// =============================================================================
// 函数功能:module_init_timer
// SHARC21469的GP timer初始化
// 输入参数:
// 输出参数:
// 返回值 :
// 说明 :
// =============================================================================
void GPTimer_ModuleInit(void)
{
struct tagTimerChip Sharc21469GPtimer;
Int_IsrConnect(cn_int_line_GPTMR0I,__GPTimer0_ISR);
Int_SettoAsynSignal(cn_int_line_GPTMR0I);
Int_ClearLine(cn_int_line_GPTMR0I); //清掉初始化产生的发送fifo空的中断
Int_RestoreAsynLine(cn_int_line_GPTMR0I);
Int_IsrConnect(cn_int_line_GPTMR1I,__GPTimer1_ISR);
Int_SettoAsynSignal(cn_int_line_GPTMR1I);
Int_ClearLine(cn_int_line_GPTMR1I); //清掉初始化产生的发送fifo空的中断
Int_RestoreAsynLine(cn_int_line_GPTMR1I);
*pTM0CTL = TIMODEPWM | PRDCNT | IRQEN; // configure the timer0
*pTM0W = 1; // timer0 width
*pTM1CTL = TIMODEPWM | PRDCNT | IRQEN; // configure the timer1
*pTM1W = 1; // timer1 width register
Sharc21469GPtimer.chipname = "SHARC21469GPTimer";
Sharc21469GPtimer.timerhardalloc = __GPTimer_Alloc;
Sharc21469GPtimer.timerhardfree = __GPTimer_Free;
Sharc21469GPtimer.timerhardctrl = __GPTimer_Ctrl;
TimerHard_RegisterChip(&Sharc21469GPtimer);
// =============下面代码仅做测试使用===================================
/*
struct tagGPTimerHandle *testTimer;
//step1:分配一个定时器
testTimer=__GPTimer_Alloc(30000000, __GPTimer0_ISR);
//step2:设置定时周期
// __GPTimer_SetCycle(testTimer, 30000000);
//step3:使能中断
__GPTimer_EnInt(testTimer);
//开始计数
__GPTimer_StartCount(testTimer);
*/
}
// =============================================================================
// 函数功能:module_init_timer
// P1020的PICtimer初始化
// 输入参数:
// 输出参数:
// 返回值 :
// 说明 :
// =============================================================================
void module_init_pictimer(void)
{
struct tagTimerChip p1020pictimer;
u32 temp;
//做基本的初始化
*((u32 *)cn_pic_timer_tcra) = cn_pic_timer_tcr_set;
temp = *((u32 *)cn_pic_timer_tcra);//sync
*((u32 *)cn_pic_timer_tcrb) = cn_pic_timer_tcr_set;
temp = *((u32 *)cn_pic_timer_tcrb);//sync
*((u32 *)cn_pic_timer_tfrra) = cfg_core_tb_clk; //same as the tb
temp = *((u32 *)cn_pic_timer_tfrra);
*((u32 *)cn_pic_timer_tfrrb) = cfg_core_tb_clk; //same as the tb
temp = *((u32 *)cn_pic_timer_tfrra);
//all the timers are disabled,not count
//initial the group a
for(temp =0; temp < cn_pic_timer_gnumber; temp++)
{
*((u32 *)(cn_pic_timer_gtbcra_base + temp * cn_pic_timer_gt_step)) = cn_pic_timer_msk;
}
//all the timers are disabled,not count
//initial the group b
for(temp =0; temp < cn_pic_timer_gnumber; temp++)
{
*((u32 *)(cn_pic_timer_gtbcrb_base + temp * cn_pic_timer_gt_step)) = cn_pic_timer_msk;
}
p1020pictimer.chipname = "P1020PICTIMER";
p1020pictimer.timerhardalloc = __P1020PicTimer_Alloc;
p1020pictimer.timerhardfree = __P1020PicTimer_Free;
p1020pictimer.timerhardctrl = __P1020PicTimer_Ctrl;
TimerHard_RegisterChip(&p1020pictimer);
return ;
}
// =============================================================================
// 函数功能:module_init_timer
// P1020的PICtimer初始化,timer时钟源为APB2 = CN_CFG_PCLK1 = 36M(timer234567)
// 输入参数:
// 输出参数:
// 返回值 :
// 说明 :
// =============================================================================
void ModuleInstall_HardTimer(void)
{
struct tagTimerChip STM32timer;
u32 temp;
pg_rcc_reg->APB1ENR |= (1<<4)|(1<<5);//时钟使能,timer6/7的使能位为比特4/5
//定时器TIM234567时钟源为低速外设时钟PCLK1，速度为36M
for(temp = 0; temp < CN_STM32TIMER_NUM; temp++)
{
tg_TIMER_Reg[temp]->CR1 &= ~(TIM_CR1_CEN_MASK); //禁止TIMER
tg_TIMER_Reg[temp]->CR1 |= TIM_CR1_ARPE_MASK;
tg_TIMER_Reg[temp]->DIER |= TIM_DIER_UIE_MASK;
tg_TIMER_Reg[temp]->PSC = 0x23;//配置为36，则一个时钟为1uS
tg_TIMER_Reg[temp]->ARR = 0xFFFF;
}
STM32timer.chipname = "STM32TIMER";
STM32timer.timerhardalloc = __STM32Timer_Alloc;
STM32timer.timerhardfree = __STM32Timer_Free;
STM32timer.timerhardctrl = __STM32Timer_Ctrl;
TimerHard_RegisterChip(&STM32timer);
return ;
}
