/*******************************************************************************
* Function Name: PWM_2_RestoreConfig
********************************************************************************
*
* Summary:
* Restores the current user configuration of the component.
*
* Parameters:
* None
*
* Return:
* None
*
* Global variables:
* PWM_2_backup: Variables of this global structure are used to
* restore the values of non retention registers on wakeup from sleep mode.
*
*******************************************************************************/
void PWM_2_RestoreConfig(void)
{
#if(!PWM_2_UsingFixedFunction)
#if(!PWM_2_PWMModeIsCenterAligned)
PWM_2_WritePeriod(PWM_2_backup.PWMPeriod);
#endif /* (!PWM_2_PWMModeIsCenterAligned) */
PWM_2_WriteCounter(PWM_2_backup.PWMUdb);
#if (PWM_2_UseStatus)
PWM_2_STATUS_MASK = PWM_2_backup.InterruptMaskValue;
#endif /* (PWM_2_UseStatus) */
#if(PWM_2_DeadBandMode == PWM_2__B_PWM__DBM_256_CLOCKS || \
PWM_2_DeadBandMode == PWM_2__B_PWM__DBM_2_4_CLOCKS)
PWM_2_WriteDeadTime(PWM_2_backup.PWMdeadBandValue);
#endif /* deadband count is either 2-4 clocks or 256 clocks */
#if(PWM_2_KillModeMinTime)
PWM_2_WriteKillTime(PWM_2_backup.PWMKillCounterPeriod);
#endif /* (PWM_2_KillModeMinTime) */
#if(PWM_2_UseControl)
PWM_2_WriteControlRegister(PWM_2_backup.PWMControlRegister);
#endif /* (PWM_2_UseControl) */
#endif /* (!PWM_2_UsingFixedFunction) */
}
void play_song(int* notebuf, int* accidentalsbuf, int* octavebuf, int length) {
PWM_1_Start();
PWM_2_Start();
PWM_3_Start();
PWM_4_Start();
for (int i = 0; i < length; i+=4) {
PWM_1_WriteCompare((note_lengths[note_lookup[notebuf[i]]+accidentalsbuf[i]]/2)>>octavebuf[i]);
PWM_1_WritePeriod(note_lengths[note_lookup[notebuf[i]]+accidentalsbuf[i]]>>octavebuf[i]);
PWM_1_WriteCounter(0);
PWM_2_WriteCompare((note_lengths[note_lookup[notebuf[i+1]]+accidentalsbuf[i]]/2)>>octavebuf[i+1]);
PWM_2_WritePeriod(note_lengths[note_lookup[notebuf[i+1]]+accidentalsbuf[i]]>>octavebuf[i+1]);
PWM_2_WriteCounter(0);
PWM_3_WriteCompare((note_lengths[note_lookup[notebuf[i+2]]+accidentalsbuf[i]]/2)>>octavebuf[i+2]);
PWM_3_WritePeriod(note_lengths[note_lookup[notebuf[i+2]]+accidentalsbuf[i]]>>octavebuf[i+2]);
PWM_3_WriteCounter(0);
PWM_4_WriteCompare((note_lengths[note_lookup[notebuf[i+3]]+accidentalsbuf[i]]/2)>>octavebuf[i+3]);
PWM_4_WritePeriod(note_lengths[note_lookup[notebuf[i+3]]+accidentalsbuf[i]]>>octavebuf[i+3]);
PWM_4_WriteCounter(0);
if (Keypad_1_Status_Reg_Read() & 0x10) break;
CyDelay(TEMPO_MS);
}
PWM_1_Stop();
PWM_2_Stop();
PWM_3_Stop();
PWM_4_Stop();
}
/*******************************************************************************
* Function Name: PWM_2_Init
********************************************************************************
*
* Summary:
* Initialize component's parameters to the parameters set by user in the
* customizer of the component placed onto schematic. Usually called in
* PWM_2_Start().
