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usb-cdc: Add enums for parity/stop bit definitions

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Sourced from the lm4f usb-cdcacm example, and verified against the USB CDC 1.2
standard document.  (And the 1.1 doc for good luck)
This commit is contained in:
Karl Palsson 2014-01-18 20:45:56 +00:00
parent 5ba8b10428
commit 5830a1ee8a
1 changed files with 14 additions and 0 deletions
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14
include/libopencm3/usb/cdc.h
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@ -128,6 +128,20 @@ struct usb_cdc_line_coding {
uint8_t bDataBits;
} __attribute__((packed));
enum usb_cdc_line_coding_bCharFormat {
USB_CDC_1_STOP_BITS = 0,
USB_CDC_1_5_STOP_BITS = 1,
USB_CDC_2_STOP_BITS = 2,
};
enum usb_cdc_line_coding_bParityType {
USB_CDC_NO_PARITY = 0,
USB_CDC_ODD_PARITY = 1,
USB_CDC_EVEN_PARITY = 2,
USB_CDC_MARK_PARITY = 3,
USB_CDC_SPACE_PARITY = 4,
};
/* Table 30: Class-Specific Notification Codes for PSTN subclasses */
/* ... */
#define USB_CDC_NOTIFY_SERIAL_STATE 0x20