PowLu/TencentOS-tiny
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update BH1750.c

Browse Source
This commit is contained in:
David Lin
2021-01-14 21:02:54 +08:00
committed by GitHub
parent 81d576b988
commit 53874f055d
1 changed files with 19 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
board/TencentOS_tiny_EVB_MX_Plus/BSP/Hardware/BH1750/BH1750.c
View File

@@ -9,10 +9,10 @@ int result;
/*************************************************************** /***************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Init_BH1750 * 函数名称: Init_BH1750
* ˵ <EFBFBD><EFBFBD>: д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>BH1750 * 说 明: 写命令初始化BH1750
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <20><> * 参 数: 无
* <EFBFBD><EFBFBD> <20><> ֵ: <20><> * 返 回 值: 无
***************************************************************/ ***************************************************************/
void Init_BH1750(void) void Init_BH1750(void)
{ {
@@ -21,10 +21,10 @@ void Init_BH1750(void)
} }
/*************************************************************** /***************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Start_BH1750 * 函数名称: Start_BH1750
* ˵ <EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD>BH1750 * 说 明: 启动BH1750
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <20><> * 参 数: 无
* <EFBFBD><EFBFBD> <20><> ֵ: <20><> * 返 回 值: 无
***************************************************************/ ***************************************************************/
void Start_BH1750(void) void Start_BH1750(void)
{ {
@@ -35,19 +35,19 @@ void Start_BH1750(void)
/*************************************************************** /***************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Convert_BH1750 * 函数名称: Convert_BH1750
* ˵ <EFBFBD><EFBFBD>: <20><>ֵת<D6B5><D7AA> * 说 明: 数值转换
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <20><> * 参 数: 无
* <EFBFBD><EFBFBD> <20><> ֵ: <20><>ǿֵ * 返 回 值: 光强值
***************************************************************/ ***************************************************************/
float Convert_BH1750(void) float Convert_BH1750(void)
{ {
Start_BH1750(); Start_BH1750();
HAL_Delay(180); HAL_Delay(180);
HAL_I2C_Master_Receive(&hi2c1, BH1750_Addr+1,BUF,2,0xff); HAL_I2C_Master_Receive(&hi2c1, BH1750_Addr+1,BUF,2,0xff);
result=BUF[0]; result=BUF[0];
result=(result<<8)+BUF[1]; //<EFBFBD>ϳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> result=(result<<8)+BUF[1]; //合成数据，即光照数据
result_lx=(float)(result/1.2); result_lx=(float)(result/1.2);
return result_lx; return result_lx;
} }