Maxim Integrated 71M6534 Energy Meter IC Family Software - Manual (Page 90)

71M653X Software User’s Guide
Function/Routine
Name
Description Input Output File Name
irq_disable() Disables interrupts. void void util\irq.c
IRQ_DISABLE()
The fastest way to disable
interrupts. Requires
IRQ_DEFINES to be earlier in
the code, or that the needed
symbols be defined.
n/a n/a util\irq.h
irq_enable() Enables interrupts void void util\irq.c
IRQ_ENABLE()
The fastest way to enable
interrupts. Requires
IRQ_DEFINES to be earlier in
the code, or that the needed
symbols be defined.
n/a n/a util\irq.h
irq_init() Initializes interrupt control. void void util\irq.c
labsx() returns the absolute value int32_t x S332 Util\math.c
latan2() returns the arcTangent
int32_t sy, int32_t
sx
U32 Util\math.c
LCD_CE_Off() displays “CE OFF” on LCD none none io\lcd.c
LCD_Command()
turns LCD on or off, clears
display
uint8_t LcdCmd none io\lcd.c
LCD_Config() configures LCD parameters
uint8_t num, enum
eLCD_mode bias,
enum LCD_CLK
clock
none io\lcd.c
LCD_Data_Read() reads from selected icon of LCD uint8_t Icon uint16_t io\lcd.c
LCD_Data_Write() writes to selected icon of LCD
uint8_t icon,
uint16_t Mask
none io\lcd.c
LCD_Hello() displays “HELLO” on LCD none none io\lcd.c
LCD_Init()
clears LCD, enables LCD
segment drivers
none none io\lcd.c
LCD_Mode Display a mode number. Uint8_t mode none io\lcd.c
LCD_Number() Displays a number on the LCD.
Int32_t number
uint8_t
num_digits_before_
decimal_point,
uint8_t
num_digits_after_d
ecimal_point
none io\lcd.c
lmax()
returns maximum of unsigned
long ‘a’ and ‘b’.
U32 a, U32 b U32 Util\math.c
lmin()
returns minimum of unsigned
long ‘a’ and ‘b’.
U32 a, U32 b U32 Util\math.c
log2() returns binary logarithm uint16_t k uint8_t Util\math.c
LRC_Calc_NVR ()
Calculates a longitudinal
redundancy check (bitwise
parity)
Bool (ok/bad)
Pointer,
length, set
Util\library.c
Lroundf()
Returns long rounded from float.
Standard C99 library routine not
provided by Keil
Long Float Util\math.c
main_background()
executes background
processing
none none main.c
main_edge_cnt_lcd () Displays either the Uint8_t select void Meter\freq.c
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