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| author | Karl Palsson <karlp@tweak.net.au> | 2015-10-16 21:56:42 +0000 |
|---|---|---|
| committer | Karl Palsson <karlp@tweak.net.au> | 2015-10-17 02:15:58 +0000 |
| commit | 8d538b3935842204c7a545184df302958fc2015d (patch) | |
| tree | 94feaf5cb9d44ba2cfb2ada45e2cd9e9cdcaf7ee /shared/trace_stdio.c | |
| parent | 0bcc5d5efd70ed4564c141a7f38f78f52ea088a0 (diff) | |
| download | olsndot-8d538b3935842204c7a545184df302958fc2015d.tar.gz olsndot-8d538b3935842204c7a545184df302958fc2015d.tar.bz2 olsndot-8d538b3935842204c7a545184df302958fc2015d.zip | |
stub adc on/off test code.
Needs a pot on PA0, should get the temperature input working as well.
Diffstat (limited to 'shared/trace_stdio.c')
| -rw-r--r-- | shared/trace_stdio.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/shared/trace_stdio.c b/shared/trace_stdio.c new file mode 100644 index 0000000..2710942 --- /dev/null +++ b/shared/trace_stdio.c @@ -0,0 +1,34 @@ +/* + * support for stdio output to a trace port + * Karl Palsson, 2014 <karlp@remake.is> + */ + +#include <errno.h> +#include <stdio.h> +#include <unistd.h> + +#include "trace.h" + +#ifndef STIMULUS_STDIO +#define STIMULUS_STDIO 0 +#endif + +int _write(int file, char *ptr, int len); +int _write(int file, char *ptr, int len) +{ + int i; + + if (file == STDOUT_FILENO || file == STDERR_FILENO) { + for (i = 0; i < len; i++) { + if (ptr[i] == '\n') { + trace_send_blocking8(STIMULUS_STDIO, '\r'); + } + trace_send_blocking8(STIMULUS_STDIO, ptr[i]); + } + return i; + } + errno = EIO; + return -1; +} + + |