-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 04/23/2013 11:31 AM, j m wrote: > Hello, I use libopencm3 with f1 stm32 for paparazzi autopilot > (luftboot). I would like to force a pull-down resistor on PIN PA9. > > I wanted to know how. If possible directly in libopencm3 file > (gpio.h) for example, or in the luftboot.c file where I call > libopencm3 ?
You should add the following to the part of your code that initializes GPIOs: gpio_set_mode(GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, GPIO9); gpio_clear(GPIOA, GPIO9); Best regards Tomaž - -- Tomaž Šolc, research assistant SensorLab, Jožef Stefan Institute http://sensorlab.ijs.si mail: [email protected] blog: http://www.tablix.org/~avian/blog -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAEBAgAGBQJRdl1eAAoJED848b3tOBsIJacIAL6eV3YASYHowhoiPJKukFx+ EQEU76OyJAE8W9md/89oFZomhfqI9iSGVtX5iIlxBsgkNaIGYGt0Y/v82u71CMsu W6TfHPzS44W09nnVdb5sY4SnlifU4TEzd/Ir/z0bpGbf1KysbQw/VR+cMFFh4tAU XssGe6QbYRxpgVxCWJae72b3HesRtKCiWZgtV6E9KUfftOdrpmyT/ueeP4TXWhHM doJcn1WPNM8V67aRSxLLFJhRN0DtSzTsUy9OZv0cfsdr+G6yW5L0txHONFBrkWnZ TUtXZD3PMiDGMzrOMHE2FP+k2iBDTVPgL//j0FiTrzmHhOwBitAsQCOtdbuCOlw= =uRsD -----END PGP SIGNATURE----- ------------------------------------------------------------------------------ Try New Relic Now & We'll Send You this Cool Shirt New Relic is the only SaaS-based application performance monitoring service that delivers powerful full stack analytics. Optimize and monitor your browser, app, & servers with just a few lines of code. Try New Relic and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_apr _______________________________________________ libopencm3-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libopencm3-devel