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
void PWM_2_Init(void)
{
#if (PWM_2_UsingFixedFunction || PWM_2_UseControl)
uint8 ctrl;
#endif /* (PWM_2_UsingFixedFunction || PWM_2_UseControl) */
#if(!PWM_2_UsingFixedFunction)
#if(PWM_2_UseStatus)
/* Interrupt State Backup for Critical Region*/
uint8 PWM_2_interruptState;
#endif /* (PWM_2_UseStatus) */
#endif /* (!PWM_2_UsingFixedFunction) */
#if (PWM_2_UsingFixedFunction)
/* You are allowed to write the compare value (FF only) */
PWM_2_CONTROL |= PWM_2_CFG0_MODE;
#if (PWM_2_DeadBand2_4)
PWM_2_CONTROL |= PWM_2_CFG0_DB;
#endif /* (PWM_2_DeadBand2_4) */
ctrl = PWM_2_CONTROL3 & ((uint8 )(~PWM_2_CTRL_CMPMODE1_MASK));
PWM_2_CONTROL3 = ctrl | PWM_2_DEFAULT_COMPARE1_MODE;
/* Clear and Set SYNCTC and SYNCCMP bits of RT1 register */
PWM_2_RT1 &= ((uint8)(~PWM_2_RT1_MASK));
PWM_2_RT1 |= PWM_2_SYNC;
/*Enable DSI Sync all all inputs of the PWM*/
PWM_2_RT1 &= ((uint8)(~PWM_2_SYNCDSI_MASK));
PWM_2_RT1 |= PWM_2_SYNCDSI_EN;
#elif (PWM_2_UseControl)
/* Set the default compare mode defined in the parameter */
ctrl = PWM_2_CONTROL & ((uint8)(~PWM_2_CTRL_CMPMODE2_MASK)) &
((uint8)(~PWM_2_CTRL_CMPMODE1_MASK));
PWM_2_CONTROL = ctrl | PWM_2_DEFAULT_COMPARE2_MODE |
PWM_2_DEFAULT_COMPARE1_MODE;
#endif /* (PWM_2_UsingFixedFunction) */
#if (!PWM_2_UsingFixedFunction)
#if (PWM_2_Resolution == 8)
/* Set FIFO 0 to 1 byte register for period*/
PWM_2_AUX_CONTROLDP0 |= (PWM_2_AUX_CTRL_FIFO0_CLR);
#else /* (PWM_2_Resolution == 16)*/
/* Set FIFO 0 to 1 byte register for period */
PWM_2_AUX_CONTROLDP0 |= (PWM_2_AUX_CTRL_FIFO0_CLR);
PWM_2_AUX_CONTROLDP1 |= (PWM_2_AUX_CTRL_FIFO0_CLR);
#endif /* (PWM_2_Resolution == 8) */
PWM_2_WriteCounter(PWM_2_INIT_PERIOD_VALUE);
#endif /* (!PWM_2_UsingFixedFunction) */
PWM_2_WritePeriod(PWM_2_INIT_PERIOD_VALUE);
#if (PWM_2_UseOneCompareMode)
PWM_2_WriteCompare(PWM_2_INIT_COMPARE_VALUE1);
#else
PWM_2_WriteCompare1(PWM_2_INIT_COMPARE_VALUE1);
PWM_2_WriteCompare2(PWM_2_INIT_COMPARE_VALUE2);
#endif /* (PWM_2_UseOneCompareMode) */
#if (PWM_2_KillModeMinTime)
PWM_2_WriteKillTime(PWM_2_MinimumKillTime);
#endif /* (PWM_2_KillModeMinTime) */
#if (PWM_2_DeadBandUsed)
PWM_2_WriteDeadTime(PWM_2_INIT_DEAD_TIME);
#endif /* (PWM_2_DeadBandUsed) */
#if (PWM_2_UseStatus || PWM_2_UsingFixedFunction)
PWM_2_SetInterruptMode(PWM_2_INIT_INTERRUPTS_MODE);
#endif /* (PWM_2_UseStatus || PWM_2_UsingFixedFunction) */
#if (PWM_2_UsingFixedFunction)
/* Globally Enable the Fixed Function Block chosen */
PWM_2_GLOBAL_ENABLE |= PWM_2_BLOCK_EN_MASK;
/* Set the Interrupt source to come from the status register */
PWM_2_CONTROL2 |= PWM_2_CTRL2_IRQ_SEL;
#else
#if(PWM_2_UseStatus)
/* CyEnterCriticalRegion and CyExitCriticalRegion are used to mark following region critical*/
/* Enter Critical Region*/
PWM_2_interruptState = CyEnterCriticalSection();
/* Use the interrupt output of the status register for IRQ output */
PWM_2_STATUS_AUX_CTRL |= PWM_2_STATUS_ACTL_INT_EN_MASK;
/* Exit Critical Region*/
CyExitCriticalSection(PWM_2_interruptState);
/* Clear the FIFO to enable the PWM_2_STATUS_FIFOFULL
bit to be set on FIFO full. */
PWM_2_ClearFIFO();
#endif /* (PWM_2_UseStatus) */
#endif /* (PWM_2_UsingFixedFunction) */
}
/*******************************************************************************
* Function Name: PWM_2_RestoreConfig
********************************************************************************
*
* Summary:
* Restores the current user configuration of the component.
