2022-07-13 / Simon Xue

Action:
1. [Add] Power derating in ReadCmdline strchg only for chiller.

Files
As the following commit history files

Image Version: V1.22.XX.XXXX.XX

EVSE/Projects/DD360/Apps/ReadCmdline.c

@@ -42,6 +42,7 @@
 #include "./Define/define.h"
 #include "./SelectGun/SelectGun.h"
 #include "Config.h"
+#include "./ModuleEvComm/Module_EvComm.h"
 
 //------------------------------------------------------------------------------
 #define CMD_KEY_WAIT                                (1)
@@ -705,6 +706,91 @@ static void setConfirmSelGun(uint8_t selGun)
     }
 }
 
+
+static float ReadAdcVolt(uint8_t AdcChannel)
+{
+    //AIN0=CCS GUN Temp 1
+    //AIN1=CCS GUN Temp 2
+    //AIN2=CCS_Proximity/2
+    //AIN3=pilot voltage
+    int fd = -1;
+    uint8_t str[64] = { 0 };
+    uint8_t AdcValue[8] = { '\0' };
+
+    if (AdcChannel > 7) {
+        return -1;
+    }
+
+    sprintf((char*)str, "/sys/bus/iio/devices/iio\:device0/in_voltage%d_raw", AdcChannel);
+    fd = open((char*)str, O_RDONLY);
+    read(fd, AdcValue, 4);
+
+    close(fd);
+
+    return (1.8 * atoi((char*)&AdcValue[0])) / 4095;
+    //return (1.8 * atoi((char *)&AdcValue)) / 4095;
+}
+
+static void getChillerTemperature(struct ChargingInfoData* chargingData)
+{
+    uint8_t i = 0;
+    float adcVoltage = 0.0;
+    ChillerTemp pChillerTemp;
+    uint8_t maxTemp;
+    for (i = 0; i < 4; i++) {
+        adcVoltage = 0.0;
+        adcVoltage = ReadAdcVolt(i);
+        ShmDcCommonData->TempVolt[i] = adcVoltage;
+        if ((adcVoltage <= 0.9) && (adcVoltage >= 0.8)) { //0 ~ -40
+            pChillerTemp.Temp[i] = ((adcVoltage - 0.908) * 500) + 60;
+            //log_info("1 adcVoltage = %f", (adcVoltage - 0.9) * 500);
+        } else if ((adcVoltage <= 1.07) && (adcVoltage > 0.9)) {
+            pChillerTemp.Temp[i] = ((adcVoltage - 0.91) * 705.88) + 60;
+            //log_info("2 adcVoltage = %f", (adcVoltage - 0.9) * 500);
+        } else {
+            pChillerTemp.Temp[i] = UNDEFINED_TEMP;
+        }
+    }
+    maxTemp = pChillerTemp.Temp[0];
+    memcpy((char*)ShmDcCommonData->SystemTemp, (char*)pChillerTemp.Temp, sizeof(ChillerTemp));
+    for (i = 1; i < 4; i++) {
+        if (pChillerTemp.Temp[i] > pChillerTemp.Temp[i - 1] && pChillerTemp.Temp[i] != UNDEFINED_TEMP) {
+            maxTemp = pChillerTemp.Temp[i];
+        }
+    }
+    chargingData->ChillerTemp = maxTemp;
+}
+
+void GetOtpPwrOrCurMethod(struct ChargingInfoData* chargingData, float* pow, float* cur)
+{
+    if (((chargingData->ConnectorTemp >= STAGE1_GUN_DERATING_TEMP &&
+        chargingData->ConnectorTemp < STAGE2_GUN_DERATING_TEMP) ||
+        (chargingData->ChillerTemp >= STAGE1_GUN_DERATING_TEMP &&
+            chargingData->ChillerTemp < STAGE2_GUN_DERATING_TEMP)) &&
+        chargingData->deratingByConnOtp.deratingIndex < 1)
+    {
+        chargingData->deratingByConnOtp.deratingIndex = 1;
+    } else if ((chargingData->ConnectorTemp >= STAGE2_GUN_DERATING_TEMP ||
+        chargingData->ChillerTemp >= STAGE2_GUN_DERATING_TEMP) &&
+        chargingData->ConnectorTemp != UNDEFINED_TEMP &&
+        chargingData->ChillerTemp != UNDEFINED_TEMP &&
