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.
20 #include <ao_quadrature.h>
22 struct ao_task demo_task;
24 static inline int min(int a, int b) { return a < b ? a : b; }
29 char message[] = "Hello, Mike & Bdale --- ";
32 int len = sizeof(message) - 1;
37 ao_delay(AO_MS_TO_TICKS(150));
38 first = min(6, len - i);
40 memcpy(part, message + i, first);
41 memcpy(part + first, message, second);
42 ao_lcd_font_string(part);
56 #define AO_DMA_TEST_INDEX STM_DMA_INDEX(4)
60 static char src[20] = "hello, world";
64 ao_dma_set_transfer(AO_DMA_TEST_INDEX, dst, src, 13,
65 (1 << STM_DMA_CCR_MEM2MEM) |
66 (STM_DMA_CCR_PL_LOW << STM_DMA_CCR_PL) |
67 (STM_DMA_CCR_MSIZE_8 << STM_DMA_CCR_MSIZE) |
68 (STM_DMA_CCR_PSIZE_8 << STM_DMA_CCR_PSIZE) |
69 (1 << STM_DMA_CCR_MINC) |
70 (1 << STM_DMA_CCR_PINC) |
71 (0 << STM_DMA_CCR_CIRC) |
72 (STM_DMA_CCR_DIR_MEM_TO_PER << STM_DMA_CCR_DIR));
73 ao_dma_start(AO_DMA_TEST_INDEX);
75 while (!ao_dma_done[AO_DMA_TEST_INDEX])
76 ao_sleep(&ao_dma_done[AO_DMA_TEST_INDEX]);
78 ao_dma_done_transfer(AO_DMA_TEST_INDEX);
79 printf ("copied %s\n", dst);
84 unsigned char data[] = { 0x55, 0xaa, 0xff, 0x00 };
87 for (i = 0; i < 10; i++) {
88 ao_spi_get(0, AO_SPI_SPEED_FAST);
89 stm_gpio_set(&stm_gpioc, 12, 0);
90 ao_spi_send(data, 4, 0);
91 stm_gpio_set(&stm_gpioc, 12, 1);
101 unsigned char data[4];
104 for (i = 0; i < 10; i++) {
105 ao_spi_get(0, AO_SPI_SPEED_FAST);
106 stm_gpio_set(&stm_gpioc, 12, 0);
107 ao_spi_recv(data, 4, 0);
108 stm_gpio_set(&stm_gpioc, 12, 1);
118 unsigned char data[] = { 0x55, 0xaa, 0xff, 0x00 };
121 for (i = 0; i < 10; i++) {
123 if (ao_i2c_start(0, 0x55))
124 ao_i2c_send(data, 4, 0, TRUE);
126 printf ("i2c start failed\n");
140 struct ao_data packet;
143 ao_data_get(&packet);
146 * r = (110 - 25) / (ts_cal_hot - ts_cal_cold)
147 * 25 + (110 - 25) * (temp - ts_cal_cold) / (ts_cal_hot - ts_cal_cold)
149 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);
150 printf ("temp: %d\n", temp);
153 __code struct ao_cmds ao_demo_cmds[] = {
154 { ao_dma_test, "D\0DMA test" },
155 { ao_spi_write, "W\0SPI write" },
156 { ao_spi_read, "R\0SPI read" },
157 { ao_i2c_write, "i\0I2C write" },
158 { ao_temp, "t\0Show temp" },
172 // ao_lcd_font_init();
176 ao_quadrature_init();
178 ao_timer_set_adc_interval(100);
183 ao_cmd_register(&ao_demo_cmds[0]);
185 ao_start_scheduler();