STC作为主机轮询扫描I2C设备，确认ICN6211工作状态。
This commit is contained in:
253
Listings/STARTUP.lst
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253
Listings/STARTUP.lst
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A51 MACRO ASSEMBLER STARTUP 04/10/2026 09:44:22 PAGE 1
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MACRO ASSEMBLER A51 V8.02c
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OBJECT MODULE PLACED IN .\Objects\STARTUP.obj
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ASSEMBLER INVOKED BY: C:\Keil_v5\C51\BIN\A51.EXE STARTUP.A51 SET(SMALL) DEBUG PRINT(.\Listings\STARTUP.lst) OBJECT(.\Obj
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ects\STARTUP.obj) EP
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LOC OBJ LINE SOURCE
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1 $nomod51
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2 ;------------------------------------------------------------------------------
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3 ; This file is part of the C51 Compiler package
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4 ; Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc.
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5 ; Version 8.01
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6 ;
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7 ; *** <<< Use Configuration Wizard in Context Menu >>> ***
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8 ;------------------------------------------------------------------------------
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9 ; STARTUP.A51: This code is executed after processor reset.
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10 ;
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11 ; To translate this file use A51 with the following invocation:
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12 ;
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13 ; A51 STARTUP.A51
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14 ;
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15 ; To link the modified STARTUP.OBJ file to your application use the following
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16 ; Lx51 invocation:
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17 ;
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18 ; Lx51 your object file list, STARTUP.OBJ controls
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19 ;
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20 ;------------------------------------------------------------------------------
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21 ;
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22 ; User-defined <h> Power-On Initialization of Memory
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23 ;
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24 ; With the following EQU statements the initialization of memory
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25 ; at processor reset can be defined:
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26 ;
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27 ; <o> IDATALEN: IDATA memory size <0x0-0x100>
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28 ; <i> Note: The absolute start-address of IDATA memory is always 0
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29 ; <i> The IDATA space overlaps physically the DATA and BIT areas.
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0080 30 IDATALEN EQU 80H
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31 ;
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32 ; <o> XDATASTART: XDATA memory start address <0x0-0xFFFF>
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33 ; <i> The absolute start address of XDATA memory
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0000 34 XDATASTART EQU 0
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35 ;
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36 ; <o> XDATALEN: XDATA memory size <0x0-0xFFFF>
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37 ; <i> The length of XDATA memory in bytes.
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0000 38 XDATALEN EQU 0
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39 ;
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40 ; <o> PDATASTART: PDATA memory start address <0x0-0xFFFF>
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41 ; <i> The absolute start address of PDATA memory
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0000 42 PDATASTART EQU 0H
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43 ;
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44 ; <o> PDATALEN: PDATA memory size <0x0-0xFF>
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45 ; <i> The length of PDATA memory in bytes.
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0000 46 PDATALEN EQU 0H
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47 ;
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48 ;</h>
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49 ;------------------------------------------------------------------------------
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50 ;
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51 ;<h> Reentrant Stack Initialization
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52 ;
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53 ; The following EQU statements define the stack pointer for reentrant
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54 ; functions and initialized it:
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55 ;
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56 ; <h> Stack Space for reentrant functions in the SMALL model.
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57 ; <q> IBPSTACK: Enable SMALL model reentrant stack
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A51 MACRO ASSEMBLER STARTUP 04/10/2026 09:44:22 PAGE 2
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58 ; <i> Stack space for reentrant functions in the SMALL model.
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0000 59 IBPSTACK EQU 0 ; set to 1 if small reentrant is used.
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60 ; <o> IBPSTACKTOP: End address of SMALL model stack <0x0-0xFF>
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61 ; <i> Set the top of the stack to the highest location.
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0100 62 IBPSTACKTOP EQU 0xFF +1 ; default 0FFH+1
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63 ; </h>
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64 ;
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65 ; <h> Stack Space for reentrant functions in the LARGE model.
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66 ; <q> XBPSTACK: Enable LARGE model reentrant stack
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67 ; <i> Stack space for reentrant functions in the LARGE model.
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0000 68 XBPSTACK EQU 0 ; set to 1 if large reentrant is used.
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69 ; <o> XBPSTACKTOP: End address of LARGE model stack <0x0-0xFFFF>
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70 ; <i> Set the top of the stack to the highest location.
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0000 71 XBPSTACKTOP EQU 0xFFFF +1 ; default 0FFFFH+1
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72 ; </h>
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73 ;
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74 ; <h> Stack Space for reentrant functions in the COMPACT model.
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75 ; <q> PBPSTACK: Enable COMPACT model reentrant stack
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76 ; <i> Stack space for reentrant functions in the COMPACT model.
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0000 77 PBPSTACK EQU 0 ; set to 1 if compact reentrant is used.
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78 ;
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79 ; <o> PBPSTACKTOP: End address of COMPACT model stack <0x0-0xFFFF>
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80 ; <i> Set the top of the stack to the highest location.
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0100 81 PBPSTACKTOP EQU 0xFF +1 ; default 0FFH+1
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82 ; </h>
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83 ;</h>
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84 ;------------------------------------------------------------------------------
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85 ;
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86 ; Memory Page for Using the Compact Model with 64 KByte xdata RAM
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87 ; <e>Compact Model Page Definition
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88 ;
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89 ; <i>Define the XDATA page used for PDATA variables.
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90 ; <i>PPAGE must conform with the PPAGE set in the linker invocation.
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91 ;
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92 ; Enable pdata memory page initalization
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0000 93 PPAGEENABLE EQU 0 ; set to 1 if pdata object are used.
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94 ;
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95 ; <o> PPAGE number <0x0-0xFF>
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96 ; <i> uppermost 256-byte address of the page used for PDATA variables.
