From 367aa5722f83a17dcfe586726af74fef72db0081 Mon Sep 17 00:00:00 2001
From: zhangbo <zhangbo@qq.com>
Date: 星期四, 13 三月 2025 10:17:41 +0800
Subject: [PATCH] 协议未更改版本，测距550us 和帧间隔500us
---
keil/sn74hc595.c | 40 ++++++++++++++++++++--------------------
1 files changed, 20 insertions(+), 20 deletions(-)
diff --git a/keil/sn74hc595.c b/keil/sn74hc595.c
index 4dc9e9a..5cc0ab7 100644
--- a/keil/sn74hc595.c
+++ b/keil/sn74hc595.c
@@ -1,21 +1,21 @@
#include "sn74hc595.h"
-void IO_control_init(void)
-{
-//SDA->SER
- io_open_drain_set(SER_PIN, 0);
- io_pin_mux_set(SER_PIN,IO_FUNC0);//把原先io SDA变为普通GPIO
- gpio_pin_set_dir(SER_PIN , GPIO_DIR_OUT, 0);//复用原先GPIO引脚为SER
- io_pull_set(SER_PIN , IO_PULL_DOWN, IO_PULL_UP_LEVEL4);
-//SRCLK
- io_pin_mux_set(SRCLK_PIN,IO_FUNC0);
- gpio_pin_set_dir(SRCLK_PIN , GPIO_DIR_OUT, 0);
- io_pull_set(SRCLK_PIN , IO_PULL_DOWN, IO_PULL_UP_LEVEL4);
-//RCLK
- io_pin_mux_set(RCLK_PIN,IO_FUNC0);
- gpio_pin_set_dir(RCLK_PIN , GPIO_DIR_OUT, 0);
- io_pull_set(RCLK_PIN , IO_PULL_DOWN, IO_PULL_UP_LEVEL4);
-}
+//void IO_control_init(void)
+//{
+////SDA->SER
+// io_open_drain_set(SER_PIN, 0);
+// io_pin_mux_set(SER_PIN,IO_FUNC0);//把原先io SDA变为普通GPIO
+// gpio_pin_set_dir(SER_PIN , GPIO_DIR_OUT, 0);//复用原先GPIO引脚为SER
+// io_pull_set(SER_PIN , IO_PULL_DOWN, IO_PULL_UP_LEVEL4);
+////SRCLK
+// io_pin_mux_set(SRCLK_PIN,IO_FUNC0);
+// gpio_pin_set_dir(SRCLK_PIN , GPIO_DIR_OUT, 0);
+// io_pull_set(SRCLK_PIN , IO_PULL_DOWN, IO_PULL_UP_LEVEL4);
+////RCLK
+// io_pin_mux_set(RCLK_PIN,IO_FUNC0);
+// gpio_pin_set_dir(RCLK_PIN , GPIO_DIR_OUT, 0);
+// io_pull_set(RCLK_PIN , IO_PULL_DOWN, IO_PULL_UP_LEVEL4);
+//}
void IO_LED_control_change(uint8_t data)
{
@@ -25,12 +25,12 @@
SER_1;
else
SER_0;
- SRCLK_1;//将数据放入移位寄存器
- SRCLK_0;
+// SRCLK_1;//将数据放入移位寄存器
+// SRCLK_0;
data>>=1;
}
- RCLK_1;//将数据存入存储器并输出
- RCLK_0;
+// RCLK_1;//将数据存入存储器并输出
+// RCLK_0;
}
//高电平开启power，低电平关闭power
void gps_air780_power_change(uint8_t gps_state,uint8_t air_state)
--
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