+        chargingData->deratingByConnOtp.deratingIndex < 2)
+    {
+        chargingData->deratingByConnOtp.deratingIndex = 2;
+    }
+
+    if (chargingData->deratingByConnOtp.deratingTargetRate[chargingData->deratingByConnOtp.deratingIndex] != 0)
+    {
+        *pow *= chargingData->deratingByConnOtp.deratingTargetRate[chargingData->deratingByConnOtp.deratingIndex];
+    } else if (chargingData->deratingByConnOtp.deratingTargetCurrent[chargingData->deratingByConnOtp.deratingIndex] != 0)
+    {
+        if (*cur > (chargingData->deratingByConnOtp.deratingTargetCurrent[chargingData->deratingByConnOtp.deratingIndex]/10)) {
+            *cur = chargingData->deratingByConnOtp.deratingTargetCurrent[chargingData->deratingByConnOtp.deratingIndex]/10;
+
+        }
+    }
+}
+
 void RunUnconditionalChargeIndex1(char *v1, char *v2, char *v3)
 {
     int _GunIndex;
@@ -714,6 +800,9 @@ void RunUnconditionalChargeIndex1(char *v1, char *v2, char *v3)
     int isContinue = 1;
     float _Voltage;
     float _Current;
+    float deratingPower;
+    float deratingCurrent;
+    int derating_index = 0;
     uint8_t PreviousSystemStatus[2] = {0xff};
     char *usageMsg = "Usage:\n"
                      "       strchg <index> <voltage> <current>    ex: strchg 0 150 2\n"
@@ -921,6 +1010,24 @@ void RunUnconditionalChargeIndex1(char *v1, char *v2, char *v3)
 //                      pDcChargingInfo->EvBatterytargetVoltage,
 //                      pDcChargingInfo->EvBatterytargetCurrent);
             //ev task do this
+            if (pDcChargingInfo->deratingByConnOtp.isNeedDerating) {
+                deratingCurrent = pDcChargingInfo->EvBatterytargetCurrent;
+                deratingPower = pDcChargingInfo->AvailableChargingPower;
+
+                getChillerTemperature(pDcChargingInfo);
+                GetOtpPwrOrCurMethod(pDcChargingInfo, &deratingPower, &deratingCurrent);
+                if (derating_index != pDcChargingInfo->deratingByConnOtp.deratingIndex) {
+                    printf("Change Derating Index:%d\n", pDcChargingInfo->deratingByConnOtp.deratingIndex);
+                    derating_index = pDcChargingInfo->deratingByConnOtp.deratingIndex;
+                }
+                if (pDcChargingInfo->EvBatterytargetCurrent != deratingCurrent ||
+                    pDcChargingInfo->AvailableChargingPower != deratingPower) {
+                    pDcChargingInfo->EvBatterytargetCurrent = deratingCurrent;
+                    pDcChargingInfo->AvailableChargingPower = deratingPower;
+                    printf("Derating Current:%.3f Power:%.3f\n", pDcChargingInfo->EvBatterytargetCurrent, pDcChargingInfo->AvailableChargingPower);
+                }
+            }
+
             pDcChargingInfo->PresentChargingPower =
                 ((float)((pDcChargingInfo->PresentChargingVoltage) *
                          (pDcChargingInfo->PresentChargingCurrent)) / 1000);
@@ -1341,6 +1448,7 @@ static void writeGunAndChillerTemp(void)
         usleep(sleepTime);
     }//while
 }
+
 void ShowPowerConsumption(char* v1)
 {
     printf("Dispenser Gun0 PowerConsumption:%.4f\n", ShmDcCommonData->pGunInfo[0].PowerConsumption);

EVSE/Projects/DD360Audi/Apps/ReadCmdline.c

@@ -42,6 +42,7 @@
 #include "./Define/define.h"
 #include "./SelectGun/SelectGun.h"
 #include "Config.h"
+#include "./ModuleEvComm/Module_EvComm.h"
 
 //------------------------------------------------------------------------------
 #define CMD_KEY_WAIT                                (1)
@@ -705,6 +706,91 @@ static void setConfirmSelGun(uint8_t selGun)
     }
 }
 
+
+static float ReadAdcVolt(uint8_t AdcChannel)
+{
+    //AIN0=CCS GUN Temp 1
+    //AIN1=CCS GUN Temp 2
+    //AIN2=CCS_Proximity/2
+    //AIN3=pilot voltage
+    int fd = -1;
+    uint8_t str[64] = { 0 };
+    uint8_t AdcValue[8] = { '\0' };
+
+    if (AdcChannel > 7) {
+        return -1;
+    }
+
+    sprintf((char*)str, "/sys/bus/iio/devices/iio\:device0/in_voltage%d_raw", AdcChannel);
+    fd = open((char*)str, O_RDONLY);
+    read(fd, AdcValue, 4);
+
+    close(fd);
+
+    return (1.8 * atoi((char*)&AdcValue[0])) / 4095;
+    //return (1.8 * atoi((char *)&AdcValue)) / 4095;
+}
+
+static void getChillerTemperature(struct ChargingInfoData* chargingData)
+{
+    uint8_t i = 0;
+    float adcVoltage = 0.0;
+    ChillerTemp pChillerTemp;
+    uint8_t maxTemp;
+    for (i = 0; i < 4; i++) {
+        adcVoltage = 0.0;
+        adcVoltage = ReadAdcVolt(i);
+        ShmDcCommonData->TempVolt[i] = adcVoltage;
+        if ((adcVoltage <= 0.9) && (adcVoltage >= 0.8)) { //0 ~ -40
+            pChillerTemp.Temp[i] = ((adcVoltage - 0.908) * 500) + 60;
+            //log_info("1 adcVoltage = %f", (adcVoltage - 0.9) * 500);
+        } else if ((adcVoltage <= 1.07) && (adcVoltage > 0.9)) {
+            pChillerTemp.Temp[i] = ((adcVoltage - 0.91) * 705.88) + 60;
+            //log_info("2 adcVoltage = %f", (adcVoltage - 0.9) * 500);
+        } else {
+            pChillerTemp.Temp[i] = UNDEFINED_TEMP;
+        }
+    }
+    maxTemp = pChillerTemp.Temp[0];
+    memcpy((char*)ShmDcCommonData->SystemTemp, (char*)pChillerTemp.Temp, sizeof(ChillerTemp));
+    for (i = 1; i < 4; i++) {
+        if (pChillerTemp.Temp[i] > pChillerTemp.Temp[i - 1] && pChillerTemp.Temp[i] != UNDEFINED_TEMP) {
+            maxTemp = pChillerTemp.Temp[i];
+        }
+    }
+    chargingData->ChillerTemp = maxTemp;
+}
+
+void GetOtpPwrOrCurMethod(struct ChargingInfoData* chargingData, float* pow, float* cur)
+{
+    if (((chargingData->ConnectorTemp >= STAGE1_GUN_DERATING_TEMP &&
+        chargingData->ConnectorTemp < STAGE2_GUN_DERATING_TEMP) ||
+        (chargingData->ChillerTemp >= STAGE1_GUN_DERATING_TEMP &&
+            chargingData->ChillerTemp < STAGE2_GUN_DERATING_TEMP)) &&
+        chargingData->deratingByConnOtp.deratingIndex < 1)
+    {
+        chargingData->deratingByConnOtp.deratingIndex = 1;
+    } else if ((chargingData->ConnectorTemp >= STAGE2_GUN_DERATING_TEMP ||
+        chargingData->ChillerTemp >= STAGE2_GUN_DERATING_TEMP) &&
+        chargingData->ConnectorTemp != UNDEFINED_TEMP &&
+        chargingData->ChillerTemp != UNDEFINED_TEMP &&
+        chargingData->deratingByConnOtp.deratingIndex < 2)
+    {
+        chargingData->deratingByConnOtp.deratingIndex = 2;
+    }
+
+    if (chargingData->deratingByConnOtp.deratingTargetRate[chargingData->deratingByConnOtp.deratingIndex] != 0)
+    {
+        *pow *= chargingData->deratingByConnOtp.deratingTargetRate[chargingData->deratingByConnOtp.deratingIndex];
+    } else if (chargingData->deratingByConnOtp.deratingTargetCurrent[chargingData->deratingByConnOtp.deratingIndex] != 0)
+    {
+        if (*cur > (chargingData->deratingByConnOtp.deratingTargetCurrent[chargingData->deratingByConnOtp.deratingIndex]/10)) {
+            *cur = chargingData->deratingByConnOtp.deratingTargetCurrent[chargingData->deratingByConnOtp.deratingIndex]/10;
+
+        }
+    }
+}
+
 void RunUnconditionalChargeIndex1(char *v1, char *v2, char *v3)
 {
     int _GunIndex;
@@ -714,6 +800,9 @@ void RunUnconditionalChargeIndex1(char *v1, char *v2, char *v3)
     int isContinue = 1;
     float _Voltage;
     float _Current;
+    float deratingPower;
+    float deratingCurrent;
+    int derating_index = 0;
     uint8_t PreviousSystemStatus[2] = {0xff};
     char *usageMsg = "Usage:\n"
                      "       strchg <index> <voltage> <current>    ex: strchg 0 150 2\n"
@@ -921,6 +1010,24 @@ void RunUnconditionalChargeIndex1(char *v1, char *v2, char *v3)
 //                      pDcChargingInfo->EvBatterytargetVoltage,
 //                      pDcChargingInfo->EvBatterytargetCurrent);
             //ev task do this
+            if (pDcChargingInfo->deratingByConnOtp.isNeedDerating) {
+                deratingCurrent = pDcChargingInfo->EvBatterytargetCurrent;
+                deratingPower = pDcChargingInfo->AvailableChargingPower;
+
+                getChillerTemperature(pDcChargingInfo);
+                GetOtpPwrOrCurMethod(pDcChargingInfo, &deratingPower, &deratingCurrent);
+                if (derating_index != pDcChargingInfo->deratingByConnOtp.deratingIndex) {
+                    printf("Change Derating Index:%d\n", pDcChargingInfo->deratingByConnOtp.deratingIndex);
+                    derating_index = pDcChargingInfo->deratingByConnOtp.deratingIndex;
+                }
+                if (pDcChargingInfo->EvBatterytargetCurrent != deratingCurrent ||
+                    pDcChargingInfo->AvailableChargingPower != deratingPower) {
+                    pDcChargingInfo->EvBatterytargetCurrent = deratingCurrent;
+                    pDcChargingInfo->AvailableChargingPower = deratingPower;
+                    printf("Derating Current:%.3f Power:%.3f\n", pDcChargingInfo->EvBatterytargetCurrent, pDcChargingInfo->AvailableChargingPower);
+                }
+            }
+
             pDcChargingInfo->PresentChargingPower =
                 ((float)((pDcChargingInfo->PresentChargingVoltage) *
                          (pDcChargingInfo->PresentChargingCurrent)) / 1000);
@@ -1341,6 +1448,7 @@ static void writeGunAndChillerTemp(void)
         usleep(sleepTime);
     }//while
 }
+
 void ShowPowerConsumption(char* v1)
 {
     printf("Dispenser Gun0 PowerConsumption:%.4f\n", ShmDcCommonData->pGunInfo[0].PowerConsumption);