Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
ctboard:peripherals:lcd_bg [2017/08/29 09:26] – [LCD Background Light] ruan | ctboard:peripherals:lcd_bg [2022/12/27 16:35] (current) – ruan | ||
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Each RGB colour of the background light is controlled by an individual 16 bit PWM generator. \\ | Each RGB colour of the background light is controlled by an individual 16 bit PWM generator. \\ | ||
- | The brightness can be regulated from 0x0000 (0% / off) to 0xffff (100%). To adapt the brightness curve to the human eye an adaption to a logarithmic scale has to be done manually. \\ \\ | + | The brightness |
> {{ctboard: | > {{ctboard: | ||
> Supported [[ctboard: | > Supported [[ctboard: | ||
\\ | \\ | ||
+ | |||
+ | ===== Registers ===== | ||
+ | |||
+ | The Registers are read / write. | ||
+ | |||
+ | \\ {{ctboard_lcd_pwm_reg.svg}} \\ \\ | ||
===== Programming Example ===== | ===== Programming Example ===== | ||
- | The code snippet bellow shows how to set the background light on the LCD. | + | The code snippets below show how to set the background light on the LCD. |
<code c> | <code c> | ||
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</ | </ | ||
\\ | \\ | ||
- | |||
- | ===== Registers ===== | ||
- | |||
- | The Registers are read / write. | ||
- | |||
- | \\ {{ctboard_lcd_pwm_reg.svg}} \\ \\ |