From 7e37bb3b1232e8d50745fbcdabf05db0fd981d4c Mon Sep 17 00:00:00 2001
From: Andreas Watterott <awatterott@users.noreply.github.com>
Date: Thu, 9 Nov 2017 19:50:41 +0100
Subject: [PATCH] No fixed value for USB power current.
---
cores/arduino/USB/USBCore.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/cores/arduino/USB/USBCore.h b/cores/arduino/USB/USBCore.h
index cba8089a..75fd9e3d 100644
--- a/cores/arduino/USB/USBCore.h
+++ b/cores/arduino/USB/USBCore.h
@@ -100,6 +100,9 @@
// bMaxPower in Configuration Descriptor
#define USB_CONFIG_POWER_MA(mA) ((mA)/2)
+#ifndef USB_CONFIG_POWER
+ #define USB_CONFIG_POWER (500)
+#endif
#define CDC_V1_10 0x0110
#define CDC_COMMUNICATION_INTERFACE_CLASS 0x02
@@ -258,7 +261,7 @@ _Pragma("pack()")
* idVendor, idProduct, bcdDevice, iManufacturer, iProduct, iSerialNumber, bNumConfigurations */
#define D_CONFIG(_totalLength,_interfaces) \
- { 9, 2, _totalLength,_interfaces, 1, 0, USB_CONFIG_BUS_POWERED | USB_CONFIG_REMOTE_WAKEUP, USB_CONFIG_POWER_MA(500) }
+ { 9, 2, _totalLength,_interfaces, 1, 0, USB_CONFIG_BUS_POWERED | USB_CONFIG_REMOTE_WAKEUP, USB_CONFIG_POWER_MA(USB_CONFIG_POWER) }
/* Table 9-10. Standard Configuration Descriptor
* bLength, bDescriptorType, wTotalLength, bNumInterfaces, bConfigurationValue, iConfiguration
* bmAttributes, bMaxPower */
--
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