Dmitry Kovalev
n
Diff: CyclesSync.c
- Revision:
- 21:bc8c1cec3da6
- Parent:
- 0:8ad47e2b6f00
--- a/CyclesSync.c Tue Feb 02 17:14:25 2016 +0000
+++ b/CyclesSync.c Wed Feb 03 07:19:30 2016 +0000
@@ -1,9 +1,8 @@
-
/**--------------File Info---------------------------------------------------------------------------------
** File name: CycleSync.c
** Last modified Date: 2011-09-06
** Last Version: V1.00
-** Descriptions:
+** Descriptions:
**
**--------------------------------------------------------------------------------------------------------
** Created by: Electrooptica Inc.
@@ -11,7 +10,7 @@
** Version: V1.00
** Descriptions: There is the routines for device synchronization
**
-**--------------------------------------------------------------------------------------------------------
+**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
#include "CyclesSync.h"
#include "CntrlGLD.h"
@@ -19,23 +18,23 @@
#include "el_lin.h"
#include "InputOutput.h"
-uint32_t Sys_Clock; //e. counter of system ticks //r. ������� ��������� ����� �������
-uint32_t Seconds = 0; //e. seconds from power on //r. ����� ������ �� ������� ��������� �������
-int32_t time_1_Sec = DEVICE_SAMPLE_RATE_uks; //e. pseudosecond timer //r. ��������������� ������
+uint32_t Sys_Clock; //e. counter of system ticks //r. счетчик временной сетки системы
+uint32_t Seconds = 0; //e. seconds from power on //r. число секунд от момента включения питания
+int32_t time_1_Sec = DEVICE_SAMPLE_RATE_uks; //e. pseudosecond timer //r. псевдосекундный таймер
uint32_t trm_cycl;
uint32_t count;
- int32_t PrevPeriod = 0;
+int32_t PrevPeriod = 0;
uint32_t num;
volatile uint32_t Latch_Rdy = 0;
- int32_t LatchPhase = INT32_MAX;
+int32_t LatchPhase = INT32_MAX;
uint32_t Ext_Latch_ResetEnable = 1;
volatile uint32_t data_Rdy = 0;
uint32_t Delay_UART_Enbl = DELAY_UART_ENBL;
//uint32_t Delay_UART_Disbl = DELAY_UART_ENBL;
-uint32_t main_cycle_latch = 0;
+uint32_t main_cycle_latch = 0;
uint32_t Out_main_cycle_latch; //e. counter of main cycles between external latch pulse appearence
uint32_t T_latch, Out_T_latch, temp_T_latch;
@@ -46,38 +45,34 @@
**
** parameters: None
** Returned value: None
-**
+**
******************************************************************************/
void Latch_Event()
{
- static unsigned PreLatch = 0;
+ static unsigned PreLatch = 0;
// static int cc = 0;
- if (LatchPhase < INT32_MAX) //���� LatchPhase(���� �������) < ������ ������������� 32-� ������� ���� (��� ������������� int32_t LatchPhase = INT32_MAX;) ��:
- {
- Latch_Rdy = 1; //e. ���������� ���� ��� ��������� ����
- if (RgConB) //���� RgConB (�������������� ������� ����������, ���������� � ������� ��� ������������� � �����) ��������� � ������� ��:
- {
- if (PreLatch) //e. ���� �� ����������� �������
- PreLatch = 0;
-
- else if ((LatchPhase < LPC_PWM1->TC) && (num == Sys_Clock)) //e. latch have appeared in current cycle
- {
- Latch_Rdy = 0; //e. bring it to the next cycle
- PreLatch = 1;
- }
- }
- }
- else
- Latch_Rdy = 0; //e. latch is absent
- //---------------------------temp-------------------------------
- /* Latch_Rdy = 0; //e. latch is absent
- if (cc++ == 19)
- {
- cc = 0;
- Latch_Rdy = 1;
- LatchPhase = 2500;
- } */
- //----------------------temp--------------------------------
+ if (LatchPhase < INT32_MAX) { //Если LatchPhase(флаг защелки) < меньше максимального 32-х битного инта (при инициализации int32_t LatchPhase = INT32_MAX;) то:
+ Latch_Rdy = 1; //e. установить флаг для обработки ниже
+ if (RgConB) { //Если RgConB (дополнительный регистр управления, установлен в еденицу при инициализации в мэйне) утановлен в еденицу то:
