MikroElektronika PIC Microcontrollers PIC16 Manuale Utente Scaricare il pdf (Pagina 158)

mikroBASIC

- Basic Compiler for Microchip PIC microcontrollers

sub procedure RS485slave_write(dim byref data as byte[2],

dim datalen as byte)

MCU must be initialized as Slave in 485 communication.

dim byref data as byte[2], dim datalen as byte

Sends number of bytes (1 < datalen <= 3) from buffer via 485

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RS485slave_write

Prototype:

Parameters:

Effects:

Precondition:

1 2 ... 153 154 155 156 157 158 159 160 161 162 163 ... 171 172

MikroElektronika 1
Table of Contents 2
To readers note 5
C H A P T E R 6
CODE EDITOR 8
Advanced Editor Features 9
Comment / 10
Uncomment Icon 10
CODE EXPLORER 11
CREATING FIRST PROJECT 12
Compile Icon 15
Debug Icon 15
PROJECTS 18
Managing Source Files 19
Compile and Link Source Code 21
DEBUGGER 22
ERROR WINDOW 24
ASSEMBLY VIEW 25
STATISTICS 26
Chapter 27
Procedures (Details) Window 28
INTEGRATED TOOLS 29
KEYBOARD SHORTCUTS 31
Reference 33
IDENTIFIERS 34
KEYWORDS 35
DATA TYPES 36
For example: 38
Numerals 40
Character Strings 40
CONSTANTS 41
VARIABLES 44
Additional 45
' beginning of a module 46
COMMENTS 48
EXPRESSIONS 49
DECLARATIONS AND STATEMENTS 51
Statements 52
DIRECTIVES 53
' byte at the same time 54
' example for P16F877A 54
PROCEDURES AND FUNCTIONS 55
' some code 56
' routine 56
' case end 58
Main Unit File 61
Compiler 62
Output Generator 62
SCOPE (IDENTIFIER VISIBILITY) 63
PROGRAM ORGANIZATION 65
TYPE CONVERSION 67
Example 1: 68
Example 2: 69
Example 3: 69
' B becomes $00ff 70
' B becomes -10 71
' C becomes 213 71
1 01 11 100 72
0 00 0 00 01 72
1 1 1 10000 72
OPERATORS 78
Runtime Behavior 80
Arithmetic Operators 81
Specific 83
Boolean Operators 84
Logical (Bitwise) Operators 85
' Bb becomes $00a0 86
' Bb becomes $70f4 86
Overview 89
Rules for 89
Comparing 89
Expressions 89
CONDITIONAL STATEMENTS 92
Select Case Statement 93
If Statement 95
Examples 96
For Statement 98
Do..Loop Until Statement 100
While Statement 101
ASM Statement 102
PIC MCU SPECIFIC 103
COMPILER ERROR MESSAGES 106
Library Routines 109
Built-in and 109
BUILT-IN ROUTINES 110
LIBRARY ROUTINES 112
1-Wire Library 113
PIC16F877 115
ADC Library 116
Figure (ADC HW connection) 117
CAN Library 118
CAN_OP_MODE 124
CAN_TX_MSG_FLAGS 124
CAN_RX_MSG_FLAGS 125
CAN_MASK 125
CAN_FILTER 126
CAN_CONFIG_FLAGS 126
PCA82C250 129
Shielded pair, less 129
CANSPI Library 130
CAN Library Constants 136
Compact Flash Library 139
Compact Flash Connector 144
(TOP VIEW) 144
Compact Flash Card 144
EEPROM Library 145
I2C Library 146
LCD Library 150
Commands 151
Figure: LCD HW connection 152
PWM Library 153
Figure: PWM demonstration 154
RS485 Library 155
RS485slave_write 158
Connecting PC and PIC via 160
RS485 communication line 160
SPI Library 161
Value Meaning 163
8. 8. 8. 8. 8. 8. 8. 8 165
USART Library 166
Figure: RS232 HW connection 168
Numeric Formatting Routines 169
Utilities 171

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