Search found 3 matches

by mgrunt
Wed Apr 20, 2016 6:30 pm
Forum: Showcase
Topic: HSPI PORT OVERLAP MODE DEMO
Replies: 9
Views: 22268

Re: HSPI PORT OVERLAP MODE DEMO

Hello, I found this post over Google. I have question. It is possible connect to display any other SPI device (for example SRAM)? Or otherwise. It is possible connect to SPI to which it is attached FLASH two SPI device? If yes, how to setup CS for two device? Thank you a lot.

MG
by mgrunt
Mon Apr 18, 2016 6:01 pm
Forum: ESP8266 SDK
Topic: SPI overlap
Replies: 1
Views: 1992

Re: SPI overlap

I found the mistake in file spi_overlap.c (SDK example). Function spi_overlap_init() ans spi_overlap_deinit() is the same!!! void ICACHE_FLASH_ATTR hspi_overlap_init(void) { //hspi overlap to spi, two spi masters on cspi SET_PERI_REG_MASK(HOST_INF_SEL, reg_cspi_overlap); //set higher priority for sp...
by mgrunt
Sun Apr 17, 2016 5:05 pm
Forum: ESP8266 SDK
Topic: SPI overlap
Replies: 1
Views: 1992

SPI overlap

Hello, I have SPI RAM (23LC1024) which is connected to SPI (no HSPI) and using this functions to init - spiRamInit() which includes SPI overlap: https://github.com/espressif/ESP8266_MP3_DECODER/blob/master/mp3/driver/spiram.c Now I can connect to same SPI second device (now I have connect to HSPI bu...

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