+ if (PreLatch) //e. если мы откладываем защелку
+ PreLatch = 0;
+
+ else if ((LatchPhase < LPC_PWM1->TC) && (num == Sys_Clock)) { //e. latch have appeared in current cycle
+ Latch_Rdy = 0; //e. bring it to the next cycle
+ PreLatch = 1;
+ }
+ }
+ } else
+ Latch_Rdy = 0; //e. latch is absent
+//---------------------------temp-------------------------------
+ /* Latch_Rdy = 0; //e. latch is absent
+ if (cc++ == 19)
+ {
+ cc = 0;
+ Latch_Rdy = 1;
+ LatchPhase = 2500;
+ } */
+ //----------------------temp--------------------------------
}
/******************************************************************************
@@ -87,24 +82,22 @@
**
** parameters: None
** Returned value: None
-**
+**
******************************************************************************/
- __irq void QEI_IRQHandler (void)
- {
- static uint32_t halfQEIPeriod = 0;
+__irq void QEI_IRQHandler (void)
+{
+ static uint32_t halfQEIPeriod = 0;
- Cnt_curr = LPC_QEI->POS; //e. read accumulated value of counter
- if (LPC_QEI->INTSTAT & 0x0008)
- {
- data_Rdy = 0x0004; //e. data for Cnt_Pls or Cnt_Mns calculation are ready
+ Cnt_curr = LPC_QEI->POS; //e. read accumulated value of counter
+ if (LPC_QEI->INTSTAT & 0x0008) {
+ data_Rdy = 0x0004; //e. data for Cnt_Pls or Cnt_Mns calculation are ready
- if (++halfQEIPeriod & 0x0001) //e. period elapsed, we can calculate Cnt_Dif
- {
- data_Rdy = 0x000C;
- }
- }
- LPC_QEI->CLR = 0x1fff; //e. reset interrupt request //r. �������� ������ ����������
- }
+ if (++halfQEIPeriod & 0x0001) { //e. period elapsed, we can calculate Cnt_Dif
+ data_Rdy = 0x000C;
+ }
+ }
+ LPC_QEI->CLR = 0x1fff; //e. reset interrupt request //r. сбросить запрос прерывания
+}
/******************************************************************************
** Function name: SetIntLatch
**
@@ -112,16 +105,15 @@
**
** parameters: Period of accumulation
** Returned value: None
-**
+**
******************************************************************************/
void SetIntLatch(uint32_t cycle)
{
- LPC_TIM3->TCR = 0x2; //switch off and reset timer3
- if (cycle != 0)
- {
- LPC_TIM3->MR0 = (cycle<<2); //load new value
- LPC_TIM3->TCR = 1; //switch on timer3
- }
+ LPC_TIM3->TCR = 0x2; //switch off and reset timer3
+ if (cycle != 0) {
+ LPC_TIM3->MR0 = (cycle<<2); //load new value
+ LPC_TIM3->TCR = 1; //switch on timer3
+ }
}
/******************************************************************************
** Function name: SwitchRefMeandInt
@@ -130,15 +122,15 @@
**
** parameters: switcher
** Returned value: None
-**
+**
******************************************************************************/
void SwitchRefMeandInt(uint32_t s)
{
- LPC_QEI->CLR = 0x1fff; //e. reset all interrupts //r. �������� ��� ����������
- if (s)
- LPC_QEI->IEC = 0x1fff; //e. disable direction changing interrupt //r. ��������� ���������� ��� ��������� �����������
- else
- LPC_QEI->IES = 0x0008; //e. enable direction changing interrupt //r. ��������� ���������� ��� ��������� �����������
+ LPC_QEI->CLR = 0x1fff; //e. reset all interrupts //r. сбросить все прерывания
+ if (s)
+ LPC_QEI->IEC = 0x1fff; //e. disable direction changing interrupt //r. запретить прерывание при изменении направления
+ else
+ LPC_QEI->IES = 0x0008; //e. enable direction changing interrupt //r. разрешить прерывание при изменении направления
}
/******************************************************************************
** Function name: ExtLatch_IRQHandler
@@ -147,113 +139,112 @@
**
** parameters: None
** Returned value: None
-**
+**
