summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDamien George <damien.p.george@gmail.com>2019-07-16 14:41:59 +1000
committerDamien George <damien.p.george@gmail.com>2019-07-16 14:41:59 +1000
commit788e7f50f246a7e7641217cef147ca04fd3c3ed2 (patch)
treea621898d1ea419fc74b7f6378dc9fa74912f28cf
parentf302f784e96f0b7daa019b282bdf66c1792eec34 (diff)
stm32/usbd_cdc_interface: Make CDC TX/RX buffer sizes configurable.
-rw-r--r--ports/stm32/usbd_cdc_interface.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/ports/stm32/usbd_cdc_interface.h b/ports/stm32/usbd_cdc_interface.h
index 780d4816e..a48516b1f 100644
--- a/ports/stm32/usbd_cdc_interface.h
+++ b/ports/stm32/usbd_cdc_interface.h
@@ -31,8 +31,12 @@
******************************************************************************
*/
+#ifndef USBD_CDC_RX_DATA_SIZE
#define USBD_CDC_RX_DATA_SIZE (1024) // this must be 2 or greater, and a power of 2
+#endif
+#ifndef USBD_CDC_TX_DATA_SIZE
#define USBD_CDC_TX_DATA_SIZE (1024) // I think this can be any value (was 2048)
+#endif
// Values for connect_state
#define USBD_CDC_CONNECT_STATE_DISCONNECTED (0)