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author | joeycastillo <joeycastillo@utexas.edu> | 2022-08-03 11:56:52 -0600 |
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committer | GitHub <noreply@github.com> | 2022-08-03 11:56:52 -0600 |
commit | e790a025787e0e1aa59b98b95e194cf4318d1578 (patch) | |
tree | 149bd53bbd46ebddd31957cc827a7c40ccf6f1a0 /watch-library/hardware/watch/watch_private.c | |
parent | 6d87f5a6268a9a516d8c577dfd71b39a5bfc384a (diff) | |
parent | bcd3b666848214a735f37a5a4f08b157ba7bb3a1 (diff) | |
download | Sensor-Watch-e790a025787e0e1aa59b98b95e194cf4318d1578.tar.gz Sensor-Watch-e790a025787e0e1aa59b98b95e194cf4318d1578.tar.bz2 Sensor-Watch-e790a025787e0e1aa59b98b95e194cf4318d1578.zip |
Merge pull request #80 from joeycastillo/lfs
Movement: add a lil file system with lfs
Diffstat (limited to 'watch-library/hardware/watch/watch_private.c')
-rw-r--r-- | watch-library/hardware/watch/watch_private.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/watch-library/hardware/watch/watch_private.c b/watch-library/hardware/watch/watch_private.c index 4b010d4a..cd607b8e 100644 --- a/watch-library/hardware/watch/watch_private.c +++ b/watch-library/hardware/watch/watch_private.c @@ -255,8 +255,15 @@ int _write(int file, char *ptr, int len) { return 0; } -// this method could be overridden to read stuff from the USB console? but no need rn. -int _read(void) { +static char buf[256] = {0}; + +int _read(int file, char *ptr, int len) { + (void)file; + int actual_length = strlen(buf); + if (actual_length) { + memcpy(ptr, buf, min(len, actual_length)); + return actual_length; + } return 0; } @@ -264,8 +271,17 @@ void USB_Handler(void) { tud_int_handler(0); } +static void cdc_task(void) { + if (tud_cdc_n_available(0)) { + tud_cdc_n_read(0, buf, sizeof(buf)); + } else { + memset(buf, 0, 256); + } +} + void TC0_Handler(void) { tud_task(); + cdc_task(); TC0->COUNT8.INTFLAG.reg |= TC_INTFLAG_OVF; } |