huxi
72 lines
2.8 KiB
C
72 lines
2.8 KiB
C
#ifndef __GPTIMER_H__
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#define __GPTIMER_H__
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#include "typedef.h"
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#include "power/p11/p11_sfr.h"
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enum gptimerx {
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GPTIMER0 = 0,
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GPTIMER1,
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};
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#define P11_TIMER_MAX_NUM 2
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//以下宏定义给 p11_gptimer 驱动使用
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#define GPTIMER_PND_CLR (0b1<<14)
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#define GPTIMER_CLK_SRC_RC250K (0b0000<<10)
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#define GPTIMER_CLK_SRC_RC16M (0b0001<<10)
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#define GPTIMER_CLK_SRC_BTOSC_24M (0b0010<<10)
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#define GPTIMER_CLK_SRC_LRC (0b0011<<10)
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#define GPTIMER_CLK_SRC_RTC_OSC (0b0100<<10)
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#define GPTIMER_CLK_SRC_STD12M (0b0101<<10)
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#define GPTIMER_CLK_SRC_PATCLK (0b0110<<10)
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#define GPTIMER_CLK_SRC_TEST_CLK (0b0111<<10)
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#define GPTIMER_CLK_SRC_LRC_24M (0b1000<<10)
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#define GPTIMER_CLK_SRC_IO_MUXIN (0b1111<<10)
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#define GPTIMER_CLK_DIV_1 (0b0000<<4)
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#define GPTIMER_CLK_DIV_4 (0b0001<<4)
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#define GPTIMER_CLK_DIV_16 (0b0010<<4)
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#define GPTIMER_CLK_DIV_64 (0b0011<<4)
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#define GPTIMER_CLK_DIV_2 (0b0100<<4)
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#define GPTIMER_CLK_DIV_8 (0b0101<<4)
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#define GPTIMER_CLK_DIV_32 (0b0110<<4)
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#define GPTIMER_CLK_DIV_128 (0b0111<<4)
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#define GPTIMER_CLK_DIV_256 (0b1000<<4)
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#define GPTIMER_CLK_DIV_1024 (0b1001<<4)
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#define GPTIMER_CLK_DIV_4096 (0b1010<<4)
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#define GPTIMER_CLK_DIV_16384 (0b1011<<4)
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#define GPTIMER_CLK_DIV_512 (0b1100<<4)
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#define GPTIMER_CLK_DIV_2048 (0b1101<<4)
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#define GPTIMER_CLK_DIV_8192 (0b1110<<4)
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#define GPTIMER_CLK_DIV_32768 (0b1111<<4)
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#define GPTIMER_PWM_OUT_EN (0b1<<8)
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#define GPTIMER_TIMER_MODE (0b1<<0)
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#define GPTIMERx(TIMERx) (P11_GPTMR0 + TIMERx * (P11_GPTMR1 - P11_GPTMR0))
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#define GPTIMER_IRQ_INDEX(TIMERx) (IRQ_GP_TMR0_IDX + TIMERx)
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#define GPTIMER_START(TIMERx) (GPTIMERx(TIMERx)->CON |= GPTIMER_TIMER_MODE)
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#define GPTIMER_PAUSE(TIMERx) (GPTIMERx(TIMERx)->CON &= ~GPTIMER_TIMER_MODE)
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#define GPTIMER_EN_CHECK(TIMERx) (GPTIMERx(TIMERx)->CON & GPTIMER_TIMER_MODE)
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#define GPTIMER_PWM_EN(TIMERx) (GPTIMERx(TIMERx)->CON |= GPTIMER_PWM_OUT_EN)
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#define GPTIMER_CLR_PND(TIMERx) (GPTIMERx(TIMERx)->CON |= GPTIMER_PND_CLR)
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#define GPTIMER_CLK_SRC(x) (x) //MHz单位
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#define GPTIMER_CLK_DIV 2 // 右移两位 等效于 除以4
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#define GPTIMER_INIT(TIMERx, CLK_SRC) do{ \
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GPTIMERx(TIMERx)->CON = GPTIMER_PND_CLR|CLK_SRC|GPTIMER_CLK_DIV_4; \
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GPTIMERx(TIMERx)->PRD = 0; \
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GPTIMERx(TIMERx)->CNT = 0; \
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}while(0)
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#define GPTIMER_SET_PERIOD_US(TIMERx, period_us) (GPTIMERx(TIMERx)->PRD = ((period_us * GPTIMER_CLK_SRC(12)) >> GPTIMER_CLK_DIV) - 1)
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#define GPTIMER_GET_CNT(TIMERx) (GPTIMERx(TIMERx)->CNT)
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#define GPTIMER_SET_CNT(TIMERx, x) (GPTIMERx(TIMERx)->CNT = (x))
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#define GPTIMER_GET_PRD(TIMERx) (GPTIMERx(TIMERx)->PRD)
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#define GPTIMER_SET_PRD(TIMERx, x) (GPTIMERx(TIMERx)->PRD = (x) - 1)
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#endif
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