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0000 97 PPAGE EQU 0
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98 ;
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99 ; <o> SFR address which supplies uppermost address byte <0x0-0xFF>
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100 ; <i> most 8051 variants use P2 as uppermost address byte
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00A0 101 PPAGE_SFR DATA 0A0H
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102 ;
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103 ; </e>
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104 ;------------------------------------------------------------------------------
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105
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106 ; Standard SFR Symbols
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00E0 107 ACC DATA 0E0H
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00F0 108 B DATA 0F0H
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0081 109 SP DATA 81H
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0082 110 DPL DATA 82H
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0083 111 DPH DATA 83H
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112
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113 NAME ?C_STARTUP
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114
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115
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116 ?C_C51STARTUP SEGMENT CODE
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117 ?STACK SEGMENT IDATA
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118
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---- 119 RSEG ?STACK
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0000 120 DS 1
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121
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122 EXTRN CODE (?C_START)
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123 PUBLIC ?C_STARTUP
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A51 MACRO ASSEMBLER STARTUP 04/10/2026 09:44:22 PAGE 3
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124
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---- 125 CSEG AT 0
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0000 020000 F 126 ?C_STARTUP: LJMP STARTUP1
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127
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---- 128 RSEG ?C_C51STARTUP
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129
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0000 130 STARTUP1:
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131
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132 IF IDATALEN <> 0
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0000 787F 133 MOV R0,#IDATALEN - 1
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0002 E4 134 CLR A
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0003 F6 135 IDATALOOP: MOV @R0,A
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0004 D8FD 136 DJNZ R0,IDATALOOP
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137 ENDIF
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138
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139 IF XDATALEN <> 0
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MOV DPTR,#XDATASTART
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MOV R7,#LOW (XDATALEN)
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IF (LOW (XDATALEN)) <> 0
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MOV R6,#(HIGH (XDATALEN)) +1
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ELSE
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MOV R6,#HIGH (XDATALEN)
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ENDIF
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CLR A
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XDATALOOP: MOVX @DPTR,A
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INC DPTR
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DJNZ R7,XDATALOOP
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DJNZ R6,XDATALOOP
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ENDIF
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153
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154 IF PPAGEENABLE <> 0
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MOV PPAGE_SFR,#PPAGE
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ENDIF
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157
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158 IF PDATALEN <> 0
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MOV R0,#LOW (PDATASTART)
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MOV R7,#LOW (PDATALEN)
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CLR A
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PDATALOOP: MOVX @R0,A
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INC R0
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DJNZ R7,PDATALOOP
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ENDIF
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166
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167 IF IBPSTACK <> 0
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EXTRN DATA (?C_IBP)
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MOV ?C_IBP,#LOW IBPSTACKTOP
