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LSU type from settings (#207) 

* port: per-board SetupESRDriver() and GetESRSupplyR() functions

* Pick sensor type from settings

* f1_rev2: build helper for LSU4.2 FW
This commit is contained in:
Andrey G 2023-02-25 22:46:36 +03:00 committed by GitHub
parent edd9639957
commit a9bc33abbd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
14 changed files with 250 additions and 27 deletions
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4
firmware/boards/f0_module/io/io_pins.h
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@ -6,8 +6,8 @@
#define LED_GREEN_PORT GPIOB
#define LED_GREEN_PIN 6
#define NERNST_ESR_DRIVER_PORT GPIOB
#define NERNST_ESR_DRIVER_PIN 7
#define NERNST_49_ESR_DRIVER_PORT GPIOB
#define NERNST_49_ESR_DRIVER_PIN 7
// PA7
#define HEATER_PWM_DEVICE PWMD1

17
firmware/boards/f0_module/port.cpp
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@ -149,3 +149,20 @@ SensorType GetSensorType()
{
return SensorType::LSU49;
}
void SetupESRDriver(SensorType sensor)
{
// NOP
}
int GetESRSupplyR()
{
// Nernst AC injection resistor value
return 22000;
}
void ToggleESRDriver(SensorType sensor)
{
(void)sensor;
palTogglePad(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN);
}

30
firmware/boards/f1_common/f1_port.cpp
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@ -23,10 +23,15 @@ static MFSDriver mfs1;
static Configuration cfg;
#define MFS_CONFIGURATION_RECORD_ID 1
#ifndef BOARD_DEFAULT_SENSOR_TYPE
#define BOARD_DEFAULT_SENSOR_TYPE SensorType::LSU49
#endif
// Configuration defaults
void Configuration::LoadDefaults()
{
CanIndexOffset = 0;
sensorType = BOARD_DEFAULT_SENSOR_TYPE;
/* Finaly */
Tag = ExpectedTag;
@ -84,13 +89,20 @@ const char *getTsSignature() {
SensorType GetSensorType()
{
/* TODO: load from settings */
#if defined(BOARD_SENSOR_LSU42)
return SensorType::LSU42;
#elif defined(BOARD_SENSOR_LSUADV)
return SensorType::LSUADV;
#else
/* default is LSU4.9 */
return SensorType::LSU49;
#endif
return cfg.sensorType;
}
void ToggleESRDriver(SensorType sensor)
{
switch (sensor) {
case SensorType::LSU42:
palTogglePad(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN);
break;
case SensorType::LSU49:
palTogglePad(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN);
break;
case SensorType::LSUADV:
palTogglePad(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN);
break;
}
}

7
firmware/boards/f1_dual/io/io_pins.h
View File

@ -22,8 +22,11 @@
#define NERNST_42_ESR_DRIVER_PIN 12
// LSU 4.9 - 22K
#define NERNST_ESR_DRIVER_PORT GPIOB
#define NERNST_ESR_DRIVER_PIN 11
#define NERNST_49_ESR_DRIVER_PORT GPIOB
#define NERNST_49_ESR_DRIVER_PIN 11
#define NERNST_49_BIAS_PORT GPIOB
#define NERNST_49_BIAS_PIN 2
// LSU ADV - 47K
#define NERNST_ADV_ESR_DRIVER_PORT GPIOB

60
firmware/boards/f1_dual/port.cpp
View File

@ -126,3 +126,63 @@ AnalogResult AnalogSample()
.VirtualGroundVoltageInt = HALF_VCC,
};
}
/* TODO: optimize */
void SetupESRDriver(SensorType sensor)
{
switch (sensor) {
case SensorType::LSU42:
/* disable bias */
palSetPadMode(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN,
PAL_MODE_INPUT);
/* disable all others ESR drivers */
palSetPadMode(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
palSetPadMode(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
/* enable LSU4.2 */
palSetPadMode(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
break;
case SensorType::LSU49:
/* disable all others ESR drivers */
palSetPadMode(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
palSetPadMode(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
/* enable LSU4.2 */
palSetPadMode(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
/* enable bias */
palSetPadMode(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN);
break;
case SensorType::LSUADV:
/* disable bias */
palSetPadMode(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN,
PAL_MODE_INPUT);
/* disable all others ESR drivers */
palSetPadMode(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
palSetPadMode(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
/* enable LSU4.2 */
palSetPadMode(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
break;
}
}
int GetESRSupplyR()
{
switch (GetSensorType()) {
case SensorType::LSU42:
return 6800;
case SensorType::LSU49:
return 22000;
case SensorType::LSUADV:
return 47000;
}
return 0;
}

