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Use i2c instead of serial for wifio virtual io

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This commit is contained in:
Ivan Grokhotkov
2015-01-21 04:17:03 +03:00
parent ee35484577
commit 045c446213
2 changed files with 30 additions and 44 deletions
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26
variants/wifio/WifioWiring.cpp
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@ -24,41 +24,34 @@
namespace wifio {
const int WIFIO_AVR_SLAVE_ADDR=0x23;
void pinMode(int avrPin, int mode) {
PinModeCommand cmd { MAGIC, CMD_PINMODE, static_cast<uint8_t>(avrPin), static_cast<uint8_t>(mode) };
sendCommand(Serial, cmd);
sendCommand(WIFIO_AVR_SLAVE_ADDR, cmd);
}
void digitalWrite(int avrPin, int value) {
DigitalWriteCommand cmd { MAGIC, CMD_DIGITALWRITE, static_cast<uint8_t>(avrPin), static_cast<uint8_t>(value) };
sendCommand(Serial, cmd);
sendCommand(WIFIO_AVR_SLAVE_ADDR, cmd);
}
int digitalRead(int avrPin) {
DigitalReadCommand cmd { MAGIC, CMD_DIGITALREAD, static_cast<uint8_t>(avrPin) };
sendCommand(Serial, cmd);
DigitalReadResultCommand reply;
if (!expectCommand(Serial, CMD_DIGITALREADRESULT, reply) || reply.pin != avrPin) {
protocolError();
return 0;
}
DigitalReadResultCommand reply = { 0 };
sendCommandWaitForReply(WIFIO_AVR_SLAVE_ADDR, cmd, CMD_DIGITALREADRESULT, reply, 0);
return reply.value;
}
void analogWrite(int avrPin, int value) {
AnalogWriteCommand cmd { MAGIC, CMD_ANALOGWRITE, static_cast<uint8_t>(value), static_cast<uint8_t>(avrPin) };
sendCommand(Serial, cmd);
sendCommand(WIFIO_AVR_SLAVE_ADDR, cmd);
}
int analogRead(int avrPin) {
AnalogReadCommand cmd { MAGIC, CMD_ANALOGREAD, static_cast<uint8_t>(avrPin) };
sendCommand(Serial, cmd);
AnalogReadResultCommand reply;
if (!expectCommand(Serial, CMD_ANALOGREADRESULT, reply) || reply.pin != avrPin) {
protocolError();
return 0;
}
AnalogReadResultCommand reply = { 0 };
sendCommandWaitForReply(WIFIO_AVR_SLAVE_ADDR, cmd, CMD_ANALOGREADRESULT, reply, 120);
return ((reply.val_h << 7) | reply.val_l);
}
@ -119,7 +112,8 @@ extern "C" void analogWrite(uint8_t pin, int value) {
}
}
void initVariant()
{
i2c_init(SDA, SCL);
}