From 1c4c762c0a5796e21a9b628b9bf5ac1e94bd791f Mon Sep 17 00:00:00 2001 From: gdisirio Date: Tue, 14 May 2013 08:50:47 +0000 Subject: Fixed bug #410. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5734 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32/USBv1/usb_lld.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'os/hal') diff --git a/os/hal/platforms/STM32/USBv1/usb_lld.c b/os/hal/platforms/STM32/USBv1/usb_lld.c index eac014de0..22af59866 100644 --- a/os/hal/platforms/STM32/USBv1/usb_lld.c +++ b/os/hal/platforms/STM32/USBv1/usb_lld.c @@ -350,13 +350,11 @@ CH_IRQ_HANDLER(STM32_USB1_LP_HANDLER) { transmitted = (size_t)USB_GET_DESCRIPTOR(ep)->TXCOUNT0; epcp->in_state->txcnt += transmitted; - epcp->in_state->txsize -= transmitted; - if (epcp->in_state->txsize > 0) { + n = epcp->in_state->txsize - epcp->in_state->txcnt; + if (n > 0) { /* Transfer not completed, there are more packets to send.*/ - if (epcp->in_state->txsize > epcp->in_maxsize) + if (n > epcp->in_maxsize) n = epcp->in_maxsize; - else - n = epcp->in_state->txsize; if (epcp->in_state->txqueued) usb_packet_write_from_queue(USB_GET_DESCRIPTOR(ep), -- cgit v1.2.3