******************************************************************************/
- __irq void EINT3_IRQHandler (void)
- {
- //LPC_GPIO2->FIOSET = 0x00000020; //e. turn on the LED
- LatchPhase = LPC_PWM1->TC; //e. read moment of latch
- LPC_TIM0->TCR = 1; //e. start Mltdrop delay timer
- LPC_GPIOINT->IO0IntClr |= 0x0000800;//e. clean interrupt request
- //LPC_GPIO2->FIOCLR = 0x00000020; //e. turn off the LED
- }
- /******************************************************************************
+__irq void EINT3_IRQHandler (void)
+{
+//LPC_GPIO2->FIOSET = 0x00000020; //e. turn on the LED
+ LatchPhase = LPC_PWM1->TC; //e. read moment of latch
+ LPC_TIM0->TCR = 1; //e. start Mltdrop delay timer
+ LPC_GPIOINT->IO0IntClr |= 0x0000800;//e. clean interrupt request
+//LPC_GPIO2->FIOCLR = 0x00000020; //e. turn off the LED
+}
+/******************************************************************************
** Function name: IntLatch_IRQHandler
**
** Descriptions: Routine for Internal latch appearence processing
**
** parameters: None
** Returned value: None
-**
+**
******************************************************************************/
- __irq void IntLatch_IRQHandler (void)
- {
- //LPC_GPIO2->FIOSET |= 0x00000080; // turn on the LED
- LatchPhase =(int)LPC_PWM1->TC; //e. read moment of latch
- LPC_TIM3->IR = 0x0001; //e. clear interrupt flag
- num = Sys_Clock;
-// count++;
- //LPC_GPIO2->FIOCLR |= 0x00000080; // turn off the LED
- }
+__irq void IntLatch_IRQHandler (void)
+{
+//LPC_GPIO2->FIOSET |= 0x00000080; // turn on the LED
+ LatchPhase =(int)LPC_PWM1->TC; //e. read moment of latch
+ LPC_TIM3->IR = 0x0001; //e. clear interrupt flag
+ num = Sys_Clock;
+// count++;
+//LPC_GPIO2->FIOCLR |= 0x00000080; // turn off the LED
+}
- /******************************************************************************
+/******************************************************************************
** Function name: SwitchMode
**
** Descriptions: Switch mode of device functionality
**
** parameters: None
** Returned value: None
-**
+**
******************************************************************************/
int SwitchMode()
{
- //-----------------------disable latch sources ---------------------
- SetIntLatch(0); //e. disable internal latch
- LPC_TIM3->IR = 0x0001; //e. clear internal latch interrupt request
+//-----------------------disable latch sources ---------------------
+ SetIntLatch(0); //e. disable internal latch
+ LPC_TIM3->IR = 0x0001; //e. clear internal latch interrupt request
- LPC_GPIOINT->IO0IntEnR &= ~0x0000800; //e. disable external latch
- LPC_GPIOINT->IO0IntClr |= 0x0000800; //e. clean external latch interrupt request
+ LPC_GPIOINT->IO0IntEnR &= ~0x0000800; //e. disable external latch
+ LPC_GPIOINT->IO0IntClr |= 0x0000800; //e. clean external latch interrupt request
- LPC_TIM0->TCR = 2; //e. stop and reset the multidrop delay timer
- LPC_TIM0->IR = 0x03F; //e. clear internal latch interrupt request
-//----------------------wait while UART and DMA are active-------------
- if ( LPC_GPDMACH1->CConfig & DMA_BUSY) //e. if DMA channel is busy, wait //r. ���� ����� �������� �����, �����
- return 0;
- LPC_GPDMACH1->CConfig &= ~DMAChannelEn; //e. disable DMA for UART transmition
- LPC_GPDMACH2->CConfig &= ~DMAChannelEn;
+ LPC_TIM0->TCR = 2; //e. stop and reset the multidrop delay timer
+ LPC_TIM0->IR = 0x03F; //e. clear internal latch interrupt request
+//----------------------wait while UART and DMA are active-------------
+ if ( LPC_GPDMACH1->CConfig & DMA_BUSY) //e. if DMA channel is busy, wait //r. если канал передачи занят, ждать
