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C51 COMPILER V9.56.0.0 LIGHT 04/30/2022 20:06:41 PAGE 1 |
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C51 COMPILER V9.56.0.0, COMPILATION OF MODULE LIGHT |
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OBJECT MODULE PLACED IN Light.OBJ |
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COMPILER INVOKED BY: D:\Keil_v5\C51\BIN\C51.EXE Light.c OPTIMIZE(8,SPEED) BROWSE DEBUG OBJECTEXTEND TABS(2) |
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line level source |
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1 #ifndef __LIGHT_H_ |
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2 #define __LIGHT_H_ |
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3 |
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4 #include <REG51.H> |
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5 #include <math.h> //Keil library |
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6 #include <stdio.h> //Keil library |
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7 |
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8 |
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9 #define SlaveAddress 0x46 //定义器件在IIC总线中的从地址,根据ALT ADDRESS地址引脚不同修改 |
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10 //ALT ADDRESS引脚接地时地址为0x46，接电源时地址为0xB8 |
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11 |
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12 |
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13 sbit SCL=P1^0; //IIC时钟引脚定义 |
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14 sbit SDA=P1^1; //IIC数据引脚定义 |
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15 |
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16 |
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17 typedef unsigned short WORD; |
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18 |
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19 unsigned char BUF[8]; //接收数据缓存区 |
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20 |
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21 int dis_data; //变量 |
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22 |
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23 void delay_nms(unsigned int k); |
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24 void InitLcd(); |
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25 void Init_BH1750(void); |
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26 void WriteDataLCM(uchar dataW); |
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*** ERROR C141 IN LINE 26 OF Light.c: syntax error near 'dataW', expected ')' |
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27 void WriteCommandLCM(uchar CMD,uchar Attribc); |
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*** ERROR C141 IN LINE 27 OF Light.c: syntax error near 'CMD', expected ')' |
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28 void DisplayOneChar(uchar X,uchar Y,uchar DData); |
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*** ERROR C141 IN LINE 28 OF Light.c: syntax error near 'X', expected ')' |
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29 void conversion(uint temp_data); |
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*** ERROR C141 IN LINE 29 OF Light.c: syntax error near 'temp_data', expected ')' |
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30 |
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31 void Single_Write_BH1750(uchar REG_Address); //单个写入数据 |
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*** ERROR C141 IN LINE 31 OF Light.c: syntax error near 'REG_Address', expected ')' |
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32 uchar Single_Read_BH1750(uchar REG_Address); //单个读取内部寄存器数据 |
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*** ERROR C129 IN LINE 32 OF Light.c: missing ';' before 'Single_Read_BH1750' |
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33 void Multiple_Read_BH1750(); //连续的读取内部寄存器数据 |
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34 //------------------------------------ |
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35 void Delay5us(); |
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36 void Delay5ms(); |
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37 void BH1750_Start(); //起始信号 |
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38 void BH1750_Stop(); //停止信号 |
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39 void BH1750_SendACK(bit ack); //应答ACK |
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40 bit BH1750_RecvACK(); //读ack |
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41 void BH1750_Sendunsigned char(unsigned char dat); //IIC单个字节写 |
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42 unsigned char BH1750_Recvunsigned char(); //IIC单个字节读 |
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43 |
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44 |
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45 //----------------------------------- |
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46 |
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47 //********************************************************* |
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48 void conversion(uint temp_data) // 数据转换出 个，十，百，千，万 |
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49 { |
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C51 COMPILER V9.56.0.0 LIGHT 04/30/2022 20:06:41 PAGE 2 |
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50 wan=temp_data/10000+0x30 ; |
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51 temp_data=temp_data%10000; //取余运算 |
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52 qian=temp_data/1000+0x30 ; |
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53 temp_data=temp_data%1000; //取余运算 |
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54 bai=temp_data/100+0x30; |
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55 temp_data=temp_data%100; //取余运算 |
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56 shi=temp_data/10+0x30; |
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57 temp_data=temp_data%10; //取余运算 |
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58 ge=temp_data+0x30; |
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59 } |
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60 |
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61 //毫秒延时************************** |
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62 void delay_nms(unsigned int k) |
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63 { |
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64 unsigned int i,j; |
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65 for(i=0;i<k;i++) |
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66 { |
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67 for(j=0;j<121;j++) |
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68 {;}} |
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69 } |
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70 |
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71 /*******************************/ |
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72 void WaitForEnable(void) |
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73 { |
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74 DataPort=0xff; |
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75 LCM_RS=0;LCM_RW=1;_nop_(); |
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76 LCM_EN=1;_nop_();_nop_(); |
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77 while(DataPort&0x80); |
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78 LCM_EN=0; |
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79 } |
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80 /*******************************/ |
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81 void WriteCommandLCM(uchar CMD,uchar Attribc) |
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82 { |
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83 if(Attribc)WaitForEnable(); |
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84 LCM_RS=0;LCM_RW=0;_nop_(); |
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85 DataPort=CMD;_nop_(); |
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86 LCM_EN=1;_nop_();_nop_();LCM_EN=0; |
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87 } |
