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Code Issues Releases Wiki Activity

Use linked list for device's drivers, not fixed size array

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This commit is contained in:
PaulStoffregen 2017-02-12 00:22:50 -08:00
parent 326ecbe228
commit 26fa6f2e34
2 changed files with 5 additions and 5 deletions
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3
USBHost.h
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@ -63,7 +63,8 @@ struct Device_struct {
Pipe_t *control_pipe;
Device_t *next;
setup_t setup;
USBHostDriver *driver[6];
//USBHostDriver *driver[6];
USBHostDriver *drivers;
uint8_t speed; // 0=12, 1=1.5, 2=480 Mbit/sec
uint8_t address;
uint8_t hub_address;

7
enumeration.cpp
View File

@ -219,9 +219,8 @@ void USBHost::enumeration(const Transfer_t *transfer)
return;
case 15: // control transfers for other stuff?
// TODO: handle other standard control: set/clear feature, etc
for (unsigned int i=0; i < 6; i++) {
if (dev->driver[i] == NULL) break; // no more drivers
if (dev->driver[i]->control_callback(transfer)) {
for (USBHostDriver *d = dev->drivers; d != NULL; d = d->next) {
if (d->control_callback(transfer)) {
// this driver processed the control transfer reply
return;
}
@ -245,7 +244,7 @@ static void claim_drivers(Device_t *dev)
available_drivers = driver->next;
}
driver->next = NULL;
dev->driver[0] = driver;
dev->drivers = driver;
return;
}
prev = driver;