+ return 0;
+ LPC_GPDMACH1->CConfig &= ~DMAChannelEn; //e. disable DMA for UART transmition
+ LPC_GPDMACH2->CConfig &= ~DMAChannelEn;
- if (!(LPC_UART1->LSR & TRANS_SHIFT_BUF_EMPTY)) //e. transmit buffer is not empty //r. ���������� ����� �� ����
- return 0;
- LPC_UART1->FCR |= 0x4; //e. reset TX FIFO
+ if (!(LPC_UART1->LSR & TRANS_SHIFT_BUF_EMPTY)) //e. transmit buffer is not empty //r. передающий буфер не пуст
+ return 0;
+ LPC_UART1->FCR |= 0x4; //e. reset TX FIFO
- LPC_TIM0->IR = 0x3F; //e. clear all interrupt flags
+ LPC_TIM0->IR = 0x3F; //e. clear all interrupt flags
//---------------------configure a new exchanging parameters------------
- if (Device_Mode > 3) //e. external latch mode enabled
- {
- LPC_TIM0->MR0 = 10;
- LPC_TIM0->MR1 = 50; //e. /10 = delay before enable signal (us)
- // LPC_UART1->FCR &= ~0x08; //e. TX FIFO is not source for DMA request
+ if (Device_Mode > 3) { //e. external latch mode enabled
+ LPC_TIM0->MR0 = 10;
+ LPC_TIM0->MR1 = 50; //e. /10 = delay before enable signal (us)
+// LPC_UART1->FCR &= ~0x08; //e. TX FIFO is not source for DMA request
// LPC_SC->DMAREQSEL = 0xC; //e. external latch delay timer is source for DMA request
// LPC_GPIOINT->IO0IntEnR |= 0x0000800; //e. enable rising edge interrupt
- }
- else //e. internal latch mode enabled
- {
- LPC_TIM0->MR0 = 10;
- LPC_TIM0->MR1 = 5000; //e. /10 = delay before enable signal (us)
+ } else { //e. internal latch mode enabled
+ LPC_TIM0->MR0 = 10;
+ LPC_TIM0->MR1 = 5000; //e. /10 = delay before enable signal (us)
// LPC_SC->DMAREQSEL = 0x3; //e. FIFO generate DMA request
// LPC_SC->EXTINT = 0x8; //e. clean interrupt request
- }
-
- UART_SwitchSpeed(SRgR & 0x0030);
+ }
+
+ UART_SwitchSpeed(SRgR & 0x0030);
- if (Device_Mode == DM_INT_LATCH_DELTA_PS)
- SetIntLatch(50000);
- return 1;
+ if (Device_Mode == DM_INT_LATCH_DELTA_PS)
+ SetIntLatch(50000);
+ return 1;
}
- /******************************************************************************
+/******************************************************************************
** Function name: ServiceTime
**
** Descriptions: Routine for pseudoseconds counting
**
** parameters: None
** Returned value: None
-**
+**
******************************************************************************/
- void ServiceTime(void)// ��������������� �������.
+void ServiceTime(void)// псевдосекундный счетчик.
{
- time_1_Sec -= PrevPeriod;
+ time_1_Sec -= PrevPeriod;
- if (time_1_Sec < (PrevPeriod>>1)) //1 sec elapsed with accurate 0.5 of main period
- {
- time_1_Sec = DEVICE_SAMPLE_RATE_uks;
- Seconds++;
- }
- if (Seconds == 3) { Seconds++;close_all_loops();}
- Sys_Clock++; //e. increment of the system clock register //r. ��������� �������� ��������� ����� �������
- PrevPeriod = LPC_PWM1->MR0;
+ if (time_1_Sec < (PrevPeriod>>1)) { //1 sec elapsed with accurate 0.5 of main period
+ time_1_Sec = DEVICE_SAMPLE_RATE_uks;
+ Seconds++;
+ }
+ if (Seconds == 3) {
+ Seconds++;
+ close_all_loops();
+ }
+ Sys_Clock++; //e. increment of the system clock register //r. инкремент регистра временной сетки системы
+ PrevPeriod = LPC_PWM1->MR0;
} // ServiceTime
/******************************************************************************
@@ -263,13 +254,13 @@
**
** parameters: None
** Returned value: None
-**
+**
******************************************************************************/
void WDTFeed( void )
{
- LPC_WDT->FEED = 0xAA; /* Feeding sequence */
- LPC_WDT->FEED = 0x55;
- return;
+ LPC_WDT->FEED = 0xAA; /* Feeding sequence */
+ LPC_WDT->FEED = 0x55;
+ return;
