Firmware/MNRS-BM-BSP
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adds ehrenberg platform

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This commit is contained in:
Eyck Jentzsch
2024-01-13 23:06:01 +01:00
parent 1d55083a55
commit 13cd5cc76d
17 changed files with 829 additions and 71 deletions
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20
libwrap/sys/read.c
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@@ -4,32 +4,40 @@
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#if defined(BOARD_ehrenberg)
#include "platform.h"
#endif
#include "platform.h"
#include "stub.h"
#include "weak_under_alias.h"
ssize_t __wrap_read(int fd, void* ptr, size_t len)
{
#if defined(BOARD_hifive1)
uint8_t * current = (uint8_t *)ptr;
#if defined(BOARD_hifive1)
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);
#else
uint8_t * current = (uint8_t *)ptr;
#elif !defined(BOARD_ehrenberg)
volatile uint32_t * uart_rx = (uint32_t *)(UART0_BASE_ADDR + UART_REG_RXFIFO);
volatile uint8_t * uart_rx_cnt = (uint8_t *)(UART0_BASE_ADDR + UART_REG_RXCTRL + 2);
#endif
ssize_t result = 0;
if (isatty(fd)) {
#if defined(BOARD_ehrenberg)
for (current = (uint8_t *)ptr;
(current < ((uint8_t *)ptr) + len) && (uart_get_rx_avail(uart) > 0);
current ++) {
*current = uart_read(uart);
result++;
}
#else
for (current = (uint8_t *)ptr;
(current < ((uint8_t *)ptr) + len) && (*uart_rx_cnt > 0);
current ++) {
*current = *uart_rx;
result++;
}
#endif
return result;
}
return _stub(EBADF);