*

2025-05-13 02:03:18 +03:00
parent 72860c7968
commit 90ef6120fd
463 changed files with 380758 additions and 2 deletions
@@ -0,0 +1,42 @@
+/* vim: set ai et ts=4 sw=4: */
+#ifndef __SDCARD_H__
+#define __SDCARD_H__
+
+#include "stm32h7xx_hal.h"
+
+#define SDCARD_SPI_PORT      hspi3
+#define SDCARD_CS_Pin        GPIO_PIN_15 // Arduino shield: D4
+#define SDCARD_CS_GPIO_Port  GPIOA
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// call before initializing any SPI devices
+void SDCARD_Unselect();
+
+// all procedures return 0 on success, < 0 on failure
+
+int SDCARD_Init();
+int SDCARD_GetBlocksNumber(uint32_t* num);
+int SDCARD_ReadSingleBlock(uint32_t blockNum, uint8_t* buff); // sizeof(buff) == 512!
+int SDCARD_WriteSingleBlock(uint32_t blockNum, const uint8_t* buff); // sizeof(buff) == 512!
+
+// Read Multiple Blocks
+int SDCARD_ReadBegin(uint32_t blockNum);
+int SDCARD_ReadData(uint8_t* buff); // sizeof(buff) == 512!
+int SDCARD_ReadEnd();
+
+// Write Multiple Blocks
+int SDCARD_WriteBegin(uint32_t blockNum);
+int SDCARD_WriteData(const uint8_t* buff); // sizeof(buff) == 512!
+int SDCARD_WriteEnd();
+
+// TODO: read lock flag? CMD13, SEND_STATUS
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __SDCARD_H__