*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
*/
#include "ao.h"
+#include <ao_exti.h>
+#include <ao_event.h>
+#include <ao_quadrature.h>
+#include <ao_button.h>
+#include <ao_boot.h>
struct ao_task demo_task;
static inline int min(int a, int b) { return a < b ? a : b; }
-void
-ao_demo(void)
-{
- char message[] = "Hello, Mike & Bdale --- ";
- char part[7];
- int i = 0;
- int len = sizeof(message) - 1;
- int first, second;
-
- part[6] = '\0';
- for (;;) {
- ao_delay(AO_MS_TO_TICKS(150));
- first = min(6, len - i);
- second = 6 - first;
- memcpy(part, message + i, first);
- memcpy(part + first, message, second);
- ao_lcd_font_string(part);
- if (++i >= len)
- i = 0;
- }
-}
-void _close() { }
-void _sbrk() { }
-void _isatty() { }
-void _lseek() { }
-void _exit () { }
-void _read () { }
-void _fstat() { }
+#define AO_DMA_TEST_INDEX STM_DMA_INDEX(4)
static void
ao_dma_test(void) {
static char dst[20];
dst[0] = '\0';
- ao_dma_set_transfer(STM_DMA_INDEX(1), dst, src, 13,
+ ao_dma_set_transfer(AO_DMA_TEST_INDEX, 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) |
(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();
+ ao_dma_start(AO_DMA_TEST_INDEX);
+ ao_arch_critical(
+ while (!ao_dma_done[AO_DMA_TEST_INDEX])
+ ao_sleep(&ao_dma_done[AO_DMA_TEST_INDEX]);
+ );
+ ao_dma_done_transfer(AO_DMA_TEST_INDEX);
printf ("copied %s\n", dst);
}
int i;
for (i = 0; i < 10; i++) {
- ao_spi_get(0);
+ ao_spi_get(0, AO_SPI_SPEED_FAST);
stm_gpio_set(&stm_gpioc, 12, 0);
ao_spi_send(data, 4, 0);
stm_gpio_set(&stm_gpioc, 12, 1);
int i;
for (i = 0; i < 10; i++) {
- ao_spi_get(0);
+ ao_spi_get(0, AO_SPI_SPEED_FAST);
stm_gpio_set(&stm_gpioc, 12, 0);
ao_spi_recv(data, 4, 0);
stm_gpio_set(&stm_gpioc, 12, 1);
}
}
-__code struct ao_cmds ao_demo_cmds[] = {
+static void
+ao_i2c_write(void) {
+ unsigned char data[] = { 0x55, 0xaa, 0xff, 0x00 };
+ int i;
+
+ for (i = 0; i < 10; i++) {
+ ao_i2c_get(0);
+ if (ao_i2c_start(0, 0x55))
+ ao_i2c_send(data, 4, 0, true);
+ else {
+ printf ("i2c start failed\n");
+ ao_i2c_put(0);
+ break;
+ }
+ ao_i2c_put(0);
+ printf(".");
+ flush();
+ ao_delay(100);
+ }
+}
+
+static void
+ao_temp (void)
+{
+ struct ao_data packet;
+ int temp;
+
+ ao_data_get(&packet);
+
+ /*
+ * r = (110 - 25) / (ts_cal_hot - ts_cal_cold)
+ * 25 + (110 - 25) * (temp - ts_cal_cold) / (ts_cal_hot - ts_cal_cold)
+ */
+ 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);
+ printf ("temp: %d\n", temp);
+}
+
+#if 0
+static void
+ao_event(void)
+{
+ struct ao_event event;
+
+ for (;;) {
+ flush();
+ ao_event_get(&event);
+ printf ("type %1d unit %1d tick %5u value %ld\n",
+ event.type, event.unit, event.tick, event.value);
+ if (event.value == 100)
+ break;
+ }
+
+}
+#endif
+
+static uint8_t ao_blinking = 0;
+
+static void
+ao_blink(void)
+{
+ for (;;) {
+ while (!ao_blinking)
+ ao_sleep(&ao_blinking);
+ while (ao_blinking) {
+ ao_led_toggle(AO_LED_BLUE|AO_LED_GREEN);
+ ao_delay(AO_MS_TO_TICKS(500));
+ }
+ }
+}
+
+static struct ao_task ao_blink_task;
+
+static void
+ao_blink_toggle(void)
+{
+ ao_blinking = !ao_blinking;
+ ao_wakeup(&ao_blinking);
+}
+
+
+const struct ao_cmds ao_demo_cmds[] = {
{ ao_dma_test, "D\0DMA test" },
{ ao_spi_write, "W\0SPI write" },
{ ao_spi_read, "R\0SPI read" },
+ { ao_i2c_write, "i\0I2C write" },
+ { ao_temp, "t\0Show temp" },
+ { ao_blink_toggle, "b\0Toggle LED blinking" },
+/* { ao_event, "e\0Monitor event queue" }, */
{ 0, NULL }
};
{
ao_clock_init();
- ao_serial_init();
+ ao_task_init();
+
+ ao_led_init();
+ ao_led_on(AO_LED_GREEN);
+ ao_led_off(AO_LED_BLUE);
ao_timer_init();
ao_dma_init();
ao_cmd_init();
// ao_lcd_stm_init();
// ao_lcd_font_init();
ao_spi_init();
+// ao_i2c_init();
+// ao_exti_init();
+// ao_quadrature_init();
+// ao_button_init();
+ ao_storage_init();
+// ao_timer_set_adc_interval(100);
+
+// ao_adc_init();
+ ao_usb_init();
+
+ ao_add_task(&ao_blink_task, ao_blink, "blink");
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;
}