From c2ae875a8269cd3a1529938d3ab3b418d5a69239 Mon Sep 17 00:00:00 2001
From: vhaudiquet <vhaudiquet343@hotmail.fr>
Date: Tue, 19 Sep 2023 15:06:41 +0200
Subject: [PATCH] Proof-of-concept driver added

---
 Makefile                      |  8 ++++++--
 drivers/Makefile              | 12 ++++++++++++
 drivers/g-wolves/Makefile     |  7 +++++++
 drivers/g-wolves/htx/Makefile | 10 ++++++++++
 drivers/g-wolves/htx/htx.c    | 26 ++++++++++++++++++++++++++
 src/device/device.c           |  2 +-
 src/device/usb/usb.c          | 22 +++++++++++-----------
 7 files changed, 73 insertions(+), 14 deletions(-)
 create mode 100644 drivers/Makefile
 create mode 100644 drivers/g-wolves/Makefile
 create mode 100644 drivers/g-wolves/htx/Makefile
 create mode 100644 drivers/g-wolves/htx/htx.c

diff --git a/Makefile b/Makefile
index fd6217d..30df0e3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,13 +1,13 @@
 NAME=ginput
 CC=gcc
-CFLAGS=$(shell pkg-config --cflags gtk4 libadwaita-1 libusb-1.0) -O3 -I src
+CFLAGS=$(shell pkg-config --cflags gtk4 libadwaita-1 libusb-1.0) -O3 -Wall -I src
 LDFLAGS=$(shell pkg-config --libs gtk4 libadwaita-1 libusb-1.0)
 BUILD_DIR=build
 
 UI := $(shell find ui/ -name '*.ui')
 C_FILES := $(shell find src/ -name '*.c')
 
-all: resources $(BUILD_DIR)/$(NAME)
+all: resources $(BUILD_DIR)/$(NAME) $(BUILD_DIR)/drivers
 
 # Top-level targets
 resources: $(BUILD_DIR)/glib-2.0/schemas/gschemas.compiled
@@ -29,6 +29,10 @@ $(BUILD_DIR)/glib-2.0/schemas/gschemas.compiled: v.ginput.gschema.xml | $(BUILD_
 	mkdir -p $(BUILD_DIR)/glib-2.0/schemas
 	glib-compile-schemas . --targetdir=$(BUILD_DIR)/glib-2.0/schemas
 
+# Drivers
+$(BUILD_DIR)/drivers:
+	cd drivers && make
+
 # Phony targets
 .PHONY: clean
 clean:
diff --git a/drivers/Makefile b/drivers/Makefile
new file mode 100644
index 0000000..c8dc9ce
--- /dev/null
+++ b/drivers/Makefile
@@ -0,0 +1,12 @@
+SUBDIRS := $(wildcard */.)
+BUILD_DIR=../build/
+
+all: $(BUILD_DIR)/drivers/ $(SUBDIRS)
+
+$(SUBDIRS):
+		$(MAKE) -C $@
+
+.PHONY: all $(SUBDIRS)
+
+$(BUILD_DIR)/drivers/:
+	mkdir -p $(BUILD_DIR)/drivers/
diff --git a/drivers/g-wolves/Makefile b/drivers/g-wolves/Makefile
new file mode 100644
index 0000000..61533ed
--- /dev/null
+++ b/drivers/g-wolves/Makefile
@@ -0,0 +1,7 @@
+SUBDIRS := $(wildcard */.)
+
+all: $(SUBDIRS)
+$(SUBDIRS):
+		$(MAKE) -C $@
+
+.PHONY: all $(SUBDIRS)
diff --git a/drivers/g-wolves/htx/Makefile b/drivers/g-wolves/htx/Makefile
new file mode 100644
index 0000000..d9f97a2
--- /dev/null
+++ b/drivers/g-wolves/htx/Makefile
@@ -0,0 +1,10 @@
+CC=gcc
+CFLAGS=$(shell pkg-config --cflags libusb-1.0) -O3 -Wall -shared
+LDFLAGS=$(shell pkg-config --libs libusb-1.0)
+
+BUILD_DIR=../../../build/
+
+all: $(BUILD_DIR)/drivers/gwolves-htx.so
+
+$(BUILD_DIR)/drivers/gwolves-htx.so: htx.c | $(BUILD_DIR)/drivers/
+	gcc $(CFLAGS) -o $@ $^
diff --git a/drivers/g-wolves/htx/htx.c b/drivers/g-wolves/htx/htx.c
new file mode 100644
index 0000000..acc8d0a
--- /dev/null
+++ b/drivers/g-wolves/htx/htx.c
@@ -0,0 +1,26 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdio.h>
+
+#define DEVICE_NAME "HTX 4K"
+
+void driver_init(void)
+{
+    printf("Hello from G-Wolves HTX driver !\n");
+}
+
+uint32_t driver_getkey(void)
+{
+    return 0;
+}
+
+char* driver_get_name(void)
+{
+    return DEVICE_NAME;
+}
+
+char* driver_get_image(void)
+{
+    return "g-wolves/htx/htx_0.png";
+}
diff --git a/src/device/device.c b/src/device/device.c
index afae99d..eafa08e 100644
--- a/src/device/device.c
+++ b/src/device/device.c
@@ -4,7 +4,7 @@
 
 struct DEVICE
 {
-
+    void* driver;
 };
 
 array_t* device_array;
diff --git a/src/device/usb/usb.c b/src/device/usb/usb.c
index 80fcfc4..22ed29b 100644
--- a/src/device/usb/usb.c
+++ b/src/device/usb/usb.c
@@ -89,16 +89,16 @@ void usb_init()
         struct libusb_device_descriptor desc;
         libusb_get_device_descriptor(current, &desc);
 
-        printf("Found usb device %04x:%04x\n", desc.idVendor, desc.idProduct);
-        array_t* array = device_get_array();
-        array_add(array, 0);
-
-        libusb_device_handle* handle;
-        libusb_open(current, &handle);
-        char buf[4096] = {0};
-        libusb_get_string_descriptor_ascii(handle, 1, buf, 4096);
-        printf("Device desc (1): %s\n", buf);
-        libusb_get_string_descriptor_ascii(handle, 2, buf, 4096);
-        printf("Device desc (2): %s\n", buf);
+        // printf("Found usb device %04x:%04x\n", desc.idVendor, desc.idProduct);
+        // array_t* array = device_get_array();
+        // array_add(array, 0);
+
+        // libusb_device_handle* handle;
+        // libusb_open(current, &handle);
+        // char buf[4096] = {0};
+        // libusb_get_string_descriptor_ascii(handle, 1, buf, 4096);
+        // printf("Device desc (1): %s\n", buf);
+        // libusb_get_string_descriptor_ascii(handle, 2, buf, 4096);
+        // printf("Device desc (2): %s\n", buf);
     }
 }