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Fertirrega_v6 AD5934 frequency at 2.5kHz

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hardware
2026-07-24 18:03:46 +01:00
parent c215488ec2
commit e65f787c34
27 changed files with 11159 additions and 10676 deletions
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Fertirrega_v6/Core/Inc/ad5934_driver.h
+68 -12
View File
@@ -87,10 +87,14 @@ extern "C" {
// Values for frequency counts = (freq*2^27)/(1MHz/16)
#define AD5934_FREQ_4K882HZ 0x009FF92F // 4.882kHz
#define AD5934_FREQ_2K5HZ 0x0051EB86 // 2.5kHz
#define AD5934_FREQ_1K953HZ 0x003FFEF3 // 1.953kHz
#define AD5934_FREQ_1K590HZ 0x003419E3 // 1.59kHz
#define AD5934_FREQ_0HZ 0x00000000 // 0Hz
#define AD5934_STEP_FREQ_0 0x0000 // 0 passos
#define AD5934_SETTLING_TIME_0S01 0x000C // 0,01s
//#define AD5934_SETTLING_TIME_0S01 0x000C // 0,01s
#define AD5934_SETTLING_TIME_0S01 0x0080
/*****************************************************************************/
/**************************** Command Codes **********************************/
@@ -122,7 +126,7 @@ extern "C" {
#define AD5934_CH_EC_10MS 0x21
#define AD5934_CH_EC_5MS 0x22
*/
/*
#define AD5934_CH_REF100R_LOW_GAIN 0x09
#define AD5934_CH_REF100R_MID_GAIN 0x0A
#define AD5934_CH_REF100R_HIGH_GAIN 0x0C
@@ -138,7 +142,7 @@ extern "C" {
#define AD5934_CH_EC_LOW_GAIN 0x81
#define AD5934_CH_EC_MID_GAIN 0x82
#define AD5934_CH_EC_HIGH_GAIN 0x84
*/
#define AD5934_LOW_GAIN_BASE 0x01
#define AD5934_MID_GAIN_BASE 0x02
#define AD5934_HIGH_GAIN_BASE 0x04
@@ -161,9 +165,11 @@ extern "C" {
#define AD5934_RTD_A 3.9083e-3f
#define AD5934_RTD_B (-5.775e-7f)
#define AD5934_TEMP_AVERAGES 8
#define AD5934_EC_AVERAGES 8
#define AD5934_TEMP_AVERAGES 16
#define AD5934_EC_AVERAGES 16
#define AD5934_EC_ALPHA_PER_C 0.02f
#define AD5934_EC_TEMP_REF_C 25.0f
union Bytes2Int
{
@@ -183,13 +189,59 @@ union Short2Long
uint32_t number;
};
extern int16_t temperature_dut_samples[AD5934_TEMP_AVERAGES][2];
extern int16_t temperature_ref_samples[AD5934_TEMP_AVERAGES][2];
typedef enum {
AD5934_CH_REF100R_LOW_GAIN = 0,
AD5934_CH_REF100R_MID_GAIN,
AD5934_CH_REF100R_HIGH_GAIN,
AD5934_CH_REF1K_LOW_GAIN,
AD5934_CH_REF1K_MID_GAIN,
AD5934_CH_REF1K_HIGH_GAIN,
AD5934_CH_REF10K_LOW_GAIN,
AD5934_CH_REF10K_MID_GAIN,
AD5934_CH_REF10K_HIGH_GAIN,
AD5934_CH_RTD_LOW_GAIN,
AD5934_CH_RTD_MID_GAIN,
AD5934_CH_RTD_HIGH_GAIN,
AD5934_CH_EC_LOW_GAIN,
AD5934_CH_EC_MID_GAIN,
AD5934_CH_EC_HIGH_GAIN,
AD5934_CH_MAX // Guarda automaticamente o número total de canais (15)
} AD5934_Channel_t;
static const uint8_t ADG715_Channel_Map[AD5934_CH_MAX] = {
[AD5934_CH_REF100R_LOW_GAIN] = (ADG715_SW1 | ADG715_SW4),
[AD5934_CH_REF100R_MID_GAIN] = (ADG715_SW2 | ADG715_SW4),
[AD5934_CH_REF100R_HIGH_GAIN] = (ADG715_SW3 | ADG715_SW4),
[AD5934_CH_REF1K_LOW_GAIN] = (ADG715_SW1 | ADG715_SW5),
[AD5934_CH_REF1K_MID_GAIN] = (ADG715_SW2 | ADG715_SW5),
[AD5934_CH_REF1K_HIGH_GAIN] = (ADG715_SW3 | ADG715_SW5),
[AD5934_CH_REF10K_LOW_GAIN] = (ADG715_SW1 | ADG715_SW6),
[AD5934_CH_REF10K_MID_GAIN] = (ADG715_SW2 | ADG715_SW6),
[AD5934_CH_REF10K_HIGH_GAIN] = (ADG715_SW3 | ADG715_SW6),
[AD5934_CH_RTD_LOW_GAIN] = (ADG715_SW1 | ADG715_SW7),
[AD5934_CH_RTD_MID_GAIN] = (ADG715_SW2 | ADG715_SW7),
[AD5934_CH_RTD_HIGH_GAIN] = (ADG715_SW3 | ADG715_SW7),
[AD5934_CH_EC_LOW_GAIN] = (ADG715_SW1 | ADG715_SW8),
[AD5934_CH_EC_MID_GAIN] = (ADG715_SW2 | ADG715_SW8),
[AD5934_CH_EC_HIGH_GAIN] = (ADG715_SW3 | ADG715_SW8)
};
extern int16_t temperature_dut_samples[2][AD5934_TEMP_AVERAGES];
extern int16_t temperature_ref_samples[2][AD5934_TEMP_AVERAGES];
extern float temperature_display[AD5934_TEMP_AVERAGES];
extern int16_t ec_dut_samples[AD5934_EC_AVERAGES][2];
extern int16_t ec_ref1_samples[AD5934_EC_AVERAGES][2];
extern int16_t ec_ref2_samples[AD5934_EC_AVERAGES][2];
extern int16_t ec_dut_samples[2][AD5934_EC_AVERAGES];
