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sani7
2026-02-14 14:31:15 +01:00
parent 36a56a9068
commit c39cb9c42c
2 changed files with 113 additions and 80 deletions
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server/gpio/gpio.cpp
+72 -50
View File
@@ -3,55 +3,81 @@
#include <errno.h> #include <errno.h>
#if __aarch64__ #if __aarch64__
#else #else
struct gpiod_chip *gpiod_chip_open(const char *path){return NULL;} struct gpiod_chip *gpiod_chip_open(const char *path)
struct gpiod_line_settings *gpiod_line_settings_new(void){} {
int gpiod_line_settings_set_direction(struct gpiod_line_settings *settings, return NULL;
enum gpiod_line_direction direction){return 0;} }
int gpiod_line_settings_set_output_value(struct gpiod_line_settings *settings, struct gpiod_line_settings *gpiod_line_settings_new(void)
enum gpiod_line_value value){return 0;} {
struct gpiod_line_config *gpiod_line_config_new(void){return NULL;} }
int gpiod_line_config_add_line_settings(struct gpiod_line_config *config, int gpiod_line_settings_set_direction(struct gpiod_line_settings *settings, enum gpiod_line_direction direction)
const unsigned int *offsets, {
size_t num_offsets, return 0;
struct gpiod_line_settings *settings){return 0;} }
struct gpiod_request_config *gpiod_request_config_new(void){} int gpiod_line_settings_set_output_value(struct gpiod_line_settings *settings, enum gpiod_line_value value)
void gpiod_request_config_set_consumer(struct gpiod_request_config *config, {
const char *consumer){} return 0;
struct gpiod_line_request * }
gpiod_chip_request_lines(struct gpiod_chip *chip, struct gpiod_line_config *gpiod_line_config_new(void)
struct gpiod_request_config *req_cfg, {
struct gpiod_line_config *line_cfg){return NULL;} return NULL;
int gpiod_line_request_set_value(struct gpiod_line_request *request, }
unsigned int offset, int gpiod_line_config_add_line_settings(struct gpiod_line_config *config, const unsigned int *offsets,
enum gpiod_line_value value){} size_t num_offsets, struct gpiod_line_settings *settings)
enum gpiod_line_value {
gpiod_line_request_get_value(struct gpiod_line_request *request, return 0;
unsigned int offset) {} }
void gpiod_line_request_release(struct gpiod_line_request *request) {} struct gpiod_request_config *gpiod_request_config_new(void)
void gpiod_request_config_free(struct gpiod_request_config *config){} {
void gpiod_line_config_free(struct gpiod_line_config *config){} }
void gpiod_line_settings_free(struct gpiod_line_settings *settings){} void gpiod_request_config_set_consumer(struct gpiod_request_config *config, const char *consumer)
void gpiod_chip_close(struct gpiod_chip *chip){} {
}
struct gpiod_line_request *gpiod_chip_request_lines(struct gpiod_chip *chip, struct gpiod_request_config *req_cfg,
struct gpiod_line_config *line_cfg)
{
return NULL;
}
int gpiod_line_request_set_value(struct gpiod_line_request *request, unsigned int offset, enum gpiod_line_value value)
{
}
enum gpiod_line_value gpiod_line_request_get_value(struct gpiod_line_request *request, unsigned int offset)
{
}
void gpiod_line_request_release(struct gpiod_line_request *request)
{
}
void gpiod_request_config_free(struct gpiod_request_config *config)
{
}
void gpiod_line_config_free(struct gpiod_line_config *config)
{
}
void gpiod_line_settings_free(struct gpiod_line_settings *settings)
{
}
void gpiod_chip_close(struct gpiod_chip *chip)
{
}
#endif #endif
GPIO::GPIO(Direction dir, uint8_t gpio, bool state, QObject* parent) GPIO::GPIO(Direction dir, uint8_t gpio, bool state, QObject *parent) : QObject(parent), m_offset(gpio)
: QObject(parent), m_offset(gpio)
{ {
if (dir == Direction::Output) if (dir == Direction::Output)
{ {
m_request = request_output_line("/dev/gpiochip0", gpio, (enum gpiod_line_value)state, "unisim_cpp"); m_request = request_output_line("/dev/gpiochip0", gpio, (enum gpiod_line_value)state, "unisim_cpp");
if (!m_request) { if (!m_request)
SPDLOG_ERROR("failed to request line: {}", {
strerror(errno)); SPDLOG_ERROR("failed to request line: {}", strerror(errno));
} }
return; return;
} }
if (dir == Direction::Input) if (dir == Direction::Input)
{ {
m_request = request_input_line("/dev/gpiochip0", gpio, "unisim_cpp"); m_request = request_input_line("/dev/gpiochip0", gpio, "unisim_cpp");
if (!m_request) { if (!m_request)
fprintf(stderr, "failed to request line: %s\n", {
strerror(errno)); fprintf(stderr, "failed to request line: %s\n", strerror(errno));
} }
} }
} }
@@ -81,8 +107,7 @@ bool GPIO::value()
#endif #endif
} }
struct gpiod_line_request * struct gpiod_line_request *GPIO::request_output_line(const char *chip_path, unsigned int offset,
