#include "tm_stm32f4_usb_vcp.h"
#include "tm_stm32f4_disco.h"
#include "tm_stm32f4_delay.h"
#include "tm_stm32f4_usart.h"
#include "tm_stm32f4_adc.h"
#include "stm32f4xx.h"
#include "defines.h"
#include "stdlib.h"
#include <stdio.h>

int main(void) {

    uint8_t c;
	//	char str[15];

    short rng;

    /* System Init */

    SystemInit();

    /* Initialize LED's. Make sure to check settings for your board in tm_stm32f4_disco.h file */
    TM_DISCO_LedInit();

    /* Initialize USB VCP */
    TM_USB_VCP_Init();
		TM_DELAY_Init();
		//TM_USART_Init(USART1, TM_USART_PinsPack_2, 115200);
	  TM_ADC_Init(ADC1, ADC_Channel_0);
		 rng = 0;
    while (1) {
        /* USB configured OK, drivers OK */
        if (TM_USB_VCP_GetStatus() == TM_USB_VCP_CONNECTED) {
            /* Turn on GREEN led */
						// sprintf(str, "%4d: \n\r", TM_ADC_Read(ADC1, ADC_Channel_0));
						// TM_USB_VCP_Putc(TM_ADC_Read(ADC1, ADC_Channel_0));
						// Delayms(100);
						// TM_USB_VCP_Putc(TM_ADC_Read(ADC1, ADC_Channel_0));
                                               // while(--delay);

                                                TM_DISCO_LedOn(LED_GREEN);

                                                TM_USB_VCP_Putc((float)++rng);
                                               // delay = 10000000;
                                               // while(--delay);
                                               // rng = rand() % 4095;
						//Delayms(1000);
                                                TM_DISCO_LedOff(LED_GREEN);
                                               // TM_USB_VCP_Putc(rng);
																							//	TM_USB_VCP_Putc(rng>>8);
                                              //  delay = 10000000;
             Delayms(1000);
                                        /* If something arrived at VCP */
                                        if (TM_USB_VCP_Getc(&c) == TM_USB_VCP_DATA_OK) {
                                                        /* Return data back */
                                                        TM_USB_VCP_Putc(c);
                                        }
        } else {
            /* USB not OK */
            TM_DISCO_LedOff(LED_GREEN);
        }
    }
}