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Guest 46 15th Mar, 2019

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                         /*
 * nuart.c
 *
 *  Created on: Mar 12, 2019
 *      Author: ndt
 */

#include "nuart.h"


uint8_t TxBuffer[50];
uint8_t RxBuffer[50];
__IO uint8_t TxCounter = 0x00;
__IO uint8_t RxCounter = 0x00;
uint8_t NbrOfDataToTransfer = 50;
uint8_t NbrOfDataToRead = 50;

void NUart_Init(){

	RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);
	// Configure GPIO for USART1
	Gpio_Uart_Configure();
	// NVIC configure
	USARTx_NVIC_Configure();

	USART_InitTypeDef uart;
	uart.USART_BaudRate = 9600;
	uart.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
	uart.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
	uart.USART_Parity = USART_Parity_No;
	uart.USART_StopBits = USART_StopBits_1;
	uart.USART_WordLength = USART_WordLength_8b;

	USART_Init(USARTx,&uart);



	//USART_ITConfig(USARTx,USART_IT_TXE,ENABLE);
	USART_ITConfig(USARTx,USART_IT_RXNE,ENABLE);

	USART_Cmd(USART1,ENABLE);
}
void Gpio_Uart_Configure(){
	GPIO_InitTypeDef io;
	RCC_APB2PeriphClockCmd(USARTx_GPIO_CLK,ENABLE);

	io.GPIO_Pin  = USARTx_RxPin;
	io.GPIO_Mode = GPIO_Mode_IN_FLOATING;
	GPIO_Init(USARTx_GPIO,&io);

	io.GPIO_Pin  = USARTx_TxPin;
	io.GPIO_Mode = GPIO_Mode_AF_PP;
	io.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(USARTx_GPIO,&io);
}

void USARTx_NVIC_Configure(){
	NVIC_InitTypeDef NVIC_InitStructure;

	/* Configure the NVIC Preemption Priority Bits */
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);

	/* Enable the USARTy Interrupt */
	NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);
}

void Usart_Send(uint8_t *c, uint8_t len){
	while(len--)
    {
        USART_SendData(USART1,*c);
		c++;
	}
}
                      
                                       
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