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45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*
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* This file is designed to support spi functions in Espruino for ESP32,
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* a JavaScript interpreter for Microcontrollers designed by Gordon Williams
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*
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* Copyright (C) 2016 by Rhys Williams (wilberforce)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* ----------------------------------------------------------------------------
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* This file is designed to be parsed during the build process
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*
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* Contains ESP32 board specific functions.
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* ----------------------------------------------------------------------------
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*/
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#include "jspininfo.h"
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#include "jshardware.h"
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#include "driver/gpio.h"
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#include "driver/spi_master.h"
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// Convert an Espruino pin to an ESP32 pin number.
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gpio_num_t pinToESP32Pin(Pin pin);
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#define SPIMax 2
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struct SPIChannel{
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spi_device_handle_t spi;
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bool spi_read;
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uint32_t g_lastSPIRead;
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spi_host_device_t HOST;
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};
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struct SPIChannel SPIChannels[SPIMax];
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void SPIChannelsInit();
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void SPIReset();
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void jshSPISetup( IOEventFlags device, JshSPIInfo *inf );
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int jshSPISend( IOEventFlags device, int data );
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bool jshSPISendMany(IOEventFlags device, unsigned char *tx, unsigned char *rx, size_t count, void (*callback)());
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void jshSPISend16( IOEventFlags device, int data );
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void jshSPISet16( IOEventFlags device, bool is16 );
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void jshSPIWait( IOEventFlags device );
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void jshSPISetReceive(IOEventFlags device, bool isReceive);
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