diag.c File Reference

#include "diag.h"
#include "otp.h"
#include "gpio.h"
#include "stm32f4xx_hal.h"
#include "w25x.h"
#include "st25dv64k.h"
#include "usb_host.h"

Functions
void	diag_delay (int delay)
void	diag_check_fastboot (void)
int	diag_eeprom ()
void	diag_test (void)

Variables
int	diag_fastboot = 0
int	diag_error = 0
ApplicationTypeDef	Appli_state

Function Documentation

diag_delay()

void diag_delay

(

int

delay

)

                           {
    volatile int i;
    for (i = 0; i < delay; i++) {
    }
}

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diag_check_fastboot()

void diag_check_fastboot

(

void

)

                               {
    if (otp_lock_sector0) //not locked
    {
        __HAL_RCC_GPIOC_CLK_ENABLE();
        gpio_init(PC7, GPIO_MODE_INPUT, GPIO_PULLUP, GPIO_SPEED_FREQ_VERY_HIGH);
        diag_delay(100000);
        int i;
        for (i = 0; i < 10; i++) {
            if (gpio_get(PC7))
                break;
            diag_delay(10000);
        }
        diag_fastboot = ((i == 10) && !gpio_get(PC7)) ? 1 : 0;
    }
}

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diag_eeprom()

int diag_eeprom

(

)

                  {
    int ee_adress = 0x00;
    int ee_data = 0x56;
    int diag_eeprom;
    st25dv64k_init();
    st25dv64k_user_write(ee_adress, ee_data);
    diag_eeprom = (st25dv64k_user_read(ee_adress) == ee_data) ? 1 : 0;
    return diag_eeprom;
}

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diag_test()

void diag_test

(

void

)

                     {
    diag_error = 0;
    //SPI DIAG
    if (diag_error == 0)
        if (!w25x_init())
            diag_error = DIAG_ERR_SPIFLASH;
 
    //I2C EEPROM
    if (diag_error == 0)
        if (!diag_eeprom())
            diag_error = DIAG_ERR_I2CEEPROM;
 
    //USBA
    if (diag_error == 0)
        if (!(Appli_state == APPLICATION_READY))
            diag_error = DIAG_ERR_USBA;
}

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Variable Documentation

diag_fastboot

int diag_fastboot = 0

diag_error

int diag_error = 0

Appli_state

ApplicationTypeDef Appli_state