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- #ifndef SPI_APP_H
- #define SPI_APP_H
- #include "spi_register.h"
- #include "rom.h"
- #include "osapi.h"
- #include "uart.h"
- #include "os_type.h"
- /*SPI number define*/
- #define SPI_SPI 0
- #define SPI_HSPI 1
- #define SPI_ORDER_LSB 0
- #define SPI_ORDER_MSB 1
- //lcd drive function
- void spi_lcd_mode_init(uint8 spi_no);
- void spi_lcd_9bit_write(uint8 spi_no,uint8 high_bit,uint8 low_8bit);
- //spi master init funtion
- uint32_t spi_set_clkdiv(uint8 spi_no, uint32_t clock_div);
- void spi_master_init(uint8 spi_no, unsigned cpol, unsigned cpha, uint32_t clock_div);
- void spi_mast_byte_order(uint8 spi_no, uint8 order);
- // blocked buffer write
- void spi_mast_blkset(uint8 spi_no, size_t bitlen, const uint8 *data);
- // blocked buffer read
- void spi_mast_blkget(uint8 spi_no, size_t bitlen, uint8 *data);
- // fill MOSI buffer
- void spi_mast_set_mosi(uint8 spi_no, uint16 offset, uint8 bitlen, uint32 data);
- // retrieve data from MISO buffer
- uint32 spi_mast_get_miso(uint8 spi_no, uint16 offset, uint8 bitlen);
- // initiate SPI transaction
- void spi_mast_transaction(uint8 spi_no, uint8 cmd_bitlen, uint16 cmd_data, uint8 addr_bitlen, uint32 addr_data,
- uint16 mosi_bitlen, uint8 dummy_bitlen, sint16 miso_bitlen);
- //transmit data to esp8266 slave buffer,which needs 16bit transmission ,
- //first byte is master command 0x04, second byte is master data
- void spi_byte_write_espslave(uint8 spi_no,uint8 data);
- //read data from esp8266 slave buffer,which needs 16bit transmission ,
- //first byte is master command 0x06, second byte is to read slave data
- void spi_byte_read_espslave(uint8 spi_no,uint8 *data);
- //esp8266 slave mode initial
- void spi_slave_init(uint8 spi_no);
- //esp8266 slave isr handle funtion,tiggered when any transmission is finished.
- //the function is registered in spi_slave_init.
- void spi_slave_isr_handler(void *para);
- //hspi test function, used to test esp8266 spi slave
- void hspi_master_readwrite_repeat(void);
- void ICACHE_FLASH_ATTR
- spi_test_init(void);
- #endif
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