X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fstm-demo%2Fao_demo.c;h=54f7c8f2efb72f46dd5cb93a9bbc1327c791c7a8;hp=544f261fcbe7be64fbbfe05e055a6b592e2fee7d;hb=9b12bc445fe482306e4587ad60c6d2daf65a60f3;hpb=2a04ac8dff1bfc3efba8c7e4dc9c1a827496dbdf

diff --git a/src/stm-demo/ao_demo.c b/src/stm-demo/ao_demo.c
index 544f261f..54f7c8f2 100644
--- a/src/stm-demo/ao_demo.c
+++ b/src/stm-demo/ao_demo.c
@@ -50,6 +50,71 @@ void _lseek() { }
 void _exit () { }
 void _read () { }
 void _fstat() { }
+
+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,
+			    (1 << STM_DMA_CCR_MEM2MEM) |
+			    (STM_DMA_CCR_PL_LOW << STM_DMA_CCR_PL) |
+			    (STM_DMA_CCR_MSIZE_8 << STM_DMA_CCR_MSIZE) |
+			    (STM_DMA_CCR_PSIZE_8 << STM_DMA_CCR_PSIZE) |
+			    (1 << STM_DMA_CCR_MINC) |
+			    (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();
+	printf ("copied %s\n", dst);
+}
+
+static void
+ao_spi_write(void) {
+	unsigned char	data[] = { 0x55, 0xaa, 0xff, 0x00 };
+	int i;
+
+	for (i = 0; i < 10; i++) {
+		ao_spi_get(0);
+		stm_gpio_set(&stm_gpioc, 12, 0);
+		ao_spi_send(data, 1, 0);
+		stm_gpio_set(&stm_gpioc, 12, 1);
+		ao_spi_put(0);
+		printf(".");
+		flush();
+		ao_delay(100);
+	}
+}
+
+static void
+ao_spi_read(void) {
+	unsigned char	data[4];
+	int i;
+
+	for (i = 0; i < 10; i++) {
+		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);
+		ao_delay(100);
+	}
+}
+
+__code struct ao_cmds ao_demo_cmds[] = {
+	{ ao_dma_test,	"D\0DMA test" },
+	{ ao_spi_write, "W\0SPI write" },
+	{ ao_spi_read, "R\0SPI read" },
+	{ 0, NULL }
+};
+
 int
 main(void)
 {
@@ -57,11 +122,19 @@ main(void)
 	
 	ao_serial_init();
 	ao_timer_init();
+	ao_dma_init();
 	ao_cmd_init();
-	ao_lcd_stm_init();
-	ao_lcd_font_init();
-	ao_add_task(&demo_task, ao_demo, "demo");
+//	ao_lcd_stm_init();
+//	ao_lcd_font_init();
+	ao_spi_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;
 }