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; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 #include <ao_quadrature.h>
22 #include <ao_button.h>
25 struct ao_task demo_task;
27 static inline int min(int a, int b) { return a < b ? a : b; }
32 char message[] = "Hello, Mike & Bdale --- ";
35 int len = sizeof(message) - 1;
40 ao_delay(AO_MS_TO_TICKS(150));
41 first = min(6, len - i);
43 memcpy(part, message + i, first);
44 memcpy(part + first, message, second);
45 ao_lcd_font_string(part);
59 #define AO_DMA_TEST_INDEX STM_DMA_INDEX(4)
63 static char src[20] = "hello, world";
67 ao_dma_set_transfer(AO_DMA_TEST_INDEX, dst, src, 13,
68 (1 << STM_DMA_CCR_MEM2MEM) |
69 (STM_DMA_CCR_PL_LOW << STM_DMA_CCR_PL) |
70 (STM_DMA_CCR_MSIZE_8 << STM_DMA_CCR_MSIZE) |
71 (STM_DMA_CCR_PSIZE_8 << STM_DMA_CCR_PSIZE) |
72 (1 << STM_DMA_CCR_MINC) |
73 (1 << STM_DMA_CCR_PINC) |
74 (0 << STM_DMA_CCR_CIRC) |
75 (STM_DMA_CCR_DIR_MEM_TO_PER << STM_DMA_CCR_DIR));
76 ao_dma_start(AO_DMA_TEST_INDEX);
78 while (!ao_dma_done[AO_DMA_TEST_INDEX])
79 ao_sleep(&ao_dma_done[AO_DMA_TEST_INDEX]);
81 ao_dma_done_transfer(AO_DMA_TEST_INDEX);
82 printf ("copied %s\n", dst);
87 unsigned char data[] = { 0x55, 0xaa, 0xff, 0x00 };
90 for (i = 0; i < 10; i++) {
91 ao_spi_get(0, AO_SPI_SPEED_FAST);
92 stm_gpio_set(&stm_gpioc, 12, 0);
93 ao_spi_send(data, 4, 0);
94 stm_gpio_set(&stm_gpioc, 12, 1);
104 unsigned char data[4];
107 for (i = 0; i < 10; i++) {
108 ao_spi_get(0, AO_SPI_SPEED_FAST);
109 stm_gpio_set(&stm_gpioc, 12, 0);
110 ao_spi_recv(data, 4, 0);
111 stm_gpio_set(&stm_gpioc, 12, 1);
121 unsigned char data[] = { 0x55, 0xaa, 0xff, 0x00 };
124 for (i = 0; i < 10; i++) {
126 if (ao_i2c_start(0, 0x55))
127 ao_i2c_send(data, 4, 0, TRUE);
129 printf ("i2c start failed\n");
143 struct ao_data packet;
146 ao_data_get(&packet);
149 * r = (110 - 25) / (ts_cal_hot - ts_cal_cold)
150 * 25 + (110 - 25) * (temp - ts_cal_cold) / (ts_cal_hot - ts_cal_cold)
152 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);
153 printf ("temp: %d\n", temp);
160 struct ao_event event;
164 ao_event_get(&event);
165 printf ("type %1d unit %1d tick %5u value %ld\n",
166 event.type, event.unit, event.tick, event.value);
167 if (event.value == 100)
174 __code struct ao_cmds ao_demo_cmds[] = {
175 { ao_dma_test, "D\0DMA test" },
176 { ao_spi_write, "W\0SPI write" },
177 { ao_spi_read, "R\0SPI read" },
178 { ao_i2c_write, "i\0I2C write" },
179 { ao_temp, "t\0Show temp" },
180 /* { ao_event, "e\0Monitor event queue" }, */
195 // ao_lcd_stm_init();
196 // ao_lcd_font_init();
200 // ao_quadrature_init();
203 ao_timer_set_adc_interval(100);
208 ao_cmd_register(&ao_demo_cmds[0]);
210 ao_start_scheduler();