*
* Parameters:
* None
*
* Return:
* None
*
* Global variables:
* PWM_2_backup: Variables of this global structure are used to
* restore the values of non retention registers on wakeup from sleep mode.
*
*******************************************************************************/
void PWM_2_RestoreConfig(void)
{
#if(!PWM_2_UsingFixedFunction)
#if (CY_UDB_V0)
/* Interrupt State Backup for Critical Region*/
uint8 PWM_2_interruptState;
/* Enter Critical Region*/
PWM_2_interruptState = CyEnterCriticalSection();
#if (PWM_2_UseStatus)
/* Use the interrupt output of the status register for IRQ output */
PWM_2_STATUS_AUX_CTRL |= PWM_2_STATUS_ACTL_INT_EN_MASK;
PWM_2_STATUS_MASK = PWM_2_backup.InterruptMaskValue;
#endif /* (PWM_2_UseStatus) */
#if (PWM_2_Resolution == 8)
/* Set FIFO 0 to 1 byte register for period*/
PWM_2_AUX_CONTROLDP0 |= (PWM_2_AUX_CTRL_FIFO0_CLR);
#else /* (PWM_2_Resolution == 16)*/
/* Set FIFO 0 to 1 byte register for period */
PWM_2_AUX_CONTROLDP0 |= (PWM_2_AUX_CTRL_FIFO0_CLR);
PWM_2_AUX_CONTROLDP1 |= (PWM_2_AUX_CTRL_FIFO0_CLR);
#endif /* (PWM_2_Resolution == 8) */
/* Exit Critical Region*/
CyExitCriticalSection(PWM_2_interruptState);
PWM_2_WriteCounter(PWM_2_backup.PWMUdb);
PWM_2_WritePeriod(PWM_2_backup.PWMPeriod);
#if(PWM_2_UseOneCompareMode)
PWM_2_WriteCompare(PWM_2_backup.PWMCompareValue);
#else
PWM_2_WriteCompare1(PWM_2_backup.PWMCompareValue1);
PWM_2_WriteCompare2(PWM_2_backup.PWMCompareValue2);
#endif /* (PWM_2_UseOneCompareMode) */
#if(PWM_2_DeadBandMode == PWM_2__B_PWM__DBM_256_CLOCKS || \
PWM_2_DeadBandMode == PWM_2__B_PWM__DBM_2_4_CLOCKS)
PWM_2_WriteDeadTime(PWM_2_backup.PWMdeadBandValue);
#endif /* deadband count is either 2-4 clocks or 256 clocks */
#if ( PWM_2_KillModeMinTime)
PWM_2_WriteKillTime(PWM_2_backup.PWMKillCounterPeriod);
#endif /* ( PWM_2_KillModeMinTime) */
#endif /* (CY_UDB_V0) */
#if (CY_UDB_V1)
#if(!PWM_2_PWMModeIsCenterAligned)
PWM_2_WritePeriod(PWM_2_backup.PWMPeriod);
#endif /* (!PWM_2_PWMModeIsCenterAligned) */
PWM_2_WriteCounter(PWM_2_backup.PWMUdb);
#if (PWM_2_UseStatus)
PWM_2_STATUS_MASK = PWM_2_backup.InterruptMaskValue;
#endif /* (PWM_2_UseStatus) */
#if(PWM_2_DeadBandMode == PWM_2__B_PWM__DBM_256_CLOCKS || \
PWM_2_DeadBandMode == PWM_2__B_PWM__DBM_2_4_CLOCKS)
PWM_2_WriteDeadTime(PWM_2_backup.PWMdeadBandValue);
#endif /* deadband count is either 2-4 clocks or 256 clocks */
#if(PWM_2_KillModeMinTime)
PWM_2_WriteKillTime(PWM_2_backup.PWMKillCounterPeriod);
#endif /* (PWM_2_KillModeMinTime) */
#endif /* (CY_UDB_V1) */
#if(PWM_2_UseControl)
PWM_2_WriteControlRegister(PWM_2_backup.PWMControlRegister);
#endif /* (PWM_2_UseControl) */
#endif /* (!PWM_2_UsingFixedFunction) */
}