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author | Joey Castillo <joeycastillo@utexas.edu> | 2022-05-09 12:55:58 -0400 |
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committer | Joey Castillo <joeycastillo@utexas.edu> | 2022-05-09 13:00:15 -0400 |
commit | 22b1ac0283a6aed800ea86960305284199747cdc (patch) | |
tree | 4756b7024263098ea9f43ef42df15566f296304e /movement/movement.c | |
parent | 21ee056e26c3e158cf56f8577169f86b8d577a65 (diff) | |
download | Sensor-Watch-22b1ac0283a6aed800ea86960305284199747cdc.tar.gz Sensor-Watch-22b1ac0283a6aed800ea86960305284199747cdc.tar.bz2 Sensor-Watch-22b1ac0283a6aed800ea86960305284199747cdc.zip |
simulator: add USB serial input field
Diffstat (limited to 'movement/movement.c')
-rw-r--r-- | movement/movement.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/movement/movement.c b/movement/movement.c index 4a5bc04e..72c087e9 100644 --- a/movement/movement.c +++ b/movement/movement.c @@ -25,7 +25,11 @@ #include <stdio.h> #include <string.h> #include <limits.h> +#include <string.h> +#include <stdlib.h> +#include <stdio.h> #include "watch.h" +#include "filesystem.h" #include "movement.h" #ifndef MOVEMENT_FIRMWARE @@ -423,6 +427,32 @@ bool app_loop(void) { } } + // if we are plugged into USB, handle the file browser tasks + if (watch_is_usb_enabled()) { + char line[256] = {0}; +#if __EMSCRIPTEN__ + // This is a terrible hack; ideally this should be handled deeper in the watch library. + // Alas, emscripten treats read() as something that should pop up an input box, so I + // wasn't able to implement this over there. I sense that this relates to read() being + // the wrong way to read data from USB (like we should be using fgets or something), but + // until I untangle that, this will have to do. + char *received_data = (char*)EM_ASM_INT({ + var len = lengthBytesUTF8(tx) + 1; + var s = _malloc(len); + stringToUTF8(tx, s, len); + return s; + }); + memcpy(line, received_data, min(255, strlen(received_data))); + free(received_data); + EM_ASM({ + tx = ""; + }); +#else + read(0, line, 256); +#endif + if (strlen(line)) printf(line); + } + event.subsecond = 0; return can_sleep && (movement_state.light_ticks == -1) && !movement_state.is_buzzing; |