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ESP8266 데이터시트(PDF) 49 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

부품명 ESP8266
상세설명  General Purpose Input/Output Interface (GPIO)
PDF  117 Pages
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제조업체  ESPRESSIF [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.]
홈페이지  https://www.espressif.com/
Logo ESPRESSIF - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

ESP8266 데이터시트(HTML) 49 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

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!
4. SPI Communication User Guide
WRITE_PERI_REG(SPI_RD_STATUS(SpiNum_HSPI), 0x8A);
WRITE_PERI_REG(SPI_WR_STATUS(SpiNum_HSPI), 0x83);
}
spi_slave_isr_sta
// SPI interrupt callback function.
void spi_slave_isr_sta(void *para)
{
uint32 regvalue;
uint32 statusW, statusR, counter;
if (READ_PERI_REG(0x3ff00020)&BIT4) {
//following 3 lines is to clear isr signal
CLEAR_PERI_REG_MASK(SPI_SLAVE(SpiNum_SPI), 0x3ff);
} else if (READ_PERI_REG(0x3ff00020)&BIT7) { //bit7 is for hspi
isr,
regvalue = READ_PERI_REG(SPI_SLAVE(SpiNum_HSPI));
os_printf("spi_slave_isr_sta SPI_SLAVE[0x%08x]\n\r",
regvalue);
SPIIntClear(SpiNum_HSPI);
SET_PERI_REG_MASK(SPI_SLAVE(SpiNum_HSPI), SPI_SYNC_RESET);
SPIIntClear(SpiNum_HSPI);
SPIIntEnable(SpiNum_HSPI, SpiIntSrc_WrStaDone
| SpiIntSrc_RdStaDone
| SpiIntSrc_WrBufDone
| SpiIntSrc_RdBufDone);
if (regvalue & SPI_SLV_WR_BUF_DONE) {
// User can get data from the W0~W7
os_printf("spi_slave_isr_sta : SPI_SLV_WR_BUF_DONE\n\r");
} else if (regvalue & SPI_SLV_RD_BUF_DONE) {
// TO DO
os_printf("spi_slave_isr_sta : SPI_SLV_RD_BUF_DONE\n\r");
}
if (regvalue & SPI_SLV_RD_STA_DONE) {
statusR = READ_PERI_REG(SPI_RD_STATUS(SpiNum_HSPI));
Espressif
! /!
41 104
2017.05



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