3 DETAILS OF FUNCTION
3.1 C Controller Module Dedicated Functions
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3
CCPU_SetDotMatrixLED
This function sets a value to be displayed on the dot matrix LED of C Controller module.
■
Format
short CCPU_SetDotMatrixLED(unsigned short usLedMode, char* pcData)
■
Argument
• Specify the LED data (pcData) as follows.
⋅
Mode 0: Dot mode
pcData[0] to pcData[19]: Data of the dot matrix LED (7
20)
The data specified in the following format is displayed.
Data format for each column: Bit pattern in which '0' is for the upper one bit, and '1' (when LED is ON) or '0' (when LED is
OFF) is for lower seven bits
Ex.
The bit pattern shown below is output to the dot matrix LED:
1st column: 0000 0111b = 07H
→
pcData[0] = 0x07
2nd column: 0000 1100b = 0cH
→
pcData[1] = 0x0c
3rd column: 0001 0100b = 14H
→
pcData[2] = 0x14
4th column: 0010 0100b = 24H
→
pcData[3] = 0x24
5th column: 0111 1111b = 7fH
→
pcData[4] = 0x7f
6th column to 20th column: 0000 0000b = 00H
→
pcData[5] to pcData[19] = 0x00
Argument
Name
Description
IN/OUT
usLedMode
Output mode
Specify the output mode to the dot matrix LED.
(When 'Reserved' is specified, this function ends normally without processing.)
• 0: Dot mode
• 1: ASCII mode
• Others: Reserved
IN
pcData
LED data
Specify the LED data.
IN
Dot matrix LED
1st column
2nd column
5th column
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