From 31dcce45c81e7a204f773704ce202c591f90660f Mon Sep 17 00:00:00 2001 From: ChunfengMu Date: Fri, 19 Jan 2018 01:23:28 +0800 Subject: 1:修复cdc_vcom命令处理错误，SetLineCoding命令用于设置一些vcom参数，在此处判定vcom连接状态不合适，因通过SetControlLineState命令wValue字段最低位进行判断。 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- components/drivers/usb/usbdevice/class/cdc_vcom.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'components') diff --git a/components/drivers/usb/usbdevice/class/cdc_vcom.c b/components/drivers/usb/usbdevice/class/cdc_vcom.c index 62f3bdcb28..a2eb5e66a0 100644 --- a/components/drivers/usb/usbdevice/class/cdc_vcom.c +++ b/components/drivers/usb/usbdevice/class/cdc_vcom.c @@ -400,12 +400,13 @@ static rt_err_t _interface_handler(ufunction_t func, ureq_t setup) break; case CDC_SET_LINE_CODING: _cdc_set_line_coding(func->device, setup); - data->connected = RT_TRUE; break; case CDC_GET_LINE_CODING: _cdc_get_line_coding(func->device, setup); break; case CDC_SET_CONTROL_LINE_STATE: + data->connected = (setup->wValue & 0x01) > 0?RT_TRUE:RT_FALSE; + RT_DEBUG_LOG(RT_DEBUG_USB, ("vcom state:%d \n", data->connected)); dcd_ep0_send_status(func->device->dcd); break; case CDC_SEND_BREAK: -- cgit v1.3.1