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[feature] moved ReadTemeprature to machine_esp32s3.go

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wikto
2026-06-07 19:25:52 +02:00
committed by Ayke
parent 9ce73cfafa
commit 20038817ae
2 changed files with 38 additions and 43 deletions
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src/machine/machine_esp32s3.go
+38
View File
@@ -470,3 +470,41 @@ func initADCClock() {
esp.APB_SARADC.SetCTRL_SARADC_SAR_CLK_DIV(1)
esp.APB_SARADC.SetCLKM_CONF_CLK_EN(1)
}
// ReadTemperature reads the on-chip temperature sensor (TSENS) and returns
// a value in millicelsius (°C × 1000). Uses the default measurement range
// (offset = 0, approximately −10 °C to 80 °C, ±3 °C accuracy).
//
// The conversion uses the same formula as ESP-IDF with no eFuse calibration:
//
// T = (0.4386 × raw − 20.52) °C
func ReadTemperature() int32 {
// Enable TSENS peripheral clock.
esp.SENS.SetSAR_PERI_CLK_GATE_CONF_TSENS_CLK_EN(1)
// Set clock divider to default (6).
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_CLK_DIV(6)
// Power up the temperature sensor.
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_POWER_UP_FORCE(1)
esp.SENS.SetSAR_TSENS_CTRL2_SAR_TSENS_XPD_FORCE(1)
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_POWER_UP(1)
// Trigger a conversion.
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_DUMP_OUT(1)
// Wait for data ready.
for esp.SENS.GetSAR_TSENS_CTRL_SAR_TSENS_READY() == 0 {
}
// Read the 8-bit raw value.
raw := int32(esp.SENS.GetSAR_TSENS_CTRL_SAR_TSENS_OUT())
// Stop the conversion.
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_DUMP_OUT(0)
// Convert to millicelsius using the ESP-IDF integer formula (offset=0):
// T_celsius = (4386 * raw - 205200) / 10000
// T_millicelsius = (4386 * raw - 205200) / 10
return (4386*raw - 205200) / 10
}
src/machine/machine_esp32s3_temperature.go
-43
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@@ -1,43 +0,0 @@
//go:build esp32s3
package machine
import "device/esp"
// ReadTemperature reads the on-chip temperature sensor (TSENS) and returns
// a value in millicelsius (°C × 1000). Uses the default measurement range
// (offset = 0, approximately −10 °C to 80 °C, ±3 °C accuracy).
//
// The conversion uses the same formula as ESP-IDF with no eFuse calibration:
//
// T = (0.4386 × raw − 20.52) °C
func ReadTemperature() int32 {
// Enable TSENS peripheral clock.
esp.SENS.SetSAR_PERI_CLK_GATE_CONF_TSENS_CLK_EN(1)
// Set clock divider to default (6).
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_CLK_DIV(6)
// Power up the temperature sensor.
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_POWER_UP_FORCE(1)
esp.SENS.SetSAR_TSENS_CTRL2_SAR_TSENS_XPD_FORCE(1)
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_POWER_UP(1)
// Trigger a conversion.
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_DUMP_OUT(1)
// Wait for data ready.
for esp.SENS.GetSAR_TSENS_CTRL_SAR_TSENS_READY() == 0 {
}
// Read the 8-bit raw value.
raw := int32(esp.SENS.GetSAR_TSENS_CTRL_SAR_TSENS_OUT())
// Stop the conversion.
esp.SENS.SetSAR_TSENS_CTRL_SAR_TSENS_DUMP_OUT(0)
// Convert to millicelsius using the ESP-IDF integer formula (offset=0):
// T_celsius = (4386 * raw - 205200) / 10000
// T_millicelsius = (4386 * raw - 205200) / 10
return (4386*raw - 205200) / 10
}