From 6ad770e86f2758995ed8730505c9ae165ed8ef59 Mon Sep 17 00:00:00 2001 From: Andreas Watterott Date: Mon, 13 Nov 2017 12:49:06 +0100 Subject: [PATCH] No fixed value for USB power current. --- cores/arduino/USBCore.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/cores/arduino/USBCore.h b/cores/arduino/USBCore.h index 18560b6ba..5e0c7b346 100644 --- a/cores/arduino/USBCore.h +++ b/cores/arduino/USBCore.h @@ -97,6 +97,9 @@ // bMaxPower in Configuration Descriptor #define USB_CONFIG_POWER_MA(mA) ((mA)/2) +#ifndef USB_CONFIG_POWER + #define USB_CONFIG_POWER (500) +#endif // bEndpointAddress in Endpoint Descriptor #define USB_ENDPOINT_DIRECTION_MASK 0x80 @@ -267,7 +270,7 @@ typedef struct { 18, 1, USB_VERSION, _class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs } #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) } #define D_INTERFACE(_n,_numEndpoints,_class,_subClass,_protocol) \ { 9, 4, _n, 0, _numEndpoints, _class,_subClass, _protocol, 0 }