diff options
Diffstat (limited to 'firmware/usbstack')
| -rw-r--r-- | firmware/usbstack/usb_storage.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/firmware/usbstack/usb_storage.c b/firmware/usbstack/usb_storage.c index d1279d0ee1..a3b867319d 100644 --- a/firmware/usbstack/usb_storage.c +++ b/firmware/usbstack/usb_storage.c @@ -34,6 +34,7 @@ #if CONFIG_RTC #include "timefuncs.h" #endif +#include "core_alloc.h" #ifdef USB_USE_RAMDISK #define RAMDISK_SIZE 2048 @@ -430,6 +431,7 @@ int usb_storage_get_config_descriptor(unsigned char *dest,int max_packet_size) return (dest - orig_dest); } +static int usb_handle; void usb_storage_init_connection(void) { logf("ums: set config"); @@ -452,13 +454,17 @@ void usb_storage_init_connection(void) #else /* TODO : check if bufsize is at least 32K ? */ size_t bufsize; - unsigned char * audio_buffer; + unsigned char * buffer; + /* dummy ops with no callbacks, needed because by + * default buflib buffers can be moved around which must be avoided */ + static struct buflib_callbacks dummy_ops; - audio_buffer = audio_get_buffer(false,&bufsize); + usb_handle = core_alloc_maximum("usb storage", &bufsize, &dummy_ops); + buffer = core_get_data(usb_handle); #if defined(UNCACHED_ADDR) && CONFIG_CPU != AS3525 - cbw_buffer = (void *)UNCACHED_ADDR((unsigned int)(audio_buffer+31) & 0xffffffe0); + cbw_buffer = (void *)UNCACHED_ADDR((unsigned int)(buffer+31) & 0xffffffe0); #else - cbw_buffer = (void *)((unsigned int)(audio_buffer+31) & 0xffffffe0); + cbw_buffer = (void *)((unsigned int)(buffer+31) & 0xffffffe0); #endif tb.transfer_buffer = cbw_buffer + MAX_CBW_SIZE; commit_discard_dcache(); @@ -478,7 +484,8 @@ void usb_storage_init_connection(void) void usb_storage_disconnect(void) { - /* Empty for now */ + if (usb_handle > 0) + usb_handle = core_free(usb_handle); } /* called by usb_core_transfer_complete() */ |