Diff: main.cpp

Revision:

0:6f972a6c6770

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jun 10 11:05:23 2019 +0000
@@ -0,0 +1,125 @@
+#include "mbed.h"
+#include "SD_DISCO_F746NG.h"
+
+SD_DISCO_F746NG sd;
+Serial pc(USBTX, USBRX);
+
+#define BLOCK_START_ADDR         0     /* Block start address      */
+#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 = MSD_OK;
+    pc.printf("\n\nuSD start:\n\r");  
+    SD_state = sd.Init();
+    if(SD_state != MSD_OK){
+        if(SD_state == MSD_ERROR_SD_NOT_PRESENT){
+            pc.printf("xin gan the SD truoc khi test\n\r");
+        } else {
+            pc.printf("Khoi tao the SD: FAIL.\n\r");
+        }
+        pc.printf("Kiem tra the SD bi huy bo.\n\r");
+    } else {
+        pc.printf("Khoi tao the SD: OK.\n\r");
+        SD_state = sd.Erase(BLOCK_START_ADDR, (BLOCK_START_ADDR + NUM_OF_BLOCKS - 1));
+
+        /* Ð?i cho d?n khi th? SD s?n sàng  */
+        while(sd.GetCardState() != SD_TRANSFER_OK){
+        }
+        if (SD_state != MSD_OK){
+            pc.printf("Xoa the SD: FAILED.\n\r");
+            pc.printf("Kiem tra the SD bi huy bo.\n\r");
+        } else {
+            pc.printf("Xoa the SD: OK.\n\r");
+
+            /* Ghi vào b? d?m */
+            Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x2300);
+          
+            SD_state = sd.WriteBlocks(aTxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, 10000);
+            /* Ð?i cho d?n khi th? SD s?n sàng */
+            while(sd.GetCardState() != SD_TRANSFER_OK){
+            }
+
+            if (SD_state != MSD_OK){
+                pc.printf("Ghi du lieu len the SD: FAILED.\n\r");
+                pc.printf("Kiem tra the SD bi huy bo.\n\r");
+            } else {
+                pc.printf("Ghi du lieu len the SD: OK.\n\r");
+                SD_state = sd.ReadBlocks(aRxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, 10000);
+                /*Ð?i cho d?n khi th? SD s?n sàng */
+                while(sd.GetCardState() != SD_TRANSFER_OK){
+                }
+
+                if (SD_state != MSD_OK){
+                    pc.printf("Doc the SD: FAILED.\n\r");
+                    pc.printf("Kiem tra the SD bi huy bo.\n\r");
+                } else {
+                    pc.printf("Doc the SD: OK.\n\r");
+                    if(Buffercmp(aTxBuffer, aRxBuffer, BUFFER_WORDS_SIZE) > 0){
+                        pc.printf("So sanh the SD: FAILED.\n\r");
+                        pc.printf("Kiem tra the SD bi huy bo.\n\r");
+                    } else {
+                        pc.printf("Kiem tra the SD: OK.\n\r");
+                        pc.printf("Co the go bo the SD.\n\r");
+                    }
+                }
+            }
+        }
+    }
+  
+    while (1) {
+    }
+} 
+
+/**
+  * @brief  Ði?n vào b? d?m v?i d? li?u du?c xác d?nh tru?c c?a ngu?i dùng
+  * @param  pBuffer: con tr? trên b? d?m d? di?n
+  * @param  uwBufferLenght: kích thu?c c?a b? d?m d? di?n
+  * @param  uwOffset: giá tr? d?u tiên d? di?n vào b? d?m
+  * @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  So sánh hai b? d?m
+  * @param  pBuffer1, pBuffer2: b? d?m du?c so sánh
+  * @param  BufferLength: chi?u dài b? d?m
+  * @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;
+}
+
+