void HAL_Interrupts_Detach(uint16_t pin)
{
//Map the Spark Core pin to the appropriate pin on the STM32
STM32_Pin_Info* PIN_MAP = HAL_Pin_Map();
uint16_t gpio_pin = PIN_MAP[pin].gpio_pin;
uint8_t GPIO_PinSource = PIN_MAP[pin].gpio_pin_source;
//Clear the pending interrupt flag for that interrupt pin
EXTI_ClearITPendingBit(gpio_pin);
//EXTI structure to init EXT
EXTI_InitTypeDef EXTI_InitStructure = {0};
//Select the appropriate EXTI line
EXTI_InitStructure.EXTI_Line = gpio_pin;
//disable that EXTI line
EXTI_InitStructure.EXTI_LineCmd = DISABLE;
//send values to registers
EXTI_Init(&EXTI_InitStructure);
//unregister the user's handler
exti_channels[GPIO_PinSource].fn = NULL;
exti_channels[GPIO_PinSource].data = NULL;
}
/**
* @brief 配置 PC13 为线中断口，并设置中断优先级
* @param 无
* @retval 无
*/
void EXTI_PC13_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* config the extiline(PC13) clock and AFIO clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO,ENABLE);
/* config the NVIC(PC13) */
NVIC_Configuration();
/* EXTI line gpio config(PC13) */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; // 上拉输入
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* EXTI line(PC13) mode config */
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource13);
EXTI_InitStructure.EXTI_Line = EXTI_Line13;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //下降沿中断
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
void CRF::SetIRQ(FunctionalState state)
{
if (m_IRQ_BB)
{
EXTI_InitTypeDef EXTI_InitStructure;
EXTI_InitStructure.EXTI_Line = m_IRQ;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = state;
EXTI_Init(&EXTI_InitStructure);
GPIO_EXTILineConfig(GPIO_PORT_NUM(m_IRQ_GPIO), GPIO_PIN_NUM_FROM_BB(m_IRQ_BB));
// Clear pending interrupt before enabling it.
EXTI_ClearITPendingBit(m_IRQ);
NVIC_ClearPendingIRQ(m_IRQn);
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = m_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = state;
NVIC_Init(&NVIC_InitStructure);
}
}
void EnExtInter() {
//EXTI_X must be equal to pin_Yx.. you can choose Y as ABCD but NOT the X number pin0(abcd)->Exti0->irq0
//GPIO_EXTILineConfig(GPIO_PortSourceGPIOA , GPIO_PinSource0);
EXTI_InitTypeDef EXTI_InitStructure;
/* Configure EXTI Line0 */
EXTI_InitStructure.EXTI_Line = EXTI_Line0;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI Line0 Interrupt to the lowest priority */
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void hcsr04_init(const sonarHardware_t *initialSonarHardware)
{
gpio_config_t gpio;
EXTI_InitTypeDef EXTIInit;
sonarHardware = initialSonarHardware;
// enable AFIO for EXTI support
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
// tp - trigger pin
gpio.pin = sonarHardware->trigger_pin;
gpio.mode = Mode_Out_PP;
gpio.speed = Speed_2MHz;
gpioInit(GPIOB, &gpio);
// ep - echo pin
gpio.pin = sonarHardware->echo_pin;
gpio.mode = Mode_IN_FLOATING;
gpioInit(GPIOB, &gpio);
// setup external interrupt on echo pin
gpioExtiLineConfig(GPIO_PortSourceGPIOB, sonarHardware->exti_pin_source);
EXTI_ClearITPendingBit(sonarHardware->exti_line);
EXTIInit.EXTI_Line = sonarHardware->exti_line;
EXTIInit.EXTI_Mode = EXTI_Mode_Interrupt;
EXTIInit.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
EXTIInit.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTIInit);
NVIC_EnableIRQ(sonarHardware->exti_irqn);
last_measurement = millis() - 60; // force 1st measurement in hcsr04_get_distance()
}
/**
* @name VSYNC_EXTI_Configuration
* @brief 配置PB7为外部中断引脚
* @param None
* @return None
* @notice
___ ___
VSYNC: __| |__________________________| |__
*/
static void VSYNC_EXTI_Configuration(void)
{
CKCU_PeripClockConfig_TypeDef CKCUClock = {{0}};
EXTI_InitTypeDef EXTI_InitStruct;
/* Enable PB & AFIO & EXTI */
CKCUClock.Bit.PB = 1;
CKCUClock.Bit.AFIO = 1;
CKCUClock.Bit.EXTI = 1;
CKCU_PeripClockConfig(CKCUClock, ENABLE);
/* Config EXTI channel 7 */
EXTI_InitStruct.EXTI_Channel = EXTI_CHANNEL_7;
EXTI_InitStruct.EXTI_Debounce = EXTI_DEBOUNCE_DISABLE;
EXTI_InitStruct.EXTI_DebounceCnt = 0;
EXTI_InitStruct.EXTI_IntType = EXTI_NEGATIVE_EDGE;
EXTI_Init(&EXTI_InitStruct);
/* Select Port as EXTI Trigger Source */
AFIO_EXTISourceConfig(AFIO_EXTI_CH_7, AFIO_ESS_PB);
/* Enable EXTI line 7 Interrupt */
EXTI_IntConfig(EXTI_CHANNEL_7, ENABLE);
}
int eth_nvic(struct driver * driver)
{
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Connect EXTI Line to INT Pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOH, EXTI_PinSource6);
/* Configure EXTI line */
EXTI_InitStructure.EXTI_Line = EXTI_Line6;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set the EXTI interrupt to the highest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 4;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
return 0;
}
/**
