📄 cp220x_core.lst
字号:
C51 COMPILER V7.09 CP220X_CORE 07/27/2007 15:11:23 PAGE 1
C51 COMPILER V7.09, COMPILATION OF MODULE CP220X_CORE
OBJECT MODULE PLACED IN CP220x_CORE.OBJ
COMPILER INVOKED BY: F:\Keil\C51\BIN\C51.EXE CP220x_CORE.c LARGE BROWSE DEBUG OBJECTEXTEND
line level source
1 //-----------------------------------------------------------------------------
2 // CP220x_CORE.c
3 //-----------------------------------------------------------------------------
4 // Copyright 2006 Silicon Laboratories, Inc.
5 // http://www.silabs.com
6 //
7 // Program Description:
8 //
9 // This file contains core functions used when accessing the CP220x.
10 //
11 // FID:
12 // Target: Multiple
13 // Tool chain: Keil C51 7.20 / Keil EVAL C51
14 // Silicon Laboratories IDE version 2.72
15 // Command Line: See Readme.txt
16 // Project Name: CP220x_Ethernet_Routines
17 //
18 //
19 //
20 // Release 1.1
21 // - Configures C8051F120 SYSCLK to 98 MHz
22 //
23 // Release 1.0
24 // -Initial Release (FB)
25 // -30 MAY 2006
26 //
27
28
29 //-----------------------------------------------------------------------------
30 // Includes
31 //-----------------------------------------------------------------------------
32 #include "global.h"
33
34
35 //----------------------------------------------------------------------------
36 //extern struct
37 //
38 extern unsigned char my_hwaddr[];
39 //-----------------------------------------------------------------------------
40 // Global Variables
41 //-----------------------------------------------------------------------------
42 bit full_duplex = 0;
43
44 //-----------------------------------------------------------------------------
45 // Exported Function Prototypes
46 //-----------------------------------------------------------------------------
47
48 // Initialization routines
49 unsigned char CP220x_HW_Reset(void);
50 unsigned char PHY_Init(void);
51 void MAC_Init(void);
52
53 // MAC read/write routines
54 void MAC_Write(unsigned char mac_reg_offset, unsigned int mac_reg_data);
55 void MAC_GetAddress(MACADDRESS* pMAC);
C51 COMPILER V7.09 CP220X_CORE 07/27/2007 15:11:23 PAGE 2
56 void MAC_SetAddress(MACADDRESS* pMAC);
57
58 // FLASH read/write/erase routines
59 unsigned char poll_flash_busy (void);
60 unsigned char CPFLASH_ByteRead (unsigned int addr);
61 unsigned char CPFLASH_ByteWrite (unsigned int addr, char byte);
62 unsigned char CPFLASH_PageErase (unsigned int addr);
63
64 //-----------------------------------------------------------------------------
65 // Initialization Routines
66 //-----------------------------------------------------------------------------
67
68 //-----------------------------------------------------------------------------
69 // CP220x_HW_Reset
70 //-----------------------------------------------------------------------------
71 //
72 // Return Value :
73 // unsigned char - '0' on success, or one of the following error codes:
74 // MEM_ERROR
75 // OSC_ERROR
76 // CAL_ERROR
77 //
78 // Parameters : None
79 //
80 // Performs Steps 1 - 5 of Reset Initialization (See Section 6.2 of the CP220x
81 // Datasheet for more details)
82 //-----------------------------------------------------------------------------
83 unsigned char CP220x_HW_Reset(void)
84 {
85 1 unsigned char temp_char;
86 1
87 1 // Reset the CP2200 by holding the /RST pin low for at least 15 us
88 1 #if(UART_ENABLED)
printf("enter CP220x_HW_Reset");
#endif
91 1 CP220x_RST_Low();//将cp2200的复位脚置低
92 1 wait_ms(20);
93 1
94 1 //--------------------------------------------------------------------------
95 1 // Step 1: Wait for the reset pin to rise.
