void gpio_clear_irq_callback(enum gpio_port port, enum gpio_pin pin)
{
gpio_irq_disable(port, pin);
_g_gpio_irq_tbl[port].irq_cb[pin] = RT_NULL;
_g_gpio_irq_tbl[port].irq_arg[pin] = RT_NULL;
}
static void _netdev2_cc110x_rx_callback(void *arg)
{
netdev2_t *netdev2 = (netdev2_t*) arg;
cc110x_t *cc110x = &((netdev2_cc110x_t*) arg)->cc110x;
gpio_irq_disable(cc110x->params.gdo2);
netdev2->event_callback(netdev2, NETDEV2_EVENT_RX_COMPLETE, netdev2->isr_arg);
}
static void _netdev_cc110x_rx_callback(void *arg)
{
netdev_t *netdev = (netdev_t*) arg;
cc110x_t *cc110x = &((netdev_cc110x_t*) arg)->cc110x;
gpio_irq_disable(cc110x->params.gdo2);
netdev->event_callback(netdev, NETDEV_EVENT_RX_COMPLETE);
}
static void rk28_ts_suspend(android_early_suspend_t *h)
{
#if 0
printk("XPT2046 driver suspend!!\n");
gpio_irq_disable(PT2046_PENIRQ);
#endif
}
static void
gpio_irq_shutdown(unsigned int irq)
{
gpio_irq_disable(irq);
irq -= gpio_irq_base;
*VR4181_GPINTEN &= ~((u16)(1 << irq ));
}
void gpio_ir_recv_handler(uint32_t id, uint32_t event) {
uint32_t current_timestamp;
IRSendRev *pIR;
pIR = (IRSendRev *)id;
gpio_irq_disable((gpio_irq_t *)(pIR->pGpioIrqRecv));
current_timestamp = micros();
switch(pIR->rcvstate) {
case STATE_IDLE:
if ((pIR->recv_wait_int) == IRQ_LOW) {
pIR->rcvstate = STATE_MARK;
pIR->prev_timestamp = current_timestamp;
}
break;
case STATE_MARK:
if ((pIR->recv_wait_int) == IRQ_HIGH) {
// mark transition to space
pIR->recv_buf[(pIR->recv_len)++] = current_timestamp - (pIR->prev_timestamp);
pIR->prev_timestamp = current_timestamp;
pIR->rcvstate = STATE_SPACE;
gtimer_reload((gtimer_t *)(pIR->pTimerRecv), GAP);
gtimer_start((gtimer_t *)(pIR->pTimerRecv));
}
break;
case STATE_SPACE:
if ((pIR->recv_wait_int) == IRQ_LOW) {
// space transition to mark
gtimer_stop((gtimer_t *)(pIR->pTimerRecv));
pIR->recv_buf[(pIR->recv_len)++] = current_timestamp - (pIR->prev_timestamp);
pIR->prev_timestamp = current_timestamp;
pIR->rcvstate = STATE_MARK;
}
break;
case STATE_STOP:
break;
}
if ((pIR->recv_wait_int) == IRQ_LOW )
{
// Change to listen to high level event
(pIR->recv_wait_int) = IRQ_HIGH;
gpio_irq_set((gpio_irq_t *)(pIR->pGpioIrqRecv), (gpio_irq_event)IRQ_HIGH, 1);
gpio_irq_enable((gpio_irq_t *)(pIR->pGpioIrqRecv));
}
else if ((pIR->recv_wait_int) == IRQ_HIGH)
{
// Change to listen to low level event
(pIR->recv_wait_int) = IRQ_LOW;
gpio_irq_set((gpio_irq_t *)(pIR->pGpioIrqRecv), (gpio_irq_event)IRQ_LOW, 1);
gpio_irq_enable((gpio_irq_t *)(pIR->pGpioIrqRecv));
}
}
static void encx24j600_isr(void *arg)
{
encx24j600_t *dev = (encx24j600_t *) arg;
/* disable interrupt line */
gpio_irq_disable(dev->int_pin);
/* call netdev2 hook */
dev->netdev.event_callback((netdev2_t*) dev, NETDEV2_EVENT_ISR, dev->isr_arg);
}
void
sol_interrupt_scheduler_gpio_stop(gpio_t dev, void *handler)
{
unsigned int state;
state = irq_disable();
gpio_irq_disable(dev);
interrupt_scheduler_handler_free(handler);
irq_restore(state);
}
void Rx_irq_handler(void *arg)