* @brief Configures EXTI Line15 (connected to PG15 pin) in interrupt mode
* @param None
* @retval None
*/
static void EXTILine13_Config(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable GPIOC clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure PC13 pin as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Connect EXTI Line15 to PC13 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource13);
/* Configure EXTI Line13 */
EXTI_InitStructure.EXTI_Line = EXTI_Line13;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI15_10 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void EXTI_PC13_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO,ENABLE);
NVIC_Configuration();
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;
GPIO_Init(GPIOC,&GPIO_InitStructure);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC,GPIO_PinSource13);
EXTI_InitStructure.EXTI_Line=EXTI_Line13;
EXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd =ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
/**
* @brief Configures EXTI Line0 (connected to PA0 pin) in interrupt mode
* @param None
* @retval None
*/
static void EXTILine_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable GPIOA clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure PE0 and PE1 pins as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* Connect EXTI Line to PE1 pins */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);
/* Configure EXTI Line1 */
EXTI_InitStructure.EXTI_Line = EXTI_Line0;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
/* Enable and set EXTI Line0 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void SysTick_Handler(void)
{
if(dht22_data->metering_stage == DHT22_done)
return;
if(dht22_data->metering_stage == DHT22_sendStrobe0) {
// 3.1
GPIO_initStruct.GPIO_Pin = DHT22_PIN;
GPIO_initStruct.GPIO_Mode = GPIO_Mode_IN;
GPIO_Init(DHT22_PORT, &GPIO_initStruct);
// 3.2
dht22_data->metering_stage = DHT22_waitRisingEdge;
SysTick_Config(dht22_data->timeout);
// 3.3
SYSCFG_EXTILineConfig(DHT22_EXTI_PORT, DHT22_PIN_NUM);
EXTI_initStruct.EXTI_Line = DHT22_EXTI_LINE;
EXTI_initStruct.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_initStruct.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
EXTI_initStruct.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_initStruct);
NVIC_initStruct.NVIC_IRQChannel = EXTI4_15_IRQn;
NVIC_initStruct.NVIC_IRQChannelPriority = 0x00;
NVIC_initStruct.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_initStruct);
}
else {
// 3.4
SysTick->CTRL &= ~(SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk);
NVIC_initStruct.NVIC_IRQChannel = EXTI4_15_IRQn;
NVIC_initStruct.NVIC_IRQChannelPriority = 0x00;
NVIC_initStruct.NVIC_IRQChannelCmd = DISABLE;
NVIC_Init(&NVIC_initStruct);
dht22_data->result = DHT22_ERR_TIMEOUT;
dht22_data->done_cb(dht22_data);
}
}
void xxxx(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource0);
EXTI_InitStructure.EXTI_Line = EXTI_Line0;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void Gpio_Int_Init_adns9800(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable GPIOA clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
/* Configure PA.00 pin as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
//GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* Enable AFIO clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
/* Connect EXTI0 Line to PA.00 pin */
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource0);
/* Configure EXTI0 line */
EXTI_InitStructure.EXTI_Line = EXTI_Line0;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI0 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/****************************************************************************
* 名 称：void NVIC_Configuration(void)
* 功 能：中断源配置
* 入口参数：无
* 出口参数：无
* 说 明：
* 调用方法：无
****************************************************************************/
void Camera_NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Configure one bit for preemption priority */
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn ; //外部中断4
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //抢占优先级 0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; //子优先级0
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能
NVIC_Init(&NVIC_InitStructure);
//用于配置AFIO外部中断配置寄存器AFIO_EXTICR1，用于选择EXTI4外部中断的输入源是PE4。
GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource4); //外部中断配置AFIO--ETXI4
EXTI_InitStructure.EXTI_Line = EXTI_Line4; //PE4 作为摄像头帧同步检测 检测一帧FIFO接收完成
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //中断模式
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //下降沿触发
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
void exti_charging_init()
{
NVIC_InitPara NVIC_InitStructure;
EXTI_InitPara EXTI_InitStructure;
RCC_APB2PeriphClock_Enable(RCC_APB2PERIPH_CFG, ENABLE);
