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usb: provide typedefs for all the function callbacks.

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This makes it easier to read for most people, and makes it substantially
easier to review changes in the function signatures themselves at a
later date.
This commit is contained in:
Kuldeep Singh Dhaka
2015-05-27 03:42:09 +05:30
committed by Karl Palsson
parent b1e495f51a
commit 4b892724cf
5 changed files with 23 additions and 22 deletions
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20
include/libopencm3/usb/usbd.h
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@@ -75,10 +75,19 @@ extern void usbd_register_resume_callback(usbd_device *usbd_dev,
extern void usbd_register_sof_callback(usbd_device *usbd_dev,
void (*callback)(void));
typedef int (*usbd_control_complete_callback)(usbd_device *usbd_dev,
struct usb_setup_data *req);
typedef int (*usbd_control_callback)(usbd_device *usbd_dev,
struct usb_setup_data *req, uint8_t **buf, uint16_t *len,
void (**complete)(usbd_device *usbd_dev,
struct usb_setup_data *req));
usbd_control_complete_callback *complete);
typedef void (*usbd_set_config_callback)(usbd_device *usbd_dev, uint16_t wValue);
typedef void (*usbd_set_altsetting_callback)(usbd_device *usbd_dev,
uint16_t wIndex, uint16_t wValue);
typedef void (*usbd_endpoint_callback)(usbd_device *usbd_dev, uint8_t ep);
/* <usb_control.c> */
extern int usbd_register_control_callback(usbd_device *usbd_dev, uint8_t type,
@@ -87,18 +96,17 @@ extern int usbd_register_control_callback(usbd_device *usbd_dev, uint8_t type,
/* <usb_standard.c> */
extern int usbd_register_set_config_callback(usbd_device *usbd_dev,
void (*callback)(usbd_device *usbd_dev, uint16_t wValue));
usbd_set_config_callback callback);
extern void usbd_register_set_altsetting_callback(usbd_device *usbd_dev,
void (*callback)(usbd_device *usbd_dev, uint16_t wIndex, uint16_t wValue));
usbd_set_altsetting_callback callback);
/* Functions to be provided by the hardware abstraction layer */
extern void usbd_poll(usbd_device *usbd_dev);
extern void usbd_disconnect(usbd_device *usbd_dev, bool disconnected);
extern void usbd_ep_setup(usbd_device *usbd_dev, uint8_t addr, uint8_t type,
uint16_t max_size,
void (*callback)(usbd_device *usbd_dev, uint8_t ep));
uint16_t max_size, usbd_endpoint_callback callback);
extern uint16_t usbd_ep_write_packet(usbd_device *usbd_dev, uint8_t addr,
const void *buf, uint16_t len);