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ENDIF
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172
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173 IF XBPSTACK <> 0
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EXTRN DATA (?C_XBP)
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MOV ?C_XBP,#HIGH XBPSTACKTOP
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MOV ?C_XBP+1,#LOW XBPSTACKTOP
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ENDIF
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179
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180 IF PBPSTACK <> 0
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EXTRN DATA (?C_PBP)
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MOV ?C_PBP,#LOW PBPSTACKTOP
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ENDIF
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184
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0006 758100 F 185 MOV SP,#?STACK-1
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186
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187 ; This code is required if you use L51_BANK.A51 with Banking Mode 4
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188 ;<h> Code Banking
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189 ; <q> Select Bank 0 for L51_BANK.A51 Mode 4
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A51 MACRO ASSEMBLER STARTUP 04/10/2026 09:44:22 PAGE 4
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190
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195 ;</h>
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0009 020000 F 196 LJMP ?C_START
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197
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198 END
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A51 MACRO ASSEMBLER STARTUP 04/10/2026 09:44:22 PAGE 5
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SYMBOL TABLE LISTING
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------ ----- -------
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N A M E T Y P E V A L U E ATTRIBUTES
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?C_C51STARTUP. . . C SEG 000CH REL=UNIT
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?C_START . . . . . C ADDR ----- EXT
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?C_STARTUP . . . . C ADDR 0000H A
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?STACK . . . . . . I SEG 0001H REL=UNIT
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ACC. . . . . . . . D ADDR 00E0H A
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B. . . . . . . . . D ADDR 00F0H A
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DPH. . . . . . . . D ADDR 0083H A
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DPL. . . . . . . . D ADDR 0082H A
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IBPSTACK . . . . . N NUMB 0000H A
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IBPSTACKTOP. . . . N NUMB 0100H A
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IDATALEN . . . . . N NUMB 0080H A
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IDATALOOP. . . . . C ADDR 0003H R SEG=?C_C51STARTUP
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PBPSTACK . . . . . N NUMB 0000H A
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PBPSTACKTOP. . . . N NUMB 0100H A
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PDATALEN . . . . . N NUMB 0000H A
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PDATASTART . . . . N NUMB 0000H A
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PPAGE. . . . . . . N NUMB 0000H A
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PPAGEENABLE. . . . N NUMB 0000H A
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PPAGE_SFR. . . . . D ADDR 00A0H A
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SP . . . . . . . . D ADDR 0081H A
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STARTUP1 . . . . . C ADDR 0000H R SEG=?C_C51STARTUP
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XBPSTACK . . . . . N NUMB 0000H A
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XBPSTACKTOP. . . . N NUMB 0000H A
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XDATALEN . . . . . N NUMB 0000H A
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XDATASTART . . . . N NUMB 0000H A
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REGISTER BANK(S) USED: 0
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ASSEMBLY COMPLETE. 0 WARNING(S), 0 ERROR(S)
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462
Listings/STC8G1K08_I2C_SCAN.m51
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462
Listings/STC8G1K08_I2C_SCAN.m51
Normal file
@ -0,0 +1,462 @@
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BL51 BANKED LINKER/LOCATER V6.22 04/10/2026 09:44:22 PAGE 1
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BL51 BANKED LINKER/LOCATER V6.22, INVOKED BY:
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C:\KEIL_V5\C51\BIN\BL51.EXE .\Objects\STARTUP.obj, .\Objects\main.obj TO .\Objects\STC8G1K08_I2C_SCAN PRINT (.\Listings\
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>> STC8G1K08_I2C_SCAN.m51) RAMSIZE (256)
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MEMORY MODEL: SMALL
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INPUT MODULES INCLUDED:
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.\Objects\STARTUP.obj (?C_STARTUP)
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.\Objects\main.obj (MAIN)
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C:\KEIL_V5\C51\LIB\C51S.LIB (?C_INIT)
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C:\KEIL_V5\C51\LIB\C51S.LIB (PRINTF)
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C:\KEIL_V5\C51\LIB\C51S.LIB (?C?CLDPTR)
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C:\KEIL_V5\C51\LIB\C51S.LIB (?C?CLDOPTR)
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C:\KEIL_V5\C51\LIB\C51S.LIB (?C?CSTPTR)
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C:\KEIL_V5\C51\LIB\C51S.LIB (?C?PLDIIDATA)
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C:\KEIL_V5\C51\LIB\C51S.LIB (?C?CCASE)
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LINK MAP OF MODULE: .\Objects\STC8G1K08_I2C_SCAN (?C_STARTUP)
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TYPE BASE LENGTH RELOCATION SEGMENT NAME
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-----------------------------------------------------
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* * * * * * * D A T A M E M O R Y * * * * * * *
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REG 0000H 0008H ABSOLUTE "REG BANK 0"
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DATA 0008H 0015H UNIT _DATA_GROUP_
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DATA 001DH 0001H UNIT ?DT?MAIN
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001EH 0002H *** GAP ***
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BIT 0020H.0 0001H.1 UNIT _BIT_GROUP_
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BIT 0021H.1 0000H.1 UNIT ?BI?MAIN
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0021H.2 0000H.6 *** GAP ***
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IDATA 0022H 0001H UNIT ?STACK
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* * * * * * * X D A T A M E M O R Y * * * * * * *
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XDATA 0000H 0080H UNIT ?XD?MAIN
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* * * * * * * C O D E M E M O R Y * * * * * * *
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CODE 0000H 0003H ABSOLUTE
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CODE 0003H 00B5H UNIT ?PR?UART_PRINTSCANRESULTS?MAIN
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CODE 00B8H 0008H UNIT ?PR?_PUTCHAR?MAIN
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00C0H 0003H *** GAP ***
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CODE 00C3H 0003H ABSOLUTE
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CODE 00C6H 035CH UNIT ?PR?PRINTF?PRINTF
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CODE 0422H 0156H UNIT ?CO?MAIN
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CODE 0578H 008EH UNIT ?C?LIB_CODE
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CODE 0606H 008CH UNIT ?C_C51STARTUP
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CODE 0692H 0072H UNIT ?PR?MAIN?MAIN
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CODE 0704H 002EH UNIT ?PR?I2C_SCANALLADDRESSES?MAIN
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CODE 0732H 0023H UNIT ?PR?_I2C_SCANADDRESS?MAIN
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CODE 0755H 0021H UNIT ?PR?I2C_ISR?MAIN
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CODE 0776H 0020H UNIT ?PR?_DELAY_MS?MAIN
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CODE 0796H 0017H UNIT ?PR?I2C_INIT?MAIN
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CODE 07ADH 0015H UNIT ?PR?UART1_INIT?MAIN
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CODE 07C2H 0011H UNIT ?PR?_I2C_SENDDATA?MAIN
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CODE 07D3H 000FH UNIT ?PR?I2C_WAIT?MAIN
|
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BL51 BANKED LINKER/LOCATER V6.22 04/10/2026 09:44:22 PAGE 2
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CODE 07E2H 000FH UNIT ?PR?DELAY5000MS?MAIN
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CODE 07F1H 000CH UNIT ?PR?I2C_START?MAIN
|
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CODE 07FDH 000CH UNIT ?PR?I2C_RECVACK?MAIN
|
||||
CODE 0809H 000CH UNIT ?PR?I2C_STOP?MAIN
|
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CODE 0815H 0004H UNIT ?C_INITSEG
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||||
|
||||
|
||||
|
||||
OVERLAY MAP OF MODULE: .\Objects\STC8G1K08_I2C_SCAN (?C_STARTUP)
|
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|
||||
|
||||
SEGMENT BIT_GROUP DATA_GROUP
|
||||
+--> CALLED SEGMENT START LENGTH START LENGTH
|
||||
--------------------------------------------------------------------------
|
||||
?C_C51STARTUP ----- ----- ----- -----
|
||||
+--> ?PR?MAIN?MAIN
|
||||
+--> ?C_INITSEG
|
||||
|
||||
?PR?MAIN?MAIN ----- ----- ----- -----
|
||||
+--> ?PR?I2C_INIT?MAIN
|
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+--> ?PR?UART1_INIT?MAIN
|
||||
+--> ?CO?MAIN
|
||||
+--> ?PR?PRINTF?PRINTF
|
||||
+--> ?PR?_DELAY_MS?MAIN
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||||
+--> ?PR?I2C_SCANALLADDRESSES?MAIN
|
||||
+--> ?PR?UART_PRINTSCANRESULTS?MAIN
|
||||
+--> ?PR?DELAY5000MS?MAIN
|
||||
|
||||
?PR?PRINTF?PRINTF 0020H.0 0001H.1 0009H 0014H