/* Connect key EXTI Line to key GPIO Pin */
SYSCFG_EXTILine_Config(CHARGING_EXTI_GPIO, CHARGING_EXTI_PIN);
/* Configure increase key EXTI line */
EXTI_ClearIntBitState(CHARGING_EXTILINE);
EXTI_InitStructure.EXTI_LINE = CHARGING_EXTILINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LINEEnable = ENABLE;
EXTI_Init(&EXTI_InitStructure);
EXTI_ClearIntBitState(CHARGING_EXTILINE);
NVIC_InitStructure.NVIC_IRQ = CHARGING_EXTI_IRQ; //使能按键所在的外部中断通道
NVIC_InitStructure.NVIC_IRQPreemptPriority = 0x01; //抢占优先级1
NVIC_InitStructure.NVIC_IRQSubPriority = 0x00; //子优先级1
NVIC_InitStructure.NVIC_IRQEnable = ENABLE; //使能外部中断通道
NVIC_Init(&NVIC_InitStructure); //根据NVIC_InitStruct中指定的参数初始化外设NVIC寄存器
}
/*
* Function: EXTI_NVIC_Config_PushButton
* ----------------------------
* Configure EXTI and NVIC pin PA0 line0 for push button interrupts
* Returns: void
*
* @param: none
* returns: none
*/
void EXTI_NVIC_Config_PushButton(void)
{
GPIO_InitTypeDef GPIO_MEM_Init_struct;
EXTI_InitTypeDef EXTI_MEM_struct;
NVIC_InitTypeDef NVIC_MEM_struct;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
// Enable SYSCFG clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
GPIO_StructInit(&GPIO_MEM_Init_struct);
GPIO_MEM_Init_struct.GPIO_Mode = GPIO_Mode_IN;
GPIO_MEM_Init_struct.GPIO_Pin = GPIO_Pin_0;
GPIO_MEM_Init_struct.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_MEM_Init_struct);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);
EXTI_MEM_struct.EXTI_Line = EXTI_Line0;
EXTI_MEM_struct.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_MEM_struct.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_MEM_struct.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_MEM_struct);
/* Enable and set EXTI Line0 Interrupt */
NVIC_MEM_struct.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_MEM_struct.NVIC_IRQChannelPreemptionPriority = 0x01;
NVIC_MEM_struct.NVIC_IRQChannelSubPriority = 0x02; // set priority to 2, accelerometer data ready interrupts gets priority of 1
NVIC_MEM_struct.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_MEM_struct);
return;
}
/**
* @brief Configure on/off pin interrupt
* @param None
* @retval None
* This initialiser function assumes the clocks and gpio have been configured
*/
void EXTI_ONOFF_EN(void) {
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_DeInit();
/* Connect EXTI0 Line to PA.0 pin - WKUP*/
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource0);
/* Configure EXTI0 line */
EXTI_InitStructure.EXTI_Line = EXTI_Line0;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
if(USB_SOURCE==bootsource) //If we booted from USB, disconnect gives -ive pulse
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
else
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI0 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn; //The WKUP triggered interrupt
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01;//Lower pre-emption priority
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x07; //lowest group priority
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) {
EXTI_InitTypeDef EXTI_InitStructure;
uint32_t pin_index = channel_pin[obj->irq_index];
EXTI_InitStructure.EXTI_Line = (uint32_t)(1 << pin_index);
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
if (event == IRQ_RISE) {
if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
obj->event = EDGE_BOTH;
} else { // NONE or RISE
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
obj->event = EDGE_RISE;
}
}
if (event == IRQ_FALL) {
if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
obj->event = EDGE_BOTH;
} else { // NONE or FALL
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
obj->event = EDGE_FALL;
}
}
if (enable) {
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
} else {
EXTI_InitStructure.EXTI_LineCmd = DISABLE;
}
EXTI_Init(&EXTI_InitStructure);
}
void IrInit(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
GPIO_InitStructure.GPIO_Pin = IRSEND_PIN; //设置IO模式
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(IR_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = IRRED_PIN; //设置IO模式
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //必须要上拉
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(IR_PORT, &GPIO_InitStructure);
/* Connect EXTI0 Line to PA.00 pin */
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource4); //设定外设中断线。
EXTI_ClearITPendingBit(EXTI_Line4); //清除线路挂起位
/* Configure EXTI0 line */
EXTI_InitStructure.EXTI_Line = EXTI_Line4; //设置中断类型
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling; //上升沿触发
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI0 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn; //设置中断优先级
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/**
* @brief Configures the RTC Alarm.
