#include "sns_power.h"
uint32_t volatile PreviusTimerValue, lastMeasurment;
uint16_t volatile EnergyCounter;
uint8_t volatile tmpCounter;
uint8_t sns_power_ReportInterval = (uint8_t)sns_power_SEND_PERIOD;
uint16_t volatile MeasurmentBuffer[32];
uint8_t volatile MeasurmentBufferPointer;
#ifdef sns_power_USEEEPROM
#include "sns_power_eeprom.h"
struct eeprom_sns_power EEMEM eeprom_sns_power =
{
{
///TODO: Define initialization values on the EEPROM variables here, this will generate a *.eep file that can be used to store this values to the node, can in future be done with a EEPROM module and the make-scrips. Write the values in the exact same order as the struct is defined in the *.h file.
(uint8_t)sns_power_SEND_PERIOD, // reportInterval
},
0 // crc, must be a correct value, but this will also be handled by the EEPROM module or make scripts
};
#endif
void sns_power_pcint_callback(uint8_t id, uint8_t status)
{
//if (gpio_get_state(POWER_SNS_PIN) == 0)
if (status == 0)
{
if (Timer_GetTicks() - PreviusTimerValue >= 16)
{
MeasurmentBufferPointer++;
lastMeasurment = Timer_GetTicks() - PreviusTimerValue;
MeasurmentBuffer[MeasurmentBufferPointer] = (uint16_t) (lastMeasurment & 0x0000FFFF);
PreviusTimerValue = Timer_GetTicks();
tmpCounter++;
if(tmpCounter >= 10) {
EnergyCounter++;
tmpCounter = 0;
}
}
}
}
void sns_power_Init(void)
{
#ifdef sns_power_USEEEPROM
if (EEDATA_OK)
{
///TODO: Use stored data to set initial values for the module
sns_power_ReportInterval = eeprom_read_byte(EEDATA.reportInterval);
} else
{ //The CRC of the EEPROM is not correct, store default values and update CRC
eeprom_write_byte_crc(EEDATA.reportInterval, sns_power_SEND_PERIOD, WITHOUT_CRC);
EEDATA_UPDATE_CRC;
sns_power_ReportInterval = eeprom_read_byte(EEDATA.reportInterval);
}
#endif
///TODO: Initialize hardware etc here
gpio_set_in(POWER_SNS_PIN); // Set to input
gpio_set_pin(POWER_SNS_PIN); // Enable pull-up
// Enable IO-pin interrupt
//PCICR |= (1<<POWER_SNS_PCIE);
//POWER_SNS_PCMSK |= (1<<POWER_SNS_PCINT);
Pcint_SetCallbackPin(sns_power_PCINT, POWER_SNS_PIN, &sns_power_pcint_callback);
MeasurmentBufferPointer = 0;
Timer_SetTimeout(sns_power_SEND_TIMER, sns_power_ReportInterval*1000 , TimerTypeFreeRunning, 0);
}
void sns_power_Process(void)
{
/*
if (lastMeasurment != 0) {
MeasurmentBufferPointer++;
MeasurmentBuffer[MeasurmentBufferPointer] = (uint16_t) lastMeasurment;//(uint16_t) 360000/lastMeasurment;
lastMeasurment=0;
}*/
StdCan_Msg_t txMsg;
///TODO: Stuff that needs doing is done here
if (Timer_Expired(sns_power_SEND_TIMER)) {
//4 times average
uint32_t Avg4 = MeasurmentBuffer[MeasurmentBufferPointer] + MeasurmentBuffer[MeasurmentBufferPointer-1] + MeasurmentBuffer[MeasurmentBufferPointer-2] + MeasurmentBuffer[MeasurmentBufferPointer-3];
Avg4 = (360000/(Avg4/4));
