STM32L476
Dependencies: MbedJSONValue SDFileSystem WConstants mbed-dev DS1820 TinyGPSPlus epd1in54
Fork of A_SSL_Main by
main.cpp
- Committer:
- WaleedElmughrabi
- Date:
- 2018-08-22
- Revision:
- 3:bc4495101c7b
- Parent:
- 2:b14aac0ec647
- Child:
- 4:06edbeb05013
File content as of revision 3:bc4495101c7b:
#include "mbed.h" #include "stm32l496g_discovery.h" #include "stm32l496g_discovery_lcd.h" #include "stm32l496g_discovery_sd.h" #include "DS1820.h" #include "epd1in54.h" #include "stdio.h" #define NUM_OF_BLOCKS 5 #define BLOCK_START_ADDR 0 #define BLOCK_SIZE 512 #define BLOCK_END_ADDR (BLOCK_SIZE * NUM_OF_BLOCKS) #define BUFFER_WORDS_SIZE ((BLOCK_SIZE * NUM_OF_BLOCKS) >> 2) // Total data size in bytes //DS18B20 temperature sensor Serial serial(USBTX, USBRX); DS1820 ds1820(PG_15); //pin name connected to the DS1820 data pin float t; float tempSerial; float tCompare = 0; int ab=1; //E-ink Display // Control PinName rst; PinName dc; PinName busy; //SPI communication PinName mosi; PinName miso; PinName sclk; PinName cs; unsigned char frame_black[EPD_HEIGHT*EPD_WIDTH/8]; uint32_t aTxBuffer[BUFFER_WORDS_SIZE]; uint32_t aRxBuffer[BUFFER_WORDS_SIZE]; static void print_demo_title(void); //static void print_PASS(void); static void print_FAIL(void); static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLenght, uint32_t uwOffset); static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength); int pnpoly(int nvert, float *vertx, float *verty, float testx, float testy) { int i, j, c = 0; for (i = 0, j = nvert-1; i < nvert; j = i++) { if ( ((verty[i]>testy) != (verty[j]>testy)) && (testx < (vertx[j]-vertx[i]) * (testy-verty[i]) / (verty[j]-verty[i]) + vertx[i]) ) c = !c; } return c; } float getTemp(float t) { // getTemp(tRead); if(ds1820.begin()) { ds1820.startConversion(); wait(1.0); t = ds1820.read(); // read temperature tCompare; serial.printf("temp = %3.1f\r\n", t); // Display temp on terminal } else serial.printf("No DS1820 sensor found!\r\n"); mosi = PB_5; miso = PB_4; sclk = PA_5; cs = PA_15; rst = PI_6; dc = PG_6; busy = PI_11; char cVal[32]; //char* t_str; sprintf(cVal,"%.2f", t); memset(frame_black, 0xFF, sizeof(unsigned char)*EPD_HEIGHT*EPD_WIDTH/8); Epd epd = Epd(mosi, miso, sclk, cs, dc, rst, busy); if (epd.Init(lut_full_update) != 0) { return -1; } /*Write strings to the buffer */ epd.DrawStringAt(frame_black, 50, 30, cVal, &Font24, COLORED); epd.DrawStringAt(frame_black, 28, 10, "Temperature", &Font16, COLORED); /* Display the frame_buffer */ epd.SetFrameMemory(frame_black, 0, 0, epd.width, epd.height); epd.DisplayFrame(); epd.Sleep(); return t; } int main() { uint8_t status; print_demo_title(); wait(0.2); // Initialization status = BSP_SD_Init(); if (status == MSD_OK) { BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"SD INIT OK", LEFT_MODE); } else if (status == MSD_ERROR_SD_NOT_PRESENT) { BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"SD CARD NOT FOUND", LEFT_MODE); print_FAIL(); } else { BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"SD INIT FAIL", LEFT_MODE); print_FAIL(); } // Erase status = BSP_SD_Erase(BLOCK_START_ADDR, BLOCK_END_ADDR); if (status == MSD_OK) { BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)"SD ERASE OK", LEFT_MODE); } else { BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)"SD ERASE FAIL", LEFT_MODE); print_FAIL(); } // Prepare the buffer to write Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x22FF); // Write status = BSP_SD_WriteBlocks(aTxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, SD_DATATIMEOUT); if (status == MSD_OK) { BSP_LCD_DisplayStringAt(0, LINE(7), (uint8_t *)"SD WRITE OK", LEFT_MODE); } else { BSP_LCD_DisplayStringAt(0, LINE(7), (uint8_t *)"SD WRITE FAIL", LEFT_MODE); print_FAIL(); } // Read status = BSP_SD_ReadBlocks(aRxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, SD_DATATIMEOUT); if (status == MSD_OK) { BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)"SD READ OK", LEFT_MODE); } else { BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)"SD READ FAIL", LEFT_MODE); print_FAIL(); } // Compare data if (Buffercmp(aTxBuffer, aRxBuffer, BUFFER_WORDS_SIZE) == 0) { BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)"SD DATA OK", LEFT_MODE); } else { BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)"SD DATA FAIL", LEFT_MODE); print_FAIL(); } int inpoly; float x[5] = { 1,4,4,1,1}; float y[5] = { 1,1,4,4,1}; float xtest = 2; float ytest = 2; while(1){ tempSerial = getTemp(t); inpoly = pnpoly(5,x, y, xtest,ytest); serial.printf("inpoly = %d\r\n", inpoly); wait(5); } } static void print_demo_title(void) { BSP_LCD_Init(); BSP_LCD_Clear(LCD_COLOR_WHITE); BSP_LCD_SetTextColor(LCD_COLOR_BLUE); BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 80); BSP_LCD_SetTextColor(LCD_COLOR_WHITE); BSP_LCD_SetBackColor(LCD_COLOR_BLUE); BSP_LCD_SetFont(&Font24); BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"SDCARD", CENTER_MODE); BSP_LCD_SetFont(&Font12); BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"This example shows how to write", CENTER_MODE); BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"and read data on the SDCard", CENTER_MODE); BSP_LCD_SetFont(&Font20); } //static void print_PASS(void) //{ // BSP_LCD_SetTextColor(LCD_COLOR_BLACK); // BSP_LCD_SetBackColor(LCD_COLOR_GREEN); // BSP_LCD_DisplayStringAt(0, LINE(11), (uint8_t *)"Demo OK", CENTER_MODE); //while(1); //} static void print_FAIL(void) { BSP_LCD_SetBackColor(LCD_COLOR_RED); BSP_LCD_DisplayStringAt(0, LINE(11), (uint8_t *)"Demo FAILED", CENTER_MODE); // while(1); } /** * @brief Fills buffer with user predefined data. * @param pBuffer: pointer on the buffer to fill * @param uwBufferLenght: size of the buffer to fill * @param uwOffset: first value to fill on the buffer * @retval None */ static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset) { uint32_t tmpIndex = 0; /* Put in global buffer different values */ for (tmpIndex = 0; tmpIndex < uwBufferLength; tmpIndex++ ) { pBuffer[tmpIndex] = tmpIndex + uwOffset; } } /** * @brief Compares two buffers. * @param pBuffer1, pBuffer2: buffers to be compared. * @param BufferLength: buffer's length * @retval 0: pBuffer2 identical to pBuffer1 * 1: pBuffer2 differs from pBuffer1 */ static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength) { while (BufferLength--) { if (*pBuffer1 != *pBuffer2) { return 1; } pBuffer1++; pBuffer2++; } return 0; }