diff options
Diffstat (limited to 'tinyusb/class')
| -rw-r--r-- | tinyusb/class/cdc_host.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/tinyusb/class/cdc_host.c b/tinyusb/class/cdc_host.c index a71982ca7..0d2b1dcc3 100644 --- a/tinyusb/class/cdc_host.c +++ b/tinyusb/class/cdc_host.c @@ -126,10 +126,7 @@ tusb_error_t tusbh_cdc_send(uint8_t dev_addr, void const * p_data, uint32_t leng ASSERT( p_data != NULL && length, TUSB_ERROR_INVALID_PARA); pipe_handle_t pipe_out = cdch_data[dev_addr-1].pipe_out; - if ( !hcd_pipe_is_idle(pipe_out) ) - { - return TUSB_ERROR_INTERFACE_IS_BUSY; - } + if ( hcd_pipe_is_busy(pipe_out) ) return TUSB_ERROR_INTERFACE_IS_BUSY; return hcd_pipe_xfer( pipe_out, (void *) p_data, length, is_notify); } @@ -140,10 +137,7 @@ tusb_error_t tusbh_cdc_receive(uint8_t dev_addr, void * p_buffer, uint32_t lengt ASSERT( p_buffer != NULL && length, TUSB_ERROR_INVALID_PARA); pipe_handle_t pipe_in = cdch_data[dev_addr-1].pipe_in; - if ( !hcd_pipe_is_idle(pipe_in) ) - { - return TUSB_ERROR_INTERFACE_IS_BUSY; - } + if ( hcd_pipe_is_busy(pipe_in) ) return TUSB_ERROR_INTERFACE_IS_BUSY; return hcd_pipe_xfer( pipe_in, p_buffer, length, is_notify); } |