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Support the no CDC protocol as well.

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This commit is contained in:
Scott Shawcroft
2018-11-09 11:30:51 -08:00
parent 537a29273c
commit 299a2f12de
2 changed files with 5 additions and 2 deletions
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4
src/class/cdc/cdc_device.c
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@@ -227,8 +227,10 @@ tusb_error_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * p_interface
{
if ( CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL != p_interface_desc->bInterfaceSubClass) return TUSB_ERROR_CDC_UNSUPPORTED_SUBCLASS;
// Only support AT commands, no protocol and vendor specific commands.
if ( !(tu_within(CDC_COMM_PROTOCOL_ATCOMMAND, p_interface_desc->bInterfaceProtocol, CDC_COMM_PROTOCOL_ATCOMMAND_CDMA) ||
0xff == p_interface_desc->bInterfaceProtocol) )
p_interface_desc->bInterfaceProtocol == CDC_COMM_PROTOCOL_NONE ||
p_interface_desc->bInterfaceProtocol == 0xff ) )
{
return TUSB_ERROR_CDC_UNSUPPORTED_PROTOCOL;
}