init.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #include "main.h"
00017 #include "mbed.h"
00018 #include "NVIC_set_all_priorities.h"
00019 
00020 #if (MY_BOARD == WIGO)
00021 void init() 
00022 {
00023     DigitalOut PWR_EN1(PTB2);
00024     DigitalOut PWR_EN2(PTB3);
00025 
00026     // Wi-Go set current to 500mA since we're turning on the Wi-Fi
00027     PWR_EN1 = 0;
00028     PWR_EN2 = 1;
00029 
00030     NVIC_set_all_irq_priorities(3);
00031     NVIC_SetPriority(SPI0_IRQn, 0x0);     // Wi-Fi SPI interrupt must be higher priority than SysTick
00032     NVIC_SetPriority(PORTA_IRQn, 0x1);
00033     NVIC_SetPriority(SysTick_IRQn, 0x2);  // SysTick set to lower priority than Wi-Fi SPI bus interrupt
00034     PORTA->PCR[16] |=PORT_PCR_ISF_MASK;
00035     PORTA->ISFR |= (1 << 16);
00036 }
00037 
00038 #elif (MY_BOARD == WIFI_DIPCORTEX)
00039 void init() 
00040 {
00041     NVIC_SetPriority(SSP1_IRQn, 0x0);
00042     NVIC_SetPriority(PIN_INT0_IRQn, 0x1);
00043 
00044     // SysTick set to lower priority than Wi-Fi SPI bus interrupt
00045     NVIC_SetPriority(SysTick_IRQn, 0x2);
00046 }
00047 
00048 #elif (MY_BOARD == WIFI_SHIELD_ADAFRUIT)
00049 void init() 
00050 {
00051     NVIC_SetPriority(SPI1_IRQn, 0x0);
00052     NVIC_SetPriority(FPU_IRQn, 0x1);
00053     NVIC_SetPriority(SysTick_IRQn, 0x2);
00054 }
00055 
00056 #else
00057 void init()
00058 {
00059 }
00060 
00061 #endif