Maxim Integrated 71M6534 Energy Meter IC Family Software - Manual (Page 5)

71M653X Software User’s Guide
4.9.4 Setup of the Compiler Project ................................................................................................ 36
4.9.5 Startup ................................................................................................................................... 37
4.9.6 Bank-Switching Code ............................................................................................................. 37
4.9.7 Page Table Setup and Debug ................................................................................................ 37
4.9.8 Producing a Banked Hex File ................................................................................................. 39
4.9.9 Placing Interrupts in Banked Code ......................................................................................... 39
4.9.10 Calling Banked Functions via Function Pointers .................................................................... 39
4.9.11 Putting Constants in Banks .................................................................................................... 40
4.9.12 Write-Protecting Flash in the 653X ......................................................................................... 40
4.10 Project Management Tools .................................................................................................... 41
4.11 Alternative Compilers ............................................................................................................. 41
4.12 Alternative Editors .................................................................................................................. 41
4.13 Alternative Linkers ................................................................................................................. 42
5 Demo Code Description .............................................................................................................. 43
5.1 80515 Data Types and Compiler-Specific Information ....................................................... 43
5.1.1 Data Types ............................................................................................................................. 43
5.1.2 Compiler-Specific Information ................................................................................................ 46
5.2 Demo Code Options and Program Size................................................................................ 47
5.3 Program Flow .......................................................................................................................... 51
5.3.1 Startup and Initialization ......................................................................................................... 52
5.4 Basic Code Architecture ........................................................................................................ 52
5.4.1 Initialization ............................................................................................................................ 53
5.4.2 Interrupts ................................................................................................................................ 53
5.4.2.1 Pulse Counting Interrupts ................................................................................................ 54
5.4.2.2 FWCOL0 and FWCOL1 ................................................................................................... 55
5.4.2.3 CE_BUSY Interrupt .......................................................................................................... 55
5.4.2.4 PLL_ISR ........................................................................................................................... 55
5.4.2.5 EEPROM Isr ..................................................................................................................... 56
5.4.2.6 Timer Interrupt .................................................................................................................. 56
5.4.2.7 The XFER_BUSY, RTC and NEAR_OVERFLOW Interrupt ............................................ 56
5.4.2.8 SERIAL Interrupt .............................................................................................................. 57
5.4.3 Background Tasks ................................................................................................................. 57
5.4.3.1 meter_run() ...................................................................................................................... 57
5.4.3.2 Command Line Interpreter (CLI) ...................................................................................... 58
5.4.3.3 Auto-Calibration ............................................................................................................... 58
5.4.3.4 EEPROM Read/Write ...................................................................................................... 61
5.4.3.5 Battery Test ...................................................................................................................... 61
5.4.3.6 Power Factor Measurement............................................................................................. 61
5.4.4 Watchdog Timer ..................................................................................................................... 62
5.4.5 Real-Time Clock (RTC) .......................................................................................................... 62
5.5 Managing Mission and Battery Modes ................................................................................. 62
5.6 Data Flow ................................................................................................................................. 63
5.7 CE/MPU Interface .................................................................................................................... 64
v1.1v1.1 TERIDIAN Proprietary 5 of 116
© Copyright 2005-2008 TERIDIAN Semiconductor Corporation