diff options
| author | Uros Majstorovic <majstor@majstor.org> | 2022-09-04 18:08:36 +0200 |
|---|---|---|
| committer | Uros Majstorovic <majstor@majstor.org> | 2022-09-04 18:08:36 +0200 |
| commit | 4db0527c16502103e04c4091dbd803c55538b52f (patch) | |
| tree | 5cb69f87c38c6beb090b7534949f54f66244a2a9 /fw/fe310/bsp/gloss/sys_read.c | |
| parent | 4a78984a753790330f838917d189dc39c0fba2d9 (diff) | |
read/write doeas not block when uart is disabled
Diffstat (limited to 'fw/fe310/bsp/gloss/sys_read.c')
| -rw-r--r-- | fw/fe310/bsp/gloss/sys_read.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fw/fe310/bsp/gloss/sys_read.c b/fw/fe310/bsp/gloss/sys_read.c index 1857fc6..cc14f2a 100644 --- a/fw/fe310/bsp/gloss/sys_read.c +++ b/fw/fe310/bsp/gloss/sys_read.c @@ -4,11 +4,13 @@ #include "platform.h" +#include "soc/uart.h" + /* Read from a file. */ ssize_t _read(int fd, void *ptr, size_t len) { - if (fd != STDIN_FILENO) { + if ((fd != STDIN_FILENO) || !eos_uart_enabled()) { errno = ENOSYS; return -1; } |