From 3f4d5871b8b575d6317dc119a8a5e4501e5211d4 Mon Sep 17 00:00:00 2001 From: Neradoc Date: Mon, 24 Mar 2025 21:21:40 +0100 Subject: [PATCH] revert PR 7100 restoring the ability to read the buffer when no serial client is connected the original issue is fixed in tinyusb --- shared-module/usb_cdc/Serial.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/shared-module/usb_cdc/Serial.c b/shared-module/usb_cdc/Serial.c index 3c67103afcee9..348729365c2fc 100644 --- a/shared-module/usb_cdc/Serial.c +++ b/shared-module/usb_cdc/Serial.c @@ -19,9 +19,7 @@ size_t common_hal_usb_cdc_serial_read(usb_cdc_serial_obj_t *self, uint8_t *data, // Read up to len bytes immediately. // The number of bytes read will not be larger than what is already in the TinyUSB FIFO. uint32_t total_num_read = 0; - if (tud_cdc_n_connected(self->idx)) { - total_num_read = tud_cdc_n_read(self->idx, data, len); - } + total_num_read = tud_cdc_n_read(self->idx, data, len); if (wait_forever || wait_for_timeout) { // Continue filling the buffer past what we already read. @@ -48,9 +46,7 @@ size_t common_hal_usb_cdc_serial_read(usb_cdc_serial_obj_t *self, uint8_t *data, data += num_read; // Try to read another batch of bytes. - if (tud_cdc_n_connected(self->idx)) { - num_read = tud_cdc_n_read(self->idx, data, len); - } + num_read = tud_cdc_n_read(self->idx, data, len); total_num_read += num_read; } } pFad - Phonifier reborn

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