spi.h 1.4 KB

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  1. #ifndef SPI_APP_H
  2. #define SPI_APP_H
  3. #include "spi_register.h"
  4. #include "ets_sys.h"
  5. #include "osapi.h"
  6. #include "uart.h"
  7. #include "os_type.h"
  8. #include "spi_flash.h"
  9. #define SPI_FLASH_BYTES_LEN 24
  10. #define IODATA_START_ADDR BIT0
  11. #define SPI_BUFF_BYTE_NUM 32
  12. /*SPI number define*/
  13. #define SPI 0
  14. #define HSPI 1
  15. void cache_flush(void);
  16. //spi master init funtion
  17. void spi_master_init(uint8 spi_no);
  18. //lcd drive function
  19. void spi_lcd_9bit_write(uint8 spi_no,uint8 high_bit,uint8 low_8bit);
  20. //use spi send 8bit data
  21. void spi_mast_byte_write(uint8 spi_no,uint8 data);
  22. //transmit data to esp8266 slave buffer,which needs 16bit transmission ,
  23. //first byte is master command 0x04, second byte is master data
  24. void spi_byte_write_espslave(uint8 spi_no,uint8 data);
  25. //read data from esp8266 slave buffer,which needs 16bit transmission ,
  26. //first byte is master command 0x06, second byte is to read slave data
  27. void spi_byte_read_espslave(uint8 spi_no,uint8 *data);
  28. //esp8266 slave mode initial
  29. void spi_slave_init(uint8 spi_no,uint8 data_len);
  30. //esp8266 slave isr handle funtion,tiggered when any transmission is finished.
  31. //the function is registered in spi_slave_init.
  32. void spi_slave_isr_handler(void *para);
  33. //hspi test function, used to test esp8266 spi slave
  34. void hspi_master_readwrite_repeat(void);
  35. void spi_test_init(void);
  36. #endif