?? f12x_init.lst
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C51 COMPILER V7.09 F12X_INIT 06/29/2007 17:12:09 PAGE 1
C51 COMPILER V7.09, COMPILATION OF MODULE F12X_INIT
OBJECT MODULE PLACED IN F12x_Init.OBJ
COMPILER INVOKED BY: F:\Keil\C51\BIN\C51.EXE F12x_Init.c LARGE BROWSE DEBUG OBJECTEXTEND
line level source
1 //-----------------------------------------------------------------------------
2 // F12x_Init.c
3 //-----------------------------------------------------------------------------
4 // Copyright 2006 Silicon Laboratories, Inc.
5 // http://www.silabs.com
6 //
7 // Program Description:
8 //
9 // Contains Initialization Routines for the F120.
10 //
11 // FID:
12 // Target: C8051F12x
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 // Includes
30 //-----------------------------------------------------------------------------
31 #include "global.h"
32
33 #if(MCU == F020)
34
35 //-----------------------------------------------------------------------------
36 // 16-bit SFR Definitions for 'F12x
37 //-----------------------------------------------------------------------------
38
39 sfr16 DP = 0x82; // data pointer
40 sfr16 ADC0 = 0xbe; // ADC0 data
41 sfr16 ADC0GT = 0xc4; // ADC0 greater than window
42 sfr16 ADC0LT = 0xc6; // ADC0 less than window
43 sfr16 RCAP2 = 0xca; // Timer2 capture/reload
44 sfr16 RCAP3 = 0xca; // Timer3 capture/reload
45 sfr16 RCAP4 = 0xca; // Timer4 capture/reload
46 sfr16 TMR2 = 0xcc; // Timer2
47 sfr16 TMR3 = 0xcc; // Timer3
48 sfr16 TMR4 = 0xcc; // Timer4
49 sfr16 DAC0 = 0xd2; // DAC0 data
50 sfr16 DAC1 = 0xd2; // DAC1 data
51 sfr16 PCA0CP5 = 0xe1; // PCA0 Module 5 capture
52 sfr16 PCA0CP2 = 0xe9; // PCA0 Module 2 capture
53 sfr16 PCA0CP3 = 0xeb; // PCA0 Module 3 capture
54 sfr16 PCA0CP4 = 0xed; // PCA0 Module 4 capture
55 sfr16 PCA0 = 0xf9; // PCA0 counter
C51 COMPILER V7.09 F12X_INIT 06/29/2007 17:12:09 PAGE 2
56 sfr16 PCA0CP0 = 0xfb; // PCA0 Module 0 capture
57 sfr16 PCA0CP1 = 0xfd; // PCA0 Module 1 capture
58
59 //-----------------------------------------------------------------------------
60 // Local Constants
61 //-----------------------------------------------------------------------------
62 #define SYSCLK 73500000 // System Clock in Hz
63
64
65 //-----------------------------------------------------------------------------
66 // Local Global Variables
67 //-----------------------------------------------------------------------------
68
69 static unsigned int timeout;
70
71 //-----------------------------------------------------------------------------
72 // Exported Function Prototypes
73 //-----------------------------------------------------------------------------
74 void Reset_Init(void);
75
76 void wait_ms(int ms);
77 void clear_ms_timer_flag(void);
78 char get_ms_timer_flag(void);
79 void start_ms_timer();
80
81 void CP220x_RST_Low(void);
82 void CP220x_RST_High(void);
83 unsigned char AB4_RST_State(void);
84
85 #if(UART_ENABLED)
char _getkey ();
char putchar (char c);
#endif
89
90 //-----------------------------------------------------------------------------
91 // Local Function Prototypes
92 //-----------------------------------------------------------------------------
93
94 void PORT_Init (void);
95 void SYSCLK_Init (void);
96 void EMIF_Init (void);
97
98 #if(UART_ENABLED)
void UART1_Init (void);
#endif
101
102 //-----------------------------------------------------------------------------
103 // Exported Functions
104 //-----------------------------------------------------------------------------
105
106 //-----------------------------------------------------------------------------
107 // Reset_Init
108 //-----------------------------------------------------------------------------
109 void Reset_Init(void)
110 {
111 1 // Enable the VDD Monitor as a reset source
112 1 // Do not use read-modify write instruction on this register
113 1 // RSTSRC = 0x02;
114 1
115 1 // Disable Watchdog Timer
116 1 WDTCN = 0xde;
117 1 WDTCN = 0xad;
C51 COMPILER V7.09 F12X_INIT 06/29/2007 17:12:09 PAGE 3
118 1
119 1 // Initialize the MCU
120 1 PORT_Init();
121 1 SYSCLK_Init();
122 1 EMIF_Init();
123 1
124 1 EX0 = 1; // Enable External Interrupt 0
125 1
126 1 #if(UART_ENABLED)
UART1_Init();
puts("\n*** Reset ***\nC8051F12x MCU Initialized\n");
#endif
130 1
131 1 }
132
133 //-----------------------------------------------------------------------------
134 // External Interrupt 0
135 //-----------------------------------------------------------------------------
136 //
137 // This interrupt service routine is routed to the ethernet interrupt
138 //
139 void INT0_ISR(void) interrupt 0
140 {
141 1 Ethernet_ISR();
142 1 }
143
144
145 //-----------------------------------------------------------------------------
146 // wait_ms
147 //-----------------------------------------------------------------------------
148 //
149 // This routine inserts a delay of <ms> milliseconds.