* @param None
* @retval None
*/
static void RTC_AlarmConfig(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
RTC_AlarmTypeDef RTC_AlarmStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* EXTI configuration */
EXTI_ClearITPendingBit(EXTI_Line17);
EXTI_InitStructure.EXTI_Line = EXTI_Line17;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the RTC Alarm Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_Alarm_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Set the alarm A Masks */
RTC_AlarmStructure.RTC_AlarmMask = RTC_AlarmMask_All;
RTC_AlarmStructure.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
RTC_AlarmStructure.RTC_AlarmDateWeekDay = RTC_Weekday_Monday;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Hours = 0x0;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Minutes =0x0;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Seconds =0x0;
RTC_SetAlarm(RTC_Format_BCD, RTC_Alarm_A, &RTC_AlarmStructure);
/* Set alarm A sub seconds and enable SubSec Alarm : generate 8 interrupts per Second */
RTC_AlarmSubSecondConfig(RTC_Alarm_A, 0xFF, RTC_AlarmSubSecondMask_SS14_5);
/* Enable alarm A interrupt */
RTC_ITConfig(RTC_IT_ALRA, ENABLE);
}
/**
* @brief Configures Button GPIO and EXTI Line.
* @param Button: Specifies the Button to be configured.
* This parameter can be one of following parameters:
* @arg USR1_BUTTON: User Push Button 1
* @arg USR2_BUTTON: User Push Button 2
* @param Button_Mode: Specifies Button mode.
* This parameter can be one of following parameters:
* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
* generation capability
* @retval None
*/
void PBInit(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable the BUTTON Clock */
RCC_AHBPeriphClockCmd(BUTTON_CLK[Button], ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure Button pin as input */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = BUTTON_PIN[Button];
GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStructure);
if (Button_Mode == BUTTON_MODE_EXTI)
{
/* Connect Button EXTI Line to Button GPIO Pin */
SYSCFG_EXTILineConfig(BUTTON_PORT_SOURCE[Button], BUTTON_PIN_SOURCE[Button]);
/* Configure Button EXTI line */
EXTI_InitStructure.EXTI_Line = BUTTON_EXTI_LINE[Button];
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set Button EXTI Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = BUTTON_IRQn[Button];
NVIC_InitStructure.NVIC_IRQChannelPriority = 0x03;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
}
void initializeWireless() {
//Initialize the transmitter
CC2500_Init();
GPIO_InitTypeDef GPIO_init_st;
NVIC_InitTypeDef NVIC_init_st;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
//Configure GPIO pin 0 in input mode
GPIO_init_st.GPIO_Mode = GPIO_Mode_IN;
GPIO_init_st.GPIO_Pin = CC2500_SPI_INT_PIN;
GPIO_init_st.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_init_st.GPIO_Speed = GPIO_High_Speed;
GPIO_init_st.GPIO_OType = GPIO_OType_PP;
GPIO_Init(CC2500_SPI_INT_GPIO_PORT, &GPIO_init_st);
//Configure the EXTI Interrupt
SYSCFG_EXTILineConfig(CC2500_SPI_INT_EXTI_PORT_SOURCE, CC2500_SPI_INT_EXTI_PIN_SOURCE);
EXTI_InitStructure.EXTI_Line = CC2500_SPI_INT_EXTI_LINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
//Configure the NVIC for the interrupt
NVIC_init_st.NVIC_IRQChannel = CC2500_SPI_INT_EXTI_IRQn;
NVIC_init_st.NVIC_IRQChannelCmd = ENABLE;
NVIC_init_st.NVIC_IRQChannelPreemptionPriority = 0x01;
NVIC_init_st.NVIC_IRQChannelSubPriority = 0x01;
NVIC_Init(&NVIC_init_st);
NVIC_EnableIRQ(CC2500_SPI_INT_EXTI_IRQn);
}
/**
* @brief Enters MCU in STOP mode. The wake-up from STOP mode is performed by
* an external interrupt.
