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/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gpio_api.h"
// called before main - implement here if board needs it ortherwise, let
// the application override this if necessary
//void mbed_sdk_init()
//{
//
//}
// Change the NMI pin to an input. This allows NMI pin to
// be used as a low power mode wakeup. The application will
// need to change the pin back to NMI_b or wakeup only occurs once!
void NMI_Handler(void)
{
gpio_t gpio;
gpio_init_in(&gpio, PTA4);
}
// Provide ethernet devices with a semi-unique MAC address from the UUID
void mbed_mac_address(char *mac)
{
// Fetch word 0
uint32_t word0 = *(uint32_t *)0x40048060;
// Fetch word 1
// we only want bottom 16 bits of word1 (MAC bits 32-47)
// and bit 1 forced to 1, bit 0 forced to 0
// Locally administered MAC, reduced conflicts
// http://en.wikipedia.org/wiki/MAC_address
uint32_t word1 = *(uint32_t *)0x4004805C;
word1 |= 0x00000002;
word1 &= 0x0000FFFE;
mac[0] = (word1 & 0x000000ff);
mac[1] = (word1 & 0x0000ff00) >> 8;
mac[2] = (word0 & 0xff000000) >> 24;
mac[3] = (word0 & 0x00ff0000) >> 16;
mac[4] = (word0 & 0x0000ff00) >> 8;
mac[5] = (word0 & 0x000000ff);
}
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