150 //
151 void wait_ms(int ms)
152 {
153 1 char SFRPAGE_SAVE = SFRPAGE; // Save Current SFR page
*** ERROR C202 IN LINE 153 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
154 1
155 1 SFRPAGE = TMR2_PAGE;
*** ERROR C202 IN LINE 155 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
156 1
157 1 TMR2CN = 0x00; // Stop Timer2; Clear TF2;
*** ERROR C202 IN LINE 157 OF F12X_INIT.C: 'TMR2CN': undefined identifier
158 1 TMR2CF = 0x00; // use SYSCLK/12 as timebase
*** ERROR C202 IN LINE 158 OF F12X_INIT.C: 'TMR2CF': undefined identifier
159 1
160 1 RCAP2 = -(SYSCLK/1000/12); // Timer 2 overflows at 1 kHz
161 1 TMR2 = RCAP2;
162 1
163 1 ET2 = 0; // Disable Timer 2 interrupts
164 1
165 1 TR2 = 1; // Start Timer 2
166 1
167 1 while(ms){
168 2 TF2 = 0;
169 2 while(!TF2); // wait until timer overflows
170 2 ms--; // decrement ms
171 2 }
172 1
173 1 TR2 = 0; // Stop Timer 2
174 1
175 1 SFRPAGE = SFRPAGE_SAVE; // Restore SFRPAGE
C51 COMPILER V7.09 F12X_INIT 06/29/2007 17:12:09 PAGE 4
*** ERROR C202 IN LINE 175 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
176 1 }
177
178 //-----------------------------------------------------------------------------
179 // reset_timout
180 //-----------------------------------------------------------------------------
181 //
182 // This routine resets the global timeout.
183 //
184 void reset_timeout(unsigned int ms)
185 {
186 1 timeout = ms;
187 1 start_ms_timer();
188 1
189 1 }
190
191
192 //-----------------------------------------------------------------------------
193 // timeout_expired
194 //-----------------------------------------------------------------------------
195 //
196 // This routine manages the timeout and returns TRUE if timeout expired.
197 //
198 unsigned char timeout_expired(void)
199 {
200 1 if(get_ms_timer_flag()){
201 2 clear_ms_timer_flag();
202 2 if(timeout > 0){
203 3 timeout--;
204 3 }
205 2 }
206 1
207 1 return (timeout == 0);
208 1
209 1
210 1 }
211 //-----------------------------------------------------------------------------
212 // start_ms_timer
213 //-----------------------------------------------------------------------------
214 //
215 // This routine starts a timer with a 1kHz overflow rate (1ms period).
216 //
217 void start_ms_timer()
218 {
219 1 char SFRPAGE_SAVE = SFRPAGE; // Save Current SFR page
*** ERROR C202 IN LINE 219 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
220 1
221 1 SFRPAGE = TMR2_PAGE;
*** ERROR C202 IN LINE 221 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
222 1
223 1 TMR2CN = 0x00; // Stop Timer2; Clear TF2;
*** ERROR C202 IN LINE 223 OF F12X_INIT.C: 'TMR2CN': undefined identifier
224 1 TMR2CF = 0x00; // use SYSCLK/12 as timebase
*** ERROR C202 IN LINE 224 OF F12X_INIT.C: 'TMR2CF': undefined identifier
225 1
226 1 RCAP2 = -(SYSCLK/1000/12); // Timer 2 overflows at 1 kHz
227 1 TMR2 = RCAP2;
228 1
229 1 ET2 = 0; // Disable Timer 2 interrupts
230 1
231 1 TR2 = 1; // Start Timer 2
232 1
C51 COMPILER V7.09 F12X_INIT 06/29/2007 17:12:09 PAGE 5
233 1 SFRPAGE = SFRPAGE_SAVE; // Restore SFRPAGE
*** ERROR C202 IN LINE 233 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
234 1 }
235
236 //-----------------------------------------------------------------------------
237 // get_ms_timer_flag()
238 //-----------------------------------------------------------------------------
239 //
240 // This routine returns the state of the ms_timer overflow flag.
241 //
242 char get_ms_timer_flag(void)
243 {
244 1 char SFRPAGE_SAVE = SFRPAGE; // Save Current SFR page
*** ERROR C202 IN LINE 244 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
245 1
246 1 SFRPAGE = TMR2_PAGE;
*** ERROR C202 IN LINE 246 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
247 1
248 1 return TF2;
249 1
250 1 SFRPAGE = SFRPAGE_SAVE; // Restore SFRPAGE
*** ERROR C202 IN LINE 250 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
251 1 }
252
253 //-----------------------------------------------------------------------------
254 // clear_ms_timer_flag()
255 //-----------------------------------------------------------------------------
256 //
257 // This routine returns the state of the ms_timer overflow flag.
258 //
259 void clear_ms_timer_flag(void)
260 {
261 1 char SFRPAGE_SAVE = SFRPAGE; // Save Current SFR page
*** ERROR C202 IN LINE 261 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
262 1
263 1 SFRPAGE = TMR2_PAGE;
*** ERROR C202 IN LINE 263 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
264 1
265 1 TF2 = 0;
266 1
267 1 SFRPAGE = SFRPAGE_SAVE; // Restore SFRPAGE
*** ERROR C202 IN LINE 267 OF F12X_INIT.C: 'SFRPAGE': undefined identifier
268 1 }
269
270
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