extern int16_t ec_ref1_samples[2][AD5934_EC_AVERAGES];
extern int16_t ec_ref2_samples[2][AD5934_EC_AVERAGES];
extern float ec_display[AD5934_EC_AVERAGES];
extern float ec_temp_dut[AD5934_EC_AVERAGES];
@@ -211,7 +263,9 @@ uint32_t AD5934_Sweep(void);
void AD5934_RestartSweep(void);
float AD5934_GetTemperature(void);
float AD5934_Get_Ref_Resistance(void);
float AD5934_GetTemperature(float mag_ref);
float AD5934_GetImpedance(float temperature_dut);
@@ -221,7 +275,9 @@ float AD5934_Round_Float_Precision(float value, uint8_t number_of_decimals);
float AD5934_Linear_Correction(float raw_value);
float AD5934_Get_Target_Conductivity(float temp);
float AD5934_EC_Compensate_To_25C(float ec_raw_uScm, float temp_C);
float AD5934_EC_Calibrate_Temperature(float temp_C);
void ADG715_SetRegisterValue(char value);
Fertirrega_v6/Core/Inc/ads1015_driver.h
+6 -4
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@@ -13,6 +13,7 @@
#define INC_ADS1015_DRIVER_H_
#include <stdint.h>
#include <math.h>
#include "main.h" // Assuming HAL is included via main.h
#include "stm32f1xx_hal.h"
#include "flash_manager.h"
@@ -125,9 +126,9 @@ extern "C" {
#define ADS1015_KELVIN_OFFSET 273.15f // Constante de conversão Kelvin
#define ADS1015_ADC_MAX 4095.0f
#define ADS1015_ADC_VREF 3.3f
#define ADS1015_ADC_VREF 1024.0f //1.024V in mV
#define PH_DELTA_CALIB 3.0f // Difference between pH 7 and pH 4 used in calibration
#define ADS1015_PH_AVERAGES 8
#define ADS1015_PH_AVERAGES 16
#define ADS1015_TEMPERATURE_ROW 0
#define ADS1015_PH_4_BUFFER_ROW 1
@@ -149,7 +150,7 @@ typedef enum {
extern float ph_averages[ADS1015_PH_AVERAGES];
extern float ph_dut_samples[ADS1015_PH_AVERAGES];
@@ -171,9 +172,10 @@ void ADSstartComparator_SingleEnded(ADS1015_I2C* i2c, uint8_t channel, int16_t
int16_t ADSgetLastConversionResults();
void ADSsetGain(ADS1015_I2C* i2c, adsGain_t gain);
adsGain_t ADSgetGain(ADS1015_I2C* i2c);
float ADSCalculate_ph_Volts(void);
float ADSCalculate_ph_mV(void);
float ADSCalculate_ph_Compensated(float temp_dut);
float ADSCalculate_ph_Uncompensated(void);
float ADSinterpolate_ph(float temp_dut, uint8_t row_index);
float ADSRound_Float_Precision(float value, uint8_t number_of_decimals);
#endif /* INC_ADS1015_DRIVER_H_ */
Fertirrega_v6/Core/Inc/flash_manager.h
+7 -4
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@@ -27,14 +27,17 @@
typedef struct __attribute__((packed, aligned(4)))
{
uint32_t magic_number; // 4 bytes (Validação)
float ph4_volts; // 4 bytes
float ph7_volts; // 4 bytes
float ph4_mV; // 4 bytes
float ph7_mV; // 4 bytes
float ph_temperature; // 4 bytes
float ph_slope_mV; // 4 bytes
float ph7_real; // 4 bytes
float ec1413_mag; // 4 bytes
float ec0_mag; // 4 bytes
float temperature_value; // 4 bytes
float ec_factor; // 4 bytes
uint8_t PT100_PT1000_switch; // 1 byte
uint8_t EC10mS_EC5mS_switch; // 1 byte
uint8_t reserved[998]; // Preenchimento para completar 1024 bytes (1KB)
uint8_t reserved[986]; // Preenchimento para completar 1024 bytes (1KB)
} FlashPage_t;
extern FlashPage_t flash_data;
Fertirrega_v6/Core/Inc/main.h
+7 -6
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@@ -127,12 +127,13 @@ void Error_Handler(void);
/* USER CODE BEGIN Private defines */
#define STATE_RUNNING_OK 0x00
#define STATE_SETUP_CALIBRATION 0x01
#define STATE_RS485_SUPPLY_FAULT 0x02
#define STATE_PH_SUPPLY_FAULT 0x03
#define STATE_EC_RTD_SUPPLY_FAULT 0x04
#define STATE_NO_SETUP_CALIBRATION 0x05
#define STATE_HIGH_AMBIENT_TEMPERATURE 0x06
#define STATE_NO_SETUP_CALIBRATION 0x01
#define STATE_PH4_DRY_EC_CALIBRATION 0x02
#define STATE_PH7_WET_EC_CALIBRATION 0x03
#define STATE_RS485_SUPPLY_FAULT 0x04
#define STATE_PH_SUPPLY_FAULT 0x05
#define STATE_EC_RTD_SUPPLY_FAULT 0x06
#define STATE_HIGH_AMBIENT_TEMPERATURE 0x07
extern uint8_t main_state;
/* USER CODE END Private defines */