);
WaleedElmughrabi 2:b14aac0ec647 69
WaleedElmughrabi 2:b14aac0ec647 70 memset(frame_black, 0xFF, sizeof(unsigned char)*EPD_HEIGHT*EPD_WIDTH/8);
WaleedElmughrabi 2:b14aac0ec647 71
WaleedElmughrabi 2:b14aac0ec647 72 Epd epd = Epd(mosi, miso, sclk, cs, dc, rst, busy);
WaleedElmughrabi 2:b14aac0ec647 73 if (epd.Init(lut_full_update) != 0) {
WaleedElmughrabi 2:b14aac0ec647 74 return -1;
WaleedElmughrabi 2:b14aac0ec647 75 }
WaleedElmughrabi 2:b14aac0ec647 76
WaleedElmughrabi 2:b14aac0ec647 77 /*Write strings to the buffer */
WaleedElmughrabi 2:b14aac0ec647 78 epd.DrawStringAt(frame_black, 30, 30, cVal, &Font16, COLORED);
WaleedElmughrabi 2:b14aac0ec647 79 epd.DrawStringAt(frame_black, 28, 10, "Temperature", &Font16, COLORED);
WaleedElmughrabi 2:b14aac0ec647 80
WaleedElmughrabi 2:b14aac0ec647 81 /* Display the frame_buffer */
WaleedElmughrabi 2:b14aac0ec647 82 epd.SetFrameMemory(frame_black, 0, 0, epd.width, epd.height);
WaleedElmughrabi 2:b14aac0ec647 83 epd.DisplayFrame();
WaleedElmughrabi 2:b14aac0ec647 84 epd.Sleep();
WaleedElmughrabi 2:b14aac0ec647 85
WaleedElmughrabi 2:b14aac0ec647 86
WaleedElmughrabi 2:b14aac0ec647 87 return t;
WaleedElmughrabi 2:b14aac0ec647 88 }
bcostm 0:eafcd0445e97 89
bcostm 0:eafcd0445e97 90 int main()
bcostm 0:eafcd0445e97 91 {
WaleedElmughrabi 2:b14aac0ec647 92 uint8_t status;
WaleedElmughrabi 2:b14aac0ec647 93 print_demo_title();
WaleedElmughrabi 2:b14aac0ec647 94 wait(0.2);
WaleedElmughrabi 2:b14aac0ec647 95
WaleedElmughrabi 2:b14aac0ec647 96 // Initialization
WaleedElmughrabi 2:b14aac0ec647 97 status = BSP_SD_Init();
WaleedElmughrabi 2:b14aac0ec647 98 if (status == MSD_OK) {
WaleedElmughrabi 2:b14aac0ec647 99 BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"SD INIT OK", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 100 }
WaleedElmughrabi 2:b14aac0ec647 101 else if (status == MSD_ERROR_SD_NOT_PRESENT) {
WaleedElmughrabi 2:b14aac0ec647 102 BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"SD CARD NOT FOUND", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 103 print_FAIL();
bcostm 0:eafcd0445e97 104 }
WaleedElmughrabi 2:b14aac0ec647 105 else {
WaleedElmughrabi 2:b14aac0ec647 106 BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"SD INIT FAIL", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 107 print_FAIL();
WaleedElmughrabi 2:b14aac0ec647 108 }
WaleedElmughrabi 2:b14aac0ec647 109
WaleedElmughrabi 2:b14aac0ec647 110 // Erase
WaleedElmughrabi 2:b14aac0ec647 111 status = BSP_SD_Erase(BLOCK_START_ADDR, BLOCK_END_ADDR);
WaleedElmughrabi 2:b14aac0ec647 112 if (status == MSD_OK) {
WaleedElmughrabi 2:b14aac0ec647 113 BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)"SD ERASE OK", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 114 }
WaleedElmughrabi 2:b14aac0ec647 115 else {
WaleedElmughrabi 2:b14aac0ec647 116 BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)"SD ERASE FAIL", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 117 print_FAIL();
bcostm 0:eafcd0445e97 118 }
WaleedElmughrabi 2:b14aac0ec647 119
WaleedElmughrabi 2:b14aac0ec647 120 // Prepare the buffer to write
WaleedElmughrabi 2:b14aac0ec647 121 Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x22FF);
WaleedElmughrabi 2:b14aac0ec647 122
WaleedElmughrabi 2:b14aac0ec647 123 // Write
