PHung Tung
SPKT
Dependencies: mbed SD_DISCO_F746NG BSP_DISCO_F746NG
Revision 0:99e26e18b424, committed 2016-03-21
- Comitter:
- adustm
- Date:
- Mon Mar 21 13:29:31 2016 +0000
- Child:
- 1:db1ab82b35a7
- Commit message:
- SD demo for DISCO_F746NG
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BSP_DISCO_F746NG.lib Mon Mar 21 13:29:31 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/ST/code/BSP_DISCO_F746NG/#ee089790cdbb
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SD_DISCO_F746NG.lib Mon Mar 21 13:29:31 2016 +0000 @@ -0,0 +1,1 @@ +SD_DISCO_F746NG#9f8c87fd3af5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Mar 21 13:29:31 2016 +0000
@@ -0,0 +1,134 @@
+#include "mbed.h"
+#include "SD_DISCO_F746NG.h"
+
+SD_DISCO_F746NG sd;
+
+DigitalOut led_green(LED1);
+DigitalOut led_red(LED2);
+
+Serial pc(USBTX, USBRX);
+
+#define BLOCK_START_ADDR 0 /* Block start address */
+#define BLOCKSIZE 512 /* Block Size in Bytes */
+#define NUM_OF_BLOCKS 5 /* Total number of blocks */
+#define BUFFER_WORDS_SIZE ((BLOCKSIZE * NUM_OF_BLOCKS) >> 2) /* Total data size in bytes */
+
+uint32_t aTxBuffer[BUFFER_WORDS_SIZE];
+uint32_t aRxBuffer[BUFFER_WORDS_SIZE];
+/* Private function prototypes -----------------------------------------------*/
+void SD_main_test(void);
+void SD_Detection(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 main()
+{
+ uint8_t SD_state = SD_OK;
+ pc.printf("\n\nuSD example start:\n");
+ led_red = 0;
+
+ SD_state = sd.Init();
+ if(SD_state != SD_OK){
+ if(SD_state == MSD_ERROR_SD_NOT_PRESENT){
+ pc.printf("SD shall be inserted before running test\n");
+ } else {
+ pc.printf("SD Initialization : FAIL.\n");
+ }
+ pc.printf("SD Test Aborted.\n");
+ } else {
+ pc.printf("SD Initialization : OK.\n");
+
+ if(sd.Erase(BLOCK_START_ADDR, (BLOCKSIZE * NUM_OF_BLOCKS)) != SD_OK){
+ pc.printf("SD ERASE : FAILED.\n");
+ pc.printf("SD Test Aborted.\n");
+ } else {
+ pc.printf("SD ERASE : OK.\n");
+
+ /* Fill the buffer to write */
+ Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x22FF);
+
+ if(sd.WriteBlocks(aTxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS) != SD_OK){
+ pc.printf("SD WRITE : FAILED.\n");
+ pc.printf("SD Test Aborted.\n");
+ } else {
+ pc.printf("SD WRITE : OK.\n");
+
+ if(sd.ReadBlocks(aRxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS)!= SD_OK){
+ pc.printf("SD READ : FAILED.\n");
+ pc.printf("SD Test Aborted.\n");
+ } else {
+ pc.printf("SD READ : OK.\n");
+ if(Buffercmp(aTxBuffer, aRxBuffer, BUFFER_WORDS_SIZE) > 0){
+ pc.printf("SD COMPARE : FAILED.\n");
+ pc.printf("SD Test Aborted.\n");
+ } else {
+ pc.printf("SD Test : OK.\n");
+ pc.printf("SD can be removed.\n");
+ }
+ }
+ }
+ }
+ }
+
+ 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 1: pBuffer identical to pBuffer1
+ * 0: pBuffer 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;
+}
+
+/**
+ * @brief This function provides accurate delay (in milliseconds) based
+ * on variable incremented.
+ * @note In the default implementation , SysTick timer is the source of time base.
+ * It is used to generate interrupts at regular time intervals where uwTick
+ * is incremented.
+ * @note This function is the modified version of the __weak version contained in
+ * stm32f4xx_hal.c
+ * @param Delay: specifies the delay time length, in milliseconds.
+ * @retval None
+ */
+void HAL_Delay(__IO uint32_t Delay)
+{
+ wait_ms((int)Delay);
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-dev.lib Mon Mar 21 13:29:31 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-dev/#75b7d1f8d36d