* SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING |
* SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
* Dataflash_Init();
- *
+ *
* uint8_t WriteBuffer[DATAFLASH_PAGE_SIZE];
* uint8_t ReadBuffer[DATAFLASH_PAGE_SIZE];
- *
+ *
* // Fill page write buffer with a repeating pattern
* for (uint16_t i = 0; i < DATAFLASH_PAGE_SIZE; i++)
* WriteBuffer[i] = (i & 0xFF);
- *
+ *
* // Must select the chip of interest first before operating on it
* Dataflash_SelectChip(DATAFLASH_CHIP1);
- *
+ *
* // Write to the Dataflash's first internal memory buffer
* printf("Writing data to first dataflash buffer:\r\n");
* Dataflash_SendByte(DF_CMD_BUFF1WRITE);
* Dataflash_SendAddressBytes(0, 0);
- *
+ *
* for (uint16_t i = 0; i < DATAFLASH_PAGE_SIZE; i++)
* Dataflash_SendByte(WriteBuffer[i]);
- *
+ *
* // Commit the Dataflash's first memory buffer to the non-volatile FLASH memory
* printf("Committing page to non-volatile memory page index 5:\r\n");
* Dataflash_SendByte(DF_CMD_BUFF1TOMAINMEMWITHERASE);
* Dataflash_SendAddressBytes(5, 0);
* Dataflash_WaitWhileBusy();
- *
+ *
* // Read the page from non-volatile FLASH memory into the Dataflash's second memory buffer
* printf("Reading data into second dataflash buffer:\r\n");
* Dataflash_SendByte(DF_CMD_MAINMEMTOBUFF2);
* Dataflash_SendAddressBytes(5, 0);
* Dataflash_WaitWhileBusy();
- *
+ *
* // Read the Dataflash's second internal memory buffer
* Dataflash_SendByte(DF_CMD_BUFF2READ);
* Dataflash_SendAddressBytes(0, 0);
- *
+ *
* for (uint16_t i = 0; i < DATAFLASH_PAGE_SIZE; i++)
* ReadBuffer[i] = Dataflash_ReceiveByte();
- *
+ *
* // Deselect the chip after use
* Dataflash_DeselectChip();
* \endcode
/* Includes: */
#include "../../Common/Common.h"
- #include "../Peripheral/SPI.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
/* Inline Functions: */
/** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.
*
- * \note The microcontroller's SPI driver must be initialized before any of the dataflash commands are used.
+ * \note The microcontroller's physical interface driver connected to the Dataflash IC must be initialized before
+ * any of the dataflash commands are used. This is usually a SPI hardware port, but on some devices/boards may
+ * be a USART operating in SPI Master mode.
*/
static inline void Dataflash_Init(void);