* @param None
* @retval None
*/
void LowPower_EnterSTOPMode_EXTI(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/* Clear the STOPModeStatus variable */
LowPower_Reset_STOPModeStatus();
/* Clear the LCD */
/* Set the LCD Back Color */
/* Set the LCD Text Color */
/* External Interrupt Disable */
//Demo_IntExtOnOffCmd(DISABLE);
/* Clear the RTC Alarm flag */
RTC_ClearFlag(RTC_FLAG_ALRAF);
/* Save the GPIO pins current configuration then put all GPIO pins in Analog
Input mode ...*/
LowPower_SaveGPIOConfig();
/* Enable the debug when the MCU enter in stop mode */
DBGMCU_Config(DBGMCU_STOP, ENABLE);
/* Configure Button pin as input */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = KEY_BUTTON_PIN;
GPIO_Init(KEY_BUTTON_GPIO_PORT, &GPIO_InitStructure);
/* Connect Button EXTI Line to Button GPIO Pin */
SYSCFG_EXTILineConfig(KEY_BUTTON_EXTI_PORT_SOURCE, KEY_BUTTON_EXTI_PIN_SOURCE);
/* Configure the EXTI Line 8 */
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Line = EXTI_Line8;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the EXTI9_5 Interrupt */
//NVIC_InitStructure.NVIC_IRQChannel = EXTI4_15_IRQn;
//NVIC_InitStructure.NVIC_IRQChannelPriority = 3;
//NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//NVIC_Init(&NVIC_InitStructure);
/* Request to enter STOP mode with regulator in low power */
PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);
/* Restore the GPIO Configurations*/
LowPower_RestoreGPIOConfig();
/* At this stage the system has resumed from STOP mode ************************/
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Line = EXTI_Line8;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = DISABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the EXTI9_5 Interrupt */
//NVIC_InitStructure.NVIC_IRQChannel = EXTI4_15_IRQn;
//NVIC_InitStructure.NVIC_IRQChannelPriority = 3;
//NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//NVIC_Init(&NVIC_InitStructure);
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select PLL
as system clock source (HSE and PLL are disabled in STOP mode) */
LowPower_SYSCLKConfig_STOP();
if (STOPModeStatus != RESET)
{
}
else
{
}
/* External Interrupt Enable */
//Demo_IntExtOnOffCmd(ENABLE);
}
/**
* @brief Configure the RTC peripheral by selecting the clock source.
* @param None
* @retval None
*/
void RTC_Config(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_BackupAccessCmd(ENABLE);
/* Reset BKP Domain */
RCC_BackupResetCmd(ENABLE);
RCC_BackupResetCmd(DISABLE);
#if defined (RTC_CLOCK_SOURCE_LSI) /* LSI used as RTC source clock*/
/* The RTC Clock may varies due to LSI frequency dispersion. */
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
#elif defined (RTC_CLOCK_SOURCE_LSE) /* LSE used as RTC source clock */
/* Enable the LSE OSC */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
#else
#error Please select the RTC Clock source inside the main.c file
#endif /* RTC_CLOCK_SOURCE_LSI */
/* Enable The external line21 interrupt */
EXTI_ClearITPendingBit(EXTI_Line21);
EXTI_InitStructure.EXTI_Line = EXTI_Line21;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable TAMPER IRQChannel */
NVIC_InitStructure.NVIC_IRQChannel = TAMP_STAMP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Disable the Tamper 1 detection */
RTC_TamperCmd(RTC_Tamper_1, DISABLE);
/* Clear Tamper 1 pin Event(TAMP1F) pending flag */
RTC_ClearFlag(RTC_FLAG_TAMP1F);
/* Configure the Tamper 1 Trigger */
RTC_TamperTriggerConfig(RTC_Tamper_1, RTC_TamperTrigger_FallingEdge);
/* Enable the Tamper interrupt */
RTC_ITConfig(RTC_IT_TAMP, ENABLE);
/* Clear Tamper 1 pin interrupt pending bit */
RTC_ClearITPendingBit(RTC_IT_TAMP1);
/* Enable the Tamper 1 detection */
RTC_TamperCmd(RTC_Tamper_1, ENABLE);
}
/**
* @brief This function configures the system to enter Stop mode with RTC
* clocked by LSE or LSI for current consumption measurement purpose.