}
/******************************************************************************
@@ -279,95 +270,92 @@
** reset counter, all latches are enabled, interrupt
** on PWMMR0, install PWM interrupt to the VIC table.
**
-** parameters:
-** Returned value:
-**
+** parameters:
+** Returned value:
+**
******************************************************************************/
void CounterIquiryCycle_Init(uint32_t cycle)
-{
- //PWM1 enabled after reset by default
- LPC_SC->PCLKSEL0 &= ~(3<<12);
- LPC_SC->PCLKSEL0 |= (1<<12); //PWM1 is synchronized by CCLK (100 MHz)(CCLK) PCLKSEL0 - Peripheral Clock Selection registers.
-
- LPC_PWM1->TCR = TCR_RESET; /* Counter Reset */ //#define TCR_RESET 0x00000002 ���������������� ������� ��� �������� �������� ���.
- LPC_PWM1->MCR = PWMMR0I |PWMMR0R; //generate interrupt and reset timer counter ( PWMMR0I - ���������� ������������ ����� PWMMR0 ��������� �� ��������� PWMTC. )
- // ( PWMMR0R - ���������� PWMTC ��� ���������� PWMTC � PWMMR0. )
-
- LPC_PWM1->CCR = 0x1; //��������� ���������� ������ ��� ���������� PWMTC � PWMMR0 (��� ��� �� ������� � ��������� ��)
-
+{
+ //PWM1 enabled after reset by default
+ LPC_SC->PCLKSEL0 &= ~(3<<12);
+ LPC_SC->PCLKSEL0 |= (1<<12); //PWM1 is synchronized by CCLK (100 MHz)(CCLK) PCLKSEL0 - Peripheral Clock Selection registers.
- PrevPeriod = 10000;
- LPC_PWM1->MR0 = PrevPeriod; /* set PWM cycle */// ������� ������� ������ ��������.
- LPC_PWM1->PCR = PWMENA1; //e. single edge control mode, PWM1 out enabled only ��������� ������ ��� 1.
- LPC_PWM1->LER = LER0_EN ; //e. enable updating of register
- LPC_PWM1->TCR = TCR_CNT_EN | TCR_PWM_EN; /* counter enable, PWM enable */ //��������� �������� � ���
+ LPC_PWM1->TCR = TCR_RESET; /* Counter Reset */ //#define TCR_RESET 0x00000002 инкрементировать счетчик при спадении импульса ПВМ.
+ LPC_PWM1->MCR = PWMMR0I |PWMMR0R; //generate interrupt and reset timer counter ( PWMMR0I - прерывание генерируется когда PWMMR0 совподает со значением PWMTC. )
+ // ( PWMMR0R - сбрасывает PWMTC при совподении PWMTC и PWMMR0. )
- NVIC_DisableIRQ(PWM1_IRQn);//��������� ����������.
+ LPC_PWM1->CCR = 0x1; //разрешить прерывание только при совпадении PWMTC с PWMMR0 (еще что то связано с загрузкой ТС)
- return ;
+ PrevPeriod = 10000;
+ LPC_PWM1->MR0 = PrevPeriod; /* set PWM cycle */// задание периода сброса счетчика.
+ LPC_PWM1->PCR = PWMENA1; //e. single edge control mode, PWM1 out enabled only включение выхода ШИМ 1.
+ LPC_PWM1->LER = LER0_EN ; //e. enable updating of register
+ LPC_PWM1->TCR = TCR_CNT_EN | TCR_PWM_EN; /* counter enable, PWM enable */ //включение счетчика и ШИМ
+
+ NVIC_DisableIRQ(PWM1_IRQn);//запретить прерывание.
