#include "myADC.h"
#include "pansi.h"
#include <stdint.h>
// #include "stm32h743xx.h"
// #include <stdint.h>

/**
 * Temperature Sensor Characteristics
 * uint16_t perché la grandezza è di 2 byte da datasheet

 | Table 93. Temperature sensor calibration values |
 | Symbol  |           Parameter            | Memory address
=====================================================================
 |TS_CAL1 | Temperature sensor raw data    | 0x1FF1E820 - 0x1FF1E821
            acquired value at 30 °C,
            VDDA =3.3 V
---------------------------------------------------------------------
 /TS_CAL2 / Temperature sensor raw data    | 0x1FF1E840 - 0x1FF1E841
            acquired value at 110 °C,
            VDDA = 3.3 V
=====================================================================
 */
#define TS_CAL1   *(uint16_t *)0x1FF1E820
#define TS_CAL2   *(uint16_t *)0x1FF1E840

#define TCAL_30C  *(uint16_t *)0x1FF1E820
#define TCAL_110C *(uint16_t *)0x1FF1E840

static volatile uint16_t *tsc_cal1 = (uint16_t *)0x1FF1E820;
static volatile uint16_t *tsc_cal2 = (uint16_t *)0x1FF1E840;


#define VREFINT_C *(uint16_t *)(0x1FF1E860)
// Internal Referance Voltage 30
static volatile uint16_t *VRefInCal = (uint16_t *)0x1FF1E860;

/**
 * @brief Funzione per la calibrazione dell'ADC
 * 3 step. (1). controllo se ad è spenta e in caso spengo io
 * (2). Avvio la calibrazione degli offset e quela lineare
 * (3). Aspetto la fine della calibrazione
 */
void myADC3_calibration(void) {


    // (1) check if the ADC is disable after start calibration
    if (ADC3->CR & ADC_CR_ADEN) {
        ADC3->CR |= ADC_CR_ADDIS; // disable
        while (ADC3->CR & ADC_CR_ADEN) {
            // aspettando che si spenga la periferica
            // blink RED led TODO
            
        }
    }

    // (2)
    // configure for a linear calibration.
    ADC3->CR |= ADC_CR_ADCALLIN;
    // start calibration. reset by hardware when the calibration complete
    ADC3->CR |= ADC_CR_ADCAL;

    // (3)
    while (ADC3->CR & ADC_CR_ADCAL) {
        // blink GREEN led
    }
}