WaleedElmughrabi 2:b14aac0ec647 124 status = BSP_SD_WriteBlocks(aTxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, SD_DATATIMEOUT);
WaleedElmughrabi 2:b14aac0ec647 125 if (status == MSD_OK) {
WaleedElmughrabi 2:b14aac0ec647 126 BSP_LCD_DisplayStringAt(0, LINE(7), (uint8_t *)"SD WRITE OK", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 127 }
WaleedElmughrabi 2:b14aac0ec647 128 else {
WaleedElmughrabi 2:b14aac0ec647 129 BSP_LCD_DisplayStringAt(0, LINE(7), (uint8_t *)"SD WRITE FAIL", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 130 print_FAIL();
WaleedElmughrabi 2:b14aac0ec647 131 }
WaleedElmughrabi 2:b14aac0ec647 132
WaleedElmughrabi 2:b14aac0ec647 133 // Read
WaleedElmughrabi 2:b14aac0ec647 134 status = BSP_SD_ReadBlocks(aRxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, SD_DATATIMEOUT);
WaleedElmughrabi 2:b14aac0ec647 135 if (status == MSD_OK) {
WaleedElmughrabi 2:b14aac0ec647 136 BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)"SD READ OK", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 137 }
WaleedElmughrabi 2:b14aac0ec647 138 else {
WaleedElmughrabi 2:b14aac0ec647 139 BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)"SD READ FAIL", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 140 print_FAIL();
WaleedElmughrabi 2:b14aac0ec647 141 }
WaleedElmughrabi 2:b14aac0ec647 142
WaleedElmughrabi 2:b14aac0ec647 143 // Compare data
WaleedElmughrabi 2:b14aac0ec647 144 if (Buffercmp(aTxBuffer, aRxBuffer, BUFFER_WORDS_SIZE) == 0) {
WaleedElmughrabi 2:b14aac0ec647 145 BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)"SD DATA OK", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 146 }
WaleedElmughrabi 2:b14aac0ec647 147 else {
WaleedElmughrabi 2:b14aac0ec647 148 BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)"SD DATA FAIL", LEFT_MODE);
WaleedElmughrabi 2:b14aac0ec647 149 print_FAIL();
bcostm 0:eafcd0445e97 150 }
bcostm 0:eafcd0445e97 151
WaleedElmughrabi 2:b14aac0ec647 152 print_PASS();
WaleedElmughrabi 2:b14aac0ec647 153
WaleedElmughrabi 2:b14aac0ec647 154 float x;
WaleedElmughrabi 2:b14aac0ec647 155
WaleedElmughrabi 2:b14aac0ec647 156 while(1){
WaleedElmughrabi 2:b14aac0ec647 157 x = getTemp(t);
WaleedElmughrabi 2:b14aac0ec647 158 serial.printf("temp = %3.1f\r\n", x);
WaleedElmughrabi 2:b14aac0ec647 159 wait(5);
WaleedElmughrabi 2:b14aac0ec647 160 }
bcostm 0:eafcd0445e97 161 }
WaleedElmughrabi 2:b14aac0ec647 162
WaleedElmughrabi 2:b14aac0ec647 163 static void print_demo_title(void)
WaleedElmughrabi 2:b14aac0ec647 164 {
WaleedElmughrabi 2:b14aac0ec647 165 BSP_LCD_Init();
WaleedElmughrabi 2:b14aac0ec647 166 BSP_LCD_Clear(LCD_COLOR_WHITE);
WaleedElmughrabi 2:b14aac0ec647 167 BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
WaleedElmughrabi 2:b14aac0ec647 168 BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 80);
WaleedElmughrabi 2:b14aac0ec647 169 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
WaleedElmughrabi 2:b14aac0ec647 170 BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
WaleedElmughrabi 2:b14aac0ec647 171 BSP_LCD_SetFont(&Font24);
WaleedElmughrabi 2:b14aac0ec647 172 BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"SDCARD", CENTER_MODE);
WaleedElmughrabi 2:b14aac0ec647 173 BSP_LCD_SetFont(&Font12);
WaleedElmughrabi 2:b14aac0ec647 174 BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"This example shows how to write", CENTER_MODE);
