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-rw-r--r--examples/device/printer_to_cdc/src/usb_descriptors.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/examples/device/printer_to_cdc/src/usb_descriptors.c b/examples/device/printer_to_cdc/src/usb_descriptors.c
index b9450c87e..92cd2b6be 100644
--- a/examples/device/printer_to_cdc/src/usb_descriptors.c
+++ b/examples/device/printer_to_cdc/src/usb_descriptors.c
@@ -67,7 +67,15 @@ uint8_t const *tud_descriptor_device_cb(void) {
//--------------------------------------------------------------------+
// Endpoint numbers
-#if CFG_TUD_ENDPOINT_ONE_DIRECTION_ONLY
+#if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX
+ // LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number
+ // 0 control, 1 In, 2 Bulk, 3 Iso, 4 In, 5 Bulk etc ...
+ #define EPNUM_CDC_NOTIF 0x81
+ #define EPNUM_CDC_OUT 0x02
+ #define EPNUM_CDC_IN 0x82
+ #define EPNUM_PRINTER_OUT 0x05
+ #define EPNUM_PRINTER_IN 0x85
+#elif CFG_TUD_ENDPOINT_ONE_DIRECTION_ONLY
#if TU_CHECK_MCU(OPT_MCU_MAX32650, OPT_MCU_MAX32666, OPT_MCU_MAX32690, OPT_MCU_MAX78002)
// Put bulk on EP>=8 so the 2048/4096-byte FIFOs can back double packet buffering
#define EPNUM_CDC_NOTIF 0x81