2 * Copyright © 2011 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 #include <ao_quadrature.h>
23 #include <ao_button.h>
26 struct ao_task demo_task;
28 static inline int min(int a, int b) { return a < b ? a : b; }
31 #define AO_DMA_TEST_INDEX STM_DMA_INDEX(4)
35 static char src[20] = "hello, world";
39 ao_dma_set_transfer(AO_DMA_TEST_INDEX, dst, src, 13,
40 (1 << STM_DMA_CCR_MEM2MEM) |
41 (STM_DMA_CCR_PL_LOW << STM_DMA_CCR_PL) |
42 (STM_DMA_CCR_MSIZE_8 << STM_DMA_CCR_MSIZE) |
43 (STM_DMA_CCR_PSIZE_8 << STM_DMA_CCR_PSIZE) |
44 (1 << STM_DMA_CCR_MINC) |
45 (1 << STM_DMA_CCR_PINC) |
46 (0 << STM_DMA_CCR_CIRC) |
47 (STM_DMA_CCR_DIR_MEM_TO_PER << STM_DMA_CCR_DIR));
48 ao_dma_start(AO_DMA_TEST_INDEX);
50 while (!ao_dma_done[AO_DMA_TEST_INDEX])
51 ao_sleep(&ao_dma_done[AO_DMA_TEST_INDEX]);
53 ao_dma_done_transfer(AO_DMA_TEST_INDEX);
54 printf ("copied %s\n", dst);
59 unsigned char data[] = { 0x55, 0xaa, 0xff, 0x00 };
62 for (i = 0; i < 10; i++) {
63 ao_spi_get(0, AO_SPI_SPEED_FAST);
64 stm_gpio_set(&stm_gpioc, 12, 0);
65 ao_spi_send(data, 4, 0);
66 stm_gpio_set(&stm_gpioc, 12, 1);
76 unsigned char data[4];
79 for (i = 0; i < 10; i++) {
80 ao_spi_get(0, AO_SPI_SPEED_FAST);
81 stm_gpio_set(&stm_gpioc, 12, 0);
82 ao_spi_recv(data, 4, 0);
83 stm_gpio_set(&stm_gpioc, 12, 1);
93 unsigned char data[] = { 0x55, 0xaa, 0xff, 0x00 };
96 for (i = 0; i < 10; i++) {
98 if (ao_i2c_start(0, 0x55))
99 ao_i2c_send(data, 4, 0, true);
101 printf ("i2c start failed\n");
115 struct ao_data packet;
118 ao_data_get(&packet);
121 * r = (110 - 25) / (ts_cal_hot - ts_cal_cold)
122 * 25 + (110 - 25) * (temp - ts_cal_cold) / (ts_cal_hot - ts_cal_cold)
124 temp = 25 + (110 - 25) * (packet.adc.temp - stm_temp_cal.ts_cal_cold) / (stm_temp_cal.ts_cal_hot - stm_temp_cal.ts_cal_cold);
125 printf ("temp: %d\n", temp);
132 struct ao_event event;
136 ao_event_get(&event);
137 printf ("type %1d unit %1d tick %5u value %ld\n",
138 event.type, event.unit, event.tick, event.value);
139 if (event.value == 100)
146 static uint8_t ao_blinking = 0;
153 ao_sleep(&ao_blinking);
154 while (ao_blinking) {
155 ao_led_toggle(AO_LED_BLUE|AO_LED_GREEN);
156 ao_delay(AO_MS_TO_TICKS(500));
161 static struct ao_task ao_blink_task;
164 ao_blink_toggle(void)
166 ao_blinking = !ao_blinking;
167 ao_wakeup(&ao_blinking);
171 const struct ao_cmds ao_demo_cmds[] = {
172 { ao_dma_test, "D\0DMA test" },
173 { ao_spi_write, "W\0SPI write" },
174 { ao_spi_read, "R\0SPI read" },
175 { ao_i2c_write, "i\0I2C write" },
176 { ao_temp, "t\0Show temp" },
177 { ao_blink_toggle, "b\0Toggle LED blinking" },
178 /* { ao_event, "e\0Monitor event queue" }, */
190 ao_led_on(AO_LED_GREEN);
191 ao_led_off(AO_LED_BLUE);
195 // ao_lcd_stm_init();
196 // ao_lcd_font_init();
200 // ao_quadrature_init();
204 // ao_timer_set_adc_interval(100);
209 ao_add_task(&ao_blink_task, ao_blink, "blink");
210 ao_cmd_register(&ao_demo_cmds[0]);
212 ao_start_scheduler();