Simon NOWAK / Mbed 2 deprecated RegistreSerial

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Dependencies:   mbed

main.cpp

Committer:
SimonNOWAK
Date:
2017-04-05
Revision:
0:25823c5e440a
Child:
1:2b6896966307

File content as of revision 0:25823c5e440a:

#include "mbed.h"

void usartSetup (void) {
    RCC->IOPENR |= RCC_IOPENR_IOPAEN;
    GPIOA->ODR |= GPIO_ODR_OD9;
    RCC->APB2ENR |= RCC_APB2ENR_USART1EN;            // enable clock for USART1
    USART1->BRR  = 160000 / 96;              // set baudrate
    USART1->CR1 |= (USART_CR1_RE | USART_CR1_TE);  // RX, TX enable
    USART1->CR1 |= USART_CR1_UE;                    // USART enable
}

void SendChar(){
    while (!(USART1->ISR & (USART1->ISR | USART_ISR_TXE)));
    char stringtosend[4];
    stringtosend[0] = 'T';
    stringtosend[1] = 'e';
    stringtosend[2] = 'x';
    stringtosend[3] = 't';
    for(int send = 0; send < 4; send++){
        USART1->TDR = stringtosend[send];
    }
}

int main() {
    usartSetup();
    SendChar();
}