\r
/* Includes: */\r
#include <avr/io.h>\r
+ #include <avr/interrupt.h>\r
#include <stdbool.h>\r
+ \r
+ #include <LUFA/Common/Common.h>\r
\r
+ /* Preprocessor Checks: */\r
+ #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))\r
+ #undef ENABLE_ISP_PROTOCOL\r
+ \r
+ #if !defined(ENABLE_PDI_PROTOCOL)\r
+ #define ENABLE_PDI_PROTOCOL\r
+ #endif\r
+ #endif\r
+\r
/* Defines: */\r
- #define PDIDATA_LINE_PORT PORTB\r
- #define PDIDATA_LINE_DDR DDRB\r
- #define PDIDATA_LINE_PIN PINB\r
- #define PDIDATA_LINE_MASK (1 << 2)\r
+ #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))\r
+ #define PDI_VIA_HARDWARE_USART\r
+ #else\r
+ #define BITBANG_PDIDATA_PORT PORTB\r
+ #define BITBANG_PDIDATA_DDR DDRB\r
+ #define BITBANG_PDIDATA_PIN PINB\r
+ #define BITBANG_PDIDATA_MASK (1 << 3)\r
+ \r
+ #define BITBANG_PDICLOCK_PORT RESET_LINE_PORT\r
+ #define BITBANG_PDICLOCK_DDR RESET_LINE_DDR\r
+ #define BITBANG_PDICLOCK_PIN RESET_LINE_PIN\r
+ #define BITBANG_PDICLOCK_MASK RESET_LINE_MASK\r
+ #endif\r
\r
- #define PDICLOCK_LINE_PORT RESET_LINE_PORT\r
- #define PDICLOCK_LINE_DDR RESET_LINE_DDR\r
- #define PDICLOCK_LINE_MASK RESET_LINE_MASK\r
-\r
- #define PDI_CMD_LDS 0x00\r
- #define PDI_CMD_LD 0x20\r
- #define PDI_CMD_STS 0x40\r
- #define PDI_CMD_ST 0x60\r
- #define PDI_CMD_LDCS 0x80\r
- #define PDI_CMD_REPEAT 0xA0\r
- #define PDI_CMD_STCS 0xC0\r
- #define PDI_CMD_KEY 0xE0\r
+ #define BITS_IN_FRAME 12\r
+ \r
+ #define PDI_NVM_TIMEOUT_MS 200\r
+ \r
+ #define PDI_CMD_LDS 0x00\r
+ #define PDI_CMD_LD 0x20\r
+ #define PDI_CMD_STS 0x40\r
+ #define PDI_CMD_ST 0x60\r
+ #define PDI_CMD_LDCS 0x80\r
+ #define PDI_CMD_REPEAT 0xA0\r
+ #define PDI_CMD_STCS 0xC0\r
+ #define PDI_CMD_KEY 0xE0\r
+ \r
+ #define PDI_STATUS_REG 0\r
+ #define PDI_RESET_REG 1\r
+ #define PDI_CTRL_REG 2\r
\r
- #define PD_STATUS_REG 0\r
- #define PD_RESET_REG 1\r
- #define PD_CTRL_REG 2\r
+ #define PDI_STATUS_NVM (1 << 1)\r
+ #define PDI_RESET_KEY 0x59\r
\r
- #define PDI_STATUS_NVM (1 << 1)\r
- #define PDI_RESET_KEY 0x59\r
+ #define PDI_NVMENABLE_KEY (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}\r
\r
+ #define PDI_DATSIZE_1BYTE 0\r
+ #define PDI_DATSIZE_2BYTES 1\r
+ #define PDI_DATSIZE_3BYTES 2\r
+ #define PDI_DATSIZE_4BYTES 3\r
\r
+ #define PDI_POINTER_INDIRECT 0\r
+ #define PDI_POINTER_INDIRECT_PI 1\r
+ #define PDI_POINTER_DIRECT 2\r
+ \r
/* Function Prototypes: */\r
- void PDITarget_SendByte(uint8_t Byte);\r
+ void PDITarget_EnableTargetPDI(void);\r
+ void PDITarget_DisableTargetPDI(void);\r
+ void PDITarget_SendByte(const uint8_t Byte);\r
uint8_t PDITarget_ReceiveByte(void);\r
+ void PDITarget_SendBreak(void);\r
+ bool PDITarget_WaitWhileNVMBusBusy(void);\r
\r
#endif\r