void SwitchDebounceCB(void)
{
bool err = true;
// Re-enable switch 1 interrupts
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ1,
PDL_INTC_ENABLE|PDL_INTC_CLEAR_IR_FLAG
);
// Re-enable switch 2 interrupts
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ3,
PDL_INTC_ENABLE|PDL_INTC_CLEAR_IR_FLAG
);
// Re-enable switch 3 interrupts
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ4,
PDL_INTC_ENABLE|PDL_INTC_CLEAR_IR_FLAG
);
while(!err)
;
}
void SW3_InterruptCB(void)
{
bool err = true;
uint8_t status = 0x00;
// Fetch input edge status
err &= R_INTC_GetExtInterruptStatus
(
PDL_INTC_IRQ4,
&status
);
// Check if interrupt was triggered from falling edge
if((status & 0x0C) == 0x04)
{
// Disable switch interrupts and change to rising edge detection
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ4,
PDL_INTC_DISABLE|PDL_INTC_RISING
);
// Check if switch press callback function is not NULL
if(SwitchPressCallbackFunc)
{
// Execute user callback function
SwitchPressCallbackFunc(SWITCH_3);
}
}
else
{
// Switch to falling edge detection
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ4,
PDL_INTC_FALLING
);
if(SwitchReleaseCallbackFunc)
{
SwitchReleaseCallbackFunc(SWITCH_3);
}
}
// Create 10ms one-shot timer interrupt to de-bounce the switch input
err &= R_CMT_CreateOneShot
(
1,
PDL_NO_DATA,
10E-3,
SwitchDebounceCB,
8
);
while(!err)
;
}
void Pen_flag()
{
R_INTC_ControlExtInterrupt( PDL_INTC_IRQ5,PDL_INTC_DISABLE | PDL_INTC_CLEAR_IR_FLAG);
R_INTC_CreateExtInterrupt(PDL_INTC_IRQ5,PDL_INTC_LOW ,Pen_flag,1);
MainDispaly();
}
/******************************************************************************
* Outline : ControlSwitchInterrupts
* Description : Enables or disables the switch IRQ interrupts, based on the
* input variable, control.
* Argument : bool - true : Enables switch interrupts.
* false : Disables switch interrupts.
* Return value : none
******************************************************************************/
void ControlSwitchInterrupts(bool control)
{
/* Declare error flag */
bool err = true;
/* Check if control input is true */
if (control)
{
/* Enable SW1 interrupts */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ8,
PDL_INTC_ENABLE | PDL_INTC_FALLING
);
/* Enable SW2 interrupts */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ9,
PDL_INTC_ENABLE | PDL_INTC_FALLING
);
/* Enable SW3 interrupts */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ10,
PDL_INTC_ENABLE | PDL_INTC_FALLING
);
}
/* Control input is false */
else
{
/* Disable SW1 interrupts */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ8,
PDL_INTC_DISABLE
);
/* Disable SW2 interrupts */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ9,
PDL_INTC_DISABLE
);
/* Disable SW3 interrupts */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ10,
PDL_INTC_DISABLE
);
}
/* Halt in while loop when RPDL errors detected */
while (!err);
}
/******************************************************************************
* Outline : SwitchDebounceCB
* Description : Oneshot timer callback function. This function is triggered
* by the timer interrupt, and re-enables switch interrupts.
* Argument : none
* Return value : none
******************************************************************************/
void SwitchDebounceCB(void)
{
/* Declare error flag */
bool err = true;
/* Check if any switches are held down */
if (!(gSwitchFlag & SWITCHHOLD_ALL))
{
/* Set standby ready flag to true */
gSwitchStandbyReady = true;
}
/* Re-enable switch 1 interrupts */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ8,
PDL_INTC_ENABLE | PDL_INTC_CLEAR_IR_FLAG
);
/* Re-enable switch 2 interrupts */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ9,
PDL_INTC_ENABLE | PDL_INTC_CLEAR_IR_FLAG
);
/* Re-enable switch 3 interrupts */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ10,
PDL_INTC_ENABLE | PDL_INTC_CLEAR_IR_FLAG
);
/* Halt in while loop when RPDL errors detected */
while (!err);
}
void Switch_ControlInterrupts(bool control)
{
bool err = true;
if(control)
{
// Enable SW1 interrupts
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ1,
PDL_INTC_ENABLE|PDL_INTC_FALLING
);
// Enable SW2 interrupts
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ3,
PDL_INTC_ENABLE|PDL_INTC_FALLING
);
// Enable SW3 interrupts
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ4,
PDL_INTC_ENABLE|PDL_INTC_FALLING
);
}
else
{
// Disable SW1 interrupts
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ1,
PDL_INTC_DISABLE
);
// Disable SW2 interrupts
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ3,
PDL_INTC_DISABLE
);
// Disable SW3 interrupts
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ4,
PDL_INTC_DISABLE
);
}
while(!err)
;
}
/******************************************************************************
* Outline : SW3_InterruptCB
* Description : Switch 3 callback ISR function. The function disables switch
* interrupts, then uses a oneshot timer to re-enable them after
* a 10ms debounce timer period.
* Argument : none
* Return value : none
******************************************************************************/
void SW3_InterruptCB(void)
{
/* Declare error flag */
bool err = true;
/* Declare status container variable */
uint8_t status = 0x00;
/* Fetch input edge status */
err &= R_INTC_GetExtInterruptStatus
(
PDL_INTC_IRQ10,
&status
);
/* Check if interrupt was triggered from falling edge */
if ((status & 0x06) == 0x04)
{
/* Disable switch interrupts and change to rising edge detection */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ10,
PDL_INTC_DISABLE | PDL_INTC_RISING
);
/* Set global switch flag to indicate SW3 is held down */
gSwitchFlag |= 0x02;
/* Check if switch press callback function is not NULL */
if (gSwitchPressCallbackFunc)
{
/* Execute user callback function */
gSwitchPressCallbackFunc();
}
}
else
{
/* Switch to falling edge detection */
err &= R_INTC_ControlExtInterrupt
(
PDL_INTC_IRQ10,
PDL_INTC_FALLING
);
/* Clear SW3 held-down bit in switch flag */
gSwitchFlag &= 0xFD;
/* Set global switch flag to indicate SW3 press complete */
gSwitchFlag |= 0x20;
/* Check if switch release callback function is not NULL */
if (gSwitchReleaseCallbackFunc)
{
/* Execute user callback function */
gSwitchReleaseCallbackFunc();
}
}
/* Set standby ready flag as false */
gSwitchStandbyReady = false;
/* Create 10ms one-shot timer interrupt to debounce the switch input */
err &= R_CMT_CreateOneShot
(
1,
PDL_NO_DATA,
10E-3,
SwitchDebounceCB,
8
);
/* Halt in while loop when RPDL errors detected */
while (!err);
}
