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usb: Rework configuration change notification

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This commit is contained in:
Ben Gamari
2013-06-14 14:29:27 -04:00
parent 8a529617e5
commit 0972829ce5
4 changed files with 60 additions and 48 deletions
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46
firmware/hackrf_usb/hackrf_usb.c
View File

@ -884,48 +884,16 @@ const usb_request_handlers_t usb_request_handlers = {
.reserved = 0,
};
// TODO: Seems like this should live in usb_standard_request.c.
bool usb_set_configuration(
usb_device_t* const device,
const uint_fast8_t configuration_number
void usb_configuration_changed(
usb_device_t* const device
) {
const usb_configuration_t* new_configuration = 0;
if( configuration_number != 0 ) {
set_transceiver_mode(transceiver_mode);
// Locate requested configuration.
if( device->configurations ) {
usb_configuration_t** configurations = *(device->configurations);
uint32_t i = 0;
const usb_speed_t usb_speed_current = usb_speed(device);
while( configurations[i] ) {
if( (configurations[i]->speed == usb_speed_current) &&
(configurations[i]->number == configuration_number) ) {
new_configuration = configurations[i];
break;
}
i++;
}
}
// Requested configuration not found: request error.
if( new_configuration == 0 ) {
return false;
}
if( device->configuration->number ) {
gpio_set(PORT_LED1_3, PIN_LED1);
} else {
gpio_clear(PORT_LED1_3, PIN_LED1);
}
if( new_configuration != device->configuration ) {
// Configuration changed.
device->configuration = new_configuration;
set_transceiver_mode(transceiver_mode);
if( device->configuration ) {
gpio_set(PORT_LED1_3, PIN_LED1);
} else {
gpio_clear(PORT_LED1_3, PIN_LED1);
}
}
return true;
};
void sgpio_irqhandler() {

7
firmware/hackrf_usb/usb.h
View File

@ -28,13 +28,6 @@
#include "usb_type.h"
// TODO: This is a lame move, requiring an extern to be defined to complete
// the interface between this API and the application.
extern bool usb_set_configuration(
usb_device_t* const device,
const uint_fast8_t configuration_number
);
void usb_peripheral_reset();
void usb_device_init(

46
firmware/hackrf_usb/usb_standard_request.c
View File

@ -20,6 +20,7 @@
*/
#include <stdint.h>
#include <stddef.h>
#include "usb_standard_request.h"
@ -58,10 +59,51 @@ usb_transfer_type_t usb_endpoint_descriptor_transfer_type(
return (endpoint_descriptor[3] & 0x3);
}
extern bool usb_set_configuration(
void (*usb_configuration_changed_cb)(usb_device_t* const) = NULL;
void usb_set_configuration_changed_cb(
void (*callback)(usb_device_t* const)
) {
usb_configuration_changed_cb = callback;
}
bool usb_set_configuration(
usb_device_t* const device,
const uint_fast8_t configuration_number
);
) {
const usb_configuration_t* new_configuration = 0;
if( configuration_number != 0 ) {
// Locate requested configuration.
if( device->configurations ) {
usb_configuration_t** configurations = *(device->configurations);
uint32_t i = 0;
const usb_speed_t usb_speed_current = usb_speed(device);
while( configurations[i] ) {
if( (configurations[i]->speed == usb_speed_current) &&
(configurations[i]->number == configuration_number) ) {
new_configuration = configurations[i];
break;
}
i++;
}
}
// Requested configuration not found: request error.
if( new_configuration == 0 ) {
return false;
}
}
if( new_configuration != device->configuration ) {
// Configuration changed.
device->configuration = new_configuration;
if (usb_configuration_changed_cb)
usb_configuration_changed_cb(device);
}
return true;
}
static usb_request_status_t usb_send_descriptor(
usb_endpoint_t* const endpoint,

9
firmware/hackrf_usb/usb_standard_request.h
View File

@ -25,6 +25,10 @@
#include "usb_type.h"
#include "usb_request.h"
void usb_set_configuration_changed_cb(
void (*callback)(usb_device_t* const)
);
usb_request_status_t usb_standard_request(
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage
@ -42,4 +46,9 @@ usb_transfer_type_t usb_endpoint_descriptor_transfer_type(
const uint8_t* const endpoint_descriptor
);
bool usb_set_configuration(
usb_device_t* const device,
const uint_fast8_t configuration_number
);
#endif//__USB_STANDARD_REQUEST_H__