/* Includes: */\r
#include "../AT90USBXXX/SPI.h"\r
#include "../../Common/Common.h"\r
- \r
- #if !defined(BOARD)\r
- #error BOARD must be set in makefile to a value specified in BoardTypes.h.\r
- #elif (BOARD == BOARD_USBKEY)\r
- #include "USBKEY/Dataflash.h"\r
- #elif (BOARD == BOARD_STK525)\r
- #include "STK525/Dataflash.h"\r
- #elif (BOARD == BOARD_STK526)\r
- #include "STK526/Dataflash.h"\r
- #elif (BOARD == BOARD_USER)\r
- #include "Board/Dataflash.h"\r
- #else\r
- #error The selected board does not contain a dataflash IC.\r
- #endif\r
- \r
+ \r
/* Enable C linkage for C++ Compilers: */\r
#if defined(__cplusplus)\r
extern "C" {\r
#define Dataflash_DeselectChip() Dataflash_SelectChip(DATAFLASH_NO_CHIP)\r
\r
/* Inline Functions: */\r
- /** Initializes the dataflash driver (including the SPI driver) so that commands and data may be\r
- * sent to an attached dataflash IC.\r
- *\r
- * \param PrescalerMask SPI prescaler mask, see SPI.h documentation\r
- */\r
- static inline void Dataflash_Init(const uint8_t PrescalerMask)\r
- {\r
- DATAFLASH_CHIPCS_DDR |= DATAFLASH_CHIPCS_MASK;\r
- DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;\r
-\r
- SPI_Init(PrescalerMask, true);\r
- }\r
-\r
/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.\r
*\r
* \param Byte of data to send to the dataflash\r
{\r
return SPI_ReceiveByte();\r
}\r
+\r
+ /* Includes: */\r
+ #if !defined(BOARD)\r
+ #error BOARD must be set in makefile to a value specified in BoardTypes.h.\r
+ #elif (BOARD == BOARD_USBKEY)\r
+ #include "USBKEY/Dataflash.h"\r
+ #elif (BOARD == BOARD_STK525)\r
+ #include "STK525/Dataflash.h"\r
+ #elif (BOARD == BOARD_STK526)\r
+ #include "STK526/Dataflash.h"\r
+ #elif (BOARD == BOARD_USER)\r
+ #include "Board/Dataflash.h"\r
+ #else\r
+ #error The selected board does not contain a dataflash IC.\r
+ #endif\r
+\r
+ /* Inline Functions: */\r
+ /** Initializes the dataflash driver (including the SPI driver) so that commands and data may be\r
+ * sent to an attached dataflash IC.\r
+ *\r
+ * \param PrescalerMask SPI prescaler mask, see SPI.h documentation\r
+ */\r
+ static inline void Dataflash_Init(const uint8_t PrescalerMask)\r
+ {\r
+ DATAFLASH_CHIPCS_DDR |= DATAFLASH_CHIPCS_MASK;\r
+ DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;\r
+\r
+ SPI_Init(PrescalerMask, true);\r
+ }\r
\r
/** Toggles the select line of the currently selected dataflash IC, so that it is ready to receive\r
* a new command.\r
*/\r
static inline void Dataflash_ToggleSelectedChipCS(void)\r
{\r
- #if (DATAFLASH_TOTALCHIPS == 2)\r
- uint8_t SelectedChipMask = Dataflash_GetSelectedChip();\r
+ uint8_t SelectedChipMask = Dataflash_GetSelectedChip();\r
\r
- Dataflash_DeselectChip();\r
- Dataflash_SelectChip(SelectedChipMask);\r
- #else\r
- Dataflash_DeselectChip();\r
- Dataflash_SelectChip(DATAFLASH_CHIP1); \r
- #endif\r
+ Dataflash_DeselectChip();\r
+ Dataflash_SelectChip(SelectedChipMask);\r
}\r
\r
/** Spinloops while the currently selected dataflash is busy executing a command, such as a main\r
\r
/** Selects a dataflash IC from the given page number, which should range from 0 to\r
* ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). For boards containing only one\r
- * dataflash IC, this will select DATAFLASH_CHIP1. If the given page number is outside the total number\r
- * of pages contained in the boards dataflash ICs, all dataflash ICs are deselected.\r
+ * dataflash IC, this will select DATAFLASH_CHIP1. If the given page number is outside\r
+ * the total number of pages contained in the boards dataflash ICs, all dataflash ICs\r
+ * are deselected.\r
*\r
* \param PageAddress Address of the page to manipulate, ranging from\r
* ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).\r
*/\r
- static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress)\r
- {\r
- Dataflash_DeselectChip();\r
- \r
- if (PageAddress >= (DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS))\r
- return;\r
-\r
- #if (DATAFLASH_TOTALCHIPS == 2)\r
- if (PageAddress & 0x01)\r
- Dataflash_SelectChip(DATAFLASH_CHIP2);\r
- else\r
- Dataflash_SelectChip(DATAFLASH_CHIP1);\r
- #else\r
- Dataflash_SelectChip(DATAFLASH_CHIP1);\r
- #endif\r
- }\r
+ static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress);\r
\r
/** Sends a set of page and buffer address bytes to the currently selected dataflash IC, for use with\r
* dataflash commands which require a complete 24-byte address.\r
* \param PageAddress Page address within the selected dataflash IC\r
* \param BufferByte Address within the dataflash's buffer\r
*/\r
- static inline void Dataflash_SendAddressBytes(uint16_t PageAddress, const uint16_t BufferByte)\r
- { \r
- #if (DATAFLASH_TOTALCHIPS == 2)\r
- PageAddress >>= 1;\r
- #endif\r
-\r
- Dataflash_SendByte(PageAddress >> 5);\r
- Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8));\r
- Dataflash_SendByte(BufferByte);\r
- }\r
+ static inline void Dataflash_SendAddressBytes(uint16_t PageAddress, const uint16_t BufferByte);\r
\r
/* Disable C linkage for C++ Compilers: */\r
#if defined(__cplusplus)\r
projects / pub / USBasp.git / blobdiff