Touch screen drivers control dashboard for miniature locomotive. Features meters for speed, volts, power. Switches for lights, horns. Drives multiple STM3_ESC brushless motor controllers for complete brushless loco system as used in "The Brute" - www.jons-workshop.com

Dependencies:   TS_DISCO_F746NG mbed Servo LCD_DISCO_F746NG BSP_DISCO_F746NG QSPI_DISCO_F746NG AsyncSerial FastPWM

Committer:
adustm
Date:
Mon Mar 21 13:29:31 2016 +0000
Revision:
0:99e26e18b424
Child:
2:522456118ea2
SD demo for DISCO_F746NG

Who changed what in which revision?

UserRevisionLine numberNew contents of line
adustm 0:99e26e18b424 1 #include "mbed.h"
adustm 0:99e26e18b424 2 #include "SD_DISCO_F746NG.h"
adustm 0:99e26e18b424 3
adustm 0:99e26e18b424 4 SD_DISCO_F746NG sd;
adustm 0:99e26e18b424 5
adustm 0:99e26e18b424 6 DigitalOut led_green(LED1);
adustm 0:99e26e18b424 7 DigitalOut led_red(LED2);
adustm 0:99e26e18b424 8
adustm 0:99e26e18b424 9 Serial pc(USBTX, USBRX);
adustm 0:99e26e18b424 10
adustm 0:99e26e18b424 11 #define BLOCK_START_ADDR 0 /* Block start address */
adustm 0:99e26e18b424 12 #define BLOCKSIZE 512 /* Block Size in Bytes */
adustm 0:99e26e18b424 13 #define NUM_OF_BLOCKS 5 /* Total number of blocks */
adustm 0:99e26e18b424 14 #define BUFFER_WORDS_SIZE ((BLOCKSIZE * NUM_OF_BLOCKS) >> 2) /* Total data size in bytes */
adustm 0:99e26e18b424 15
adustm 0:99e26e18b424 16 uint32_t aTxBuffer[BUFFER_WORDS_SIZE];
adustm 0:99e26e18b424 17 uint32_t aRxBuffer[BUFFER_WORDS_SIZE];
adustm 0:99e26e18b424 18 /* Private function prototypes -----------------------------------------------*/
adustm 0:99e26e18b424 19 void SD_main_test(void);
adustm 0:99e26e18b424 20 void SD_Detection(void);
adustm 0:99e26e18b424 21
adustm 0:99e26e18b424 22 static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLenght, uint32_t uwOffset);
adustm 0:99e26e18b424 23 static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength);
adustm 0:99e26e18b424 24
adustm 0:99e26e18b424 25 int main()
adustm 0:99e26e18b424 26 {
adustm 0:99e26e18b424 27 uint8_t SD_state = SD_OK;
adustm 0:99e26e18b424 28 pc.printf("\n\nuSD example start:\n");
adustm 0:99e26e18b424 29 led_red = 0;
adustm 0:99e26e18b424 30
adustm 0:99e26e18b424 31 SD_state = sd.Init();
adustm 0:99e26e18b424 32 if(SD_state != SD_OK){
adustm 0:99e26e18b424 33 if(SD_state == MSD_ERROR_SD_NOT_PRESENT){
adustm 0:99e26e18b424 34 pc.printf("SD shall be inserted before running test\n");
adustm 0:99e26e18b424 35 } else {
adustm 0:99e26e18b424 36 pc.printf("SD Initialization : FAIL.\n");
adustm 0:99e26e18b424 37 }
adustm 0:99e26e18b424 38 pc.printf("SD Test Aborted.\n");
adustm 0:99e26e18b424 39 } else {
adustm 0:99e26e18b424 40 pc.printf("SD Initialization : OK.\n");
adustm 0:99e26e18b424 41
adustm 0:99e26e18b424 42 if(sd.Erase(BLOCK_START_ADDR, (BLOCKSIZE * NUM_OF_BLOCKS)) != SD_OK){
adustm 0:99e26e18b424 43 pc.printf("SD ERASE : FAILED.\n");
adustm 0:99e26e18b424 44 pc.printf("SD Test Aborted.\n");
adustm 0:99e26e18b424 45 } else {
adustm 0:99e26e18b424 46 pc.printf("SD ERASE : OK.\n");
adustm 0:99e26e18b424 47
adustm 0:99e26e18b424 48 /* Fill the buffer to write */
adustm 0:99e26e18b424 49 Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x22FF);
adustm 0:99e26e18b424 50
adustm 0:99e26e18b424 51 if(sd.WriteBlocks(aTxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS) != SD_OK){
adustm 0:99e26e18b424 52 pc.printf("SD WRITE : FAILED.\n");
adustm 0:99e26e18b424 53 pc.printf("SD Test Aborted.\n");
adustm 0:99e26e18b424 54 } else {
adustm 0:99e26e18b424 55 pc.printf("SD WRITE : OK.\n");
adustm 0:99e26e18b424 56
adustm 0:99e26e18b424 57 if(sd.ReadBlocks(aRxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS)!= SD_OK){
