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Use native ADC resolution where possible (#15719)

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This commit is contained in:
LinFor
2019-11-07 02:49:17 +03:00
committed by Scott Lahteine
parent 9201197878
commit a84e3d1b80
17 changed files with 77 additions and 43 deletions
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2
Marlin/src/HAL/HAL.h
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@ -25,6 +25,8 @@
#include HAL_PATH(.,HAL.h)
#define HAL_ADC_RANGE _BV(HAL_ADC_RESOLUTION)
inline void watchdog_refresh() {
#if ENABLED(USE_WATCHDOG)
HAL_watchdog_refresh();

1
Marlin/src/HAL/HAL_AVR/HAL.h
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@ -365,6 +365,7 @@ inline void HAL_adc_init() {
#define HAL_START_ADC(pin) ADCSRB = 0; SET_ADMUX_ADCSRA(pin)
#endif
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() ADC
#define HAL_ADC_READY() !TEST(ADCSRA, ADSC)

1
Marlin/src/HAL/HAL_DUE/HAL.h
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@ -133,6 +133,7 @@ extern uint16_t HAL_adc_result; // result of last ADC conversion
inline void HAL_adc_init() {}//todo
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() HAL_adc_result
#define HAL_ADC_READY() true

1
Marlin/src/HAL/HAL_ESP32/HAL.h
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@ -111,6 +111,7 @@ void eeprom_update_block (const void *__src, void *__dst, size_t __n);
void HAL_adc_init();
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() HAL_adc_result
#define HAL_ADC_READY() true

1
Marlin/src/HAL/HAL_LINUX/HAL.h
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@ -89,6 +89,7 @@ int freeMemory();
// ADC
#define HAL_ANALOG_SELECT(pin) HAL_adc_enable_channel(pin)
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() HAL_adc_get_result()
#define HAL_ADC_READY() true

7
Marlin/src/HAL/HAL_LPC1768/HAL.h
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@ -131,11 +131,14 @@ int freeMemory();
// K = 6, 565 samples, 500Hz sample rate, 1.13s convergence on full range step
// Memory usage per ADC channel (bytes): 4 (32 Bytes for 8 channels)
using FilteredADC = LPC176x::ADC<ADC_LOWPASS_K_VALUE, ADC_MEDIAN_FILTER_SIZE>;
#define HAL_ADC_RESULT_BITS 12 // 15 bit maximum, raw temperature is stored as int16_t
#define HAL_ADC_FILTERED // Disable oversampling done in Marlin as ADC values already filtered in HAL
#define HAL_ADC_RESOLUTION HAL_ADC_RESULT_BITS
using FilteredADC = LPC176x::ADC<ADC_LOWPASS_K_VALUE, ADC_MEDIAN_FILTER_SIZE>;
extern uint32_t HAL_adc_reading;
[[gnu::always_inline]] inline void HAL_start_adc(const pin_t pin) {
HAL_adc_reading = FilteredADC::read(pin) >> 6; // returns 16bit value, reduce to 10bit
HAL_adc_reading = FilteredADC::read(pin) >> (16 - HAL_ADC_RESULT_BITS); // returns 16bit value, reduce to required bits
}
[[gnu::always_inline]] inline uint16_t HAL_read_adc() {
return HAL_adc_reading;

1
Marlin/src/HAL/HAL_SAMD51/HAL.h
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@ -110,6 +110,7 @@ extern uint16_t HAL_adc_result; // result of last ADC conversion
void HAL_adc_init();
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() HAL_adc_result
#define HAL_ADC_READY() true

1
Marlin/src/HAL/HAL_STM32/HAL.h
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@ -188,6 +188,7 @@ void eeprom_update_block(const void *__src, void *__dst, size_t __n);
inline void HAL_adc_init() {}
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() HAL_adc_result
#define HAL_ADC_READY() true

1
Marlin/src/HAL/HAL_STM32F1/HAL.h
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@ -238,6 +238,7 @@ void eeprom_update_block(const void *__src, void *__dst, size_t __n);
void HAL_adc_init();
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() HAL_adc_result
#define HAL_ADC_READY() true

1
Marlin/src/HAL/HAL_STM32_F4_F7/HAL.h
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@ -208,6 +208,7 @@ void eeprom_update_block (const void *__src, void *__dst, size_t __n);
inline void HAL_adc_init() {}
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() HAL_adc_result
#define HAL_ADC_READY() true

1
Marlin/src/HAL/HAL_TEENSY31_32/HAL.h
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@ -109,6 +109,7 @@ extern "C" {
void HAL_adc_init();
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() HAL_adc_get_result()
#define HAL_ADC_READY() true

1
Marlin/src/HAL/HAL_TEENSY35_36/HAL.h
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@ -115,6 +115,7 @@ extern "C" {
void HAL_adc_init();
#define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
#define HAL_ADC_RESOLUTION 10
#define HAL_READ_ADC() HAL_adc_get_result()
#define HAL_ADC_READY() true