#include <ao.h>
#include <ao_led.h>
#include <ao_dma_samd21.h>
+#include <ao_exti.h>
-#define SNEK_CS_PORT (&samd21_port_a)
-#define SNEK_CS_PIN (11)
-#define SNEK_SPI_INDEX AO_SPI_0_PA08_PA09_PA10
-#define SNEK_SPI_SPEED ao_spi_speed(1000000)
+static int pressed;
-static const uint8_t spi_test[] = {
- 0xaa,
- 0xcc,
- 0xff,
- 0x00
-};
+static void
+ao_button_callback(void)
+{
+ pressed = 1;
+ ao_wakeup(&pressed);
+}
static void
-ao_spi_test(void)
+ao_beep_test(void)
{
- ao_spi_get_bit(SNEK_CS_PORT, SNEK_CS_PIN, SNEK_SPI_INDEX, SNEK_SPI_SPEED);
- ao_spi_send(spi_test, sizeof(spi_test), SNEK_SPI_INDEX);
- ao_spi_put_bit(SNEK_CS_PORT, SNEK_CS_PIN, SNEK_SPI_INDEX);
+ AO_BEEP_TCC->ctrlbset = (SAMD21_TCC_CTRLB_CMD_READSYNC << SAMD21_TCC_CTRLB_CMD);
+ printf("pressed timer %ld\n", AO_BEEP_TCC->count);
+ fflush(stdout);
+ ao_beep_for(AO_BEEP_MID_DEFAULT, AO_MS_TO_TICKS(200));
}
-const struct ao_cmds ao_spi_cmds[] = {
- { ao_spi_test, "s \0Send some bytes over spi" },
+static void
+ao_button(void)
+{
+ ao_exti_setup(&samd21_port_a, 10, AO_EXTI_MODE_FALLING | AO_EXTI_MODE_PULL_UP, ao_button_callback);
+ ao_exti_enable(&samd21_port_a, 10);
+ for (;;) {
+ ao_arch_block_interrupts();
+ pressed = 0;
+ while (!pressed)
+ ao_sleep(&pressed);
+ ao_arch_release_interrupts();
+ ao_beep_test();
+ }
+}
+
+static struct ao_task ao_button_task;
+
+const struct ao_cmds ao_test_cmds[] = {
+ { ao_beep_test, "b \0beep" },
{ 0, NULL },
};
ao_task_init();
ao_timer_init();
ao_dma_init();
+ ao_exti_init();
ao_spi_init();
+ ao_adc_init();
+ ao_serial_init();
+ ao_gps_init();
+ ao_beep_init();
ao_usb_init();
- ao_cmd_register(ao_spi_cmds);
- ao_spi_init_cs(&samd21_port_a, 1 << 11); /* analog 8 for CS */
ao_storage_init();
ao_cmd_init();
+
+ ao_cmd_register(ao_test_cmds);
+ ao_add_task(&ao_button_task, ao_button, "button");
ao_start_scheduler();
+
return 0;
}