usb_queue: Reduce transfer_pool size

This commit is contained in:
Ben Gamari
2013-07-04 13:36:25 -04:00
parent df97b6584b
commit dd81921650

View File

@ -36,7 +36,8 @@ struct _usb_transfer_t {
transfer_completion_cb completion_cb; transfer_completion_cb completion_cb;
}; };
usb_transfer_t transfer_pool[16]; usb_transfer_t transfer_pool[8];
const unsigned int transfer_pool_size = sizeof(transfer_pool) / sizeof(usb_transfer_t);
// Available transfer list // Available transfer list
usb_transfer_t* free_transfers; usb_transfer_t* free_transfers;
@ -49,7 +50,7 @@ usb_transfer_t* endpoint_transfers[12] = {};
void usb_queue_init() { void usb_queue_init() {
usb_transfer_t* t = &transfer_pool[0]; usb_transfer_t* t = &transfer_pool[0];
free_transfers = t; free_transfers = t;
for (unsigned int i=0; i < sizeof(transfer_pool) / sizeof(usb_transfer_t) - 1; i++, t++) { for (unsigned int i=0; i < transfer_pool_size - 1; i++, t++) {
t->next = t+1; t->next = t+1;
} }
t->next = NULL; t->next = NULL;