carsten/Elektronische_Last
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kalibrierung wird im EEPROM gespeichert.

Browse Source 
Nach Abschluss  der Kalibrierung wird das System neu gestartet um alle Daten zu laden.
This commit is contained in:
Carsten Keller 2024-06-09 17:58:16 +02:00
parent 15075e001d
commit 5eb047e240
Signed by: carsten
GPG Key ID: DF06343A3A9B8868
2 changed files with 42 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
Source/ElektronischeLast.cpp
View File

@ -11,6 +11,7 @@
#include <cinttypes>
#include <cmath>
#include <stm32g0xx.h>
#include <stm32g0xx_ll_lpuart.h>
#include "STM32G071KBT6.hpp"
#include "LED.hpp"
#include "DAC.hpp"
@ -23,8 +24,11 @@
using namespace ElektronischeLast;
static void do_icall(iADC& adc);
static void do_ucall(iADC& dac);
#define EEPROM_ADDRESS_VOLTAGE 0U
#define EEPROM_ADDRESS_CURRENT 4U
static void do_icall(iADC& adc, iI2C& eeprom);
static void do_ucall(iADC& dac, iI2C& eeprom);
uint16_t set_solltrom (CLI_OutFunction pfvOutFunction, char *acCommands[], uint16_t u16ArgCount);
uint16_t set_dutyCyle (CLI_OutFunction pfvOutFunction, char *acCommands[], uint16_t u16ArgCount);
@ -71,8 +75,8 @@ int main (void)
float voltage_gain = NAN;
float current_gain = NAN;
eeprom.read(0UL, 4UL, (uint8_t*)&voltage_gain);
eeprom.read(4UL, 4UL, (uint8_t*)&current_gain);
eeprom.read(EEPROM_ADDRESS_VOLTAGE, 4UL, (uint8_t*)&voltage_gain);
eeprom.read(EEPROM_ADDRESS_CURRENT, 4UL, (uint8_t*)&current_gain);
if(std::isnan(voltage_gain))
{
voltage_gain = 22.272125f;
@ -88,6 +92,8 @@ int main (void)
printf("\r\nElektronische Last\r\n");
printf("- Initialisierung erfolgreich\r\n");
printf("- Verstärkung U: %f, Verstärkung I: %f\r\n", voltage_gain, current_gain);
printf("Elektronische Last>");
PIDController_Init(&pid);
@ -101,10 +107,14 @@ int main (void)
switch(modus)
{
case icall:
do_icall(adc);
do_icall(adc, eeprom);
while(!LL_LPUART_IsActiveFlag_TC(LPUART1));
NVIC_SystemReset();
break;
case ucall:
do_ucall(adc);
do_ucall(adc, eeprom);
while(!LL_LPUART_IsActiveFlag_TC(LPUART1));
NVIC_SystemReset();
break;
case normal:
default:
@ -212,26 +222,28 @@ uint16_t set_icall(CLI_OutFunction pfvOutFunction, char *acCommands[], uint16_t
return 0U;
}
static void do_icall(iADC& adc)
static void do_icall(iADC& adc, iI2C& eeprom)
{
strom += adc.get_current_raw();
spannung++;
if(spannung == 1000UL)
{
float current_gain = 1.0f / ((float)strom / 1000.0f * 3.3f / 4096.0f);
eeprom.write(EEPROM_ADDRESS_CURRENT, sizeof(float), (uint8_t*)&current_gain);
printf("\r\nStromverstärkung: %f", current_gain);
modus = normal;
spannung = 0UL;
strom = 0UL;
}
}
static void do_ucall(iADC& adc)
static void do_ucall(iADC& adc, iI2C& eeprom)
{
spannung += adc.get_voltage_raw();
strom++;
if(strom == 1000UL)
{
float voltage_gain = 15.0f / ((float)spannung / 1000.0f * 3.3f / 4096.0f);
eeprom.write(EEPROM_ADDRESS_VOLTAGE, sizeof(float), (uint8_t*)&voltage_gain);
printf("\r\nSpannungsverstärkung: %f", voltage_gain);
modus = normal;
spannung = 0UL;

22
Source/I2C.cpp
View File

@ -95,6 +95,28 @@ namespace ElektronischeLast
}
bool iI2C::write(std::uint32_t address, std::uint32_t length, std::uint8_t buffer[])
{
std::uint32_t transfered = 0UL;
LL_I2C_SetSlaveAddr(I2C2, this->device_address + ((address >= 256U) ? 2U : 0U));
LL_I2C_SetTransferRequest(I2C2, LL_I2C_REQUEST_WRITE);
LL_I2C_SetTransferSize(I2C2, 1U + length);
LL_I2C_EnableAutoEndMode(I2C2);
LL_I2C_GenerateStartCondition(I2C2);
while (transfered < (length + 1U))
{
if(LL_I2C_IsActiveFlag_TXIS(I2C2))
{
if(transfered == 0U)
{
LL_I2C_TransmitData8(I2C2, address & 0xFFU);
transfered++;
}
else
{
LL_I2C_TransmitData8(I2C2, buffer[transfered++ - 1U]);
}
}
}
return true;
}
}