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120 lines
3.7 KiB
C++
120 lines
3.7 KiB
C++
/*
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WifioWiring.cpp - Wiring API implementation for the WIFIO board
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Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
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This file is part of the esp8266 core for Arduino environment.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "wiring_private.h"
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#include "WifioProtocol.h"
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namespace wifio {
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const int WIFIO_AVR_SLAVE_ADDR=0x23;
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void pinMode(int avrPin, int mode) {
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PinModeCommand cmd { MAGIC, CMD_PINMODE, static_cast<uint8_t>(avrPin), static_cast<uint8_t>(mode) };
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sendCommand(WIFIO_AVR_SLAVE_ADDR, cmd);
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}
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void digitalWrite(int avrPin, int value) {
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DigitalWriteCommand cmd { MAGIC, CMD_DIGITALWRITE, static_cast<uint8_t>(avrPin), static_cast<uint8_t>(value) };
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sendCommand(WIFIO_AVR_SLAVE_ADDR, cmd);
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}
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int digitalRead(int avrPin) {
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DigitalReadCommand cmd { MAGIC, CMD_DIGITALREAD, static_cast<uint8_t>(avrPin) };
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DigitalReadResultCommand reply = { 0 };
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sendCommandWaitForReply(WIFIO_AVR_SLAVE_ADDR, cmd, CMD_DIGITALREADRESULT, reply, 0);
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return reply.value;
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}
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void analogWrite(int avrPin, int value) {
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AnalogWriteCommand cmd { MAGIC, CMD_ANALOGWRITE, static_cast<uint8_t>(value), static_cast<uint8_t>(avrPin) };
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sendCommand(WIFIO_AVR_SLAVE_ADDR, cmd);
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}
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int analogRead(int avrPin) {
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AnalogReadCommand cmd { MAGIC, CMD_ANALOGREAD, static_cast<uint8_t>(avrPin) };
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AnalogReadResultCommand reply = { 0 };
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sendCommandWaitForReply(WIFIO_AVR_SLAVE_ADDR, cmd, CMD_ANALOGREADRESULT, reply, 120);
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return ((reply.val_h << 7) | reply.val_l);
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}
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} // namespace wifio
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extern "C" void __pinMode(uint8_t pin, uint8_t mode);
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extern "C" void __digitalWrite(uint8_t pin, uint8_t val);
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extern "C" int __digitalRead(uint8_t pin);
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extern "C" void __analogWrite(uint8_t pin, int val);
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// extern "C" void __attachInterrupt(uint8_t pin, voidFuncPtr handler, int mode);
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// extern "C" void __detachInterrupt(uint8_t pin);
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extern "C" void __initPins();
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extern "C" int __analogRead(uint8_t pin);
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extern "C" void pinMode(uint8_t pin, uint8_t mode){
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if (pin >= ESP_PINS_OFFSET) { // esp pin
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__pinMode(pin - ESP_PINS_OFFSET, mode);
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}
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else { // AVR pin
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wifio::pinMode(pin, mode);
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}
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}
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extern "C" void digitalWrite(uint8_t pin, uint8_t value) {
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if (pin >= ESP_PINS_OFFSET) { // esp pin
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__digitalWrite(pin - ESP_PINS_OFFSET, value);
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}
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else { // AVR pin
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wifio::digitalWrite(pin, value);
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}
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}
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extern "C" int digitalRead(uint8_t pin) {
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if (pin >= ESP_PINS_OFFSET) {
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return __digitalRead(pin - ESP_PINS_OFFSET);
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}
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else {
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return wifio::digitalRead(pin);
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}
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}
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extern "C" int analogRead(uint8_t pin) {
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if (pin >= ESP_PINS_OFFSET) {
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return __analogRead(pin - ESP_PINS_OFFSET);
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}
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else {
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return wifio::analogRead(pin);
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}
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}
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extern "C" void analogWrite(uint8_t pin, int value) {
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if (pin >= ESP_PINS_OFFSET) {
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__analogWrite(pin - ESP_PINS_OFFSET, value);
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}
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else {
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wifio::analogWrite(pin, value);
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}
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}
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void initVariant() {
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twi_setClock(100000);
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twi_init(SDA, SCL);
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}
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