8
firmware/boards/f1_rev2/board.h
View File

@ -99,20 +99,20 @@
* Port B setup.
* PB0 - Vbatt_sense (analog in).
* PB1 - Heater_sense (analog in).
* PB2 - Nernsr_4.9_bias (digital output, 2 Mhz)
* PB2 - Nernsr_4.9_bias (digital input, no pull) - keep high-Z after power on
* PB3 - SWO (digital input)
* PB4..PB5 - DISP1..DISP2 - unused
* PB6 - heater_pwm (output pushpull, alternate, 2 MHz).
* PB7..PB9 - DISP4..DISP6 - unused
* PB10 - Nernsr_ADV_esr_drive (digital input, no pull) - keep high-Z after power on
* PB11 - Nernsr_4.9_esr_drive (output pushpull, 50 Mhz)
* PB11 - Nernsr_4.9_esr_drive (digital input, no pull) - keep high-Z after power on
* PB12 - Nernsr_4.2_esr_drive (digital input, no pull) - keep high-Z after power on
* PB13 - Blue LED (output pushpull, 2 MHz)
* PB14 - PWMout2 (output pushpull, alternate, 2 Mhz).
* PB15 - PWMout1 (output pushpull, alternate, 2 Mhz).
*/
#define VAL_GPIOBCRL 0x8A888200 /* PB7...PB0 */
#define VAL_GPIOBCRH 0xAA243488 /* PB15...PB8 */
#define VAL_GPIOBCRL 0x8A888400 /* PB7...PB0 */
#define VAL_GPIOBCRH 0xAA244488 /* PB15...PB8 */
#define VAL_GPIOBODR 0x0000FFFF
/*

4
firmware/boards/f1_rev2/build_wideband_lsu42.sh Executable file
View File

@ -0,0 +1,4 @@
#!/bin/bash
UDEFS="-DBOARD_DEFAULT_SENSOR_TYPE=SensorType::LSU42" \
./build_wideband.sh

7
firmware/boards/f1_rev2/io/io_pins.h
View File

@ -22,8 +22,11 @@
#define NERNST_42_ESR_DRIVER_PIN 12
// LSU 4.9 - 22K
#define NERNST_ESR_DRIVER_PORT GPIOB
#define NERNST_ESR_DRIVER_PIN 11
#define NERNST_49_ESR_DRIVER_PORT GPIOB
#define NERNST_49_ESR_DRIVER_PIN 11
#define NERNST_49_BIAS_PORT GPIOB
#define NERNST_49_BIAS_PIN 2
// LSU ADV - 47K
#define NERNST_ADV_ESR_DRIVER_PORT GPIOB

60
firmware/boards/f1_rev2/port.cpp
View File

@ -76,3 +76,63 @@ AnalogResult AnalogSample()
.VirtualGroundVoltageInt = HALF_VCC,
};
}
/* TODO: optimize */
void SetupESRDriver(SensorType sensor)
{
switch (sensor) {
case SensorType::LSU42:
/* disable bias */
palSetPadMode(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN,
PAL_MODE_INPUT);
/* disable all others ESR drivers */
palSetPadMode(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
palSetPadMode(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
/* enable LSU4.2 */
palSetPadMode(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
break;
case SensorType::LSU49:
/* disable all others ESR drivers */
palSetPadMode(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
palSetPadMode(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
/* enable LSU4.2 */
palSetPadMode(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
/* enable bias */
palSetPadMode(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN);
break;
case SensorType::LSUADV:
/* disable bias */
palSetPadMode(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN,
PAL_MODE_INPUT);
/* disable all others ESR drivers */
palSetPadMode(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
palSetPadMode(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
/* enable LSU4.2 */
palSetPadMode(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
break;
}
}
int GetESRSupplyR()
{
switch (GetSensorType()) {
case SensorType::LSU42:
return 6800;
case SensorType::LSU49:
return 22000;
case SensorType::LSUADV:
return 47000;
}
return 0;
}