//32 times average
uint32_t Avg32 = 0;
for (uint8_t i = 0; i<32;i++) {
Avg32 += MeasurmentBuffer[i];
}
Avg32 /= 32;
Avg32 = (360000/Avg32);
StdCan_Set_class(txMsg.Header, CAN_MODULE_CLASS_SNS); ///TODO: Change this to the actual class type
StdCan_Set_direction(txMsg.Header, DIRECTIONFLAG_FROM_OWNER);
txMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_POWER; ///TODO: Change this to the actual module type
txMsg.Header.ModuleId = sns_power_ID;
txMsg.Header.Command = CAN_MODULE_CMD_PHYSICAL_ELECTRICPOWER;
txMsg.Length = 8;
uint32_t tmp = 360000/MeasurmentBuffer[MeasurmentBufferPointer];
txMsg.Data[0] = (uint8_t)((tmp>>8) & 0xff);
txMsg.Data[1] = (uint8_t)(tmp & 0xff);
txMsg.Data[2] = (uint8_t)((EnergyCounter>>8) & 0xff);
txMsg.Data[3] = (uint8_t)(EnergyCounter & 0xff);
txMsg.Data[4] = (uint8_t)((Avg4>>8) & 0xff);
txMsg.Data[5] = (uint8_t)((Avg4) & 0xff);
txMsg.Data[6] = (uint8_t)((Avg32>>8) & 0xff);
txMsg.Data[7] = (uint8_t)(Avg32 & 0xff);
while (StdCan_Put(&txMsg) != StdCan_Ret_OK);
}
}
void sns_power_HandleMessage(StdCan_Msg_t *rxMsg)
{
if ( StdCan_Ret_class(rxMsg->Header) == CAN_MODULE_CLASS_SNS &&
StdCan_Ret_direction(rxMsg->Header) == DIRECTIONFLAG_TO_OWNER &&
rxMsg->Header.ModuleType == CAN_MODULE_TYPE_SNS_POWER &&
rxMsg->Header.ModuleId == sns_power_ID)
{
switch (rxMsg->Header.Command)
{
case CAN_MODULE_CMD_GLOBAL_REPORT_INTERVAL:
if (rxMsg->Length > 0)
{
sns_power_ReportInterval = rxMsg->Data[0];
Timer_SetTimeout(sns_power_SEND_TIMER, sns_power_ReportInterval*1000 , TimerTypeFreeRunning, 0);
}
StdCan_Msg_t txMsg;
StdCan_Set_class(txMsg.Header, CAN_MODULE_CLASS_SNS);
StdCan_Set_direction(txMsg.Header, DIRECTIONFLAG_FROM_OWNER);
txMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_POWER;
txMsg.Header.ModuleId = sns_power_ID;
txMsg.Header.Command = CAN_MODULE_CMD_GLOBAL_REPORT_INTERVAL;
txMsg.Length = 1;
txMsg.Data[0] = sns_power_ReportInterval;
StdCan_Put(&txMsg);
break;
case CAN_MODULE_CMD_POWER_SETENERGY:
if (rxMsg->Length == 2)
{
EnergyCounter = rxMsg->Data[1];
EnergyCounter += ((uint16_t)rxMsg->Data[0])<<8;
}
break;
}
}
}
void sns_power_List(uint8_t ModuleSequenceNumber)
{
StdCan_Msg_t txMsg;
StdCan_Set_class(txMsg.Header, CAN_MODULE_CLASS_SNS); ///TODO: Change this to the actual class type
StdCan_Set_direction(txMsg.Header, DIRECTIONFLAG_FROM_OWNER);
txMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_POWER; ///TODO: Change this to the actual module type
txMsg.Header.ModuleId = sns_power_ID;
txMsg.Header.Command = CAN_MODULE_CMD_GLOBAL_LIST;
txMsg.Length = 6;
txMsg.Data[0] = NODE_HW_ID_BYTE0;
txMsg.Data[1] = NODE_HW_ID_BYTE1;
txMsg.Data[2] = NODE_HW_ID_BYTE2;
txMsg.Data[3] = NODE_HW_ID_BYTE3;
txMsg.Data[4] = NUMBER_OF_MODULES;
txMsg.Data[5] = ModuleSequenceNumber;
while (StdCan_Put(&txMsg) != StdCan_Ret_OK);
}