* STOP Mode with RTC clocked by LSE/LSI
* =====================================
* - RTC Clocked by LSE or LSI
* - Regulator in LP mode
* - HSI, HSE OFF and LSI OFF if not used as RTC Clock source
* - No IWDG
* - FLASH in deep power down mode
* - Automatic Wakeup using RTC clocked by LSE/LSI (~20s)
* @param None
* @retval None
*/
void StopMode_Measure(void)
{
__IO uint32_t index = 0;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Allow access to RTC */
PWR_BackupAccessCmd(ENABLE);
#if defined (RTC_CLOCK_SOURCE_LSI) /* LSI used as RTC source clock*/
/* The RTC Clock may varies due to LSI frequency dispersion. */
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
#elif defined (RTC_CLOCK_SOURCE_LSE) /* LSE used as RTC source clock */
/* Enable the LSE OSC */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
#else
#error Please select the RTC Clock source inside the main.c file
#endif /* RTC_CLOCK_SOURCE_LSI */
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Configure all GPIO as analog to reduce current consumption on non used IOs */
/* Enable GPIOs clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOC |
RCC_AHB1Periph_GPIOD | RCC_AHB1Periph_GPIOE | RCC_AHB1Periph_GPIOF |
RCC_AHB1Periph_GPIOG | RCC_AHB1Periph_GPIOH | RCC_AHB1Periph_GPIOI, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_Init(GPIOF, &GPIO_InitStructure);
GPIO_Init(GPIOG, &GPIO_InitStructure);
GPIO_Init(GPIOH, &GPIO_InitStructure);
GPIO_Init(GPIOI, &GPIO_InitStructure);
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Disable GPIOs clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOC |
RCC_AHB1Periph_GPIOD | RCC_AHB1Periph_GPIOE | RCC_AHB1Periph_GPIOF |
RCC_AHB1Periph_GPIOG | RCC_AHB1Periph_GPIOH | RCC_AHB1Periph_GPIOI, DISABLE);
/* EXTI configuration *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line22);
EXTI_InitStructure.EXTI_Line = EXTI_Line22;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the RTC Wakeup Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* RTC Wakeup Interrupt Generation: Clock Source: RTCCLK_Div16, Wakeup Time Base: ~20s
RTC Clock Source LSE 32.768KHz or LSI ~32KHz
Wakeup Time Base = (16 / (LSE or LSI)) * WakeUpCounter
*/
RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div16);
RTC_SetWakeUpCounter(0xA000-1);
/* Enable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
/* Enable Wakeup Counter */
RTC_WakeUpCmd(ENABLE);
/* FLASH Deep Power Down Mode enabled */
PWR_FlashPowerDownCmd(ENABLE);
/* Enter Stop Mode */
PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);
/* Initialize LED1 on EVAL board */
STM_EVAL_LEDInit(LED1);
/* Infinite loop */
while (1)
{
/* Toggle The LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(index = 0; index < 0x5FF; index++);
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f30x.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f30x.c file
*/
/* LEDs Init */
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
STM_EVAL_LEDInit(LED5);
STM_EVAL_LEDInit(LED6);
STM_EVAL_LEDInit(LED7);
STM_EVAL_LEDInit(LED8);
STM_EVAL_LEDInit(LED9);
STM_EVAL_LEDInit(LED10);
/* Enable PWR APB1 Clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to Backup */
PWR_BackupAccessCmd(ENABLE);
/* Reset RTC Domain */
RCC_BackupResetCmd(ENABLE);
RCC_BackupResetCmd(DISABLE);
/* Allow access to RTC */
PWR_BackupAccessCmd(ENABLE);
/* The RTC Clock may varies due to LSI frequency dispersion */
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* RTC prescaler configuration */
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_InitStructure.RTC_AsynchPrediv = 88;
RTC_InitStructure.RTC_SynchPrediv = 470;
RTC_Init(&RTC_InitStructure);
/* Set the alarm 01h:00min:04s */
RTC_AlarmStructure.RTC_AlarmTime.RTC_H12 = RTC_H12_AM;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Hours = 0x01;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Minutes = 0x00;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Seconds = 0x04;
RTC_AlarmStructure.RTC_AlarmDateWeekDay = 0x31;
RTC_AlarmStructure.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
/* Alarm mask hour, min and second:default Alarm generation each 1s */
RTC_AlarmStructure.RTC_AlarmMask = RTC_AlarmMask_All;
RTC_SetAlarm(RTC_Format_BCD, RTC_Alarm_A, &RTC_AlarmStructure);
/* Enable RTC Alarm A Interrupt */
RTC_ITConfig(RTC_IT_ALRA, ENABLE);
/* Enable the alarm */
RTC_AlarmCmd(RTC_Alarm_A, ENABLE);
/* Set the date: Wednesday August 15th 2012 */
RTC_DateStructure.RTC_Year = 12;
RTC_DateStructure.RTC_Month = RTC_Month_September;
RTC_DateStructure.RTC_Date = 11;
RTC_DateStructure.RTC_WeekDay = RTC_Weekday_Tuesday;
RTC_SetDate(RTC_Format_BCD, &RTC_DateStructure);
/* Set the time to 01h 00mn 00s AM */
RTC_TimeStructure.RTC_H12 = RTC_H12_AM;
RTC_TimeStructure.RTC_Hours = 0x01;
RTC_TimeStructure.RTC_Minutes = 0x00;
RTC_TimeStructure.RTC_Seconds = 0x00;
RTC_SetTime(RTC_Format_BCD, &RTC_TimeStructure);
RTC_ClearFlag(RTC_FLAG_ALRAF);
/* RTC Alarm A Interrupt Configuration */
/* EXTI configuration */
EXTI_ClearITPendingBit(EXTI_Line17);
EXTI_InitStructure.EXTI_Line = EXTI_Line17;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the RTC Alarm Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_Alarm_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Infinite loop */
while (1)
{
/* Get the RTC current Time */
RTC_GetTime(RTC_Format_BCD, &RTC_TimeStructure);
/* Get the RTC current Date */
RTC_GetDate(RTC_Format_BCD, &RTC_DateStructure);
/* Display time Format : hh:mm:ss */
// sprintf((char*)showtime,"%0.2d:%0.2d:%0.2d",RTC_TimeStructure.RTC_Hours, RTC_TimeStructure.RTC_Minutes, RTC_TimeStructure.RTC_Seconds);
/* Display date Format : mm-dd-yy */
