aboutsummaryrefslogtreecommitdiffstats
path: root/libmaple/include
diff options
context:
space:
mode:
authorMarti Bolivar <mbolivar@leaflabs.com>2012-08-04 01:47:22 -0400
committerMarti Bolivar <mbolivar@leaflabs.com>2012-08-04 01:47:22 -0400
commitc7eeac87ba20fbb7ffd96706c8ff521fe54321c9 (patch)
tree4817b6bf2ee67382a90aed79071bef37ba46111d /libmaple/include
parent4e20db54c8134c5f967f5ca4d9efe0577b920041 (diff)
downloadlibrambutan-c7eeac87ba20fbb7ffd96706c8ff521fe54321c9.tar.gz
librambutan-c7eeac87ba20fbb7ffd96706c8ff521fe54321c9.zip
usb_cdcacm: Expose line coding state.
This was already supported, so just move the line coding structure to the header and add some functions for accessing the current values. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'libmaple/include')
-rw-r--r--libmaple/include/libmaple/usb_cdcacm.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/libmaple/include/libmaple/usb_cdcacm.h b/libmaple/include/libmaple/usb_cdcacm.h
index 5ceecc3..6649854 100644
--- a/libmaple/include/libmaple/usb_cdcacm.h
+++ b/libmaple/include/libmaple/usb_cdcacm.h
@@ -70,6 +70,33 @@ uint16 usb_cdcacm_get_pending(void);
uint8 usb_cdcacm_get_dtr(void);
uint8 usb_cdcacm_get_rts(void);
+typedef struct usb_cdcacm_line_coding {
+ uint32 dwDTERate; /* Baud rate */
+
+#define USB_CDCACM_STOP_BITS_1 0
+#define USB_CDCACM_STOP_BITS_1_5 1
+#define USB_CDCACM_STOP_BITS_2 2
+ uint8 bCharFormat; /* Stop bits */
+
+#define USB_CDCACM_PARITY_NONE 0
+#define USB_CDCACM_PARITY_ODD 1
+#define USB_CDCACM_PARITY_EVEN 2
+#define USB_CDCACM_PARITY_MARK 3
+#define USB_CDCACM_PARITY_SPACE 4
+ uint8 bParityType; /* Parity type */
+
+ uint8 bDataBits; /* Data bits: 5, 6, 7, 8, or 16 */
+} __packed usb_cdcacm_line_coding;
+
+/* Retrieve a copy of the current line coding structure. */
+void usb_cdcacm_get_line_coding(usb_cdcacm_line_coding*);
+
+/* Line coding conveniences. */
+int usb_cdcacm_get_baud(void); /* dwDTERate */
+int usb_cdcacm_get_stop_bits(void); /* bCharFormat */
+int usb_cdcacm_get_parity(void); /* bParityType */
+int usb_cdcacm_get_n_data_bits(void); /* bDataBits */
+
/*
* Hack: hooks for bootloader reset signalling
*/