ESP8266 datasheet(62/117 Pages) ESPRESSIF

Part #	ESP8266

Description	General Purpose Input/Output Interface (GPIO)

PDF	117 Pages

Scroll/Zoom	100%

Manufacturer	ESPRESSIF [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.]

Direct Link	https://www.espressif.com/

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62 / 117 page

6. SPI Wi-Fi Passthrough 1-Interrupt Mode

CLEAR_PERI_REG_MASK(SPI_SLAVE(SPI), 0x3ff);

}else if(READ_PERI_REG(0x3ff00020)&BIT7){ //bit7 is for hspi

isr,

// record the interrupt status

regvalue=READ_PERI_REG(SPI_SLAVE(HSPI));

//***********interrupt handler flag, end this

passthrough************//

CLEAR_PERI_REG_MASK(SPI_SLAVE(HSPI),

SPI_TRANS_DONE_EN|

SPI_SLV_WR_STA_DONE_EN|

SPI_SLV_RD_STA_DONE_EN|

SPI_SLV_WR_BUF_DONE_EN|

SPI_SLV_RD_BUF_DONE_EN);

SET_PERI_REG_MASK(SPI_SLAVE(HSPI), SPI_SYNC_RESET);

CLEAR_PERI_REG_MASK(SPI_SLAVE(HSPI),

SPI_TRANS_DONE|

SPI_SLV_WR_STA_DONE|

SPI_SLV_RD_STA_DONE|

SPI_SLV_WR_BUF_DONE|

SPI_SLV_RD_BUF_DONE);

SET_PERI_REG_MASK(SPI_SLAVE(HSPI),

SPI_TRANS_DONE_EN|

SPI_SLV_WR_STA_DONE_EN|

SPI_SLV_RD_STA_DONE_EN|

SPI_SLV_WR_BUF_DONE_EN|

SPI_SLV_RD_BUF_DONE_EN);

*******************************************************//

/****************master writes interrupt

handler***************/

Espressif

! /!

54 104

2017.05

ESP8266 Datasheet(PDF) 62 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.