{
init_clocks();
GPIO_CLK_INIT(USARTx_RX_GPIO_CLK, ENABLE);
USARTx_CLK_INIT(USARTx_CLK, ENABLE);
RCC_AHB1PeriphClockCmd(DMA_CLK_INIT,ENABLE);
gpio_irq_disable(USARTx_RX_GPIO_PORT, USARTx_IRQ_PIN);
mico_mcu_powersave_config(mxDisable);
mico_rtos_set_semaphore(&wakeup);
}
static irqreturn_t xpt2046_ts_interrupt(int irq,void *handle)
{
struct XPT2046_TS_EVENT *ts_dev = handle;
unsigned long flags;
rk28printk("************>%s.....%s.....%d\n",__FILE__,__FUNCTION__,__LINE__);
spin_lock_irqsave(&ts_dev->lock,flags);
gpio_irq_disable(PT2046_PENIRQ);
hrtimer_start(&ts_dev->timer,ktime_set(0,TS_POLL_DELAY),HRTIMER_MODE_REL);
spin_unlock_irqrestore(&ts_dev->lock, flags);
return IRQ_HANDLED;
}
static irqreturn_t ak4183_isr(int irq,void *dev_id)
{
struct AK4183_TS_EVENT *ts_dev = (struct AK4183_TS_EVENT *)dev_id;
D("enter!\n");
gpio_irq_disable(GPIOPortE_Pin3);
schedule_delayed_work(&ts_dev->work, TP_POLL_DELAY);
return IRQ_HANDLED;
}
static void rk28_ps2_sent_start(void)
{
g_host_sent_flag = 1;
gpio_irq_disable(MOUSE_PS2_CLK_PIN);
gpio_direction_output(MOUSE_PS2_CLK_PIN,GPIO_LOW);
GPIOSetPinLevel(MOUSE_PS2_CLK_PIN,GPIO_LOW);
udelay(100);
gpio_direction_output(MOUSE_PS2_DATA_PIN,GPIO_LOW);
GPIOSetPinLevel(MOUSE_PS2_DATA_PIN,GPIO_LOW);
GPIOSetPinLevel(MOUSE_PS2_CLK_PIN,GPIO_HIGH);
gpio_direction_input(MOUSE_PS2_CLK_PIN);
gpio_irq_enable(MOUSE_PS2_CLK_PIN);
}
void RX_PIN_WAKEUP_handler(void *arg)
{
(void)arg;
mico_uart_t uart = *(mico_uart_t *)arg;
RCC_AHB1PeriphClockCmd(uart_mapping[ uart ].pin_rx->peripheral_clock, ENABLE);
uart_mapping[ uart ].usart_peripheral_clock_func ( uart_mapping[uart].usart_peripheral_clock, ENABLE );
uart_mapping[uart].rx_dma_peripheral_clock_func ( uart_mapping[uart].rx_dma_peripheral_clock, ENABLE );
gpio_irq_disable(uart_mapping[uart].pin_rx->bank, uart_mapping[uart].pin_rx->number);
MicoMcuPowerSaveConfig(false);
mico_rtos_set_semaphore(&uart_interfaces[uart].sem_wakeup);
}
rt_err_t pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t enabled)
{
if ((pin > PIN_NUM(pin_index)) || (pin_index[pin].magic != PIN_MAGIC))
{
dbg_log(DBG_ERROR, "pin:%d value wrongful\n", pin);
return RT_ERROR;
}
if (enabled)
gpio_irq_enable(pin_index[pin].pin_port, pin_index[pin].pin);
else
gpio_irq_disable(pin_index[pin].pin_port, pin_index[pin].pin);
return RT_EOK;
}
static int _init(netdev2_t *dev)
{
DEBUG("%s:%u\n", __func__, __LINE__);
cc110x_t *cc110x = &((netdev2_cc110x_t*) dev)->cc110x;
gpio_init_int(cc110x->params.gdo2, GPIO_NOPULL, GPIO_BOTH,
&_netdev2_cc110x_isr, (void*)dev);
gpio_set(cc110x->params.gdo2);
gpio_irq_disable(cc110x->params.gdo2);
/* Switch to RX mode */
cc110x_rd_set_mode(cc110x, RADIO_MODE_ON);
return 0;
}
/**
* gpio irq release
*
* No longer interrupt when something occurs on the pin. NOTE: this function
* does not change the GPIO push/pull setting nor does it change the
* SYSCFG EXTICR registers. It also does not disable the NVIC interrupt enable
* setting for the irq.
