WioLink SPI support?

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sammy.m93
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WioLink SPI support?

Post by sammy.m93 » Sat Apr 09, 2016 1:15 am

Hello guys,

First, thank you for the awesome product! I can't wait to start using it properly! My question is whether there is an SPI support for the WioLink and which are the pins for MISO, MOSI, CS and CLK. Any example will be appreciated as well :) Thank you!

Sammy

nevillekong
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Re: WioLink SPI support?

Post by nevillekong » Sat Apr 09, 2016 3:30 pm

sammy.m93 wrote:Hello guys,

First, thank you for the awesome product! I can't wait to start using it properly! My question is whether there is an SPI support for the WioLink and which are the pins for MISO, MOSI, CS and CLK. Any example will be appreciated as well :) Thank you!

Sammy
Hi,Sammy,Wio link does not support the SPI interface, but I think you can write the module by yourself, for more information, please head over to https://github.com/Seeed-Studio/Wio_Lin ... io-Link%3F

yexiaobo
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Re: WioLink SPI support?

Post by yexiaobo » Mon Apr 11, 2016 10:30 am

Hi Sammy,

Grove is modular hardware design for Plug-n-Play with 4-pins socket/interface. So, Grove supports 4 types interface/protocol which just need 4-pins or less IO, UART, Digital IO, Analog IO, I2C.

Unfortunately, SPI consists of 4-pin: MISO, MOSI, CS and CLK. So it can't be compatible with Grove System.

Actually, SPI as normal Digital IO in Wio Link, you can use SPI as an normal ESP8266 development, but you will lost a lot of features we provide, such as OTA, RESTful API. And also, you have to jumping wire to connecting SPI device.

BTW, here is the IO, not Pin Number(please open the image in new tab) which SPI has on Wio Link:
Image

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