100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
#include "regs_base.h"
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#include "irq_num.h"
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#include "sdrv_btm.h"
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#include "interface_config.h"
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//app包含
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#include "app/app_config.h"
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static sdrv_btm_t gstsdrv_btm_timer0;
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static sdrv_btm_t gstsdrv_btm_timer1;
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volatile uint8_t Btm10ms = 0;
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#define DEVICE_BASE(dev) _DEVICE_BASE(dev)
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#define _DEVICE_BASE(dev) APB_##dev##_BASE
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#define DEVICE_INTR(dev) _DEVICE_INTR(dev)
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#define _DEVICE_INTR(dev) dev##_INTR_NUM
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/*SDRV_BTM_G0时钟来源于APB clock, APB clock等于150MHz*/
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/*SDRV_BTM_G0分频之后，clock等于1M*/
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static sdrv_btm_cfg_t timer0_config = {
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.base = DEVICE_BASE(BTM2),
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.irq = DEVICE_INTR(BTM2_O_BTM),
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.tmr_id = SDRV_BTM_G0,
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.tmr_cfg = {
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.si_val = 74, /*输入时钟每(si_val + 1)cycle, G0计数器增加inc_val个*/
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.inc_val = 1,
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.frc_rld_rst_cnt_en = true, /*默认是true，表示初始化时是否对counter清零。*/
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.term_use_mode = SDRV_BTM_DIRECT, /*设置overflow值立即生效，而不是等到下一周期生效。*/
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.cmp_use_mode = SDRV_BTM_DIRECT, /*设置compare值立即生效，而不是等到下一周期生效。*/
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.cnt_dir = SDRV_BTM_CNT_UP, /*设置计数器的值是向上增长*/
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.cnt_mode = SDRV_BTM_CONTINOUS_MODE, /*设置计数器是连续模式*/
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}
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};
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/*SDRV_BTM_G1时钟来源于外部晶振，等于24MHz*/
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/*SDRV_BTM_G1分频之后，clock等于1M*/
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static sdrv_btm_cfg_t timer1_config = {
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.base = DEVICE_BASE(BTM2),
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.irq = DEVICE_INTR(BTM2_O_BTM),
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.tmr_id = SDRV_BTM_G1,
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.tmr_cfg = {
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.si_val = 23,
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.inc_val = 1,
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.frc_rld_rst_cnt_en = true,
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.term_use_mode = SDRV_BTM_DIRECT,
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.cmp_use_mode = SDRV_BTM_DIRECT,
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.cnt_dir = SDRV_BTM_CNT_UP,
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.cnt_mode = SDRV_BTM_CONTINOUS_MODE,
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}
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};
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//回调处理，10ms定时标志
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static void timer1_handle(void *arg)
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{
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static int timer1_count = 0;
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timer1_count++;
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if(timer1_count >= 100)
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{
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timer1_count = 0;
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Btm10ms = 1;
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}
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//app
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timerUpdateAll(); // 调用定时器更新函数
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}
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/*启用g1计数器*/
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int btm_init(void)
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{
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sdrv_btm_init(&gstsdrv_btm_timer1, &timer0_config);//定时器1初始化
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sdrv_btm_set_callback(&gstsdrv_btm_timer1, timer1_handle, &gstsdrv_btm_timer1);//设定回调函数
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sdrv_btm_start(&gstsdrv_btm_timer1, BTM_TYPE_PERIOD, BTM_TIME_US, 1000);//设定1000us定时
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sdrv_btm_init(&gstsdrv_btm_timer0, &timer1_config);//定时器0初始化
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sdrv_btm_start(&gstsdrv_btm_timer0, BTM_TYPE_PERIOD, BTM_TIME_MS, ~0);//设定1ms定时
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return 0;
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}
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//获取当前计数器时间,lwip用
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uint32_t current_time(void)
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{
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return sdrv_btm_get_current_time(&gstsdrv_btm_timer0) / 1000;
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}
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//获取当前计数器时间us
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uint32_t getCurrentTime(void)
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{
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return sdrv_btm_get_current_time(&gstsdrv_btm_timer0);
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}
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