?? t2cal33x.lst
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C51 COMPILER V7.05 T2CAL33X 08/14/2006 09:49:56 PAGE 1
C51 COMPILER V7.05, COMPILATION OF MODULE T2CAL33X
OBJECT MODULE PLACED IN T2Cal33x.OBJ
COMPILER INVOKED BY: C:\SiLabs\MCU\IDEfiles\C51\BIN\C51.exe T2Cal33x.c DB OE
stmt level source
1 //-----------------------------------------------------------------------------
2 // T2Cal33x.c
3 //-----------------------------------------------------------------------------
4 // Copyright (C) 2004 Silicon Laboratories, Inc.
5 //
6 // AUTH: PD, GV
7 // DATE: 04 FEB 03
8 //
9 // This program is used to measure the temperature sensor on an 'F33x
10 // device. It uses 1-point calibration and stores the offset value
11 // in FLASH memory. The program outputs temperature values in 100ths
12 // of a degree Celsius with UART.
13 // Target: C8051F33x
14 // Tool chain: KEIL C51 6.03 / KEIL EVAL C51
15 //
16
17 //-----------------------------------------------------------------------------
18 // Includes
19 //-----------------------------------------------------------------------------
20
21
22 #include <c8051f330.h> // SFR declarations
23 #include <stdio.h>
24 #include "SMBus.h"
25 #include "IR.h"
26
27
28
29 //-----------------------------------------------------------------------------
30 // 16-bit SFR Definitions for 'F33x
31 //-----------------------------------------------------------------------------
32
33 //sfr16 TMR2RL = 0xca; // Timer2 reload value
34 //sfr16 TMR2 = 0xcc; // Timer2 counter
35 //sfr16 ADC0 = 0xbd; // ADC Data Word Register
36
37 //-----------------------------------------------------------------------------
38 // Global CONSTANTS
39 //-----------------------------------------------------------------------------
40
41 #define SYSCLK 24500000 // SYSCLK frequency in Hz
42 #define BAUDRATE 19200 // Baud rate of UART in bps
43 #define TIMER2_RATE 1000 // Timer 2 overflow rate in Hz
44
45
46 //sbit LED = P1^3; // LED='1' means ON
47
48
49
50
51
52 //-----------------------------------------------------------------------------
53 // Function PROTOTYPES
54 //-----------------------------------------------------------------------------
55
C51 COMPILER V7.05 T2CAL33X 08/14/2006 09:49:56 PAGE 2
56 void SYSCLK_Init (void);
57 void PORT_Init (void);
58 void Interrupts_Init();
59 void SMBus_Init(void);
60
61
62 //-----------------------------------------------------------------------------
63 // Global VARIABLES
64 //-----------------------------------------------------------------------------
65
66 int IR_Key;
67 BOOL bRemoteAvail;
68
69 //-----------------------------------------------------------------------------
70 // MAIN Routine
71 //-----------------------------------------------------------------------------
72
73 void main (void) {
74 1
75 1
76 1 // Disable Watchdog timer
77 1 PCA0MD &= ~0x40; // WDTE = 0 (clear watchdog timer
78 1 // enable)
79 1 SYSCLK_Init (); // Initialize Oscillator
80 1 PORT_Init(); // Initialize Port I/O
81 1 SMBus_Init();
82 1
83 1 Interrupts_Init();
84 1 sampleIRdata();
85 1
86 1
87 1 }
88
89 //-----------------------------------------------------------------------------
90 // Initialization Subroutines
91 //-----------------------------------------------------------------------------
92
93 //-----------------------------------------------------------------------------
94 // PORT_Init
95 //-----------------------------------------------------------------------------
96 //
97 // Configure the Crossbar and GPIO ports.
98 //
99 // P0.4 - UART TX
100 // P0.5 - UART RX
101 // P3.3 - LED
102
103 void PORT_Init (void)
104 {
105 1 //P0SKIP |= 0x01; // Skip P0.0 for external VREF
106 1 //P0MDIN |= 0x01; // Configure P0.0 as analog input.
107 1 //P0MDOUT |= 0x10; // enable UTX as push-pull output
108 1 // P1MDOUT |= 0x08; // enable LED as push-pull output
109 1 //XBR0 = 0x05; // Enable UART on P0.4(TX) and P0.5(RX)and sclP01 sdaP00
-
110 1 //XBR1 = 0x40; // Enable crossbar and weak pull-ups
111 1
112 1 XBR0 = 0x04; // Enable IIC on P0.1() and P0.2(RX)
113 1 XBR1 = 0x40; // Enable crossbar and weak pull-ups
114 1
115 1 }
116
C51 COMPILER V7.05 T2CAL33X 08/14/2006 09:49:56 PAGE 3
117 //-----------------------------------------------------------------------------
118 // SYSCLK_Init
119 //-----------------------------------------------------------------------------
120 //
121 // This routine initializes the system clock to use the internal oscillator
122 // at its maximum frequency.
123 // Also enables the Missing Clock Detector.
124 //
125
126 void SYSCLK_Init (void)
127 {
128 1 OSCICN |= 0x03; // Configure internal oscillator for
129 1 // its maximum frequency
130 1 RSTSRC = 0x04; // Enable missing clock detector
131 1
132 1 }
133
134
135
136 void SMBus_Init(void)
137 {
138 1 SMB0CF = 0x92; //Enable slave SMBus and EXTHOLD
139 1 EIE1 = 0x01; //Enable SMBus interrupt
140 1 }
141
142
143
144 void Interrupts_Init()
145 {
146 1 EA=1;
147 1 EX0=1;
148 1 }
149
150
151
152 //-----------------------------------------------------------------------------
153 // SMBus Interrupt
154 //-----------------------------------------------------------------------------
155 void Interrupt_SMBus(void) interrupt 7
156 {
157 1 switch (SMB0CN & 0xF0) // Status vector
158 1 {
159 2 static char i;
160 2
161 2 // Detect a START condition and a slave address.
162 2 case SMBus_DetectSTA:
163 2 if(SMB0DAT==SMBus_SlaveAddress) // The address received is correct
164 2 {
165 3 if(bRemoteAvail)
166 3 SMB0DAT = IR_Key;
167 3 else
168 3 SMB0DAT = 0xFFFF;
169 3
170 3 i = 0;
171 3 ACK = 1;
172 3 }
173 2 else
174 2 ACK = 0;
175 2 break;
176 2
177 2 // A slave byte was transmitted and Validate the ACK
178 2 case SMBus_TxData:
C51 COMPILER V7.05 T2CAL33X 08/14/2006 09:49:56 PAGE 4
179 2 if(ACK);
180 2 else
181 2 {
182 3 if(i<3 && bRemoteAvail)
183 3 {
184 4 SMB0DAT = IR_Key;
185 4 i++;
186 4 }
187 3 }
188 2
189 2
190 2 // Detect a STOP condition ---- No action need to do
191 2 case SMBus_DetectSTO:
192 2 bRemoteAvail = FALSE;
193 2
194 2 }
195 1
196 1 SI = 0;
197 1 }
198
199
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 120 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 3 ----
IDATA SIZE = ---- ----
BIT SIZE = 1 ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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