第一次上传E3boot

2025-08-22 09:18:17 +08:00
parent 17dcc44980
commit e248b10f07
16 changed files with 2715 additions and 0 deletions
--- a/btm_init.c
+++ b/btm_init.c
@@ -0,0 +1,104 @@
+#include "regs_base.h"
+#include "irq_num.h"
+#include "btm_init.h"
+
+
+static sdrv_btm_t gstsdrv_btm_timer0;
+sdrv_btm_t        gstsdrv_btm_timer1;
+
+volatile uint8_t Btm10ms = 0;
+volatile uint8_t Btm1ms = 0;
+
+
+#define DEVICE_BASE(dev) _DEVICE_BASE(dev)
+#define _DEVICE_BASE(dev) APB_##dev##_BASE
+
+#define DEVICE_INTR(dev) _DEVICE_INTR(dev)
+#define _DEVICE_INTR(dev) dev##_INTR_NUM
+
+
+
+/*SDRV_BTM_G0时钟来源于APB clock, APB clock等于150MHz*/
+/*SDRV_BTM_G0分频之后，clock等于1M*/
+static sdrv_btm_cfg_t timer0_config = {
+    .base = DEVICE_BASE(BTM2),
+    .irq = DEVICE_INTR(BTM2_O_BTM),
+    .tmr_id = SDRV_BTM_G0,
+    .tmr_cfg = {
+        .si_val = 74,                          /*输入时钟每(si_val + 1)cycle, G0计数器增加inc_val个*/
+        .inc_val = 1,
+        .frc_rld_rst_cnt_en = true,             /*默认是true，表示初始化时是否对counter清零。*/
+        .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。*/
+        .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。*/
+        .cnt_dir = SDRV_BTM_CNT_UP,             /*设置计数器的值是向上增长*/
+        .cnt_mode = SDRV_BTM_CONTINOUS_MODE,    /*设置计数器是连续模式*/
+    }
+};
+
+
+/*SDRV_BTM_G1时钟来源于外部晶振，等于24MHz*/
+/*SDRV_BTM_G1分频之后，clock等于1M*/
+static sdrv_btm_cfg_t timer1_config = {
+    .base = DEVICE_BASE(BTM2),
+    .irq = DEVICE_INTR(BTM2_O_BTM),
+    .tmr_id = SDRV_BTM_G1,
+    .tmr_cfg = {
+        .si_val = 23,
+        .inc_val = 1,
+        .frc_rld_rst_cnt_en = true,
+        .term_use_mode = SDRV_BTM_DIRECT,
+        .cmp_use_mode = SDRV_BTM_DIRECT,
+        .cnt_dir = SDRV_BTM_CNT_UP,
+        .cnt_mode = SDRV_BTM_CONTINOUS_MODE,
+    }
+};
+
+//回调处理，10ms定时标志
+static void timer1_handle(void *arg)
+{
+    static int timer1_count = 0;
+    timer1_count++;
+    
+    Btm1ms = 1;
+    
+    if(timer1_count >= 10)
+    {
+      timer1_count = 0;
+      Btm10ms = 1;          
+    }       
+}
+
+
+/*启用g1计数器*/
+int btm_init(void)
+{    
+    sdrv_btm_init(&gstsdrv_btm_timer1, &timer0_config);//定时器1初始化
+    sdrv_btm_set_callback(&gstsdrv_btm_timer1, timer1_handle, &gstsdrv_btm_timer1);//设定回调函数
+    sdrv_btm_start(&gstsdrv_btm_timer1, BTM_TYPE_PERIOD, BTM_TIME_US, 1000);//设定1000us定时
+            
+    sdrv_btm_init(&gstsdrv_btm_timer0, &timer1_config);//定时器0初始化
+    sdrv_btm_start(&gstsdrv_btm_timer0, BTM_TYPE_PERIOD, BTM_TIME_MS, ~0);//设定1ms定时
+    return 0;
+}
+
+//获取当前计数器时间,lwip用
+uint32_t current_time(void)
+{
+    return sdrv_btm_get_current_time(&gstsdrv_btm_timer0) / 1000;
+}
+
+//获取当前计数器时间us
+uint32_t getCurrentTime(void)
+{
+    return sdrv_btm_get_current_time(&gstsdrv_btm_timer0);
+}
+
+
+
+
+
+
+
+
+
+