96 1 //--------------------------------------------------------------------------
97 1 CP220x_RST_High();//将cp2200的复位脚置低
98 1
99 1 //--------------------------------------------------------------------------
100 1 // Step 2 + 3: Wait for oscillator and self initializaion to complete
101 1 //--------------------------------------------------------------------------
102 1 #if(UART_ENABLED)
printf("CP220x_RST_High");
#endif
105 1
106 1 // Start a one second timeout
107 1 reset_timeout(ONE_SECOND*5);
108 1
109 1 // Wait for the interrupt pin to go low
110 1 // Loop will exit successfully if interrupt detected
111 1 // The function will return error if the reset pin goes low,
112 1 // or the one second timeout expires
113 1 while(INT_PIN){//等待中断脚变低，
114 2 #if(UART_ENABLED)
printf(" in INT_PIN_AB4_RST_State");
#endif
117 2 // Check the state of the reset pin
C51 COMPILER V7.09 CP220X_CORE 07/27/2007 15:11:23 PAGE 3
118 2 if(!AB4_RST_State()){//如果等待reset信号，退出，返回错误
119 3 return OSC_ERROR;
120 3 }
121 2
122 2 // Check the state of the one second timeout
123 2 #if(UART_ENABLED)
printf(" in INT_PIN_timeout_expired");
#endif
126 2 if(timeout_expired()){//等待超时退出，返回错误
127 3 return OSC_ERROR;
128 3 }
129 2 }
130 1 #if(UART_ENABLED)
printf(" out INT_PIN");
#endif
133 1 // Start a new one second timeout
134 1 reset_timeout(ONE_SECOND);
135 1
136 1 // Wait for Oscillator Initialization and Self Initialization to complete
137 1 // Verify that both SELFINTR and OSCINTR are set and that
138 1 // INT0 is not reading 0xFF;
139 1 do {//等待晶震初始完毕，返回INT0正常
140 2 temp_char = INT0RD;
141 2
142 2 if(timeout_expired()){//等待超时，返回错误
143 3 return CAL_ERROR;
144 3 }
145 2
146 2 } while(((temp_char & 0x30) != 0x30) || (temp_char == 0xFF)) ;
147 1 #if(UART_ENABLED)
printf(" out ait for Oscillator Initialization");
#endif
150 1 //--------------------------------------------------------------------------
151 1 // Additional Step: Verify Communication
152 1 //--------------------------------------------------------------------------
153 1
154 1 // Verify communication
155 1 if(RXHASHH != 0x04){//检查是否可以正常通信了
156 2 #if(UART_ENABLED)
printf("EMIF Failure. Check EMI0CN.");
#endif
159 2 return MEM_ERROR;
160 2 }
161 1
162 1 // Read and write the RAM at 0x7FF in the transmit buffer
163 1 RAMADDRH = 0x07;
164 1 RAMADDRL = 0xFF;
165 1
166 1 RAMTXDATA = 0x00;
167 1 if(RAMTXDATA != 0x00){
168 2 #if(UART_ENABLED)
printf("EMIF Failure. Cannot set data bus to 0x00.");
#endif
171 2 return MEM_ERROR;
172 2 }
173 1
174 1 RAMTXDATA = 0xFF;
175 1 if(RAMTXDATA != 0xFF){
176 2 #if(UART_ENABLED)
printf("EMIF Failure. Cannot set data bus to 0xFF. Please Reset Device.");
#endif
179 2 return MEM_ERROR;
C51 COMPILER V7.09 CP220X_CORE 07/27/2007 15:11:23 PAGE 4
180 2 }
181 1
182 1
183 1 #if(UART_ENABLED)
printf("Oscillator and Self Initialization Complete\n");
#endif
186 1
187 1 //--------------------------------------------------------------------------
188 1 // Step 4: Disable Interrupts For Events that will not be monitored
189 1 //--------------------------------------------------------------------------
190 1
191 1 // Disable All Interrupts except for the packet received interrupt
192 1 INT0EN = 0x03; //关中断
193 1 INT1EN = 0x00;
194 1
195 1 // Clear all Interrupt Flags by reading the self-clearing status registers
196 1 temp_char = INT0; //清空中断寄存器
197 1 temp_char = INT1;
198 1
199 1 return 0;
200 1 }
201
202
203 //-----------------------------------------------------------------------------
204 // PHY_Init
205 //-----------------------------------------------------------------------------
206 //
207 // Return Value :
208 // unsigned char - '0' on success, or the following error code:
209 // LINK_ERROR
210 //
211 // Parameters : None
212 //
213 // Initializes the PHY using Autonegotiation
214 //-----------------------------------------------------------------------------
215 unsigned char PHY_Init()
216 {
217 1 unsigned char temp_char;
218 1 unsigned char retval = 0;
219 1
220 1 //--------------------------------------------------------------------------
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -