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Add SMA skeleton

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Daniel 2023-10-12 10:39:27 +03:00
parent 61fe8f8d77
commit 5f4d0324aa
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#include "SMA-CAN.h"
#include "ESP32CAN.h"
#include "CAN_config.h"
/* Do not change code below unless you are sure what you are doing */
static unsigned long previousMillis2s = 0; // will store last time a 2s CAN Message was send
static unsigned long previousMillis10s = 0; // will store last time a 10s CAN Message was send
static unsigned long previousMillis60s = 0; // will store last time a 60s CAN Message was send
static const int interval2s = 2000; // interval (ms) at which send CAN Messages
static const int interval10s = 10000; // interval (ms) at which send CAN Messages
static const int interval60s = 60000; // interval (ms) at which send CAN Messages
//Constant startup messages
const CAN_frame_t SMA_618 = {.FIR = {.B = {.DLC = 8,.FF = CAN_frame_std,}},.MsgID = 0x618,.data = {0x03, 0x16, 0x00, 0x66, 0x00, 0x33, 0x02, 0x09}};
//Actual content messages
CAN_frame_t SMA_110 = {.FIR = {.B = {.DLC = 8,.FF = CAN_frame_std,}},.MsgID = 0x110,.data = {0x01, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
static int discharge_current = 0;
static int charge_current = 0;
static int temperature_average = 0;
static int inverter_voltage = 0;
static int inverter_SOC = 0;
void update_values_can_sma()
{ //This function maps all the values fetched from battery CAN to the correct CAN messages
//Calculate values
charge_current = ((max_target_charge_power*10)/max_volt_sma_can); //Charge power in W , max volt in V+1decimal (P=UI, solve for I)
//The above calculation results in (30 000*10)/3700=81A
charge_current = (charge_current*10); //Value needs a decimal before getting sent to inverter (81.0A)
discharge_current = ((max_target_discharge_power*10)/max_volt_sma_can); //Charge power in W , max volt in V+1decimal (P=UI, solve for I)
//The above calculation results in (30 000*10)/3700=81A
discharge_current = (discharge_current*10); //Value needs a decimal before getting sent to inverter (81.0A)
temperature_average = ((temperature_max + temperature_min)/2);
//Map values to CAN messages
//Maxvoltage (eg 400.0V = 4000 , 16bits long)
//BYD_110.data.u8[0] = (max_volt_byd_can >> 8);
//BYD_110.data.u8[1] = (max_volt_byd_can & 0x00FF);
//Minvoltage (eg 300.0V = 3000 , 16bits long)
//BYD_110.data.u8[2] = (min_volt_byd_can >> 8);
//BYD_110.data.u8[3] = (min_volt_byd_can & 0x00FF);
//Maximum discharge power allowed (Unit: A+1)
//BYD_110.data.u8[4] = (discharge_current >> 8);
//BYD_110.data.u8[5] = (discharge_current & 0x00FF);
//Maximum charge power allowed (Unit: A+1)
//BYD_110.data.u8[6] = (charge_current >> 8);
//BYD_110.data.u8[7] = (charge_current & 0x00FF);
//SOC (100.00%)
//BYD_150.data.u8[0] = (SOC >> 8);
//BYD_150.data.u8[1] = (SOC & 0x00FF);
//StateOfHealth (100.00%)
//BYD_150.data.u8[2] = (StateOfHealth >> 8);
//BYD_150.data.u8[3] = (StateOfHealth & 0x00FF);
//Maximum charge power allowed (Unit: A+1)
//BYD_150.data.u8[4] = (charge_current >> 8);
//BYD_150.data.u8[5] = (charge_current & 0x00FF);
//Maximum discharge power allowed (Unit: A+1)
//BYD_150.data.u8[6] = (discharge_current >> 8);
//BYD_150.data.u8[7] = (discharge_current & 0x00FF);
//Voltage (370.0)
//BYD_1D0.data.u8[0] = (battery_voltage >> 8);
//BYD_1D0.data.u8[1] = (battery_voltage & 0x00FF);
//Current (TODO, SIGNED?)
//BYD_1D0.data.u8[2] = (battery_current >> 8);
//BYD_1D0.data.u8[3] = (battery_current & 0x00FF);
//Temperature average
//BYD_1D0.data.u8[4] = (temperature_average >> 8);
//BYD_1D0.data.u8[5] = (temperature_average & 0x00FF);
//Temperature max
//BYD_210.data.u8[0] = (temperature_max >> 8);
//BYD_210.data.u8[1] = (temperature_max & 0x00FF);
//Temperature min
//BYD_210.data.u8[2] = (temperature_min >> 8);
//BYD_210.data.u8[3] = (temperature_min & 0x00FF);
}
void receive_can_sma(CAN_frame_t rx_frame)
{
switch (rx_frame.MsgID)
{
case 0x660: //Message originating from SMA inverter
break;
case 0x5E0: //Message originating from SMA inverter
break;
case 0x560: //Message originating from SMA inverter
break;
default:
break;
}
}
void send_can_sma()
{
unsigned long currentMillis = millis();
// Send 2s CAN Message
if (currentMillis - previousMillis2s >= interval2s)
{
previousMillis2s = currentMillis;
//ESP32Can.CANWriteFrame(&BYD_110);
}
// Send 10s CAN Message
if (currentMillis - previousMillis10s >= interval10s)
{
previousMillis10s = currentMillis;
//ESP32Can.CANWriteFrame(&BYD_150);
//ESP32Can.CANWriteFrame(&BYD_1D0);
//ESP32Can.CANWriteFrame(&BYD_210);
}
//Send 60s message
if (currentMillis - previousMillis60s >= interval60s)
{
previousMillis60s = currentMillis;
//ESP32Can.CANWriteFrame(&BYD_190);
//Serial.println("CAN 60s done");
}
}