From 4cdc4b3d488e15b1d6572bdcd61a2ce92d0c8c9b Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期五, 16 五月 2025 18:13:14 +0800
Subject: [PATCH] 成功分离2个测距功能
---
keil/include/drivers/mk_misc.c | 19 ++++++++++++++++++-
1 files changed, 18 insertions(+), 1 deletions(-)
diff --git a/keil/include/drivers/mk_misc.c b/keil/include/drivers/mk_misc.c
index 5fbbdb2..ef10f07 100644
--- a/keil/include/drivers/mk_misc.c
+++ b/keil/include/drivers/mk_misc.c
@@ -389,7 +389,24 @@
// reboot
reset_module(RESET_MODULE_REBOOT);
}
-
+void delay_US(uint32_t nTimer)
+{
+ uint32_t i=0;
+ for(i=0;i<nTimer;i++){
+ __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+ __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+ __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+ __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+ __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+ __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+ __NOP();__NOP();__NOP();__NOP();
+ }
+}
+void delay_ms(uint32_t nTimer)
+{
+ uint32_t i=1000*nTimer;
+ delay_US(i);
+}
void delay_us(uint32_t cnt)
{
#define SYSTEM_CLOCK_MHZ 62.4
--
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