|
||||
+--> ?PR?_PUTCHAR?MAIN
|
||||
|
||||
?PR?I2C_SCANALLADDRESSES?MAIN ----- ----- ----- -----
|
||||
+--> ?PR?_I2C_SCANADDRESS?MAIN
|
||||
+--> ?PR?_DELAY_MS?MAIN
|
||||
|
||||
?PR?_I2C_SCANADDRESS?MAIN 0020H.0 0000H.1 ----- -----
|
||||
+--> ?PR?I2C_START?MAIN
|
||||
+--> ?PR?_I2C_SENDDATA?MAIN
|
||||
+--> ?PR?I2C_RECVACK?MAIN
|
||||
+--> ?PR?I2C_STOP?MAIN
|
||||
|
||||
?PR?UART_PRINTSCANRESULTS?MAIN ----- ----- 0008H 0001H
|
||||
+--> ?CO?MAIN
|
||||
+--> ?PR?PRINTF?PRINTF
|
||||
|
||||
|
||||
|
||||
SYMBOL TABLE OF MODULE: .\Objects\STC8G1K08_I2C_SCAN (?C_STARTUP)
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||||
|
||||
VALUE TYPE NAME
|
||||
----------------------------------
|
||||
|
||||
------- MODULE ?C_STARTUP
|
||||
C:0606H SEGMENT ?C_C51STARTUP
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||||
I:0022H SEGMENT ?STACK
|
||||
C:0000H PUBLIC ?C_STARTUP
|
||||
D:00E0H SYMBOL ACC
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||||
BL51 BANKED LINKER/LOCATER V6.22 04/10/2026 09:44:22 PAGE 3
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||||
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||||
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||||
D:00F0H SYMBOL B
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||||
D:0083H SYMBOL DPH
|
||||
D:0082H SYMBOL DPL
|
||||
N:0000H SYMBOL IBPSTACK
|
||||
N:0100H SYMBOL IBPSTACKTOP
|
||||
N:0080H SYMBOL IDATALEN
|
||||
C:0609H SYMBOL IDATALOOP
|
||||
N:0000H SYMBOL PBPSTACK
|
||||
N:0100H SYMBOL PBPSTACKTOP
|
||||
N:0000H SYMBOL PDATALEN
|
||||
N:0000H SYMBOL PDATASTART
|
||||
N:0000H SYMBOL PPAGE
|
||||
N:0000H SYMBOL PPAGEENABLE
|
||||
D:00A0H SYMBOL PPAGE_SFR
|
||||
D:0081H SYMBOL SP
|
||||
C:0606H SYMBOL STARTUP1
|
||||
N:0000H SYMBOL XBPSTACK
|
||||
N:0000H SYMBOL XBPSTACKTOP
|
||||
N:0000H SYMBOL XDATALEN
|
||||
N:0000H SYMBOL XDATASTART
|
||||
C:0000H LINE# 126
|
||||
C:0606H LINE# 133
|
||||
C:0608H LINE# 134
|
||||
C:0609H LINE# 135
|
||||
C:060AH LINE# 136
|
||||
C:060CH LINE# 185
|
||||
C:060FH LINE# 196
|
||||
------- ENDMOD ?C_STARTUP
|
||||
|
||||
------- MODULE MAIN
|
||||
C:0000H SYMBOL _ICE_DUMMY_
|
||||
D:0092H PUBLIC P1M0
|
||||
D:0091H PUBLIC P1M1
|
||||
D:0090H PUBLIC P1
|
||||
C:07FDH PUBLIC I2C_RecvACK
|
||||
B:00A8H.7 PUBLIC EA
|
||||
C:07ADH PUBLIC uart1_init
|
||||
D:00BAH PUBLIC P_SW2
|
||||
C:07E2H PUBLIC Delay5000ms
|
||||
B:0098H.1 PUBLIC TI
|
||||
C:0692H PUBLIC main
|
||||
C:07C2H PUBLIC _I2C_SendData
|
||||
C:0003H PUBLIC UART_PrintScanResults
|
||||
C:07F1H PUBLIC I2C_Start
|
||||
D:0099H PUBLIC SBUF
|
||||
C:0776H PUBLIC _Delay_ms
|
||||
D:001DH PUBLIC scan_count
|
||||
D:0098H PUBLIC SCON
|
||||
C:0796H PUBLIC I2C_Init
|
||||
C:07D3H PUBLIC I2C_Wait
|
||||
D:008EH PUBLIC AUXR
|
||||
B:0021H.1 PUBLIC busy
|
||||
C:0809H PUBLIC I2C_Stop
|
||||
C:0755H PUBLIC I2C_Isr
|
||||
D:00D6H PUBLIC T2H
|
||||
D:00D7H PUBLIC T2L
|
||||
B:0090H.2 PUBLIC LED
|
||||
BL51 BANKED LINKER/LOCATER V6.22 04/10/2026 09:44:22 PAGE 4
|
||||
|
||||
|
||||
X:0000H PUBLIC i2c_scan_buffer
|
||||
C:0704H PUBLIC I2C_ScanAllAddresses
|
||||
C:0732H PUBLIC _I2C_ScanAddress
|
||||
C:00B8H PUBLIC _putchar
|
||||
------- PROC I2C_ISR
|
||||
C:0755H LINE# 50
|
||||
C:075BH LINE# 52
|
||||
C:075DH LINE# 53
|
||||
C:0760H LINE# 54
|
||||
C:0767H LINE# 55
|
||||
C:0767H LINE# 56
|
||||
C:076BH LINE# 57
|
||||
C:076DH LINE# 58
|
||||
C:076DH LINE# 59
|
||||
C:076FH LINE# 60
|
||||
------- ENDPROC I2C_ISR
|
||||
------- PROC _DELAY_MS
|
||||
D:0006H SYMBOL ms
|
||||
------- DO
|
||||
D:0004H SYMBOL i
|
||||
D:0002H SYMBOL j
|
||||
------- ENDDO
|
||||
C:0776H LINE# 67
|
||||
C:0776H LINE# 68
|
||||
C:0776H LINE# 70
|
||||
C:0780H LINE# 71
|
||||
C:0780H LINE# 72
|
||||
C:078EH LINE# 73
|
||||
C:0795H LINE# 74
|
||||
------- ENDPROC _DELAY_MS
|
||||
------- PROC I2C_WAIT
|
||||
C:07D3H LINE# 79
|
||||
C:07D3H LINE# 80
|
||||
C:07D3H LINE# 81
|
||||
C:07DAH LINE# 82
|
||||
C:07E1H LINE# 83
|
||||
------- ENDPROC I2C_WAIT
|
||||
------- PROC I2C_START
|
||||
C:07F1H LINE# 88
|
||||
C:07F1H LINE# 89
|
||||
C:07F1H LINE# 90
|
||||
C:07F3H LINE# 91
|
||||
C:07F9H LINE# 92
|
||||
C:07FCH LINE# 93
|
||||
------- ENDPROC I2C_START
|
||||
------- PROC _I2C_SENDDATA
|
||||
D:0007H SYMBOL dat
|
||||
C:07C2H LINE# 99
|
||||
C:07C2H LINE# 100
|
||||
C:07C2H LINE# 101
|
||||
C:07C7H LINE# 102
|
||||
C:07C9H LINE# 103
|
||||
C:07CFH LINE# 104
|
||||
C:07D2H LINE# 105
|
||||
------- ENDPROC _I2C_SENDDATA
|
||||
------- PROC I2C_RECVACK
|
||||
C:07FDH LINE# 110
|
||||
BL51 BANKED LINKER/LOCATER V6.22 04/10/2026 09:44:22 PAGE 5
|
||||
|
||||
|
||||
C:07FDH LINE# 111
|
||||
C:07FDH LINE# 112
|
||||
C:07FFH LINE# 113
|
||||
C:0805H LINE# 114
|
||||
C:0808H LINE# 115
|
||||
------- ENDPROC I2C_RECVACK
|
||||
------- PROC I2C_STOP
|
||||
C:0809H LINE# 120
|
||||
C:0809H LINE# 121
|
||||
C:0809H LINE# 122
|
||||
C:080BH LINE# 123
|
||||
C:0811H LINE# 124
|
||||
C:0814H LINE# 125
|
||||
------- ENDPROC I2C_STOP
|
||||
------- PROC I2C_INIT
|
||||
C:0796H LINE# 131
|
||||
C:0796H LINE# 132
|
||||
C:0796H LINE# 134
|
||||
C:0799H LINE# 135
|
||||
C:079CH LINE# 138
|
||||
C:079FH LINE# 146
|
||||
C:07A5H LINE# 149
|
||||
C:07AAH LINE# 152
|
||||
C:07ACH LINE# 153
|
||||
------- ENDPROC I2C_INIT
|
||||
------- PROC _I2C_SCANADDRESS
|
||||
D:0007H SYMBOL addr
|
||||
