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/* See LICENSE of license details. */
#include <stdint.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include "stub.h"
ssize_t _read(int fd, void* ptr, size_t len)
{
// The below code was copied from freedom-e-sdk, but seems it is definitely wrong, so just comment it out
// Need to implement this function in the future, otherwise cannot use the C scanf function
//uint8_t * current = (uint8_t *)ptr;
//volatile uint32_t * uart_rx = (uint32_t *)(UART0_CTRL_ADDR + UART_REG_RXFIFO);
//volatile uint8_t * uart_rx_cnt = (uint8_t *)(UART0_CTRL_ADDR + UART_REG_RXCTRL + 2);
//ssize_t result = 0;
//if (isatty(fd)) {
// for (current = (uint8_t *)ptr;
// (current < ((uint8_t *)ptr) + len) && (*uart_rx_cnt > 0);
// current ++) {
// *current = *uart_rx;
// result++;
// }
// return result;
//}
return _stub(EBADF);
}
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