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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2012-07-31 13:03:12 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2012-07-31 15:04:49 -0400 |
| commit | 9e49090ac6fb41645e5d09145cc4163e65565788 (patch) | |
| tree | f5247e9864c1476f68110e9deae47ae3f36e2651 /libmaple/include | |
| parent | f4c716a527f374c96923e2f81f6a605335e56aba (diff) | |
| download | librambutan-9e49090ac6fb41645e5d09145cc4163e65565788.tar.gz librambutan-9e49090ac6fb41645e5d09145cc4163e65565788.zip | |
usb_cdcacm: Add hook system.
Provide hooks so users can reach into the CDC ACM callbacks with their
own code. We'll use this to move the bootloader reset signals to
Wirish.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'libmaple/include')
| -rw-r--r-- | libmaple/include/libmaple/usb_cdcacm.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libmaple/include/libmaple/usb_cdcacm.h b/libmaple/include/libmaple/usb_cdcacm.h index 85b4f5e..3b15d48 100644 --- a/libmaple/include/libmaple/usb_cdcacm.h +++ b/libmaple/include/libmaple/usb_cdcacm.h @@ -94,6 +94,19 @@ uint16 usb_cdcacm_get_pending(void); uint8 usb_cdcacm_get_dtr(void); uint8 usb_cdcacm_get_rts(void); +/* + * Hack: hooks for bootloader reset signalling + */ + +#define USB_CDCACM_HOOK_RX 0x1 +#define USB_CDCACM_HOOK_IFACE_SETUP 0x2 + +void usb_cdcacm_set_hooks(unsigned hook_flags, void (*hook)(unsigned, void*)); + +static __always_inline void usb_cdcacm_remove_hooks(unsigned hook_flags) { + usb_cdcacm_set_hooks(hook_flags, 0); +} + #ifdef __cplusplus } #endif |