mirror of
https://github.com/SasaKaranovic/HousePlantMonitoringSystem.git
synced 2026-07-08 17:52:37 +02:00
Sasa Karanovic
225809b95c
Adding solenoid close timeout. Closing all solenoids on power-up. Central unit and Solenoid valve release
112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
#include "SolenoidDriver.h"
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#include "PlantSystem.h"
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#include "debug.h"
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#include "mcc_generated_files/include/twi0_slave.h"
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// -- Global definitions
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// -- Extern variables
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extern uint8_t TWI_TxBuff[TWI_BUFFER_SIZE];
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extern uint8_t TWI_TxLen;
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extern uint8_t TWI_TxPos;
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extern uint8_t TWI_RxBuff[TWI_BUFFER_SIZE]; // Device RX from host
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extern uint8_t TWI_RxPos;
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// Solenoid turn-off timer
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extern volatile uint32_t milliseconds;
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extern volatile uint32_t solenoidTurnOff_target;
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extern volatile bool bWDTRunning;
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// CMD (1byte) + DATATYPE (1byte) + DATALEN (2bytes)
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void SolenoidDriver_ProcessRequest(uint8_t *pRxBuff, uint8_t nLen)
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{
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#if 0
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debugStr("pRxBuff:\r\n");
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for(uint8_t i=0; i<nLen; i++)
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{
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debugHex(pRxBuff[i]);
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}
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#endif
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// First byte is always command
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switch(pRxBuff[0])
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{
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// -- Get device information
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case CMD_GET_DEVICE_INFO:
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{
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debugStr("\r\nInfo\r\n");
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TWI_TxBuff[0] = 0xFF; // First byte is 0xFF to allow compatibility with STM and disable clock strech
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TWI_TxBuff[1] = CMD_GET_DEVICE_INFO; // Second byte is response to command
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TWI_TxBuff[2] = DATATYPE_SINGLE_VALUE;
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TWI_TxBuff[3] = 0;
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TWI_TxBuff[4] = 2;
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TWI_TxBuff[5] = DEVICETYPE_SOLENOID_V1;
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TWI_TxBuff[6] = 1;
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TWI_TxLen = 7;
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}
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break;
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// -- SET solenoid state
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case CMD_SET_SOLENOID_STATE:
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{
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debugStr("\r\nSET State: ");
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// Data Type `DATATYPE_SINGLE_VALUE` and exactly 0 + 1 = 1 bytes
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if(pRxBuff[1] == DATATYPE_SINGLE_VALUE && pRxBuff[2] == 0 && pRxBuff[3] == 1)
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{
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debugHex(pRxBuff[1]);
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if(pRxBuff[4] == 0)
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{
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debugStr("Turn OFF\r\n");
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Solenoid_SET_Off();
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Solenoid_ActLED_Off();
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}
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else
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{
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debugStr("Turn ON\r\n");
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Solenoid_SET_On();
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Solenoid_ActLED_On();
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SolenoidWDT_Activate();
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}
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}
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else
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{
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debugStr("Bad Data\r\n");
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}
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}
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break;
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// -- GET solenoid state
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case CMD_GET_SOLENOID_STATE:
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{
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debugStr("\r\nGET state\r\n");
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TWI_TxBuff[0] = 0xFF; // First byte is 0xFF to allow compatibility with STM and disable clock strech
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TWI_TxBuff[1] = CMD_GET_SOLENOID_STATE; // Second byte is response to command
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TWI_TxBuff[2] = DATATYPE_SINGLE_VALUE;
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TWI_TxBuff[3] = 0;
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TWI_TxBuff[4] = 1;
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TWI_TxBuff[5] = Solenoid_GetState();
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TWI_TxLen = 6;
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}
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break;
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// Catch-all
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default:
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debugStr("Uknown CMD received\r\n");
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break;
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}
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}
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void SolenoidWDT_Activate(void)
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{
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solenoidTurnOff_target = milliseconds + SOLENOID_ON_TIMEOUT;
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bWDTRunning = true;
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}
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