o_195h4n6al16jb186b1b2qs7fgssa.pdf

Language Tools Libraries
DS51456B-page 114 2004 Microchip Technology Inc.
ReadTimer23
ReadTimer45
Description: This function reads the contents of the 32-bit Timer register.
Include: timer.h
Prototype: unsigned long ReadTimer23(void);
unsigned long ReadTimer45(void);
Arguments: None
Return Value: None
Remarks: This function returns the contentsof the 32-bit TMR register.
Source File: ReadTimer23.c
ReadTimer45.c
Code Example: unsigned long timer23_value;
timer23_value = ReadTimer23();
WriteTimer1
WriteTimer2
WriteTimer3
WriteTimer4
WriteTimer5
Description: This function writes the 16-bit value into the Timer register.
Include: timer.h
Prototype: void WriteTimer1(unsigned int timer);
void WriteTimer2(unsigned int timer);
void WriteTimer3(unsigned int timer);
void WriteTimer4(unsigned int timer);
void WriteTimer5(unsigned int timer);
Arguments: timer This is the 16-bit value to be stored into TMR register.
Return Value: None
Remarks: None
Source File: WriteTimer1.c
WriteTimer2.c
WriteTimer3.c
WriteTimer4.c
WriteTimer5.c
Code Example: unsigned int timer_init = 0xAB;
WriteTimer1(timer_init);
dsPIC Peripheral Libraries
2004 Microchip Technology Inc. DS51456B-page 115
# include
# include
int timer_value;
khoảng trống __attribute __ ((__ interrupt__)) _T1Interrupt (void)
{
PORTDbits.RD1 = 1; / * Tắt đèn LED trên RD1 * /
(0) WriteTimer1;
IFS0bits.T1IF = 0; / * Thơi gian gián đoạn rõ ràng cờ * /
}
int main (void)
{
int match_value;
TRISDbits.TRISD1 = 0;
PORTDbits.RD1 = 1; / * Tắt đèn LED trên RD1 * /
/ * Cho phép ngắt Timer1 và ưu tiên để "1" * /
ConfigIntTimer1 (T1_INT_PRIOR_1 & T1_INT_ON);
(0) WriteTimer1;
match_value = 0xFFF;
OpenTimer1 (T1_ON & T1_GATE_OFF & T1_IDLE_STOP &
T1_PS_1_1 & T1_SYNC_EXT_OFF &
T1_SOURCE_INT, match_value);
/ * Chờ cho đến khi bộ đếm thời gian phù hợp với giá trị khoảng thời gian * /
trong khi (1)
{
timer_value = ReadTimer1 ();
if (timer_value> = 0x7FF)
{
PORTDbits.RD1 = 0; / * Bật đèn LED trên RD1 * /
}
}
CloseTimer1 ();
}
SetPriorityIntT1
SetPriorityIntT2
SetPriorityIntT3
SetPriorityIntT4
SetPriorityIntT5
Mô tả: Điều này đặt ra ưu tiên vĩ mô cho giờ gián đoạn.
Bao gồm: timer.h