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-rw-r--r--evdev.c (renamed from uinput.c)88
-rw-r--r--evdev.h26
-rw-r--r--makefile2
-rw-r--r--uinput.h28
4 files changed, 70 insertions, 74 deletions
diff --git a/uinput.c b/evdev.c
index cf86959..1355c06 100644
--- a/uinput.c
+++ b/evdev.c
@@ -8,40 +8,39 @@
#include <sys/ioctl.h>
#include "midimonster.h"
-#include "uinput.h"
+#include "evdev.h"
-#define BACKEND_NAME "uinput"
+#define BACKEND_NAME "evdev"
#define UINPUT_PATH "/dev/uinput"
-int init() {
-
- backend uinput = {
+int init(){
+ backend evdev = {
.name = BACKEND_NAME,
- .conf = backend_configure,
- .create = backend_instance,
- .conf_instance = backend_configure_instance,
- .channel = backend_channel,
- .handle = backend_set,
- .process = backend_handle,
- .start = backend_start,
- .shutdown = backend_shutdown
+ .conf = evdev_configure,
+ .create = evdev_instance,
+ .conf_instance = evdev_configure_instance,
+ .channel = evdev_channel,
+ .handle = evdev_set,
+ .process = evdev_handle,
+ .start = evdev_start,
+ .shutdown = evdev_shutdown
};
- if (mm_backend_register(uinput)) {
- fprintf(stderr, "Failed to register uinput backend\n");
+ if(mm_backend_register(evdev)){
+ fprintf(stderr, "Failed to register evdev backend\n");
return 1;
}
return 0;
}
-static int backend_configure(char* option, char* value) {
- fprintf(stderr, "Not implemented\n");
+static int evdev_configure(char* option, char* value) {
+ //intentionally ignored
return 0;
}
-static int backend_configure_instance(instance* inst, char* option, char* value) {
- uinput_instance* data = (uinput_instance*) inst->impl;
+static int evdev_configure_instance(instance* inst, char* option, char* value) {
+ evdev_instance_data* data = (evdev_instance_data*) inst->impl;
if (!strcmp(option, "device")) {
if (data->device_path) {
@@ -67,14 +66,14 @@ static int backend_configure_instance(instance* inst, char* option, char* value)
return 1;
}
} else {
- fprintf(stderr, "Unkown configuration parameter %s for uinput backend\n", option);
+ fprintf(stderr, "Unkown configuration parameter %s for evdev backend\n", option);
return 1;
}
return 0;
}
-static channel* backend_channel(instance* inst, char* spec) {
- uinput_instance* data = (uinput_instance*) inst->impl;
+static channel* evdev_channel(instance* inst, char* spec) {
+ evdev_instance_data* data = (evdev_instance_data*) inst->impl;
char* next = spec;
// type
unsigned long type = strtoul(spec, &next, 10);
@@ -180,13 +179,13 @@ static channel* backend_channel(instance* inst, char* spec) {
return mm_channel(inst, u, 1);
}
-static instance* backend_instance() {
+static instance* evdev_instance() {
instance* inst = mm_instance();
if (!inst) {
return NULL;
}
- inst->impl = calloc(1, sizeof(uinput_instance));
+ inst->impl = calloc(1, sizeof(evdev_instance_data));
if (!inst->impl) {
fprintf(stderr, "Failed to allocate memory for instance\n");
return NULL;
@@ -194,7 +193,7 @@ static instance* backend_instance() {
return inst;
}
-static channel_value uinput_normalize(uinput_instance* data, uint64_t ident, struct input_event* event) {
+static channel_value evdev_normalize(evdev_instance_data* data, uint64_t ident, struct input_event* event) {
channel_value value = {};
switch (event->type) {
@@ -213,7 +212,7 @@ static channel_value uinput_normalize(uinput_instance* data, uint64_t ident, str
return value;
}
-static uint32_t uinput_convert_normalised(struct input_event event, channel_value* value) {
+static uint32_t evdev_convert_normalised(struct input_event event, channel_value* value) {
switch (event.type) {
case EV_KEY:
return value->normalised < 0.5;
@@ -225,12 +224,12 @@ static uint32_t uinput_convert_normalised(struct input_event event, channel_valu
}
-static int backend_handle(size_t num, managed_fd* fds) {
+static int evdev_handle(size_t num, managed_fd* fds) {
struct input_event event;
ssize_t bytes = 0;
uint64_t ident;
- uinput_instance* data;
+ evdev_instance_data* data;
channel* channel;
for (int i = 0; i < num; i++) {
@@ -240,7 +239,7 @@ static int backend_handle(size_t num, managed_fd* fds) {
fprintf(stderr, "Failed to read an complete event\n");
return 1;
}
- data = (uinput_instance*) fds[0].impl;
+ data = (evdev_instance_data*) fds[0].impl;
for (ident = 0; ident < data->size_events; ident++) {
if (data->events[ident].type == event.type
&& data->events[ident].code == event.code) {
@@ -257,7 +256,7 @@ static int backend_handle(size_t num, managed_fd* fds) {
if (channel) {
fprintf(stderr, "Channel found\n");
- if (mm_channel_event(channel, uinput_normalize(data, ident, &event))) {
+ if (mm_channel_event(channel, evdev_normalize(data, ident, &event))) {
return 1;
}
}
@@ -266,7 +265,7 @@ static int backend_handle(size_t num, managed_fd* fds) {
return 0;
}
-static int uinput_open_input_device(uinput_instance* data) {
+static int evdev_open_input_device(evdev_instance_data* data) {
