20 lines
449 B
C
20 lines
449 B
C
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#include <stdint.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <unistd.h>
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ssize_t _bsp_read(int fd, void *ptr, size_t len) {
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uint8_t *current = (uint8_t *)ptr;
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volatile uint32_t *uart_rx = (uint32_t *)0xFFFF0000;
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ssize_t result = 0;
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if (isatty(fd)) {
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for (current = (uint8_t *)ptr; (current < ((uint8_t *)ptr) + len);
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current++) {
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*current = *uart_rx;
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result++;
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}
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return result;
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}
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return EOF;
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}
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