------- DO
|
||||
B:0020H.0 SYMBOL ack_received
|
||||
------- ENDDO
|
||||
C:0732H LINE# 164
|
||||
C:0732H LINE# 165
|
||||
C:0732H LINE# 166
|
||||
C:0734H LINE# 169
|
||||
C:0737H LINE# 170
|
||||
C:0737H LINE# 171
|
||||
C:0739H LINE# 172
|
||||
C:0739H LINE# 174
|
||||
C:073CH LINE# 175
|
||||
C:0743H LINE# 176
|
||||
C:0746H LINE# 179
|
||||
C:074DH LINE# 180
|
||||
C:074DH LINE# 181
|
||||
C:074FH LINE# 182
|
||||
C:074FH LINE# 184
|
||||
C:0752H LINE# 186
|
||||
C:0754H LINE# 187
|
||||
------- ENDPROC _I2C_SCANADDRESS
|
||||
------- PROC I2C_SCANALLADDRESSES
|
||||
------- DO
|
||||
D:0001H SYMBOL i
|
||||
------- ENDDO
|
||||
C:0704H LINE# 193
|
||||
C:0704H LINE# 194
|
||||
C:0704H LINE# 196
|
||||
C:0707H LINE# 199
|
||||
C:0708H LINE# 200
|
||||
BL51 BANKED LINKER/LOCATER V6.22 04/10/2026 09:44:22 PAGE 6
|
||||
|
||||
|
||||
C:0708H LINE# 201
|
||||
C:070FH LINE# 202
|
||||
C:070FH LINE# 204
|
||||
C:0716H LINE# 205
|
||||
C:0716H LINE# 206
|
||||
C:0726H LINE# 207
|
||||
C:0726H LINE# 208
|
||||
C:072DH LINE# 209
|
||||
C:072DH LINE# 210
|
||||
C:0731H LINE# 211
|
||||
------- ENDPROC I2C_SCANALLADDRESSES
|
||||
------- PROC UART1_INIT
|
||||
C:07ADH LINE# 217
|
||||
C:07ADH LINE# 218
|
||||
C:07ADH LINE# 219
|
||||
C:07B0H LINE# 220
|
||||
C:07B3H LINE# 221
|
||||
C:07B6H LINE# 222
|
||||
C:07B9H LINE# 223
|
||||
C:07BCH LINE# 224
|
||||
C:07BFH LINE# 225
|
||||
C:07C1H LINE# 226
|
||||
------- ENDPROC UART1_INIT
|
||||
------- PROC _PUTCHAR
|
||||
D:0007H SYMBOL c
|
||||
C:00B8H LINE# 233
|
||||
C:00B8H LINE# 234
|
||||
C:00B8H LINE# 235
|
||||
C:00BAH LINE# 236
|
||||
C:00BDH LINE# 237
|
||||
C:00BFH LINE# 238
|
||||
C:00BFH LINE# 239
|
||||
------- ENDPROC _PUTCHAR
|
||||
------- PROC UART_PRINTSCANRESULTS
|
||||
------- DO
|
||||
D:0008H SYMBOL i
|
||||
------- ENDDO
|
||||
C:0003H LINE# 245
|
||||
C:0003H LINE# 246
|
||||
C:0003H LINE# 249
|
||||
C:000CH LINE# 252
|
||||
C:0016H LINE# 253
|
||||
C:0016H LINE# 254
|
||||
C:001FH LINE# 255
|
||||
C:0029H LINE# 256
|
||||
C:0029H LINE# 257
|
||||
C:0040H LINE# 258
|
||||
C:0047H LINE# 259
|
||||
C:0047H LINE# 260
|
||||
C:0050H LINE# 261
|
||||
C:0050H LINE# 262
|
||||
C:0054H LINE# 263
|
||||
C:005DH LINE# 264
|
||||
C:0066H LINE# 265
|
||||
C:0070H LINE# 266
|
||||
C:0070H LINE# 267
|
||||
C:008AH LINE# 268
|
||||
BL51 BANKED LINKER/LOCATER V6.22 04/10/2026 09:44:22 PAGE 7
|
||||
|
||||
|
||||
C:0091H LINE# 269
|
||||
C:0091H LINE# 270
|
||||
C:009AH LINE# 271
|
||||
C:009AH LINE# 272
|
||||
C:009EH LINE# 273
|
||||
C:00A4H LINE# 274
|
||||
C:00A6H LINE# 276
|
||||
C:00A6H LINE# 277
|
||||
C:00AFH LINE# 278
|
||||
C:00AFH LINE# 279
|
||||
------- ENDPROC UART_PRINTSCANRESULTS
|
||||
------- PROC DELAY5000MS
|
||||
------- DO
|
||||
D:0007H SYMBOL i
|
||||
D:0006H SYMBOL j
|
||||
D:0005H SYMBOL k
|
||||
------- ENDDO
|
||||
C:07E2H LINE# 284
|
||||
C:07E2H LINE# 285
|
||||
C:07E2H LINE# 288
|
||||
C:07E3H LINE# 289
|
||||
C:07E4H LINE# 290
|
||||
C:07E6H LINE# 291
|
||||
C:07E8H LINE# 292
|
||||
C:07EAH LINE# 294
|
||||
C:07EAH LINE# 296
|
||||
C:07EAH LINE# 297
|
||||
C:07ECH LINE# 298
|
||||
C:07EEH LINE# 299
|
||||
C:07F0H LINE# 300
|
||||
------- ENDPROC DELAY5000MS
|
||||
------- PROC MAIN
|
||||
C:0692H LINE# 305
|
||||
C:0692H LINE# 306
|
||||
C:0692H LINE# 308
|
||||
C:0695H LINE# 309
|
||||
C:0698H LINE# 311
|
||||
C:069AH LINE# 314
|
||||
C:06A3H LINE# 315
|
||||
C:06ACH LINE# 316
|
||||
C:06B5H LINE# 317
|
||||
C:06BEH LINE# 318
|
||||
C:06C7H LINE# 319
|
||||
C:06D0H LINE# 320
|
||||
C:06D9H LINE# 323
|
||||
C:06D9H LINE# 324
|
||||
C:06D9H LINE# 326
|
||||
C:06DBH LINE# 327
|
||||
C:06E2H LINE# 328
|
||||
C:06E4H LINE# 330
|
||||
C:06EDH LINE# 331
|
||||
C:06F0H LINE# 332
|
||||
C:06F9H LINE# 334
|
||||
C:06FCH LINE# 336
|
||||
C:06FFH LINE# 338
|
||||
C:0702H LINE# 339
|
||||
------- ENDPROC MAIN
|
||||
BL51 BANKED LINKER/LOCATER V6.22 04/10/2026 09:44:22 PAGE 8
|
||||
|
||||
|
||||
------- ENDMOD MAIN
|
||||
|
||||
------- MODULE PRINTF
|
||||
D:0009H PUBLIC ?_PRINTF517?BYTE
|
||||
D:0009H PUBLIC ?_PRINTF?BYTE
|
||||
D:0009H PUBLIC ?_SPRINTF517?BYTE
|
||||
D:0009H PUBLIC ?_SPRINTF?BYTE
|
||||
C:0128H PUBLIC _PRINTF
|
||||
C:0128H PUBLIC _PRINTF517
|
||||
C:0122H PUBLIC _SPRINTF
|
||||
C:0122H PUBLIC _SPRINTF517
|
||||
------- ENDMOD PRINTF
|
||||
|
||||
------- MODULE ?C?CLDPTR
|
||||
C:0578H PUBLIC ?C?CLDPTR
|
||||
------- ENDMOD ?C?CLDPTR
|
||||
|
||||
------- MODULE ?C?CLDOPTR
|
||||
C:0591H PUBLIC ?C?CLDOPTR
|
||||
------- ENDMOD ?C?CLDOPTR
|
||||
|
||||
------- MODULE ?C?CSTPTR
|
||||
C:05BEH PUBLIC ?C?CSTPTR
|
||||
------- ENDMOD ?C?CSTPTR
|
||||
|
||||
------- MODULE ?C?PLDIIDATA
|
||||
C:05D0H PUBLIC ?C?PLDIIDATA
|
||||
------- ENDMOD ?C?PLDIIDATA
|
||||
|
||||
------- MODULE ?C?CCASE
|
||||
C:05E0H PUBLIC ?C?CCASE
|
||||
------- ENDMOD ?C?CCASE
|
||||
|
||||
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
|
||||
SEGMENT: ?PR?I2C_WAIT?MAIN
|
||||
|
||||
Program Size: data=32.2 xdata=128 code=2070
|
||||
LINK/LOCATE RUN COMPLETE. 1 WARNING(S), 0 ERROR(S)
|
||||
374
Listings/main.lst
Normal file
374
Listings/main.lst
Normal file
@ -0,0 +1,374 @@
|
||||
C51 COMPILER V9.55 MAIN 04/10/2026 09:44:22 PAGE 1
|
||||
|
||||
|
||||
C51 COMPILER V9.55, COMPILATION OF MODULE MAIN
|
||||
OBJECT MODULE PLACED IN .\Objects\main.obj
|
||||