if (!data->device_path) {
return 0;
}
@@ -292,7 +291,7 @@ static int uinput_open_input_device(uinput_instance* data) {
return 0;
}
-static int enable_device_keys(uinput_instance* data, int uinput_fd, struct uinput_user_dev* dev) {
+static int enable_device_keys(evdev_instance_data* data, int uinput_fd, struct uinput_user_dev* dev) {
unsigned int u;
int ret;
int action;
@@ -334,7 +333,7 @@ static int enable_device_keys(uinput_instance* data, int uinput_fd, struct uinpu
return 0;
}
-static int uinput_create_output_device(uinput_instance* data) {
+static int uinput_create_output_device(evdev_instance_data* data) {
int uinput_fd = open(UINPUT_PATH, O_WRONLY | O_NONBLOCK);
@@ -377,11 +376,10 @@ static int uinput_create_output_device(uinput_instance* data) {
return 0;
}
-static int backend_start() {
-
+static int evdev_start() {
size_t n;
instance** inst = NULL;
- uinput_instance* data;
+ evdev_instance_data* data;
if (mm_backend_instances(BACKEND_NAME, &n, &inst)) {
fprintf(stderr, "Failed to fetch instance list\n");
return 1;
@@ -393,14 +391,14 @@ static int backend_start() {
}
for (unsigned p = 0; p < n; p++) {
- data = (uinput_instance*) inst[p]->impl;
+ data = (evdev_instance_data*) inst[p]->impl;
if (data->name) {
uinput_create_output_device(data);
}
if (data->device_path) {
- uinput_open_input_device(data);
+ evdev_open_input_device(data);
}
data->ident = p;
inst[p]->ident = data->ident;
@@ -410,19 +408,19 @@ static int backend_start() {
return 0;
}
-static int backend_set(instance* inst, size_t num, channel** c, channel_value* v) {
+static int evdev_set(instance* inst, size_t num, channel** c, channel_value* v) {
size_t u;
- uinput_instance* data;
+ evdev_instance_data* data;
uint64_t ident;
int ret;
struct input_event event = {};
for (u = 0; u < num; u++) {
- data = (uinput_instance*) c[u]->instance->impl;
+ data = (evdev_instance_data*) c[u]->instance->impl;
ident = c[u]->ident;
memcpy(&event, &data->events[ident], sizeof(struct input_event));
- event.value = uinput_convert_normalised(event, v);
+ event.value = evdev_convert_normalised(event, v);
ret = write(data->fd_out, &event, sizeof(event));
if (ret < 0 ) {
@@ -443,8 +441,8 @@ static int backend_set(instance* inst, size_t num, channel** c, channel_value* v
return 0;
}
-static int backend_shutdown() {
- uinput_instance* data = NULL;
+static int evdev_shutdown() {
+ evdev_instance_data* data = NULL;
instance** instances = NULL;
size_t n = 0;
@@ -459,7 +457,7 @@ static int backend_shutdown() {
}
for (unsigned p = 0; p < n; p++) {
- data = (uinput_instance*) instances[p]->impl;
+ data = (evdev_instance_data*) instances[p]->impl;
if (data->fd_in < 0) {
close(data->fd_in);
data->fd_in = -1;
diff --git a/evdev.h b/evdev.h
new file mode 100644
index 0000000..dc3e669
--- /dev/null
+++ b/evdev.h
@@ -0,0 +1,26 @@
+#include <sys/types.h>
+#include <linux/input.h>
+
+#include "midimonster.h"
+
+int init();
+static int evdev_configure(char* option, char* value);
+static int evdev_configure_instance(instance* instance, char* option, char* value);
+static instance* evdev_instance();
+static channel* evdev_channel(instance* instance, char* spec);
+static int evdev_set(instance* inst, size_t num, channel** c, channel_value* v);
+static int evdev_handle(size_t num, managed_fd* fds);
+static int evdev_start();
+static int evdev_shutdown();
+
+/* uinput_instance */
+typedef struct {
+ int ident;
+ char* device_path;
+ char* name;
+ int fd_in;
+ int fd_out;
+ int exclusive;
+ size_t size_events;
+ struct input_event* events;
+} evdev_instance_data;
diff --git a/makefile b/makefile
index 7778ebd..493c690 100644
--- a/makefile
+++ b/makefile
@@ -1,5 +1,5 @@
.PHONY: clean
-BACKENDS = artnet.so midi.so osc.so loopback.so uinput.so
+BACKENDS = artnet.so midi.so osc.so loopback.so evdev.so
OBJS = config.o backend.o plugin.o
PLUGINDIR = "\"./\""
diff --git a/uinput.h b/uinput.h
deleted file mode 100644
index f61ca4f..0000000
--- a/uinput.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#pragma once
-
-#include <sys/types.h>
-#include <linux/input.h>
-
-#include "midimonster.h"
-
-int init();
-static int backend_configure(char* option, char* value);
-static int backend_configure_instance(instance* instance, char* option, char* value);
-static instance* backend_instance();
-static channel* backend_channel(instance* instance, char* spec);
-static int backend_set(instance* inst, size_t num, channel** c, channel_value* v);
-static int backend_handle(size_t num, managed_fd* fds);
-static int backend_start();
-static int backend_shutdown();
-
-/* uinput_instance */
-typedef struct {
- int ident;
- char* device_path;
- char* name;
- int fd_in;
- int fd_out;
- int exclusive;
- size_t size_events;
- struct input_event* events;
-} uinput_instance;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-24 23:31:05 +0000