//sprintf((char*)showdate,"%0.2d-%0.2d-%0.2d",RTC_DateStructure.RTC_Month, RTC_DateStructure.RTC_Date, 2000 + RTC_DateStructure.RTC_Year);
}
}
void button_Configuration(void)//PB5 flow input
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Enable GPIOA GPIOB GPIOC clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOC, ENABLE);
/* Configure PB5 pin as input floating */
/* Push button 0 */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Connect EXTI Line5 to PB5 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource5);
/* Configure EXTI Line5 */
EXTI_InitStructure.EXTI_Line = EXTI_Line5;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI Line5 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Push button 1 */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Connect EXTI Line14 to PB14 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource14);
EXTI_InitStructure.EXTI_Line = EXTI_Line14;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Push button 2 */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Connect EXTI Line15 to PB15 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource15);
EXTI_InitStructure.EXTI_Line = EXTI_Line15;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Push button 3 */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Connect EXTI Line8 to PC8 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource6);
EXTI_InitStructure.EXTI_Line = EXTI_Line6;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/**
* @brief To initialize the I/O ports
* @caller main
* @param None
* @retval None
*/
void Init_GPIOs (void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* USER button and WakeUP button init: GPIO set in input interrupt active mode */
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Configure User Button pin as input */
GPIO_InitStructure.GPIO_Pin = USER_GPIO_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
GPIO_Init(BUTTON_GPIO_PORT, &GPIO_InitStructure);
/* Connect Button EXTI Line to Button GPIO Pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA,EXTI_PinSource0);
/* Configure User Button and IDD_WakeUP EXTI line */
EXTI_InitStructure.EXTI_Line = EXTI_Line0 ; // PA0 for User button AND IDD_WakeUP
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set User Button and IDD_WakeUP EXTI Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn ;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Configure the GPIO_LED pins LD3 & LD4*/
GPIO_InitStructure.GPIO_Pin = LD_GREEN|LD_BLUE;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(LD_PORT, &GPIO_InitStructure);
GPIO_LOW(LD_PORT,LD_GREEN);
GPIO_LOW(LD_PORT,LD_BLUE);
/* Counter enable: GPIO set in output for enable the counter */
GPIO_InitStructure.GPIO_Pin = CTN_CNTEN_GPIO_PIN;
GPIO_Init( CTN_GPIO_PORT, &GPIO_InitStructure);
/* To prepare to start counter */
GPIO_HIGH(CTN_GPIO_PORT,CTN_CNTEN_GPIO_PIN);
/* Configure Output for LCD */
/* Port A */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_8 | GPIO_Pin_9 |GPIO_Pin_10 |GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init( GPIOA, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource1,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOA, GPIO_PinSource2,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOA, GPIO_PinSource3,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOA, GPIO_PinSource8,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOA, GPIO_PinSource9,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOA, GPIO_PinSource10,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOA, GPIO_PinSource15,GPIO_AF_LCD) ;
/* Configure Output for LCD */
/* Port B */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_8 | GPIO_Pin_9 \
| GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init( GPIOB, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource3,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource4,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource5,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource8,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource9,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource10,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource11,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource12,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource13,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource14,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOB, GPIO_PinSource15,GPIO_AF_LCD) ;
/* Configure Output for LCD */
/* Port C*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_6 \
| GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 |GPIO_Pin_11 ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init( GPIOC, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource0,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOC, GPIO_PinSource1,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOC, GPIO_PinSource2,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOC, GPIO_PinSource3,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOC, GPIO_PinSource6,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOC, GPIO_PinSource7,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOC, GPIO_PinSource8,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOC, GPIO_PinSource9,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOC, GPIO_PinSource10,GPIO_AF_LCD) ;
GPIO_PinAFConfig(GPIOC, GPIO_PinSource11,GPIO_AF_LCD) ;
/* ADC input */
GPIO_InitStructure.GPIO_Pin = IDD_MEASURE ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_Init( IDD_MEASURE_PORT, &GPIO_InitStructure);
}
/**
* @brief Configures the RTC peripheral by selecting the clock source.