WaleedElmughrabi 2:b14aac0ec647 175 BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"and read data on the SDCard", CENTER_MODE);
WaleedElmughrabi 2:b14aac0ec647 176 BSP_LCD_SetFont(&Font20);
WaleedElmughrabi 2:b14aac0ec647 177 }
WaleedElmughrabi 2:b14aac0ec647 178
WaleedElmughrabi 2:b14aac0ec647 179 static void print_PASS(void)
WaleedElmughrabi 2:b14aac0ec647 180 {
WaleedElmughrabi 2:b14aac0ec647 181 BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
WaleedElmughrabi 2:b14aac0ec647 182 BSP_LCD_SetBackColor(LCD_COLOR_GREEN);
WaleedElmughrabi 2:b14aac0ec647 183 BSP_LCD_DisplayStringAt(0, LINE(11), (uint8_t *)"Demo OK", CENTER_MODE);
WaleedElmughrabi 2:b14aac0ec647 184 //while(1);
WaleedElmughrabi 2:b14aac0ec647 185 }
WaleedElmughrabi 2:b14aac0ec647 186
WaleedElmughrabi 2:b14aac0ec647 187 static void print_FAIL(void)
WaleedElmughrabi 2:b14aac0ec647 188 {
WaleedElmughrabi 2:b14aac0ec647 189 BSP_LCD_SetBackColor(LCD_COLOR_RED);
WaleedElmughrabi 2:b14aac0ec647 190 BSP_LCD_DisplayStringAt(0, LINE(11), (uint8_t *)"Demo FAILED", CENTER_MODE);
WaleedElmughrabi 2:b14aac0ec647 191 // while(1);
WaleedElmughrabi 2:b14aac0ec647 192 }
WaleedElmughrabi 2:b14aac0ec647 193
WaleedElmughrabi 2:b14aac0ec647 194 /**
WaleedElmughrabi 2:b14aac0ec647 195 * @brief Fills buffer with user predefined data.
WaleedElmughrabi 2:b14aac0ec647 196 * @param pBuffer: pointer on the buffer to fill
WaleedElmughrabi 2:b14aac0ec647 197 * @param uwBufferLenght: size of the buffer to fill
WaleedElmughrabi 2:b14aac0ec647 198 * @param uwOffset: first value to fill on the buffer
WaleedElmughrabi 2:b14aac0ec647 199 * @retval None
WaleedElmughrabi 2:b14aac0ec647 200 */
WaleedElmughrabi 2:b14aac0ec647 201 static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset)
WaleedElmughrabi 2:b14aac0ec647 202 {
WaleedElmughrabi 2:b14aac0ec647 203 uint32_t tmpIndex = 0;
WaleedElmughrabi 2:b14aac0ec647 204 /* Put in global buffer different values */
WaleedElmughrabi 2:b14aac0ec647 205 for (tmpIndex = 0; tmpIndex < uwBufferLength; tmpIndex++ ) {
WaleedElmughrabi 2:b14aac0ec647 206 pBuffer[tmpIndex] = tmpIndex + uwOffset;
WaleedElmughrabi 2:b14aac0ec647 207 }
WaleedElmughrabi 2:b14aac0ec647 208 }
WaleedElmughrabi 2:b14aac0ec647 209
WaleedElmughrabi 2:b14aac0ec647 210 /**
WaleedElmughrabi 2:b14aac0ec647 211 * @brief Compares two buffers.
WaleedElmughrabi 2:b14aac0ec647 212 * @param pBuffer1, pBuffer2: buffers to be compared.
WaleedElmughrabi 2:b14aac0ec647 213 * @param BufferLength: buffer's length
WaleedElmughrabi 2:b14aac0ec647 214 * @retval 0: pBuffer2 identical to pBuffer1
WaleedElmughrabi 2:b14aac0ec647 215 * 1: pBuffer2 differs from pBuffer1
WaleedElmughrabi 2:b14aac0ec647 216 */
WaleedElmughrabi 2:b14aac0ec647 217 static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength)
WaleedElmughrabi 2:b14aac0ec647 218 {
WaleedElmughrabi 2:b14aac0ec647 219 while (BufferLength--) {
WaleedElmughrabi 2:b14aac0ec647 220 if (*pBuffer1 != *pBuffer2) {
WaleedElmughrabi 2:b14aac0ec647 221 return 1;
WaleedElmughrabi 2:b14aac0ec647 222 }
WaleedElmughrabi 2:b14aac0ec647 223 pBuffer1++;
WaleedElmughrabi 2:b14aac0ec647 224 pBuffer2++;
WaleedElmughrabi 2:b14aac0ec647 225 }
WaleedElmughrabi 2:b14aac0ec647 226 return 0;
WaleedElmughrabi 2:b14aac0ec647 227 }