61af64e734
Use set_pin_mode() to set pinmux for UART RX and TX pins. This is similar effect as running the config-pin utility. Signed-off-by: Drew Fustini <drew@pdp7.com>
104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/*
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Copyright (c) 2013 Adafruit
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Original RPi.GPIO Author Ben Croston
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Modified for BBIO Author Justin Cooper
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This file incorporates work covered by the following copyright and
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permission notice, all modified code adopts the original license:
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Copyright (c) 2013 Ben Croston
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef COMMON_H
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#define COMMON_H
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#include <stddef.h>
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#include "adafruit/bbio/error.h"
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#ifdef __cplusplus
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using adafruit::bbio::BBIO_err;
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#endif
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#define MODE_UNKNOWN -1
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#define BOARD 10
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#define BCM 11
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#define CTRL_DIR_MAX 50
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#define OCP_DIR_MAX 50
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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#define FILENAME_BUFFER_SIZE 128
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#define MAX_PATH 256
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// Modeled after "pwm": submap in bone.js from bonescript
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// https://github.com/jadonk/bonescript/blob/master/src/bone.js#L680
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typedef struct pwm_t {
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const char *module;
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const int sysfs;
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const int index;
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const int muxmode;
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const char *path;
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const char *name;
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const char *chip;
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const char *addr;
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const char *key; // Pin name eg P9_21
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} pwm_t;
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typedef struct uart_t {
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const char *name;
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const char *path;
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const char *dt;
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const char *rx;
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const char *tx;
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} uart_t;
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extern uart_t uart_table[];
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extern int gpio_mode;
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extern int gpio_direction[120];
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extern char ctrl_dir[CTRL_DIR_MAX];
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extern char ocp_dir[OCP_DIR_MAX];
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BBIO_err get_gpio_number(const char *key, unsigned int *gpio);
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BBIO_err get_pwm_key(const char *input, char *key);
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BBIO_err get_adc_ain(const char *key, int *ain);
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BBIO_err get_uart_device_tree_name(const char *name, char *dt);
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BBIO_err build_path(const char *partial_path, const char *prefix, char *full_path, size_t full_path_len);
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int get_spi_bus_path_number(unsigned int spi);
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BBIO_err load_device_tree(const char *name);
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BBIO_err unload_device_tree(const char *name);
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int device_tree_loaded(const char *name);
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BBIO_err get_pwm_by_key(const char *key, pwm_t **pwm);
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int uboot_overlay_enabled(void);
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int beaglebone_blue(void);
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int pocketbeagle(void);
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#define BBIO_LOG_OPTION LOG_CONS | LOG_PID | LOG_NDELAY
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void initlog(int level, const char* ident, int option);
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extern int setup_error;
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extern int module_setup;
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#endif
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