53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
#ifndef SPI_APP_H
|
|
#define SPI_APP_H
|
|
|
|
#include "spi_register.h"
|
|
#include "ets_sys.h"
|
|
#include "osapi.h"
|
|
#include "uart.h"
|
|
#include "os_type.h"
|
|
|
|
/*SPI number define*/
|
|
#define SPI 0
|
|
#define HSPI 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
|
|
void spi_master_init(uint8 spi_no, unsigned cpol, unsigned cpha, unsigned databits, uint32_t clock_div);
|
|
//use spi send 8bit data
|
|
void spi_mast_byte_write(uint8 spi_no,uint8 *data);
|
|
|
|
void spi_set_mosi(uint8 spi_no, uint8 offset, uint8 bitlen, uint32 data);
|
|
void spi_mast_transaction(uint8 spi_no, uint8 cmd_bitlen, uint16 cmd_data, uint8 addr_bitlen, uint32 addr_data,
|
|
uint8 mosi_bitlen, uint8 dummy_bitlen, uint8 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
|
|
|