112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
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#ifndef NULL
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#define NULL ((void*)0)
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#endif
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#define TRUE 1
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#define FALSE 0
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// scalar types
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typedef unsigned char UINT8;
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typedef unsigned short UINT16;
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typedef unsigned long UINT32;
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typedef int BOOL;
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typedef void(*tpFunc)(void); // type for execute
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typedef int(*tpMain)(void); // type for start vector to main()
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// structure of an image in the flash
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typedef struct
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{
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UINT32* pDestination; // address to copy it to
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UINT32 size; // how many bytes of payload (to the next header)
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tpFunc pExecute; // entry point
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UINT32 flags; // uncompressed or compressed
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// end of header, now comes the payload
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UINT32 image[]; // the binary image starts here
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// after the payload, the next header may follow, all 0xFF if none
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} tImage;
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// flags valid for image header
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#define IF_NONE 0x00000000
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#define IF_UCL_2E 0x00000001 // image is compressed with UCL, algorithm 2e
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// resolve platform dependency of F1 button check
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#if defined PLATFORM_PLAYER
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#define CHANNEL 1
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#define F1_LOWER 0 // this is the "Menu" key
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#define F1_UPPER 384
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#define F2_LOWER 1024 // not present
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#define F2_UPPER 1024
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#define F3_LOWER 1024
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#define F3_UPPER 1024
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#elif defined PLATFORM_RECORDER
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#define CHANNEL 4
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#define F1_LOWER 250
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#define F1_UPPER 499
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#define F2_LOWER 500
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#define F2_UPPER 699
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#define F3_LOWER 900
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#define F3_UPPER 1023
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#elif defined PLATFORM_FM
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#define CHANNEL 4
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#define F1_LOWER 150
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#define F1_UPPER 384
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#define F2_LOWER 385
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#define F2_UPPER 544
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#define F3_LOWER 700
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#define F3_UPPER 1023
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#else
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#error ("No platform given!")
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#endif
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#define FLASH_BASE 0x02000000 // start of the flash memory
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#define FW_VERSION *(unsigned short*)(FLASH_BASE + 0xFE) // firmware version
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// prototypes
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void _main(void) __attribute__ ((section (".startup")));
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int main(void);
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void PlatformInit(void);
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void DramInit(void);
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int ucl_nrv2e_decompress_8(const UINT8 *src, UINT8 *dst, UINT32* dst_len);
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void DecompressStart(tImage* pImage);
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int ReadADC(int channel);
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int ButtonPressed(void);
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tImage* GetStartImage(int nPreferred);
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// test functions
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void SetLed(BOOL bOn);
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void UartInit(void);
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UINT8 UartRead(void);
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void UartWrite(UINT8 byte);
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void MiniMon(void);
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// minimon commands
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#define BAUDRATE 0x00 // followed by BRR value; response: command byte
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#define ADDRESS 0x01 // followed by 4 bytes address; response: command byte
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#define BYTE_READ 0x02 // response: 1 byte content
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#define BYTE_WRITE 0x03 // followed by 1 byte content; response: command byte
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#define BYTE_READ16 0x04 // response: 16 bytes content
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#define BYTE_WRITE16 0x05 // followed by 16 bytes; response: command byte
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#define BYTE_FLASH 0x06 // followed by 1 byte content; response: command byte
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#define BYTE_FLASH16 0x07 // followed by 16 bytes; response: command byte
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#define HALFWORD_READ 0x08 // response: 2 byte content
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#define HALFWORD_WRITE 0x09 // followed by 2 byte content; response: command byte
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#define EXECUTE 0x0A // response: command byte if call returns
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#define VERSION 0x0B // response: version
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// linker symbols
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extern UINT32 begin_text[];
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extern UINT32 end_text[];
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extern UINT32 begin_data[];
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extern UINT32 end_data[];
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extern UINT32 begin_bss[];
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extern UINT32 end_bss[];
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extern UINT32 begin_stack[];
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extern UINT32 end_stack[];
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extern UINT32 begin_iramcopy[];
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extern UINT32 total_size[];
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