+
+
+ return ;
}
__irq void TIMER0_IRQHandler()
{
- int val = LPC_TIM0->IR;
- LPC_TIM0->IR |= 3;
+ int val = LPC_TIM0->IR;
+ LPC_TIM0->IR |= 3;
- if (val & 1) //MAT 1.0 interrupt
- {
- LPC_GPIO2->FIOSET |= 1<<6; // turn on the LED
- LPC_TIM0->IR |= 1;
- return;
- }
- if (val & 2) //MAT 1.1 interrupt
- {
- LPC_GPIO2->FIOCLR |= 1<<6; // turn on the LED
- LPC_TIM0->IR |= 2;
- return;
- }
- if (val & 4) //MAT 0.2 interrupt
- {
+ if (val & 1) { //MAT 1.0 interrupt
+ LPC_GPIO2->FIOSET |= 1<<6; // turn on the LED
+ LPC_TIM0->IR |= 1;
+ return;
+ }
+ if (val & 2) { //MAT 1.1 interrupt
+ LPC_GPIO2->FIOCLR |= 1<<6; // turn on the LED
+ LPC_TIM0->IR |= 2;
+ return;
+ }
+ if (val & 4) { //MAT 0.2 interrupt
// LPC_GPIO0->FIOSET2 |= 0xFF; //set P0.23
-// LPC_GPIO2->FIOSET |= 0x00000040; // turn on the LED
-// LPC_TIM0->IR |= 4;
- return;
- }
- return;
+// LPC_GPIO2->FIOSET |= 0x00000040; // turn on the LED
+// LPC_TIM0->IR |= 4;
+ return;
+ }
+ return;
}
/******************************************************************************
** Function name: ExtLatch_Init
**
-** Descriptions: Initialization of external latch
+** Descriptions: Initialization of external latch
**
** parameters: None
** Returned value: None
-**
+**
******************************************************************************/
-void ExtLatch_Init()
+void ExtLatch_Init()
{
- LPC_PINCON->PINSEL4 &= ~0xC000000; //e. ������������ P2.13 ��� GPIO.
- LPC_PINCON->PINSEL0 &= ~0x0C00000; //e. ������������ P0.11 ��� GPIO.
- LPC_GPIO0->FIODIR &= ~0x0000800; //e. ������������ P0.11 �����.
- LPC_GPIOINT->IO0IntEnR &= ~0x0000800; //e. ��������� ���������� �������.
- LPC_GPIOINT->IO0IntClr |= 0x0000800; //e. �������� ������� �� ����������
+ LPC_PINCON->PINSEL4 &= ~0xC000000; //e. использовать P2.13 как GPIO.
+ LPC_PINCON->PINSEL0 &= ~0x0C00000; //e. использовать P0.11 как GPIO.
+ LPC_GPIO0->FIODIR &= ~0x0000800; //e. использовать P0.11 вхлод.
+ LPC_GPIOINT->IO0IntEnR &= ~0x0000800; //e. отключить внутреннюю защелку.
+ LPC_GPIOINT->IO0IntClr |= 0x0000800; //e. сбросить запросы на прерывания
- NVIC_EnableIRQ(EINT3_IRQn); // ��������� ����������.
+ NVIC_EnableIRQ(EINT3_IRQn); // разрешить прерывания.
//+++++++ initialization of timer for multidrop delay generation+++++++++++++++++++++++
- //e. TIMER0 enabled by default
- LPC_SC->PCLKSEL0 &= ~(3<<2); //e. �������� ������� ������� 0
- LPC_SC->PCLKSEL0 |= (3<<2); //e. ���������� ������� ������� 0 �� CLK/8.
- LPC_TIM0->PR = 0; //e. ���������� �������� ������� � 0.
- LPC_TIM0->IR = 0x3F; //e. �������� ����� ����������.
- LPC_TIM0->MCR = 1 |(1<<3)|MR1_RESET |MR1_STOP; //e. �������� � ���������� ������ ����� ���������� MR1 � TC.
- LPC_TIM0->CCR = 0; //e. ���������� ������� ����������� ��� ��������� ��������� ������ �������.
- LPC_TIM0->CTCR = 0; //e. timer0 � ������ �������.
-
- LPC_TIM0->MR0 = /*Device_blk.Address**/10; //e. delay before UART transmitter loading
- LPC_TIM0->MR1 = /*Device_blk.Address**/5000; //e. delay before UART transmitter start
- //e. set first empty) event of timer
- NVIC_DisableIRQ(TIMER0_IRQn);
+ //e. TIMER0 enabled by default
+ LPC_SC->PCLKSEL0 &= ~(3<<2); //e. сбросить частоту таймера 0
+ LPC_SC->PCLKSEL0 |= (3<<2); //e. установить частоту таймера 0 на CLK/8.
+ LPC_TIM0->PR = 0; //e. установить делитель частоты в 0.
