From 3b50e50fb814a572f7b4ea9e268a1ae150fe678c Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sun, 9 Mar 2014 21:10:10 -0700 Subject: [PATCH] altos: Another missing usbtrng file --- src/usbtrng/ao_usbtrng.c | 63 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 src/usbtrng/ao_usbtrng.c diff --git a/src/usbtrng/ao_usbtrng.c b/src/usbtrng/ao_usbtrng.c new file mode 100644 index 00000000..6b4d20fe --- /dev/null +++ b/src/usbtrng/ao_usbtrng.c @@ -0,0 +1,63 @@ +/* + * Copyright © 2014 Keith Packard + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include + +#define AO_TRNG_SPI_BUS 1 +#define AO_TRNG_SPI_SPEED AO_SPI_SPEED_250kHz + +static void +ao_trng_test(void) +{ + static uint8_t random[32]; + uint8_t i; + + ao_spi_get(AO_TRNG_SPI_BUS, AO_TRNG_SPI_SPEED); + ao_spi_recv(random, sizeof (random), AO_TRNG_SPI_BUS); + ao_spi_put(AO_TRNG_SPI_BUS); + for (i = 0; i < sizeof (random); i++) + printf (" %02x", random[i]); + printf ("\n"); +} + +static const struct ao_cmds ao_trng_cmds[] = { + { ao_trng_test, "R\0Dump some random numbers" }, + { 0, NULL } +}; + +void +main(void) +{ + ao_clock_init(); + ao_task_init(); + ao_timer_init(); + + ao_spi_init(); + ao_usb_init(); + + ao_serial_init(); + + ao_led_init(LEDS_AVAILABLE); + + ao_led_on(AO_LED_GREEN); + + ao_cmd_init(); + + ao_cmd_register(ao_trng_cmds); + + ao_start_scheduler(); +} -- 2.30.2