eCosPro® Reference Manual
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# iPAQ Framebuffer Device Driver

## Name

CYGPKG_DEVS_FRAMEBUF_ARM_IPAQ -- eCos Support for the iPAQ framebuffer

## Description

CYGPKG_DEVS_FRAMEBUF_ARM_IPAQ provides an eCos framebuffer device driver for the LCD panel on an iPAQ. The driver is a hardware package and is loaded automatically when configuring eCos for an iPAQ target. By default it is inactive and does not add any code size or data overheads. To activate the driver the generic framebuffer package CYGPKG_IO_FRAMEBUF should be added to the configuration. The driver's functionality is only accessible via the API defined by the generic package.

The driver supports a single framebuffer device, driving the LCD panel in 565 true colour mode with a resolution of 320x240 pixels at 16bpp. The `cyg_fb` structure for this is cyg_ipaq_fb_320x240x16, and the identifier for use with the framebuffer macro API is 320x240x16. The `ioctl` operations supported are CYG_FB_IOCTL_BLANK_GET, CYG_FB_IOCTL_BLANK_SET, CYG_FB_IOCTL_BACKLIGHT_GET and CYG_FB_IOCTL_BACKLIGHT_SET. The backlight supports 32 levels of intensity.

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