void _read () { }
void _fstat() { }
+#define AO_DMA_TEST_INDEX STM_DMA_INDEX(4)
+
static void
ao_dma_test(void) {
static char src[20] = "hello, world";
static char dst[20];
dst[0] = '\0';
- ao_dma_set_transfer(STM_DMA_INDEX(1), dst, src, 13,
+ ao_dma_set_transfer(AO_DMA_TEST_INDEX, dst, src, 13,
(1 << STM_DMA_CCR_MEM2MEM) |
(STM_DMA_CCR_PL_LOW << STM_DMA_CCR_PL) |
(STM_DMA_CCR_MSIZE_8 << STM_DMA_CCR_MSIZE) |
(1 << STM_DMA_CCR_PINC) |
(0 << STM_DMA_CCR_CIRC) |
(STM_DMA_CCR_DIR_MEM_TO_PER << STM_DMA_CCR_DIR));
- ao_dma_start(STM_DMA_INDEX(1));
- cli();
- while (!ao_dma_done[STM_DMA_INDEX(1)])
- ao_sleep(&ao_dma_done[STM_DMA_INDEX(1)]);
- sei();
+ ao_dma_start(AO_DMA_TEST_INDEX);
+ ao_arch_critical(
+ while (!ao_dma_done[AO_DMA_TEST_INDEX])
+ ao_sleep(&ao_dma_done[AO_DMA_TEST_INDEX]);
+ );
+ ao_dma_done_transfer(AO_DMA_TEST_INDEX);
printf ("copied %s\n", dst);
}
for (i = 0; i < 10; i++) {
ao_spi_get(0);
stm_gpio_set(&stm_gpioc, 12, 0);
- ao_spi_send(data, 1, 0);
+ ao_spi_send(data, 4, 0);
stm_gpio_set(&stm_gpioc, 12, 1);
ao_spi_put(0);
printf(".");
ao_spi_get(0);
stm_gpio_set(&stm_gpioc, 12, 0);
ao_spi_recv(data, 4, 0);
- printf(".");
- flush();
stm_gpio_set(&stm_gpioc, 12, 1);
ao_spi_put(0);
+ printf(".");
+ flush();
ao_delay(100);
}
}
// ao_lcd_font_init();
ao_spi_init();
+ ao_timer_set_adc_interval(100);
+
+ ao_adc_init();
+
ao_cmd_register(&ao_demo_cmds[0]);
- stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOCEN);
- stm_gpio_set(&stm_gpioc, 12, 1);
- stm_moder_set(&stm_gpioc, 12, STM_MODER_OUTPUT);
- stm_otyper_set(&stm_gpioc, 12, STM_OTYPER_PUSH_PULL);
-
ao_start_scheduler();
return 0;
}