Merge branch 'dbl-buf-usb'

For bulk double buffer support.

Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/libmaple/usb/stm32f1/usb_reg_map.c b/libmaple/usb/stm32f1/usb_reg_map.c
index 75562e1..ea60cb3 100644
--- a/libmaple/usb/stm32f1/usb_reg_map.c
+++ b/libmaple/usb/stm32f1/usb_reg_map.c
@@ -58,8 +58,7 @@ void usb_copy_from_pma(uint8 *buf, uint16 len, uint16 pma_offset) {
     }
 }
 
-void usb_set_ep_rx_count(uint8 ep, uint16 count) {
-    uint32 *rxc = usb_ep_rx_count_ptr(ep);
+static void usb_set_ep_rx_count_common(uint32 *rxc, uint16 count) {
     uint16 nblocks;
     if (count > 62) {
         /* use 32-byte memory block size */
@@ -77,3 +76,13 @@ void usb_set_ep_rx_count(uint8 ep, uint16 count) {
         *rxc = nblocks << 10;
     }
 }
+
+void usb_set_ep_rx_buf0_count(uint8 ep, uint16 count) {
+    uint32 *rxc = usb_ep_rx_buf0_count_ptr(ep);
+    usb_set_ep_rx_count_common(rxc, count);
+}
+
+void usb_set_ep_rx_count(uint8 ep, uint16 count) {
+    uint32 *rxc = usb_ep_rx_count_ptr(ep);
+    usb_set_ep_rx_count_common(rxc, count);
+}