R7F0C802x Easy Start各功能测试程序+原理图 -

*******************************************************************************
** Include files
*******************************************************************************
*/
#pragma interrupt INTTM00 interrupt_inttm00
#pragma interrupt INTTM01 interrupt_inttm01
#pragma interrupt INTTM01H interrupt_inttm01h
#include "common.h"
/*
*******************************************************************************
** Global declaration
*******************************************************************************
*/
void main(void);
void IO_Init(void);
void TAU0_PWM_Init(void);
void TAU0_Start(void);
void TAU0_Stop(void);
unsigned long cnt[3];
unsigned short breath;
unsigned char breath_dir;
/*
**---------------------------------------------------------------------
** Abstract: This function implements main function.
** Parameters: None
** Returns: None
**---------------------------------------------------------------------
*/
void main(void)
{
unsigned char mode;
cnt[0] = 0;
cnt[1] = 0;
cnt[2] = 0;
breath = 0;
breath_dir = 0;
/* I/O Port Init */
IO_Init();
/* TAU0 Timer Init */
TAU0_PWM_Init();
/* Enable Interrupt */
EI();
/* Start Timer, i.e. PWM output */
TAU0_Start();
mode = 1;
/* Program Loop */
while(1)
{
if (P13.7 == 0)
{
if (mode)
{
mode = 0;
TAU0_Stop();
}
}
else
{
if (mode == 0)
{
mode = 1;
TAU0_Start();
}
}
} /* while(1) */
}
/*
**---------------------------------------------------------------------
** Abstract: This function implements I/O port initialization.
** Parameters: None
** Returns: None
**---------------------------------------------------------------------
*/
void IO_Init(void)
{
/* Port Mode '0'=Out, '1'=In */
PM0 = 0x01;
PM4 = 0x00;
/* Port Register */
P0 = 0x00;
P4 = 0x00;
/* Pull-up resistor */
PU0 = 0x00;
PU4 = 0x00;
PU12 = 0x00;
/* Port output mode '1'=open-drain */
POM0 = 0x03;
/* Port mode control '0'=I/O, '1'=AIN*/
PMC0 = 0xE1;
/* Peripheral I/O redirection */
PIOR = 0x00;
}
/*
**---------------------------------------------------------------------
** Abstract: This function start the timer.
** Parameters: None
** Returns: None
**---------------------------------------------------------------------
*/
void TAU0_Start(void)
{
TMIF00 = 0U; /* clear INTTM00 interrupt flag */
TMMK00 = 0U; /* enable INTTM00 interrupt */
TMIF01 = 0U; /* clear INTTM01 interrupt flag */
TMMK01 = 0U; /* enable INTTM01 interrupt */
TOE0 |= 0x03U; /* enable CH1 output */
TS0 = 0x03U; /* Trigger CH0 start */
}
/*
**---------------------------------------------------------------------
** Abstract: This function stop the timer.
** Parameters: None
** Returns: None
**---------------------------------------------------------------------
*/
void TAU0_Stop(void)
{
TT0 |= 0x03; /* Trigger CH0, CH1 to stop */
TOE0 &= ~0x02; /* disable CH1 output */
TMMK00 = 1U; /* disable INTTM00 interrupt */
TMIF00 = 0U; /* clear INTTM00 interrupt flag */
TMMK01 = 1U; /* disable INTTM01 interrupt */
TMIF01 = 0U; /* clear INTTM01 interrupt flag */
}
/*
**---------------------------------------------------------------------
** Abstract : This function implements timer initialization for PWM output.
** Parameters : None
** Returns : None
** Remark : Set PWM frequency = 1KHz,
**---------------------------------------------------------------------
*/
void TAU0_PWM_Init(void)
{
TAU0EN = 1; /* supplies input clock */
TPS0 = 0x0F; /* CK01=fclk, CK00=fclk/2^15 */
/* Stop all channels */
TT0 = 0x00U;
/* Mask channel 0 interrupt */
TMMK00 = 1U; /* disable INTTM00 interrupt */
TMIF00 = 0U; /* clear INTTM00 interrupt flag */
/* Mask channel 1 interrupt */
TMMK01 = 1U; /* disable INTTM01 interrupt */
TMIF01 = 0U; /* clear INTTM01 interrupt flag */
/* Mask channel 1 higher 8 bits interrupt */
TMMK01H = 1U; /* disable INTTM01H interrupt */
TMIF01H = 0U; /* clear INTTM01H interrupt flag */
/* Set INTTM00 low priority */
TMPR100 = 1U;
TMPR000 = 1U;
/* Channel 0 is used as master channel for PWM output function */
TMR00H = 0x80U; /* CK01 */
TMR00L = 0x01U;
#if 0
TDR00H = 0x13U; /* TDR00 = 4999+1 (0x1387H+1), 1KHz */
TDR00L = 0x87U;
#else
TDR00H = 0x1FU; /* TDR00 = 8191+1 (0x1fffH+1), ~610Hz */
TDR00L = 0xFFU;
#endif
TOL0 &= ~0x01;
TO0 &= ~0x01;
TOE0 |= ~0x01;
/* Channel 1 is used as slave channel for PWM output function */
TMR01H = 0x84U; /* CK01 */
TMR01L = 0x09U;
#if 0
TDR01H = 0x03U; /* TDR01 set duty ratio of TDR00 */
TDR01L = 0xE7U; /* TDR01 = 999+1 (0x03E7+1), 20% Duty ratio */
#else
TDR01H = 0x00U;
TDR01L = 0x00U;
#endif
TOM0 = 0x02U;
TO0 &= ~0x02;
TO0 |= 0x02U;
TOE0 |= 0x02U;
TOL0 = 0x02U;
/* Set TO00, TO01 pin */
P0 &= 0xE7U;
PM0 &= 0xE7U;
}
/*
**---------------------------------------------------------------------
** Abstract: This function implements timer interrupt.
** Parameters: None
** Returns: None
**---------------------------------------------------------------------
*/
__interrupt void interrupt_inttm00(){
cnt[0]++;
if (breath_dir == 0)
{
/* dimm on */
if (breath <= 0x1fff)
{
breath += 0x10;
}
else
{
breath = 0x2000;
breath_dir = 1;
}
}
else
{
/* dimm off */
if (breath > 0)
{
breath -= 0x100;
}
else
{
breath = 0;
breath_dir = 0;
}
}
TDR01H = (unsigned char)(breath>>8);
TDR01L = (unsigned char)(breath&0x00ff);
}
/*
**---------------------------------------------------------------------
** Abstract: This function implements timer interrupt.
** Parameters: None
** Returns: None
**---------------------------------------------------------------------
*/
__interrupt void interrupt_inttm01(){
cnt[1]++;
}
/*
**---------------------------------------------------------------------
** Abstract: This function implements timer interrupt.
** Parameters: None
** Returns: None
**---------------------------------------------------------------------
*/
__interrupt void interrupt_inttm01h(){
cnt[2]++;
}

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