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50 lines
1.4 KiB
50 lines
1.4 KiB
#ifndef SPI_APP_H
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#define SPI_APP_H
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#include "spi_register.h"
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#include "ets_sys.h"
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#include "osapi.h"
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#include "uart.h"
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#include "os_type.h"
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#include "spi_flash.h"
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#define SPI_FLASH_BYTES_LEN 24
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#define IODATA_START_ADDR BIT0
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#define SPI_BUFF_BYTE_NUM 32
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/*SPI number define*/
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#define SPI 0
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#define HSPI 1
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void cache_flush(void);
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//spi master init funtion
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void spi_master_init(uint8 spi_no);
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//lcd drive function
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void spi_lcd_9bit_write(uint8 spi_no,uint8 high_bit,uint8 low_8bit);
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//use spi send 8bit data
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void spi_mast_byte_write(uint8 spi_no,uint8 data);
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//transmit data to esp8266 slave buffer,which needs 16bit transmission ,
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//first byte is master command 0x04, second byte is master data
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void spi_byte_write_espslave(uint8 spi_no,uint8 data);
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//read data from esp8266 slave buffer,which needs 16bit transmission ,
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//first byte is master command 0x06, second byte is to read slave data
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void spi_byte_read_espslave(uint8 spi_no,uint8 *data);
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//esp8266 slave mode initial
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void spi_slave_init(uint8 spi_no,uint8 data_len);
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//esp8266 slave isr handle funtion,tiggered when any transmission is finished.
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//the function is registered in spi_slave_init.
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void spi_slave_isr_handler(void *para);
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//hspi test function, used to test esp8266 spi slave
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void hspi_master_readwrite_repeat(void);
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void spi_test_init(void);
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#endif
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