eeeck/the-waterinator
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Change message receive implementation to allow for only one action at a

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This commit is contained in:
Erick
2025-12-13 12:36:15 +01:00
parent 137814206c
commit dc5c2c751b
1 changed files with 40 additions and 43 deletions
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firmware/atmega/source/twi.c
+40 -43
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@@ -35,53 +35,50 @@ static void twiSendData(uint8_t data) {
} }
void twiRespond(void) { void twiRespond(void) {
if(respondFlag) { if (!respondFlag) return;
switch(twiBuffer[0]) {
case 0x01: // Get moisture uint8_t cmd = twiBuffer[0];
twiSendData(*pLastMoistureVal); uint8_t param = twiBuffer[1];
break;
case 0x02: // Get SENSOR_READINGS switch(cmd) {
twiSendData(eepromRead(SENSOR_READINGS)); // READ
break; case 0x01:
case 0x03: // Get MOISTURE_MIN twiSendData(*pLastMoistureVal);
twiSendData(eepromRead(MOISTURE_MIN)); break;
break; case 0x02:
case 0x04: // Get MOISTURE_MAX twiSendData(eepromRead(SENSOR_READINGS));
twiSendData(eepromRead(MOISTURE_MAX)); break;
break; case 0x03:
case 0x05: // Set SENSOR_READINGS twiSendData(eepromRead(MOISTURE_MIN));
eepromWrite(SENSOR_READINGS, twiBuffer[1]); break;
twiSendAck(); case 0x04:
break; twiSendData(eepromRead(MOISTURE_MAX));
case 0x06: // Set parameters break;
eepromWrite(MOISTURE_MIN, twiBuffer[1]); // WRITE
eepromWrite(MOISTURE_MAX, twiBuffer[2]); case 0x05:
eepromWrite(SENSOR_READINGS, twiBuffer[3]); eepromWrite(SENSOR_READINGS, param);
twiSendAck(); twiSendAck();
break; break;
case 0x07: // Force water plants (one pumping) case 0x06:
waterPlant(); eepromWrite(MOISTURE_MIN, param);
twiSendAck(); twiSendAck();
break; break;
default: case 0x07:
twiSendNack(); eepromWrite(MOISTURE_MAX, param);
break; twiSendAck();
} break;
case 0x08:
waterPlant();
twiSendAck();
break;
default:
twiSendNack();
break;
} }
} }
void twiListen(void) { void twiListen(void) {
/*
HOW TO SPEAK MASTER'S LANGUAGE:
Message is saved bit per bit on a buffer array like this:
[ message, param0, param1, param2 ]
So when parsing:
buffer[0] is the message itself
buffer[1] to buffer[3] are parameters
*/
switch (TWSR & 0xF8) { switch (TWSR & 0xF8) {
case 0x60: // SLA+W received case 0x60: // SLA+W received
bufferIndex = 0; bufferIndex = 0;