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/*
* Copyright © 2014 Keith Packard <keithp@keithp.com>
*
* 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 <ao.h>
#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();
}
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