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Only write to usb when its around.

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Scott Shawcroft 2018-11-09 17:06:55 -08:00
parent 355abc835e
commit d012fd1553
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1 changed files with 3 additions and 0 deletions
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3
supervisor/shared/serial.c
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@ -48,6 +48,9 @@ bool serial_bytes_available(void) {
}
void serial_write_substring(const char* text, uint32_t length) {
if (!tud_cdc_connected()) {
return;
}
uint32_t count = 0;
while (count < length) {
count += tud_cdc_write(text + count, length - count);