4e4231069a
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5131 a1c6a512-1295-4272-9138-f99709370657
119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
#ifndef NULL
|
|
#define NULL ((void*)0)
|
|
#endif
|
|
|
|
#define TRUE 1
|
|
#define FALSE 0
|
|
|
|
// scalar types
|
|
typedef unsigned char UINT8;
|
|
typedef unsigned short UINT16;
|
|
typedef unsigned long UINT32;
|
|
typedef int BOOL;
|
|
|
|
typedef void(*tpFunc)(void); // type for execute
|
|
typedef int(*tpMain)(void); // type for start vector to main()
|
|
|
|
|
|
// structure of an image in the flash
|
|
typedef struct
|
|
{
|
|
UINT32* pDestination; // address to copy it to
|
|
UINT32 size; // how many bytes of payload (to the next header)
|
|
tpFunc pExecute; // entry point
|
|
UINT32 flags; // uncompressed or compressed
|
|
// end of header, now comes the payload
|
|
UINT32 image[]; // the binary image starts here
|
|
// after the payload, the next header may follow, all 0xFF if none
|
|
} tImage;
|
|
|
|
// flags valid for image header
|
|
#define IF_NONE 0x00000000
|
|
#define IF_UCL_2E 0x00000001 // image is compressed with UCL, algorithm 2e
|
|
|
|
|
|
// resolve platform dependency of F1 button check
|
|
#if defined PLATFORM_PLAYER
|
|
#define CHANNEL 1
|
|
#define F1_LOWER 0 // this is the "Menu" key
|
|
#define F1_UPPER 384
|
|
#define F2_LOWER 1024 // not present
|
|
#define F2_UPPER 1024
|
|
#define F3_LOWER 1024
|
|
#define F3_UPPER 1024
|
|
#elif defined PLATFORM_RECORDER
|
|
#define CHANNEL 4
|
|
#define F1_LOWER 250
|
|
#define F1_UPPER 499
|
|
#define F2_LOWER 500
|
|
#define F2_UPPER 699
|
|
#define F3_LOWER 900
|
|
#define F3_UPPER 1023
|
|
#elif defined PLATFORM_FM
|
|
#define CHANNEL 4
|
|
#define F1_LOWER 150
|
|
#define F1_UPPER 384
|
|
#define F2_LOWER 385
|
|
#define F2_UPPER 544
|
|
#define F3_LOWER 700
|
|
#define F3_UPPER 1023
|
|
#elif defined PLATFORM_ONDIO
|
|
#define CHANNEL 4
|
|
#define F1_LOWER 0x2EF // Ondio has no F1 button,
|
|
#define F1_UPPER 0x3FF // so we use "Right".
|
|
#define F2_LOWER 0x19D // Ondio has no F2 button,
|
|
#define F2_UPPER 0x245 // so we use "Up".
|
|
#define F3_LOWER 0x246 // Ondio has no F3 button,
|
|
#define F3_UPPER 0x2EE // so we use "Left".
|
|
#else
|
|
#error ("No platform given!")
|
|
#endif
|
|
|
|
#define FLASH_BASE 0x02000000 // start of the flash memory
|
|
#define FW_VERSION *(unsigned short*)(FLASH_BASE + 0xFE) // firmware version
|
|
|
|
|
|
// prototypes
|
|
void _main(void) __attribute__ ((section (".startup")));
|
|
int main(void);
|
|
void PlatformInit(void);
|
|
void DramInit(void);
|
|
int ucl_nrv2e_decompress_8(const UINT8 *src, UINT8 *dst, UINT32* dst_len);
|
|
void DecompressStart(tImage* pImage);
|
|
int ReadADC(int channel);
|
|
int ButtonPressed(void);
|
|
tImage* GetStartImage(int nPreferred);
|
|
// test functions
|
|
void SetLed(BOOL bOn);
|
|
void UartInit(void);
|
|
UINT8 UartRead(void);
|
|
void UartWrite(UINT8 byte);
|
|
void MiniMon(void);
|
|
|
|
|
|
// minimon commands
|
|
#define BAUDRATE 0x00 // followed by BRR value; response: command byte
|
|
#define ADDRESS 0x01 // followed by 4 bytes address; response: command byte
|
|
#define BYTE_READ 0x02 // response: 1 byte content
|
|
#define BYTE_WRITE 0x03 // followed by 1 byte content; response: command byte
|
|
#define BYTE_READ16 0x04 // response: 16 bytes content
|
|
#define BYTE_WRITE16 0x05 // followed by 16 bytes; response: command byte
|
|
#define BYTE_FLASH 0x06 // followed by 1 byte content; response: command byte
|
|
#define BYTE_FLASH16 0x07 // followed by 16 bytes; response: command byte
|
|
#define HALFWORD_READ 0x08 // response: 2 byte content
|
|
#define HALFWORD_WRITE 0x09 // followed by 2 byte content; response: command byte
|
|
#define EXECUTE 0x0A // response: command byte if call returns
|
|
#define VERSION 0x0B // response: version
|
|
|
|
|
|
// linker symbols
|
|
extern UINT32 begin_text[];
|
|
extern UINT32 end_text[];
|
|
extern UINT32 begin_data[];
|
|
extern UINT32 end_data[];
|
|
extern UINT32 begin_bss[];
|
|
extern UINT32 end_bss[];
|
|
extern UINT32 begin_stack[];
|
|
extern UINT32 end_stack[];
|
|
extern UINT32 begin_iramcopy[];
|
|
extern UINT32 total_size[];
|