7
firmware/boards/f1_rev3/io/io_pins.h
View File

@ -22,8 +22,11 @@
#define NERNST_42_ESR_DRIVER_PIN 12
// LSU 4.9 - 22K
#define NERNST_ESR_DRIVER_PORT GPIOB
#define NERNST_ESR_DRIVER_PIN 11
#define NERNST_49_ESR_DRIVER_PORT GPIOB
#define NERNST_49_ESR_DRIVER_PIN 11
#define NERNST_49_BIAS_PORT GPIOB
#define NERNST_49_BIAS_PIN 2
// LSU ADV - 47K
#define NERNST_ADV_ESR_DRIVER_PORT GPIOB

60
firmware/boards/f1_rev3/port.cpp
View File

@ -73,3 +73,63 @@ AnalogResult AnalogSample()
.VirtualGroundVoltageInt = HALF_VCC,
};
}
/* TODO: optimize */
void SetupESRDriver(SensorType sensor)
{
switch (sensor) {
case SensorType::LSU42:
/* disable bias */
palSetPadMode(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN,
PAL_MODE_INPUT);
/* disable all others ESR drivers */
palSetPadMode(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
palSetPadMode(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
/* enable LSU4.2 */
palSetPadMode(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
break;
case SensorType::LSU49:
/* disable all others ESR drivers */
palSetPadMode(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
palSetPadMode(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
/* enable LSU4.2 */
palSetPadMode(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
/* enable bias */
palSetPadMode(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN);
break;
case SensorType::LSUADV:
/* disable bias */
palSetPadMode(NERNST_49_BIAS_PORT, NERNST_49_BIAS_PIN,
PAL_MODE_INPUT);
/* disable all others ESR drivers */
palSetPadMode(NERNST_49_ESR_DRIVER_PORT, NERNST_49_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
palSetPadMode(NERNST_42_ESR_DRIVER_PORT, NERNST_42_ESR_DRIVER_PIN,
PAL_MODE_INPUT);
/* enable LSU4.2 */
palSetPadMode(NERNST_ADV_ESR_DRIVER_PORT, NERNST_ADV_ESR_DRIVER_PIN,
PAL_MODE_OUTPUT_PUSHPULL);
break;
}
}
int GetESRSupplyR()
{
switch (GetSensorType()) {
case SensorType::LSU42:
return 6800;
case SensorType::LSU49:
return 22000;
case SensorType::LSUADV:
return 47000;
}
return 0;
}

3
firmware/boards/port.h
View File

@ -76,3 +76,6 @@ const char *getTsSignature();
// LSU4.2, LSU4.9 or LSU_ADV
SensorType GetSensorType();
void SetupESRDriver(SensorType sensor);
void ToggleESRDriver(SensorType sensor);
int GetESRSupplyR();

7
firmware/sampling.cpp
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@ -45,6 +45,7 @@ static void SamplingThread(void*)
chRegSetThreadName("Sampling");
SetupESRDriver(GetSensorType());
/* GD32: Insert 20us delay after ADC enable */
chThdSleepMilliseconds(1);
@ -54,7 +55,7 @@ static void SamplingThread(void*)
auto result = AnalogSample();
// Toggle the pin after sampling so that any switching noise occurs while we're doing our math instead of when sampling
palTogglePad(NERNST_ESR_DRIVER_PORT, NERNST_ESR_DRIVER_PIN);
ToggleESRDriver(GetSensorType());
for (int ch = 0; ch < AFR_CHANNELS; ch++) {
measure_results &res = results[ch];
@ -109,8 +110,8 @@ float GetNernstAc(int ch)
float GetSensorInternalResistance(int ch)
{
// Sensor is the lowside of a divider, top side is 22k, and 3.3v AC pk-pk is injected
float totalEsr = ESR_SUPPLY_R / (VCC_VOLTS / GetNernstAc(ch) - 1);
// Sensor is the lowside of a divider, top side is GetESRSupplyR(), and 3.3v AC pk-pk is injected
float totalEsr = GetESRSupplyR() / (VCC_VOLTS / GetNernstAc(ch) - 1);
// There is a resistor between the opamp and Vm sensor pin. Remove the effect of that
// resistor so that the remainder is only the ESR of the sensor itself

3
firmware/wideband_config.h
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@ -14,9 +14,6 @@
// Nernst voltage & ESR sense
// *******************************
// Nernst AC injection resistor value
#define ESR_SUPPLY_R (22000)
// Heater low pass filter
#define ESR_SENSE_ALPHA (0.002f)