2017-03-31 03:05:25 -04:00
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## SPI slave example
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These two projects illustrate the SPI Slave driver. They're supposed to be flashed into two separate ESP32s connected to
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eachother using the SPI pins defined in app_main.c. Once connected and flashed, they will use the spi master and spi slave
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driver to communicate with eachother. The example also includes a handshaking line to allow the master to only poll the
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2017-04-12 23:14:35 -04:00
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slave when it is actually ready to parse a transaction.
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Please run wires between the following GPIOs between the slave and master to make the example function:
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========= ====== =======
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Signal Slave Master
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========= ====== =======
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Handshake GPIO2 GPIO2
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MOSI GPIO12 GPIO12
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MISO GPIO13 GPIO13
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SCLK GPIO15 GPIO15
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CS GPIO14 GPIO14
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========= ====== =======
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Be aware that the example by default uses lines normally reserved for JTAG. If this is an issue, either because of hardwired
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JTAG hardware or because of the need to do JTAG debugging, feel free to change the GPIO settings by editing defines in the top
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of main.c in the master/slave source code.
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