12345678910111213141516171819202122232425262728293031323334353637383940414243 |
- #ifndef DRV_SPI_H
- #define DRV_SPI_H
- #include <rtthread.h>
- #include <rthw.h>
- #define RFEMPTY 1
- #define KSEG1_STORE8(addr,val) *(volatile char *)(0xffffffffa0000000 | addr) = val
- #define KSEG1_LOAD8(addr) *(volatile char *)(0xffffffffa0000000 | addr)
- #define APB_MAX_SPEED 125000000U
- #define APB_FREQSCALE (((KSEG1_LOAD8(0xffffffffbfe104d2)>>4)&0x7)+1)
- #define SPI_BASE 0x1fff0220
- #define PMON_ADDR 0xa1000000
- #define FLASH_ADDR 0x000000
- #define SPCR 0x0
- #define SPSR 0x1
- #define FIFO 0x2
- #define TXFIFO 0x2
- #define RXFIFO 0x2
- #define SPER 0x3
- #define PARAM 0x4
- #define SOFTCS 0x5
- #define PARAM2 0x6
- #define SET_SPI(addr,val) KSEG1_STORE8(SPI_BASE+addr,val)
- #define GET_SPI(addr) KSEG1_LOAD8(SPI_BASE+addr)
- //void spi_init(uint8_t ,uint8_t,uint8_t);
- //void spi_set_csn(uint8_t);
- //uint8_t spi_write_for_response(uint8_t);
- #endif
|