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88 /*******************************/ |
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89 void WriteDataLCM(uchar dataW) |
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90 { |
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91 WaitForEnable(); |
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92 LCM_RS=1;LCM_RW=0;_nop_(); |
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93 DataPort=dataW;_nop_(); |
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94 LCM_EN=1;_nop_();_nop_();LCM_EN=0; |
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95 } |
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96 /***********************************/ |
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97 void InitLcd() |
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98 { |
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99 WriteCommandLCM(0x38,1); |
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100 WriteCommandLCM(0x08,1); |
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101 WriteCommandLCM(0x01,1); |
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102 WriteCommandLCM(0x06,1); |
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103 WriteCommandLCM(0x0c,1); |
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104 } |
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105 /***********************************/ |
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106 void DisplayOneChar(uchar X,uchar Y,uchar DData) |
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107 { |
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108 Y&=1; |
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109 X&=15; |
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110 if(Y)X|=0x40; |
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111 X|=0x80; |
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C51 COMPILER V9.56.0.0 LIGHT 04/30/2022 20:06:41 PAGE 3 |
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112 WriteCommandLCM(X,0); |
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113 WriteDataLCM(DData); |
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114 } |
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115 |
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116 /************************************** |
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117 延时5微秒(STC90C52RC@12M) |
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118 不同的工作环境,需要调整此函数，注意时钟过快时需要修改 |
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119 当改用1T的MCU时,请调整此延时函数 |
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120 **************************************/ |
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121 void Delay5us() |
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122 { |
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123 _nop_();_nop_();_nop_();_nop_(); |
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124 _nop_();_nop_();_nop_();_nop_(); |
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125 _nop_();_nop_();_nop_();_nop_(); |
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126 _nop_();_nop_();_nop_();_nop_(); |
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127 } |
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128 |
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129 /************************************** |
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130 延时5毫秒(STC90C52RC@12M) |
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131 不同的工作环境,需要调整此函数 |
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132 当改用1T的MCU时,请调整此延时函数 |
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133 **************************************/ |
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134 void Delay5ms() |
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135 { |
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136 WORD n = 560; |
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137 |
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138 while (n--); |
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139 } |
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140 |
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141 /************************************** |
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142 起始信号 |
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143 **************************************/ |
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144 void BH1750_Start() |
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145 { |
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146 SDA = 1; //拉高数据线 |
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147 SCL = 1; //拉高时钟线 |
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148 Delay5us(); //延时 |
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149 SDA = 0; //产生下降沿 |
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150 Delay5us(); //延时 |
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151 SCL = 0; //拉低时钟线 |
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152 } |
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153 |
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154 /************************************** |
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155 停止信号 |
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156 **************************************/ |
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157 void BH1750_Stop() |
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158 { |
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159 SDA = 0; //拉低数据线 |
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160 SCL = 1; //拉高时钟线 |
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161 Delay5us(); //延时 |
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162 SDA = 1; //产生上升沿 |
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163 Delay5us(); //延时 |
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164 } |
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165 |
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166 /************************************** |
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167 发送应答信号 |
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168 入口参数:ack (0:ACK 1:NAK) |
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169 **************************************/ |
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170 void BH1750_SendACK(bit ack) |
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171 { |
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172 SDA = ack; //写应答信号 |
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173 SCL = 1; //拉高时钟线 |
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C51 COMPILER V9.56.0.0 LIGHT 04/30/2022 20:06:41 PAGE 4 |
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174 Delay5us(); //延时 |
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175 SCL = 0; //拉低时钟线 |
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176 Delay5us(); //延时 |
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177 } |
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178 |
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179 /************************************** |
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180 接收应答信号 |
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181 **************************************/ |
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182 bit BH1750_RecvACK() |
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183 { |
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184 SCL = 1; //拉高时钟线 |
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185 Delay5us(); //延时 |
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186 CY = SDA; //读应答信号 |
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187 SCL = 0; //拉低时钟线 |
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188 Delay5us(); //延时 |
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189 |
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190 return CY; |
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191 } |
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192 |
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193 /************************************** |