*
* @param pin
*/
void
gpio_irq_release(int pin)
{
int index;
uint32_t pin_mask;
/* Disable the interrupt */
gpio_irq_disable(pin);
/* Clear any pending interrupts */
pin_mask = GPIO_MASK(pin);
EXTI_ClearFlag(pin_mask);
/* Clear out the irq handler */
index = GPIO_INDEX(pin);
gpio_irq_handlers[index].arg = NULL;
gpio_irq_handlers[index].isr = NULL;
}
OSStatus host_platform_bus_deinit( void )
{
GPIO_InitTypeDef gpio_init_structure;
MCU_CLOCKS_NEEDED();
/* Disable SPI and SPI DMA */
SPI_Cmd( SPIX, DISABLE );
SPI_I2S_DeInit( SPIX );
SPI_I2S_DMACmd( SPIX, SPI_I2S_DMAReq_Tx | SPI_I2S_DMAReq_Rx, DISABLE );
DMA_DeInit( SPIX_DMA_TX_STREAM );
DMA_DeInit( SPIX_DMA_RX_STREAM );
/* Clear GPIO_B[1:0] */
MicoGpioFinalize( (mico_gpio_t)WL_GPIO0 );
MicoGpioFinalize( (mico_gpio_t)WL_GPIO1 );
/* Clear SPI slave select GPIOs */
gpio_init_structure.GPIO_Mode = GPIO_Mode_AIN;
gpio_init_structure.GPIO_OType = GPIO_OType_PP;
gpio_init_structure.GPIO_Speed = GPIO_Speed_100MHz;
gpio_init_structure.GPIO_Pin = ( 1 << SPI_BUS_CS_PIN );
GPIO_Init( SPI_BUS_CS_BANK, &gpio_init_structure );
/* Clear the SPI lines */
gpio_init_structure.GPIO_Mode = GPIO_Mode_AIN;
gpio_init_structure.GPIO_OType = GPIO_OType_PP;
gpio_init_structure.GPIO_Speed = GPIO_Speed_100MHz;
gpio_init_structure.GPIO_Pin = ( 1 << SPI_BUS_CLOCK_PIN ) | ( 1 << SPI_BUS_MISO_PIN ) | ( 1 << SPI_BUS_MOSI_PIN );
GPIO_Init( SPI_BUS_CLOCK_BANK, &gpio_init_structure );
gpio_irq_disable( SPI_IRQ_BANK, SPI_IRQ_PIN );
/* Disable SPI_SLAVE Periph clock and DMA1 clock */
RCC_APB1PeriphClockCmd( SPIX_CLK, DISABLE );
RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_DMA1, DISABLE );
RCC_APB2PeriphClockCmd( RCC_APB2Periph_SYSCFG, DISABLE );
MCU_CLOCKS_NOT_NEEDED();
return kNoErr;
}
static void
gpio_irq_ack(unsigned int irq)
{
u16 irqtype;
u16 irqshift;
gpio_irq_disable(irq);
/* we clear interrupt if it is edge triggered */
irq -= gpio_irq_base;
if (irq < 8) {
irqtype = *VR4181_GPINTTYPL;
irqshift = 2 << (irq*2);
} else {
irqtype = *VR4181_GPINTTYPH;
irqshift = 2 << ((irq-8)*2);
}
if ( ! (irqtype & irqshift) ) {
*VR4181_GPINTSTAT = (u16) (1 << irq);
}
}
int _cc110x_set_state(netdev_t *dev, netdev_state_t state)
{
if (dev != &cc110x_dev) {
return -ENODEV;
}
switch (state) {
case NETDEV_STATE_POWER_OFF:
gpio_irq_disable(CC110X_GDO2);
cc110x_switch_to_pwd();
break;
case NETDEV_STATE_RX_MODE:
gpio_irq_enable(CC110X_GDO2);
cc110x_setup_rx_mode();
break;
default:
return -ENOTSUP;
}
return 0;
}
void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
{
gpio_cfg_t* cfg = &m_gpio_cfg[obj->ch];
bool irq_enabled_before =
(m_gpio_irq_enabled & ((gpio_mask_t)1 << obj->ch)) &&
(cfg->irq_rise || cfg->irq_fall);
if (event == IRQ_RISE) {
cfg->irq_rise = enable ? true : false;
}
else if (event == IRQ_FALL) {
cfg->irq_fall = enable ? true : false;
}
bool irq_enabled_after = cfg->irq_rise || cfg->irq_fall;
if (irq_enabled_before != irq_enabled_after) {
if (irq_enabled_after) {
gpio_irq_enable(obj);
} else {
gpio_irq_disable(obj);
}
}
}
/**
* gpio irq init
*
* Initialize an external interrupt on a gpio pin
*
* @param pin Pin number to enable gpio.
* @param handler Interrupt handler
* @param arg Argument to pass to interrupt handler
* @param trig Trigger mode of interrupt
* @param pull Push/pull mode of input.