COMPILER INVOKED BY: C:\Keil_v5\C51\BIN\C51.EXE main.c OPTIMIZE(8,SPEED) BROWSE DEBUG OBJECTEXTEND PRINT(.\Listings\main
|
||||
-.lst) TABS(2) OBJECT(.\Objects\main.obj)
|
||||
|
||||
line level source
|
||||
|
||||
1 /*
|
||||
2 * 文件名: main.c
|
||||
3 * 功能: STC8G1K08 I2C设备扫描器
|
||||
4 * 描述:
|
||||
5 * 1. 作为I2C主机扫描所有7位地址0x00-0x7F，接收并记录所有应答
|
||||
6 * 2. 每5秒自动进行一次扫描
|
||||
7 * 3. 每次扫描完成后通过UART输出所有应答地址
|
||||
8 * 芯片: STC8G1K08
|
||||
9 * 系统时钟: 11.0592MHz
|
||||
10 */
|
||||
11
|
||||
12 #include "reg51.h"
|
||||
13 #include "intrins.h"
|
||||
14 #include <stdio.h>
|
||||
15
|
||||
16 /* 定义STC8G专用寄存器 */
|
||||
17 sfr P_SW2 = 0xba; // 端口切换寄存器
|
||||
18 sfr AUXR = 0x8e; // 辅助寄存器
|
||||
19 sfr T2L = 0xd7; // 定时器2低字节
|
||||
20 sfr T2H = 0xd6; // 定时器2高字节
|
||||
21
|
||||
22 /* 定义I2C相关寄存器（使用xdata指针访问扩展SFR） */
|
||||
23 #define I2CCFG (*(unsigned char volatile xdata *)0xfe80) // I2C配置寄存器
|
||||
24 #define I2CMSCR (*(unsigned char volatile xdata *)0xfe81) // I2C主机控制寄存器
|
||||
25 #define I2CMSST (*(unsigned char volatile xdata *)0xfe82) // I2C主机状态寄存器
|
||||
26 #define I2CSLCR (*(unsigned char volatile xdata *)0xfe83) // I2C从机控制寄存器
|
||||
27 #define I2CSLST (*(unsigned char volatile xdata *)0xfe84) // I2C从机状态寄存器
|
||||
28 #define I2CSLADR (*(unsigned char volatile xdata *)0xfe85) // I2C从机地址寄存器
|
||||
29 #define I2CTXD (*(unsigned char volatile xdata *)0xfe86) // I2C数据发送寄存器
|
||||
30 #define I2CRXD (*(unsigned char volatile xdata *)0xfe87) // I2C数据接收寄存器
|
||||
31
|
||||
32 /* 定义端口模式寄存器 */
|
||||
33 sfr P1M1 = 0x91; // P1模式配置寄存器1
|
||||
34 sfr P1M0 = 0x92; // P1模式配置寄存器0
|
||||
35
|
||||
36 /* 定义I2C引脚 */
|
||||
37 sbit SDA = P1^4; // I2C数据线
|
||||
38 sbit SCL = P1^5; // I2C时钟线
|
||||
39
|
||||
40 /* 定义LED引脚 */
|
||||
41 sbit LED = P1^2; // 状态指示LED
|
||||
42
|
||||
43 /* 全局变量 */
|
||||
44 bit busy; // I2C忙碌标志位
|
||||
45
|
||||
46 /**
|
||||
47 * @brief I2C中断服务函数
|
||||
48 * @note 用于处理I2C通信完成事件
|
||||
49 */
|
||||
50 void I2C_Isr() interrupt 24 // 关键修复：中断号从24改为7
|
||||
51 {
|
||||
52 1 _push_(P_SW2); // 保存P_SW2寄存器
|
||||
53 1 P_SW2 |= 0x80; // 访问扩展寄存器
|
||||
54 1 if (I2CMSST & 0x40) // 检查中断标志位（BIT6: 主机操作完成）
|
||||
C51 COMPILER V9.55 MAIN 04/10/2026 09:44:22 PAGE 2
|
||||
|
||||
55 1 {
|
||||
56 2 I2CMSST &= ~0x40; // 清除中断标志
|
||||
57 2 busy = 0; // 清除忙碌标志
|
||||
58 2 }
|
||||
59 1 _pop_(P_SW2); // 恢复P_SW2寄存器
|
||||
60 1 }
|
||||
61
|
||||
62 /**
|
||||
63 * @brief 延时函数
|
||||
64 * @param ms 延时毫秒数
|
||||
65 * @note 系统时钟11.0592MHz
|
||||
66 */
|
||||
67 void Delay_ms(unsigned int ms)
|
||||
68 {
|
||||
69 1 unsigned int i, j;
|
||||
70 1 for (i = 0; i < ms; i++)
|
||||
71 1 {
|
||||
72 2 for (j = 0; j < 1100; j++); // 修正延时参数，更准确的1ms
|
||||
73 2 }
|
||||
74 1 }
|
||||
75
|
||||
76 /**
|
||||
77 * @brief 等待I2C操作完成
|
||||
78 */
|
||||
79 void I2C_Wait()
|
||||
80 {
|
||||
81 1 while(!(I2CMSST & 0x40)); // 等待中断标志置位
|
||||
82 1 I2CMSST &= ~0x40; // 清除中断标志
|
||||
83 1 }
|
||||
84
|
||||
85 /**
|
||||
86 * @brief 发送I2C起始信号
|
||||
87 */
|
||||
88 void I2C_Start()
|
||||
89 {
|
||||
90 1 busy = 1; // 设置忙碌标志
|
||||
91 1 I2CMSCR = 0x81; // 发送START命令（0x80=主机模式，0x01=START）
|
||||
92 1 while (busy); // 等待操作完成
|
||||
93 1 }
|
||||
94
|
||||
95 /**
|
||||
96 * @brief 发送I2C数据
|
||||
97 * @param dat 要发送的数据
|
||||
98 */
|
||||
99 void I2C_SendData(unsigned char dat)
|
||||
100 {
|
||||
101 1 I2CTXD = dat; // 写数据到发送缓冲区
|
||||
102 1 busy = 1; // 设置忙碌标志
|
||||
103 1 I2CMSCR = 0x82; // 发送SEND命令（0x80=主机模式，0x02=SEND）
|
||||
104 1 while (busy); // 等待操作完成
|
||||
105 1 }
|
||||
106
|
||||
107 /**
|
||||
108 * @brief 接收I2C应答信号
|
||||
109 */
|
||||
110 void I2C_RecvACK()
|
||||
111 {
|
||||
112 1 busy = 1; // 设置忙碌标志
|
||||
113 1 I2CMSCR = 0x83; // 发送读ACK命令（0x80=主机模式，0x03=RECV ACK）
|
||||
114 1 while (busy); // 等待操作完成
|
||||
115 1 }
|
||||
116
|
||||
C51 COMPILER V9.55 MAIN 04/10/2026 09:44:22 PAGE 3
|
||||
|
||||
117 /**
|
||||
118 * @brief 发送I2C停止信号
|
||||
119 */
|
||||
120 void I2C_Stop()
|
||||
121 {
|
||||
122 1 busy = 1; // 增加busy标志，保持逻辑一致
|
||||
123 1 I2CMSCR = 0x86; // 发送STOP命令（0x80=主机模式，0x06=STOP）
|
||||
124 1 while (busy); // 等待操作完成
|
||||
125 1 }
|
||||
126
|
||||
127 /**
|
||||
128 * @brief I2C初始化函数
|
||||
129 * @note 配置P1.4为SDA，P1.5为SCL，设置50kHz通信速率，启用中断
|
||||
130 */
|
||||
131 void I2C_Init()
|
||||
132 {
|
||||
133 1 /* 配置端口模式 */
|
||||
134 1 P1M0 = 0x04; // P1.2设置为推挽输出（LED），P1.4和P1.5保持准双向口
|
||||
135 1 P1M1 = 0x00;
|
||||
136 1
|
||||
137 1 /* 访问扩展寄存器 */
|
||||
138 1 P_SW2 = 0x80;
|
||||
139 1
|
||||
140 1 /* 配置I2C参数 */
|
||||
141 1 // 0xF3 = 11110011
|
||||
142 1 // bit7=1: 启用I2C
|
||||
143 1 // bit6=1: 主机模式
|
||||
144 1 // bit5=1: 启用I2C中断（关键修复：开启中断）
|
||||
145 1 // bit4~0=0x13: MSSPEED=19，计算50kHz：11059200/(2*(19+4)*2)=~50kHz
|
||||
146 1 I2CCFG = 0xF3;
|
||||
147 1
|
||||
148 1 /* 初始化I2C状态 */
|
||||
149 1 I2CMSST = 0x00;
|
||||
150 1
|
||||
151 1 /* 启用全局中断和I2C中断 */
|
||||
152 1 EA = 1; // 全局中断使能
|
||||
153 1 }
|
||||
154
|
||||
155 /* I2C扫描缓冲区，用于存储检测到的设备地址 */
|
||||
156 unsigned char xdata i2c_scan_buffer[128]; // 7位地址最多128个
|
||||
157 unsigned char scan_count = 0; // 扫描到的设备数量
|
||||
158
|
||||
159 /**
|
||||
160 * @brief 扫描指定I2C 7位地址
|
||||
161 * @param addr 要扫描的7位I2C地址（0x00-0x7F）
|
||||
162 * @return 1表示收到应答，0表示无应答
|
||||
163 */
|
||||
164 bit I2C_ScanAddress(unsigned char addr)
|
||||
165 {
|
||||
166 1 bit ack_received = 0; // 应答接收标志
|
||||
167 1
|
||||
168 1 /* 跳过保留地址0x00（通用呼叫地址） */
|
||||
