localhorst/smart-oil-heating-control-system
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read temperatur via 1-Wire

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This commit is contained in:
Hendrik Schutter
2024-12-07 21:53:58 +01:00
parent 3c5f0835f5
commit 311ab2db2f
2 changed files with 79 additions and 10 deletions
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9
README.md
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@ -57,7 +57,8 @@ Safety <|-- HTTP_Metrics
| Function| ESP32 | ES32C14 |
|------------------|-----------------|------------------|
| CirculationPump | IO27 | Relay 1 NO1 |
| Burner | IO14 | Relay 1 NC2 |
| Burner Fault | IO19 | Digital Input IN1 |
|-----------------------|-------|---------------------------|
| CirculationPump | IO27 | Relay 1 NO1 |
| Burner | IO14 | Relay 1 NC2 |
| Burner Fault | IO19 | Digital Input IN1 |
| Temperature DS10B20 | IO04 | 1-Wire |

80
main/inputs.c
View File

@ -2,12 +2,30 @@
#include "freertos/task.h"
#include "driver/gpio.h"
#include "esp_log.h"
#include <ds18x20.h>
#include "inputs.h"
#define MAX_DN18B20_SENSORS 4U
static const char *TAG = "smart-oil-heater-control-system-inputs";
const uint8_t uBurnerFaultPin = 19U;
const uint8_t uDS18B20Pin = 4U;
const onewire_addr_t uChamperTempSensorAddr = 0x3e0000001754be28;
const onewire_addr_t uOutdoorTempSensorAddr = 0x880000001648e328;
const onewire_addr_t uInletFlowTempSensorAddr = 0xe59cdef51e64ff28;
const onewire_addr_t uReturnFlowTempSensorAddr = 0xa7a8e1531f64ff28;
onewire_addr_t uOneWireAddresses[MAX_DN18B20_SENSORS];
float fDS18B20Temps[MAX_DN18B20_SENSORS];
size_t sSensorCount = 0U;
static eBurnerErrorState sBurnerErrorState;
static float fChamperTemperature;
static float fOutdoorTemperature;
static float fInletFlowTemperature;
static float fReturnFlowTemperature;
void loop(void *pvParameters);
void initInputs(void)
@ -44,11 +62,10 @@ void initInputs(void)
void loop(void *pvParameters)
{
// This task will run in a loop
while (1)
{
ESP_LOGI(TAG, "Running task Input...");
vTaskDelay(1000 / portTICK_PERIOD_MS); // Delay for 1 second
vTaskDelay(1000U / portTICK_PERIOD_MS);
if (gpio_get_level(uBurnerFaultPin) == 1)
{
@ -58,24 +75,75 @@ void loop(void *pvParameters)
{
sBurnerErrorState = NO_ERROR;
}
if (ds18x20_scan_devices(uDS18B20Pin, uOneWireAddresses, MAX_DN18B20_SENSORS, &sSensorCount) != ESP_OK)
{
ESP_LOGE(TAG, "1-Wire device scan error!");
}
if (!sSensorCount)
{
ESP_LOGW(TAG, "No 1-Wire devices detected!");
}
else
{
ESP_LOGI(TAG, "%d 1-Wire devices detected", sSensorCount);
if (sSensorCount > MAX_DN18B20_SENSORS)
{
sSensorCount = MAX_DN18B20_SENSORS;
ESP_LOGW(TAG, "More 1-Wire devices found than expected!");
}
if (ds18x20_measure_and_read_multi(uDS18B20Pin, uOneWireAddresses, sSensorCount, fDS18B20Temps) != ESP_OK)
{
ESP_LOGE(TAG, "1-Wire devices read error");
}
else
{
for (int j = 0; j < sSensorCount; j++)
{
float temp_c = fDS18B20Temps[j];
ESP_LOGI(TAG, "Sensor: %08" PRIx64 " reports %.3f°C", (uint64_t)uOneWireAddresses[j], temp_c);
switch ((uint64_t)uOneWireAddresses[j])
{
case ((uint64_t)uChamperTempSensorAddr):
fChamperTemperature = temp_c;
break;
case ((uint64_t)uOutdoorTempSensorAddr):
fOutdoorTemperature = temp_c;
break;
case ((uint64_t)uInletFlowTempSensorAddr):
fInletFlowTemperature = temp_c;
break;
case ((uint64_t)uReturnFlowTempSensorAddr):
fReturnFlowTemperature = temp_c;
break;
default:
break;
}
}
}
}
}
}
float getChamberTemperature(void)
{
return 42.42;
return fChamperTemperature;
}
float getOutdoorTemperature(void)
{
return 42.42;
return fOutdoorTemperature;
}
float getInletFlowTemperature(void)
{
return 42.42;
return fInletFlowTemperature;
}
float getReturnFlowTemperature(void)
{
return 42.42;
return fReturnFlowTemperature;
}
eBurnerErrorState getBurnerError(void)
{