Paparazzi UAS v7.0_unstable
Paparazzi is a free software Unmanned Aircraft System.
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led_hw.h
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1/*
2 * Copyright (C) 2009 Antoine Drouin <poinix@gmail.com>
3 *
4 * This file is part of paparazzi.
5 *
6 * paparazzi is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
9 * any later version.
10 *
11 * paparazzi is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with paparazzi; see the file COPYING. If not, write to
18 * the Free Software Foundation, 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
20 */
21
22#ifndef LED_HW_H
23#define LED_HW_H
24
25#include "mcu_periph/gpio.h"
26#include <libopencm3/stm32/gpio.h>
27#include <libopencm3/stm32/rcc.h>
28
29#include BOARD_CONFIG
30
31#include "std.h"
32
33/*
34 *
35 * Regular GPIO driven LEDs
36 *
37 */
38#ifndef LED_STP08
39
40#define _LED_EVAL(i) i
41
42#define LED_GPIO(i) _LED_EVAL(LED_ ## i ## _GPIO)
43#define LED_GPIO_PIN(i) _LED_EVAL(LED_ ## i ## _GPIO_PIN)
44#define LED_GPIO_ON(i) _LED_EVAL(LED_ ## i ## _GPIO_ON)
45#define LED_GPIO_OFF(i) _LED_EVAL(LED_ ## i ## _GPIO_OFF)
46#define LED_AFIO_REMAP(i) _LED_EVAL(LED_ ## i ## _AFIO_REMAP)
47
48
49#define LED_INIT(i) { \
50 gpio_setup_output(LED_GPIO(i), LED_GPIO_PIN(i)); \
51 LED_AFIO_REMAP(i); \
52 }
53
54#define LED_ON(i) LED_GPIO_ON(i)(LED_GPIO(i), LED_GPIO_PIN(i))
55#define LED_OFF(i) LED_GPIO_OFF(i)(LED_GPIO(i), LED_GPIO_PIN(i))
56#define LED_TOGGLE(i) gpio_toggle(LED_GPIO(i), LED_GPIO_PIN(i))
57
58#define LED_DISABLE(i) gpio_setup_input(LED_GPIO(i), LED_GPIO_PIN(i))
59
60#define LED_PERIODIC() {}
61
62
63/*
64 *
65 * Shift register driven LEDs
66 *
67 */
68#else /* LED_STP08 */
69#define NB_LED 8
70extern uint8_t led_status[NB_LED];
71/* Lisa/L uses a shift register for driving LEDs */
72/* PA8 led_clk */
73/* PC15 led_data */
74
75#define LED_INIT(_i) { \
76 rcc_periph_clock_enable(RCC_GPIOA); \
77 rcc_periph_clock_enable(RCC_GPIOC); \
78 gpio_set_mode(GPIOA, \
79 GPIO_MODE_OUTPUT_50_MHZ, \
80 GPIO_CNF_OUTPUT_PUSHPULL, \
81 GPIO8); \
82 gpio_set_mode(GPIOC, \
83 GPIO_MODE_OUTPUT_50_MHZ, \
84 GPIO_CNF_OUTPUT_PUSHPULL, \
85 GPIO15); \
86 for(uint8_t _cnt=0; _cnt<NB_LED; _cnt++) \
87 led_status[_cnt] = false; \
88 }
89
90#define LED_ON(i) { led_status[i] = true; }
91#define LED_OFF(i) { led_status[i] = false; }
92#define LED_TOGGLE(i) {led_status[i] = !led_status[i];}
93#define LED_DISABLE(i) LED_OFF(i)
94
95#define LED_PERIODIC() { \
96 for (uint8_t _cnt = 0; _cnt < NB_LED; _cnt++) { \
97 if (led_status[_cnt]) \
98 gpio_set(GPIOC, GPIO15); \
99 else \
100 gpio_clear(GPIOC, GPIO15); \
101 gpio_set(GPIOA, GPIO8); /* clock rising edge */ \
102 gpio_clear(GPIOA, GPIO8); /* clock falling edge */ \
103 } \
104 }
105
106#endif /* LED_STP08 */
107
108#endif /* LED_HW_H */
gpio.h
Some architecture independent helper functions for GPIOs.
foo
uint16_t foo
Definition main_demo5.c:58
uint8_t
unsigned char uint8_t
Typedef defining 8 bit unsigned char type.
Definition vl53l1_types.h:98