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194 向IIC总线发送一个字节数据 |
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195 **************************************/ |
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196 void BH1750_Sendunsigned char(unsigned char dat) |
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197 { |
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198 unsigned char i; |
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199 |
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200 for (i=0; i<8; i++) //8位计数器 |
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201 { |
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202 dat <<= 1; //移出数据的最高位 |
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203 SDA = CY; //送数据口 |
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204 SCL = 1; //拉高时钟线 |
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205 Delay5us(); //延时 |
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206 SCL = 0; //拉低时钟线 |
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207 Delay5us(); //延时 |
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208 } |
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209 BH1750_RecvACK(); |
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210 } |
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211 |
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212 /************************************** |
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213 从IIC总线接收一个字节数据 |
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214 **************************************/ |
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215 unsigned char BH1750_Recvunsigned char() |
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216 { |
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217 unsigned char i; |
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218 unsigned char dat = 0; |
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219 |
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220 SDA = 1; //使能内部上拉,准备读取数据, |
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221 for (i=0; i<8; i++) //8位计数器 |
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222 { |
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223 dat <<= 1; |
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224 SCL = 1; //拉高时钟线 |
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225 Delay5us(); //延时 |
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226 dat |= SDA; //读数据 |
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227 SCL = 0; //拉低时钟线 |
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228 Delay5us(); //延时 |
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229 } |
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230 return dat; |
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231 } |
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232 |
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233 //********************************* |
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234 |
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235 void Single_Write_BH1750(uchar REG_Address) |
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C51 COMPILER V9.56.0.0 LIGHT 04/30/2022 20:06:41 PAGE 5 |
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236 { |
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237 BH1750_Start(); //起始信号 |
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238 BH1750_Sendunsigned char(SlaveAddress); //发送设备地址+写信号 |
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239 BH1750_Sendunsigned char(REG_Address); //内部寄存器地址， |
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240 // BH1750_Sendunsigned char(REG_data); //内部寄存器数据， |
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241 BH1750_Stop(); //发送停止信号 |
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242 } |
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243 |
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244 //********单字节读取***************************************** |
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245 /* |
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246 uchar Single_Read_BH1750(uchar REG_Address) |
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247 { uchar REG_data; |
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248 BH1750_Start(); //起始信号 |
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249 BH1750_Sendunsigned char(SlaveAddress); //发送设备地址+写信号 |
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250 BH1750_Sendunsigned char(REG_Address); //发送存储单元地址，从0开始 |
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251 BH1750_Start(); //起始信号 |
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252 BH1750_Sendunsigned char(SlaveAddress+1); //发送设备地址+读信号 |
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253 REG_data=BH1750_Recvunsigned char(); //读出寄存器数据 |
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254 BH1750_SendACK(1); |
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255 BH1750_Stop(); //停止信号 |
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256 return REG_data; |
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257 } |
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258 */ |
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259 //********************************************************* |
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260 // |
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261 //连续读出BH1750内部数据 |
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262 // |
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263 //********************************************************* |
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264 void Multiple_read_BH1750(void) |
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265 |
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266 { uchar i; |
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267 BH1750_Start(); //起始信号 |
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268 BH1750_Sendunsigned char(SlaveAddress+1); //发送设备地址+读信号 |
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269 |
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270 for (i=0; i<3; i++) //连续读取2个地址数据，存储中BUF |
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271 { |
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272 BUF[i] = BH1750_Recvunsigned char(); //BUF[0]存储0x32地址中的数据 |
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273 if (i == 3) |
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274 { |
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275 |
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276 BH1750_SendACK(1); //最后一个数据需要回NOACK |
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277 } |
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278 else |
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279 { |
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280 BH1750_SendACK(0); //回应ACK |
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281 } |
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282 } |
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283 |
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284 BH1750_Stop(); //停止信号 |
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285 Delay5ms(); |
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286 } |
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287 |
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288 |
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289 //初始化BH1750，根据需要请参考pdf进行修改**** |
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290 void Init_BH1750() |
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291 { |
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292 Single_Write_BH1750(0x01); |
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293 |
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294 } |
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295 |
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296 |
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297 #endif |
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C51 COMPILER V9.56.0.0 LIGHT 04/30/2022 20:06:41 PAGE 6 |
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C51 COMPILATION COMPLETE. 0 WARNING(S), 6 ERROR(S)
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