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Activate LAN network status LED in DigiCOnnect ME9210

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How can I activate the LAN network LED on DigiConnect ME 9210 module ? It is not active by default. The manual says that this LED is software programmable. How can I control this from the user space or kernel space ? What are the GPIOs associated with this ?
asked Oct 19, 2021 in Embedded Devices by MidhunMathew New to the Community (0 points)

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1 Answer

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try using gpio_test example. it includes a saimple gpio kernel module. Run it with default settings first, then change LED_GPIO in source code whatever NS9210 GPIO you want to control
#elif defined(CONFIG_DEL_CME9210JS)
#define GPIO_PIN_DEVICE_BUT "/dev/gpio/1"
#define GPIO_PIN_DEVICE_LED "/dev/gpio/2"

Looking at module schematics the Activity LED is NS9210 pin E15 (not F15 as I previously thought, sorry for the confusion) So it should be GPIO[10] or /dev/gpio/9
answered Oct 20, 2021 by LeonidM Veteran of the Digi Community (4,454 points)