yetangitu/Battery-Emulator
1
0
Fork 0
mirror of https://github.com/dalathegreat/Battery-Emulator.git synced 2025-10-05 10:49:42 +02:00
Code Issues Projects Releases Packages Wiki Activity

Add capping of charge value

Browse source
This commit is contained in:
Daniel Öster 2024-08-30 18:42:43 +03:00
parent 4b01b1235d
commit 06bbb667bb
1 changed files with 32 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

36
Software/src/inverter/KOSTAL-RS485.cpp
View file

@ -6,6 +6,8 @@
static const byte KOSTAL_FRAMEHEADER[5] = {0x62, 0xFF, 0x02, 0xFF, 0x29};
static const byte KOSTAL_FRAMEHEADER2[5] = {0x63, 0xFF, 0x02, 0xFF, 0x29};
static uint16_t discharge_current = 0;
static uint16_t charge_current = 0;
union f32b {
float f;
@ -193,6 +195,32 @@ void receive_RS485() // Runs as fast as possible to handle the serial stream
void update_RS485_registers_inverter() {
if (datalayer.battery.status.voltage_dV > 10) { // Only update value when we have voltage available to avoid div0
charge_current =
((datalayer.battery.status.max_charge_power_W * 10) /
datalayer.battery.status.voltage_dV); //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 =
((datalayer.battery.status.max_discharge_power_W * 10) /
datalayer.battery.status.voltage_dV); //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)
}
if (charge_current > datalayer.battery.info.max_charge_amp_dA) {
charge_current =
datalayer.battery.info
.max_charge_amp_dA; //Cap the value to the max allowed Amp. Some inverters cannot handle large values.
}
if (discharge_current > datalayer.battery.info.max_discharge_amp_dA) {
discharge_current =
datalayer.battery.info
.max_discharge_amp_dA; //Cap the value to the max allowed Amp. Some inverters cannot handle large values.
}
float2frame(frame2, (float)datalayer.battery.status.voltage_dV / 10, 6);
float2frameMSB(frame2, (float)datalayer.battery.info.max_design_voltage_dV / 10, 12);
@ -200,11 +228,11 @@ void update_RS485_registers_inverter() {
frame2, (float)(datalayer.battery.status.temperature_max_dC + datalayer.battery.status.temperature_min_dC) / 20,
16);
float2frameMSB(frame2, (float)datalayer.battery.status.current_dA / 10, 20);
float2frameMSB(frame2, (float)datalayer.battery.status.current_dA / 10, 24);
float2frameMSB(frame2, (float)datalayer.battery.status.current_dA, 20);
float2frameMSB(frame2, (float)datalayer.battery.status.current_dA, 24);
float2frameMSB(frame2, (float)datalayer.battery.info.max_discharge_amp_dA / 10, 28);
float2frameMSB(frame2, (float)datalayer.battery.info.max_discharge_amp_dA / 10, 32);
float2frameMSB(frame2, (float)discharge_current / 10, 28);
float2frameMSB(frame2, (float)discharge_current / 10, 32);
float2frameMSB(frame2, (float)datalayer.battery.status.temperature_max_dC / 10, 40);
float2frameMSB(frame2, (float)datalayer.battery.status.temperature_min_dC / 10, 44);