* @param None
* @retval None
*/
static void RTC_Config(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_BackupAccessCmd(ENABLE);
/* LSI used as RTC source clock */
/* The RTC Clock may varies due to LSI frequency dispersion. */
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Calendar Configuration with LSI supposed at 32KHz */
RTC_InitStructure.RTC_AsynchPrediv = 0x7F;
RTC_InitStructure.RTC_SynchPrediv = 0xFF; /* (32KHz / 128) - 1 = 0xFF*/
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_Init(&RTC_InitStructure);
/* EXTI configuration *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line22);
EXTI_InitStructure.EXTI_Line = EXTI_Line22;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the RTC Wakeup Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Configure the RTC WakeUp Clock source: CK_SPRE (1Hz) */
RTC_WakeUpClockConfig(RTC_WakeUpClock_CK_SPRE_16bits);
RTC_SetWakeUpCounter(0x0);
/* Enable the RTC Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
/* Enable Wakeup Counter */
RTC_WakeUpCmd(ENABLE);
}
void RTC_Wakeup_init(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
RTC_InitTypeDef RTC_InitStruct;
RTC_InitStruct.RTC_HourFormat = RTC_HourFormat_24;
/* RTC ticks every second */
RTC_InitStruct.RTC_AsynchPrediv = 0x7F;
RTC_InitStruct.RTC_SynchPrediv = 0xFF;
RTC_Init( &RTC_InitStruct );
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* RTC clock source configuration ------------------------------------------*/
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
#ifdef USE_RTC_BKP
PWR_BackupRegulatorCmd(ENABLE);
#endif
/* Enable the LSE OSC */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* RTC configuration -------------------------------------------------------*/
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
RTC_WakeUpCmd( DISABLE );
EXTI_ClearITPendingBit( RTC_INTERRUPT_EXTI_LINE );
PWR_ClearFlag(PWR_FLAG_WU);
RTC_ClearFlag(RTC_FLAG_WUTF);
RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div2);
EXTI_ClearITPendingBit( RTC_INTERRUPT_EXTI_LINE );
EXTI_InitStructure.EXTI_Line = RTC_INTERRUPT_EXTI_LINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
RTC_ITConfig(RTC_IT_WUT, DISABLE);
/* Prepare Stop-Mode but leave disabled */
PWR_ClearFlag(PWR_FLAG_WU);
PWR->CR |= PWR_CR_LPDS;
PWR->CR &= (unsigned long)(~(PWR_CR_PDDS));
SCB->SCR |= ((unsigned long)SCB_SCR_SLEEPDEEP_Msk);
#ifdef USE_RTC_BKP
if (RTC_ReadBackupRegister(RTC_BKP_DR0) != USE_RTC_BKP) {
/* set it to 12:20:30 08/04/2013 monday */
MicoRtcSetTime(&mico_default_time);
RTC_WriteBackupRegister(RTC_BKP_DR0, USE_RTC_BKP);
}
#else
//#ifdef RTC_ENABLED
/* application must have wiced_application_default_time structure declared somewhere, otherwise it wont compile */
/* write default application time inside rtc */
MicoRtcSetTime(&mico_default_time);
//#endif /* RTC_ENABLED */
#endif
}
