SEG_LCD-Sample
Overview
This application is a comprehensive example of the SEG_LCD segmented display function using the WM IoT SDK. It demonstrates how to initialize the SEG_LCD device, perform a series of display operations, including repeatedly displaying all segments and weekdays, and finally clear the display and deinitialize the device.
Requirements
Segmented Display Requirements:
Manufacturer: Shenzhen Genyu Technology Co., Ltd.
Model: GY-H70248 （Sample）
Can be replaced with any other segmented display
Pin Connections:
| Pin Number | Connection Description | GY-H70248 PIN （Sample） |
|---|---|---|
| PB25 | COM0 | 1 and 37 |
| PB21 | COM1 | 2 and 38 |
| PB22 | COM2 | 3 and 39 |
| PB27 | COM3 | 4 |
| PB26 | SEG01 | 5 |
| PB24 | SEG02 | 6 |
| PA7 | SEG03 | 7 |
| PA8 | SEG04 | 8 |
| PA9 | SEG05 | 9 |
| PA10 | SEG06 | 10 |
| PA11 | SEG07 | 11 |
| PA12 | SEG08 | 12 |
| PA13 | SEG09 | 13 |
| PA14 | SEG10 | 14 |
| PA15 | SEG11 | 15 |
| PBO | SEG12 | 16 |
| PB1 | SEG13 | 17 |
| PB2 | SEG14 | 18 |
| PB3 | SEG15 | 19 |
| PB4 | SEG16 | 20 |
| PB5 | SEG17 | 21 |
| PB6 | SEG18 | 22 |
| PB7 | SEG19 | 23 |
| PB8 | SEG20 | 24 |
| PB9 | SEG21 | 25 |
| PB10 | SEG22 | 26 |
| PB11 | SEG23 | 27 |
| PB12 | SEG24 | 28 |
| PB13 | SEG25 | 29 |
| PB14 | SEG26 | 30 |
| PB15 | SEG27 | 31 |
| PB16 | SEG28 | 32 |
| PB17 | SEG29 | 33 |
| PB18 | SEG30 | 34 |
| PA6 | SEG31 | 35 |
Building and Flashing
Example Location： examples\peripheral\seg_lcd\sample\
For compilation, flashing, and other operations, please refer to: Quick Start Guide
Running Result
The following log is displayed after successful operation
[I] (10) main: ver: 2.2-beta.2 build at Dec 10 2024 09:33:51
[I] (10) main: boot reason 0
[I] (11) main: heap size 272648(266.26KB)
[I] (11) main: flash size 0x200000(2MB)
[I] (13) example: seg_lcd display demo start.
[I] (13) example: Initializing segment LCD device...
[I] (15) example: Starting segment LCD display/clear cycle...
[I] (10131) example: Deinitializing segment LCD device.
[I] (10132) example: This example succeeds in running.