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>
25 #include <ao_adc_single.h>
28 struct ao_task demo_task;
30 static inline int min(int a, int b) { return a < b ? a : b; }
35 char message[] = "Hello, Mike & Bdale --- ";
38 int len = sizeof(message) - 1;
43 ao_delay(AO_MS_TO_TICKS(150));
44 first = min(6, len - i);
46 memcpy(part, message + i, first);
47 memcpy(part + first, message, second);
48 ao_lcd_font_string(part);
54 #define AO_DMA_TEST_INDEX STM_DMA_INDEX(4)
58 static char src[20] = "hello, world";
62 ao_dma_set_transfer(AO_DMA_TEST_INDEX, dst, src, 13,
63 (1 << STM_DMA_CCR_MEM2MEM) |
64 (STM_DMA_CCR_PL_LOW << STM_DMA_CCR_PL) |
65 (STM_DMA_CCR_MSIZE_8 << STM_DMA_CCR_MSIZE) |
66 (STM_DMA_CCR_PSIZE_8 << STM_DMA_CCR_PSIZE) |
67 (1 << STM_DMA_CCR_MINC) |
68 (1 << STM_DMA_CCR_PINC) |
69 (0 << STM_DMA_CCR_CIRC) |
70 (STM_DMA_CCR_DIR_MEM_TO_PER << STM_DMA_CCR_DIR));
71 ao_dma_start(AO_DMA_TEST_INDEX);
73 while (!ao_dma_done[AO_DMA_TEST_INDEX])
74 ao_sleep(&ao_dma_done[AO_DMA_TEST_INDEX]);
76 ao_dma_done_transfer(AO_DMA_TEST_INDEX);
77 printf ("copied %s\n", dst);
82 unsigned char data[] = { 0x55, 0xaa, 0xff, 0x00 };
85 for (i = 0; i < 10; i++) {
86 ao_spi_get(0, AO_SPI_SPEED_FAST);
87 stm_gpio_set(&stm_gpioc, 12, 0);
88 ao_spi_send(data, 4, 0);
89 stm_gpio_set(&stm_gpioc, 12, 1);
99 unsigned char data[4];
102 for (i = 0; i < 10; i++) {
103 ao_spi_get(0, AO_SPI_SPEED_FAST);
104 stm_gpio_set(&stm_gpioc, 12, 0);
105 ao_spi_recv(data, 4, 0);
106 stm_gpio_set(&stm_gpioc, 12, 1);
116 unsigned char data[] = { 0x55, 0xaa, 0xff, 0x00 };
119 for (i = 0; i < 10; i++) {
121 if (ao_i2c_start(0, 0x55))
122 ao_i2c_send(data, 4, 0, TRUE);
124 printf ("i2c start failed\n");
142 struct ao_data packet;
144 ao_data_get(&packet);
148 ao_adc_single_get(&adc);
152 * r = (110 - 25) / (ts_cal_hot - ts_cal_cold)
153 * 25 + (110 - 25) * (temp - ts_cal_cold) / (ts_cal_hot - ts_cal_cold)
155 temp = 25 + (110 - 25) * (adc.temp - stm_temp_cal.ts_cal_cold) / (stm_temp_cal.ts_cal_hot - stm_temp_cal.ts_cal_cold);
156 printf ("temp: %d\n", temp);
163 struct ao_event event;
167 ao_event_get(&event);
168 printf ("type %1d unit %1d tick %5u value %ld\n",
169 event.type, event.unit, event.tick, event.value);
170 if (event.value == 100)
178 static uint8_t ao_blinking = 0;
185 ao_sleep(&ao_blinking);
186 while (ao_blinking) {
187 ao_led_toggle(AO_LED_BLUE|AO_LED_GREEN);
188 ao_delay(AO_MS_TO_TICKS(500));
193 static struct ao_task ao_blink_task;
196 ao_blink_toggle(void)
198 ao_blinking = !ao_blinking;
199 ao_wakeup(&ao_blinking);
204 __code struct ao_cmds ao_demo_cmds[] = {
206 { ao_dma_test, "D\0DMA test" },
207 { ao_spi_write, "W\0SPI write" },
208 { ao_spi_read, "R\0SPI read" },
209 { ao_i2c_write, "i\0I2C write" },
211 { ao_temp, "t\0Show temp" },
213 { ao_blink_toggle, "b\0Toggle LED blinking" },
214 /* { ao_event, "e\0Monitor event queue" }, */
227 // ao_led_init(LEDS_AVAILABLE);
228 // ao_led_on(AO_LED_GREEN);
229 // ao_led_off(AO_LED_BLUE);
231 // ao_lcd_stm_init();
232 // ao_lcd_font_init();
236 // ao_quadrature_init();
239 // ao_timer_set_adc_interval(100);
241 ao_adc_single_init();
244 // ao_add_task(&ao_blink_task, ao_blink, "blink");
245 ao_cmd_register(&ao_demo_cmds[0]);
247 ao_start_scheduler();