*
* @return int
*/
int
gpio_irq_init(int pin, gpio_irq_handler_t handler, void *arg,
gpio_irq_trig_t trig, gpio_pull_t pull)
{
int rc;
int irqn;
int index;
uint32_t pin_mask;
uint32_t mode;
GPIO_InitTypeDef init_cfg;
/* Configure the gpio for an external interrupt */
rc = 0;
switch (trig) {
case GPIO_TRIG_NONE:
rc = -1;
break;
case GPIO_TRIG_RISING:
mode = GPIO_MODE_IT_RISING;
break;
case GPIO_TRIG_FALLING:
mode = GPIO_MODE_IT_FALLING;
break;
case GPIO_TRIG_BOTH:
mode = GPIO_MODE_IT_RISING_FALLING;
break;
case GPIO_TRIG_LOW:
rc = -1;
break;
case GPIO_TRIG_HIGH:
rc = -1;
break;
default:
rc = -1;
break;
}
/* Check to make sure no error has occurred */
if (!rc) {
/* Disable interrupt and clear any pending */
gpio_irq_disable(pin);
pin_mask = GPIO_MASK(pin);
__HAL_GPIO_EXTI_CLEAR_FLAG(pin_mask);
/* Set the gpio irq handler */
index = GPIO_INDEX(pin);
gpio_irq_handlers[index].isr = handler;
gpio_irq_handlers[index].arg = arg;
/* Configure the GPIO */
init_cfg.Mode = mode;
init_cfg.Pull = pull;
rc = hal_gpio_init(pin, &init_cfg);
if (!rc) {
/* Enable interrupt vector in NVIC */
irqn = hal_gpio_pin_to_irq(pin);
hal_gpio_set_nvic(irqn);
}
}
return rc;
}
void at86rf231_disable_interrupts(void)
{
gpio_irq_disable(SPI_0_IRQ0_GPIO);
}
void InterruptIn::disable_irq() {
gpio_irq_disable(&gpio_irq);
}
void InterruptIn::disable_irq() {
core_util_critical_section_enter();
gpio_irq_disable(&gpio_irq);
core_util_critical_section_exit();
}
OSStatus mico_gpio_disable_IRQ( mico_gpio_t gpio )
{
if(gpio == (mico_gpio_t)MICO_GPIO_UNUSED ) return kUnsupportedErr;
return gpio_irq_disable( gpio_mapping[gpio].bank, gpio_mapping[gpio].number );
}
/**
* gpio irq init
*
* Initialize an external interrupt on a gpio pin
*
* @param pin Pin number to enable gpio.
* @param handler Interrupt handler
* @param arg Argument to pass to interrupt handler
* @param trig Trigger mode of interrupt
* @param pull Push/pull mode of input.
*
* @return int
*/
int
gpio_irq_init(int pin, gpio_irq_handler_t handler, void *arg,
gpio_irq_trig_t trig, enum gpio_pull pull)
{
int rc;
int irqn;
int index;
uint32_t pin_mask;
EXTI_InitTypeDef exti_cfg;
/* Configure the gpio for an external interrupt */
rc = 0;
pin_mask = GPIO_MASK(pin);
index = GPIO_INDEX(pin);
exti_cfg.EXTI_Line = index;
exti_cfg.EXTI_Mode = EXTI_Mode_Interrupt;
switch (trig) {
case GPIO_TRIG_NONE:
rc = -1;
break;
case GPIO_TRIG_RISING:
exti_cfg.EXTI_Trigger = EXTI_Trigger_Rising;
break;
case GPIO_TRIG_FALLING:
exti_cfg.EXTI_Trigger = EXTI_Trigger_Falling;
break;
case GPIO_TRIG_BOTH:
exti_cfg.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
break;
case GPIO_TRIG_LOW:
rc = -1;
break;
case GPIO_TRIG_HIGH:
rc = -1;
break;
default:
rc = -1;
break;
}
exti_cfg.EXTI_LineCmd = ENABLE;
/* Check to make sure no error has occurred */
if (!rc) {
/* Disable interrupt and clear any pending */
gpio_irq_disable(pin);
EXTI_ClearFlag(pin_mask);
gpio_init_in(pin, pull);
/* Configure SYSCFG */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure EXTI */
SYSCFG_EXTILineConfig(GPIO_PORT(pin), index);
EXTI_Init(&exti_cfg);
/* Set the gpio irq handler */
gpio_irq_handlers[index].isr = handler;
gpio_irq_handlers[index].arg = arg;
/* Configure the GPIO */
if (!rc) {
/* Enable interrupt vector in NVIC */
irqn = hal_gpio_pin_to_irq(pin);
hal_gpio_set_nvic(irqn);
}
}
return rc;
}
static void ak4183_suspend(android_early_suspend_t *h)
{
D("enter!\n");
gpio_irq_disable(GPIOPortE_Pin3);
}