GPIO::request_output_line(const char *chip_path, unsigned int offset,
enum gpiod_line_value value, const char *consumer) enum gpiod_line_value value, const char *consumer)
{ {
struct gpiod_request_config *req_cfg = NULL; struct gpiod_request_config *req_cfg = NULL;
@@ -100,20 +125,19 @@ GPIO::request_output_line(const char *chip_path, unsigned int offset,
if (!settings) if (!settings)
goto close_chip; goto close_chip;
gpiod_line_settings_set_direction(settings, gpiod_line_settings_set_direction(settings, GPIOD_LINE_DIRECTION_OUTPUT);
GPIOD_LINE_DIRECTION_OUTPUT);
gpiod_line_settings_set_output_value(settings, value); gpiod_line_settings_set_output_value(settings, value);
line_cfg = gpiod_line_config_new(); line_cfg = gpiod_line_config_new();
if (!line_cfg) if (!line_cfg)
goto free_settings; goto free_settings;
ret = gpiod_line_config_add_line_settings(line_cfg, &offset, 1, ret = gpiod_line_config_add_line_settings(line_cfg, &offset, 1, settings);
settings);
if (ret) if (ret)
goto free_line_config; goto free_line_config;
if (consumer) { if (consumer)
{
req_cfg = gpiod_request_config_new(); req_cfg = gpiod_request_config_new();
if (!req_cfg) if (!req_cfg)
goto free_line_config; goto free_line_config;
@@ -137,9 +161,7 @@ close_chip:
return request; return request;
} }
struct gpiod_line_request *GPIO::request_input_line(const char *chip_path, struct gpiod_line_request *GPIO::request_input_line(const char *chip_path, unsigned int offset, const char *consumer)
unsigned int offset,
const char *consumer)
{ {
struct gpiod_request_config *req_cfg = NULL; struct gpiod_request_config *req_cfg = NULL;
struct gpiod_line_request *request = NULL; struct gpiod_line_request *request = NULL;
@@ -162,12 +184,12 @@ struct gpiod_line_request *GPIO::request_input_line(const char *chip_path,
if (!line_cfg) if (!line_cfg)
goto free_settings; goto free_settings;
ret = gpiod_line_config_add_line_settings(line_cfg, &offset, 1, ret = gpiod_line_config_add_line_settings(line_cfg, &offset, 1, settings);
settings);
if (ret) if (ret)
goto free_line_config; goto free_line_config;
if (consumer) { if (consumer)
{
req_cfg = gpiod_request_config_new(); req_cfg = gpiod_request_config_new();
if (!req_cfg) if (!req_cfg)
goto free_line_config; goto free_line_config;
server/gpio/gpio.hpp
+26 -15
View File
@@ -5,12 +5,23 @@
#ifdef __aarch64__ #ifdef __aarch64__
#include <gpiod.h> #include <gpiod.h>
#else #else
struct gpiod_line_request{}; struct gpiod_line_request
struct gpiod_request_config{}; {
struct gpiod_line_settings{}; };
struct gpiod_line_config{}; struct gpiod_request_config
struct gpiod_chip{}; {
enum gpiod_line_value { };
struct gpiod_line_settings
{
};
struct gpiod_line_config
{
};
struct gpiod_chip
{
};
enum gpiod_line_value
{
GPIOD_LINE_VALUE_ERROR = -1, GPIOD_LINE_VALUE_ERROR = -1,
/**< Returned to indicate an error when reading the value. */ /**< Returned to indicate an error when reading the value. */
GPIOD_LINE_VALUE_INACTIVE = 0, GPIOD_LINE_VALUE_INACTIVE = 0,
@@ -18,7 +29,8 @@ enum gpiod_line_value {
GPIOD_LINE_VALUE_ACTIVE = 1, GPIOD_LINE_VALUE_ACTIVE = 1,
/**< Line is logically active. */ /**< Line is logically active. */
}; };
enum gpiod_line_direction { enum gpiod_line_direction
{
GPIOD_LINE_DIRECTION_AS_IS = 1, GPIOD_LINE_DIRECTION_AS_IS = 1,
/**< Request the line(s), but don't change direction. */ /**< Request the line(s), but don't change direction. */
GPIOD_LINE_DIRECTION_INPUT, GPIOD_LINE_DIRECTION_INPUT,
@@ -29,25 +41,24 @@ enum gpiod_line_direction {
}; };
#endif #endif
class GPIO : public QObject { class GPIO : public QObject
{
Q_OBJECT Q_OBJECT
public: public:
enum Direction { enum Direction
{
Input, Input,
Output Output
}; };
explicit GPIO(Direction dir, uint8_t gpio, bool state = false, QObject* parent = nullptr); explicit GPIO(Direction dir, uint8_t gpio, bool state = false, QObject *parent = nullptr);
~GPIO(); ~GPIO();
void set_value(bool val); void set_value(bool val);
bool value(); bool value();
private: private:
struct gpiod_line_request * struct gpiod_line_request *request_output_line(const char *chip_path, unsigned int offset,
request_output_line(const char *chip_path, unsigned int offset,
enum gpiod_line_value value, const char *consumer); enum gpiod_line_value value, const char *consumer);
struct gpiod_line_request *request_input_line(const char *chip_path, struct gpiod_line_request *request_input_line(const char *chip_path, unsigned int offset, const char *consumer);
unsigned int offset,
const char *consumer);
struct gpiod_line_request *m_request; struct gpiod_line_request *m_request;
unsigned int m_offset; unsigned int m_offset;