+ LPC_TIM0->IR = 0x3F; //e. очистить флаги прерываний.
+ LPC_TIM0->MCR = 1 |(1<<3)|MR1_RESET |MR1_STOP; //e. сбросить и остановить таймер после совпадения MR1 и TC.
+ LPC_TIM0->CCR = 0; //e. содержимое таймера загружается при появлении переднего фронта защелки.
+ LPC_TIM0->CTCR = 0; //e. timer0 в режиме таймера.
+
+ LPC_TIM0->MR0 = /*Device_blk.Address**/10; //e. delay before UART transmitter loading
+ LPC_TIM0->MR1 = /*Device_blk.Address**/5000; //e. delay before UART transmitter start
+ //e. set first empty) event of timer
+ NVIC_DisableIRQ(TIMER0_IRQn);
}
/******************************************************************************
** Function name: IntLatch_Init
@@ -376,24 +364,24 @@
**
** parameters: None
** Returned value: None
-**
+**
******************************************************************************/
-void IntLatch_Init()
+void IntLatch_Init()
{
- LPC_SC->PCONP |= (1<<23); //������� TIME3(������)
- //e. by default timer3 mode is not counter (T3CTCR[1,0]=0)
-
- LPC_SC->PCLKSEL1 &= SYNC_CLCK4; // ������� �������� ������� ����� CLCK/4
- LPC_SC->PCLKSEL1 |= (1<<14); // timer 3 input frequency equal to CLCK/4
-
+ LPC_SC->PCONP |= (1<<23); //включит TIME3(таймер)
+ //e. by default timer3 mode is not counter (T3CTCR[1,0]=0)
+
+ LPC_SC->PCLKSEL1 &= SYNC_CLCK4; // частота входного сигнала равна CLCK/4
+ LPC_SC->PCLKSEL1 |= (1<<14); // timer 3 input frequency equal to CLCK/4
+
// LPC_PINCON->PINSEL1 |= (3<<16); //e. CAP 3.1 is connected to P0.24
- //e. by default CAP3.0 is connected to timer3
- LPC_TIM3->PR = 0; //e. ���������� ������������ �������3 �� 0.
- LPC_TIM3->IR = 0x0001; //e. �������� ����� ����������.
- LPC_TIM3->MCR = MR0_RESET |MR0_INT_EN |MR0_NO_STOP; // ��������� ������ ���������� ������� ����������� ��� ���������� ������� � ��R.
- LPC_TIM3->CCR = 0x0001; //���������� �������� ����������� �� ������� ��������� ������ �������.
-
- NVIC_EnableIRQ(TIMER3_IRQn); //��������� ����������.
+ //e. by default CAP3.0 is connected to timer3
+ LPC_TIM3->PR = 0; //e. установить предделитель таймера3 на 0.
+ LPC_TIM3->IR = 0x0001; //e. очистить флаги прерываний.
+ LPC_TIM3->MCR = MR0_RESET |MR0_INT_EN |MR0_NO_STOP; // установка флагов прерываний которые выполняются при совпадении таймера и МСR.
+ LPC_TIM3->CCR = 0x0001; //содержимое счетчика загружается по приходу переднего фронта защелки.
+
+ NVIC_EnableIRQ(TIMER3_IRQn); //разрешить прерывания.
}
/*****************************************************************************
** Function name: WDTInit
@@ -405,21 +393,20 @@
** Returned value: true or false, return false if the VIC table
** is full and WDT interrupt handler can be
** installed.
-**
+**
*****************************************************************************/
uint32_t WDTInit( void )
{
- NVIC_DisableIRQ(WDT_IRQn);
+ NVIC_DisableIRQ(WDT_IRQn);
- LPC_WDT->TC = WDT_FEED_VALUE; // once WDEN is set, the WDT will start after feeding
- LPC_WDT->MOD = WDEN;
+ LPC_WDT->TC = WDT_FEED_VALUE; // once WDEN is set, the WDT will start after feeding
+ LPC_WDT->MOD = WDEN;
- LPC_WDT->FEED = 0xAA; // Feeding sequence
- LPC_WDT->FEED = 0x55;
-
- return 1;
+ LPC_WDT->FEED = 0xAA; // Feeding sequence
+ LPC_WDT->FEED = 0x55;
+
+ return 1;
}
/******************************************************************************
** End Of File
******************************************************************************/
-