adustm 0:99e26e18b424 58 pc.printf("SD READ : FAILED.\n");
adustm 0:99e26e18b424 59 pc.printf("SD Test Aborted.\n");
adustm 0:99e26e18b424 60 } else {
adustm 0:99e26e18b424 61 pc.printf("SD READ : OK.\n");
adustm 0:99e26e18b424 62 if(Buffercmp(aTxBuffer, aRxBuffer, BUFFER_WORDS_SIZE) > 0){
adustm 0:99e26e18b424 63 pc.printf("SD COMPARE : FAILED.\n");
adustm 0:99e26e18b424 64 pc.printf("SD Test Aborted.\n");
adustm 0:99e26e18b424 65 } else {
adustm 0:99e26e18b424 66 pc.printf("SD Test : OK.\n");
adustm 0:99e26e18b424 67 pc.printf("SD can be removed.\n");
adustm 0:99e26e18b424 68 }
adustm 0:99e26e18b424 69 }
adustm 0:99e26e18b424 70 }
adustm 0:99e26e18b424 71 }
adustm 0:99e26e18b424 72 }
adustm 0:99e26e18b424 73
adustm 0:99e26e18b424 74 while (1) {
adustm 0:99e26e18b424 75 }
adustm 0:99e26e18b424 76 }
adustm 0:99e26e18b424 77
adustm 0:99e26e18b424 78 /**
adustm 0:99e26e18b424 79 * @brief Fills buffer with user predefined data.
adustm 0:99e26e18b424 80 * @param pBuffer: pointer on the buffer to fill
adustm 0:99e26e18b424 81 * @param uwBufferLenght: size of the buffer to fill
adustm 0:99e26e18b424 82 * @param uwOffset: first value to fill on the buffer
adustm 0:99e26e18b424 83 * @retval None
adustm 0:99e26e18b424 84 */
adustm 0:99e26e18b424 85 static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset)
adustm 0:99e26e18b424 86 {
adustm 0:99e26e18b424 87 uint32_t tmpIndex = 0;
adustm 0:99e26e18b424 88
adustm 0:99e26e18b424 89 /* Put in global buffer different values */
adustm 0:99e26e18b424 90 for (tmpIndex = 0; tmpIndex < uwBufferLength; tmpIndex++ )
adustm 0:99e26e18b424 91 {
adustm 0:99e26e18b424 92 pBuffer[tmpIndex] = tmpIndex + uwOffset;
adustm 0:99e26e18b424 93 }
adustm 0:99e26e18b424 94 }
adustm 0:99e26e18b424 95
adustm 0:99e26e18b424 96 /**
adustm 0:99e26e18b424 97 * @brief Compares two buffers.
adustm 0:99e26e18b424 98 * @param pBuffer1, pBuffer2: buffers to be compared.
adustm 0:99e26e18b424 99 * @param BufferLength: buffer's length
adustm 0:99e26e18b424 100 * @retval 1: pBuffer identical to pBuffer1
adustm 0:99e26e18b424 101 * 0: pBuffer differs from pBuffer1
adustm 0:99e26e18b424 102 */
adustm 0:99e26e18b424 103 static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength)
adustm 0:99e26e18b424 104 {
adustm 0:99e26e18b424 105 while (BufferLength--)
adustm 0:99e26e18b424 106 {
adustm 0:99e26e18b424 107 if (*pBuffer1 != *pBuffer2)
adustm 0:99e26e18b424 108 {
adustm 0:99e26e18b424 109 return 1;
adustm 0:99e26e18b424 110 }
adustm 0:99e26e18b424 111
adustm 0:99e26e18b424 112 pBuffer1++;
adustm 0:99e26e18b424 113 pBuffer2++;
adustm 0:99e26e18b424 114 }
adustm 0:99e26e18b424 115
adustm 0:99e26e18b424 116 return 0;
adustm 0:99e26e18b424 117 }
adustm 0:99e26e18b424 118
adustm 0:99e26e18b424 119 /**
adustm 0:99e26e18b424 120 * @brief This function provides accurate delay (in milliseconds) based
adustm 0:99e26e18b424 121 * on variable incremented.
adustm 0:99e26e18b424 122 * @note In the default implementation , SysTick timer is the source of time base.
adustm 0:99e26e18b424 123 * It is used to generate interrupts at regular time intervals where uwTick
adustm 0:99e26e18b424 124 * is incremented.
adustm 0:99e26e18b424 125 * @note This function is the modified version of the __weak version contained in
adustm 0:99e26e18b424 126 * stm32f4xx_hal.c
adustm 0:99e26e18b424 127 * @param Delay: specifies the delay time length, in milliseconds.
adustm 0:99e26e18b424 128 * @retval None
adustm 0:99e26e18b424 129 */
adustm 0:99e26e18b424 130 void HAL_Delay(__IO uint32_t Delay)
adustm 0:99e26e18b424 131 {
adustm 0:99e26e18b424 132 wait_ms((int)Delay);
adustm 0:99e26e18b424 133 }
adustm 0:99e26e18b424 134