Tests Using '2012-09-18-wheezy-raspbian.img' Using this code running: while (1) { bcm2835_gpio_write(RPI_GPIO_P1_13, 0); bcm2835_gpio_write(RPI_GPIO_P1_13, 1); } Running the application at the command prompt (no GUI) gave this on the pin: i.e. no significant process interruptions. Running the application inside the GUI (startx) with nothing else specific happening gave this: Very occasional process interruptions. Now starting the Midori browser […]