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[/] [riscv_vhdl/] [trunk/] [examples/] [helloworld/] [src/] [helloworld.c] - Rev 5

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/*****************************************************************************
 * @file
 * @author   Sergey Khabarov
 * @brief    Firmware example. 
 ****************************************************************************/
 
#include <inttypes.h>
#include <string.h>
#include <stdio.h>
#include "axi_maps.h"
 
extern char _end;
 
/**
 * @name sbrk
 * @brief Increase program data space.
 * @details Malloc and related functions depend on this.
 */
char *sbrk(int incr) {
    return &_end;
}
 
 
void print_uart(const char *buf, int sz) {
    uart_map *uart = (uart_map *)ADDR_NASTI_SLAVE_UART1;
    for (int i = 0; i < sz; i++) {
        while (uart->status & UART_STATUS_TX_FULL) {}
        uart->data = buf[i];
    }
}
 
void helloWorld() {
    char ss[256];
    int ss_len;
    ss_len = sprintf(ss, "Hellow World - %d!!!!\n", 1);
    print_uart(ss, ss_len);
}
 
 

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