169 1 if (addr == 0x00)
|
||||
170 1 {
|
||||
171 2 return 0;
|
||||
172 2 }
|
||||
173 1
|
||||
174 1 I2C_Start(); // 发送起始信号
|
||||
175 1 I2C_SendData(addr << 1); // 7位地址左移+读写位（0=写）
|
||||
176 1 I2C_RecvACK(); // 接收应答信号
|
||||
177 1
|
||||
178 1 /* 检查是否收到ACK（I2CMSST的bit1为0表示收到ACK） */
|
||||
C51 COMPILER V9.55 MAIN 04/10/2026 09:44:22 PAGE 4
|
||||
|
||||
179 1 if (!(I2CMSST & 0x02))
|
||||
180 1 {
|
||||
181 2 ack_received = 1; // 收到应答
|
||||
182 2 }
|
||||
183 1
|
||||
184 1 I2C_Stop(); // 发送停止信号
|
||||
185 1
|
||||
186 1 return ack_received;
|
||||
187 1 }
|
||||
188
|
||||
189 /**
|
||||
190 * @brief 扫描所有I2C 7位地址（0x00-0x7F）
|
||||
191 * @note 将所有应答的设备地址存储到缓冲区中
|
||||
192 */
|
||||
193 void I2C_ScanAllAddresses(void)
|
||||
194 {
|
||||
195 1 unsigned char i;
|
||||
196 1 scan_count = 0; // 清零扫描计数
|
||||
197 1
|
||||
198 1 /* 遍历所有7位I2C地址（规范扫描范围） */
|
||||
199 1 for (i = 0; i < 128; i++)
|
||||
200 1 {
|
||||
201 2 if (I2C_ScanAddress(i)) // 如果收到应答
|
||||
202 2 {
|
||||
203 3 /* 防止缓冲区溢出 */
|
||||
204 3 if (scan_count < 128)
|
||||
205 3 {
|
||||
206 4 i2c_scan_buffer[scan_count++] = i; // 将7位地址存入缓冲区
|
||||
207 4 }
|
||||
208 3 Delay_ms(1); // 短暂延时，避免总线冲突
|
||||
209 3 }
|
||||
210 2 }
|
||||
211 1 }
|
||||
212
|
||||
213 /**
|
||||
214 * @brief UART1初始化函数
|
||||
215 * @note 波特率115200bps，系统时钟11.0592MHz
|
||||
216 */
|
||||
217 void uart1_init(void)
|
||||
218 {
|
||||
219 1 SCON = 0x50; // 8位UART，允许接收
|
||||
220 1 AUXR |= 0x01; // 串口1选择定时器2为波特率发生器
|
||||
221 1 AUXR &= 0xFB; // 定时器2时钟为12T模式
|
||||
222 1 T2L = 0xFE; // 设置定时器2初值
|
||||
223 1 T2H = 0xFF; // 设置定时器2初值
|
||||
224 1 AUXR |= 0x10; // 启动定时器2
|
||||
225 1 TI = 1; // 设置TI标志，用于printf重定向
|
||||
226 1 }
|
||||
227
|
||||
228 /**
|
||||
229 * @brief putchar重定向函数，用于printf输出
|
||||
230 * @param c 要输出的字符
|
||||
231 * @return 输出的字符
|
||||
232 */
|
||||
233 char putchar(char c)
|
||||
234 {
|
||||
235 1 SBUF = c; // 写入发送缓冲区
|
||||
236 1 while (!TI); // 等待发送完成
|
||||
237 1 TI = 0; // 清除发送完成标志
|
||||
238 1 return c;
|
||||
239 1 }
|
||||
240
|
||||
C51 COMPILER V9.55 MAIN 04/10/2026 09:44:22 PAGE 5
|
||||
|
||||
241 /**
|
||||
242 * @brief 通过UART打印I2C扫描结果
|
||||
243 * @note 输出格式化的扫描结果，包括设备数量和地址列表
|
||||
244 */
|
||||
245 void UART_PrintScanResults(void)
|
||||
246 {
|
||||
247 1 unsigned char i;
|
||||
248 1
|
||||
249 1 printf("\r\n=== I2C扫描结果 ===\r\n");
|
||||
250 1 // printf("检测到的7位I2C设备数量: %d\r\n", scan_count);
|
||||
251 1
|
||||
252 1 if (scan_count > 0)
|
||||
253 1 {
|
||||
254 2 printf("应答地址列表（7位）:\r\n");
|
||||
255 2 for (i = 0; i < scan_count; i++)
|
||||
256 2 {
|
||||
257 3 printf("0x%02X ", i2c_scan_buffer[i]); // 以十六进制格式输出7位地址
|
||||
258 3 if ((i + 1) % 8 == 0) // 每8个地址换行
|
||||
259 3 {
|
||||
260 4 printf("\r\n");
|
||||
261 4 }
|
||||
262 3 }
|
||||
263 2 printf("\r\n");
|
||||
264 2 printf("对应发送地址（8位写模式）:\r\n");
|
||||
265 2 for (i = 0; i < scan_count; i++)
|
||||
266 2 {
|
||||
267 3 printf("0x%02X ", i2c_scan_buffer[i] << 1);
|
||||
268 3 if ((i + 1) % 8 == 0) // 每8个地址换行
|
||||
269 3 {
|
||||
270 4 printf("\r\n");
|
||||
271 4 }
|
||||
272 3 }
|
||||
273 2 printf("\r\n");
|
||||
274 2 }
|
||||
275 1 else
|
||||
276 1 {
|
||||
277 2 printf("未检测到任何I2C设备\r\n");
|
||||
278 2 }
|
||||
279 1 printf("==================\r\n");
|
||||
280 1 }
|
||||
281
|
||||
282
|
||||
283
|
||||
284 void Delay5000ms(void) //@11.0592MHz
|
||||
285 {
|
||||
286 1 unsigned char data i, j, k;
|
||||
287 1
|
||||
288 1 _nop_();
|
||||
289 1 _nop_();
|
||||
290 1 i = 211;
|
||||
291 1 j = 30;
|
||||
292 1 k = 11;
|
||||
293 1 do
|
||||
294 1 {
|
||||
295 2 do
|
||||
296 2 {
|
||||
297 3 while (--k);
|
||||
298 3 } while (--j);
|
||||
299 2 } while (--i);
|
||||
300 1 }
|
||||
301
|
||||
302 /**
|
||||
C51 COMPILER V9.55 MAIN 04/10/2026 09:44:22 PAGE 6
|
||||
|
||||
303 * @brief 主函数
|
||||
304 */
|
||||
305 void main()
|
||||
306 {
|
||||
307 1 /* 初始化各模块 */
|
||||
308 1 I2C_Init(); // 初始化I2C
|
||||
309 1 uart1_init(); // 初始化UART1
|
||||
310 1
|
||||
311 1 LED = 0; // 点亮LED（推挽输出低电平点亮）
|
||||
312 1
|
||||
313 1 /* 输出启动信息 */
|
||||
314 1 printf("\r\n");
|
||||
315 1 printf("========================================\r\n");
|
||||
316 1 printf(" STC8G1K08 I2C设备扫描器\r\n");
|
||||
317 1 printf("========================================\r\n");
|
||||
318 1 printf("系统初始化完成...\r\n");
|
||||
319 1 printf("每5秒自动扫描一次I2C总线\r\n");
|
||||
320 1 printf("========================================\r\n");
|
||||
321 1
|
||||
322 1 /* 主循环 */
|
||||
323 1 while (1)
|
||||
324 1 {
|
||||
325 2 /* LED闪烁指示扫描开始 */
|
||||
326 2 LED = 1; // 熄灭LED
|
||||
327 2 Delay_ms(100);
|
||||
328 2 LED = 0; // 点亮LED
|
||||
329 2
|
||||
330 2 printf("\r\n[开始扫描...]\r\n");
|
||||
331 2 I2C_ScanAllAddresses(); // 执行I2C扫描
|
||||
332 2 printf("[扫描完成]\r\n");
|
||||
333 2
|
||||
334 2 UART_PrintScanResults(); // 输出扫描结果
|
||||
335 2
|
||||
336 2 scan_count = 0; // 清零扫描计数，准备下一次扫描
|
||||
337 2
|
||||
338 2 Delay5000ms(); // 等待5秒后再次扫描
|
||||
339 2 }
|
||||
340 1 }
|
||||
|
||||
|
||||
MODULE INFORMATION: STATIC OVERLAYABLE
|
||||
CODE SIZE = 576 ----
|
||||
CONSTANT SIZE = 342 ----
|
||||
XDATA SIZE = 128 ----
|
||||
PDATA SIZE = ---- ----
|
||||
DATA SIZE = 1 1
|
||||
IDATA SIZE = ---- ----
|
||||
BIT SIZE = 1 1
|
||||
END OF MODULE INFORMATION.
|
||||
|
||||
|
||||
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
|
||||
Reference in New Issue
Block a user