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refactor
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This commit is contained in:
Dmitry Isaenko 2025-01-27 01:55:17 +03:00
parent c1926a6319
commit 1ebf9e3f66
5 changed files with 131 additions and 113 deletions
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129
src/argbColors.c
View file

@ -9,148 +9,49 @@
#include <stdlib.h>
#include "libusb-1.0/libusb.h"
#include "device_configuration.h"
#include "configuration.h"
#include "device_setup.c"
#include "init_terminate.c"
#include "commands.c"
#include "iousb.c"
#include "helpers.c"
int findDevice(libusb_device *dev){
struct libusb_device_descriptor desc;
int ret = libusb_get_device_descriptor(dev, &desc);
if (ret < 0) {
fprintf(stderr, "failed to get device descriptor");
return 0;
}
if (desc.idVendor == VID && desc.idProduct == PID){
printf("Device found: %04x:%04x\n", desc.idVendor, desc.idProduct);
return 1;
}
return 0;
}
int main(int argc, char *argv[]) {
libusb_context *context;
int ret = libusb_init_context(&context, /*options=*/NULL, /*num_options=*/0);
if (ret < 0){
printf("libusb_init_context failure\n");
return ret;
// if (argc < 2){
// printf("Missing arguments ('argbColors --help' for help)\n");
// return -1;
// }
int ret = configure_device();
if (ret != 0){
printf("%s - %d\n", libusb_error_name(ret), ret);
return -1;
}
libusb_device **devs;
ssize_t count = libusb_get_device_list(context, &devs);
if (count < 0) {
libusb_exit(NULL);
printf("libusb_get_device_list failed\n");
return 1;
}
// Get device list
libusb_device* device = NULL;
for (int i = 0; devs[i]; i++){
if (findDevice(devs[i])){
device = devs[i];
break;
}
}
if (device == NULL){
libusb_exit(NULL);
printf("Device not found\n");
return 1;
}
// Free device list
libusb_free_device_list(devs, 1);
ret = libusb_open(device, &dev_handle);
if (ret < 0) {
libusb_exit(NULL);
printf("libusb_open failed\n");
return ret;
}
// We will rule, not kernel modules :D
ret = libusb_set_auto_detach_kernel_driver(dev_handle, 1);
#ifdef DEBUG
printf("libusb_set_auto_detach_kernel_driver - %d\n", ret);
// Let's find out current CONFIGURATION
int bConfigurationValue;
ret = libusb_get_configuration(dev_handle, &bConfigurationValue);
if (ret < 0) {
libusb_exit(NULL);
printf("libusb_get_configuration failed: %d\n", ret);
return ret;
}
printf("Current bConfigurationValue: %d\n", bConfigurationValue);
#endif
// Check if device used by kernel drivers already
ret = libusb_kernel_driver_active(dev_handle, 1);
printf("Kernel driver is%s", ret == 0?" not active\n":"active and ");
// Active? Let's try to get control
if(ret != LIBUSB_ERROR_NOT_SUPPORTED && ret < 0){
ret = libusb_detach_kernel_driver(dev_handle, 1);
if (ret != LIBUSB_ERROR_NOT_SUPPORTED && ret < 0) {
libusb_exit(NULL);
printf("detach kernel driver attempt failed: %d\n", ret);
return ret;
}
}
/*
// Now let's reset device
// Or just comment it out, since it's always this kinda shit appears: [25465.608100] usb 3-13: usbfs: interface 0 claimed by usbhid while 'argbColors' sets config #1
// Either way it works
ret = libusb_set_configuration(dev_handle, 1);
if (ret < 0) {
libusb_exit(NULL);
printf("libusb_set_configuration failed: %d\n", ret);
return ret;
}
*/
// Claim interface
ret = libusb_claim_interface(dev_handle, 1);
if (ret < 0) {
libusb_exit(NULL);
printf("libusb_claim_interface failed: %d\n", ret);
return ret;
}
if (init_sequence()){
printf("Initial sequence transfer failure\n");
libusb_close(dev_handle);
return -1;
}
/*
if (cycle(0, 4)){
printf("Command transfer failure\n");
libusb_close(dev_handle);
return -1;
}
/*
if (impulse(0, 0xff, 0x2f, 0xff)){
printf("Command transfer failure\n");
libusb_close(dev_handle);
return -1;
}
/*
//*/
// 0xff, 0x2f, 0xff <3
if(staticColorSeparate(0xff, 0xff, 0x2b, 0x00)){
printf("Command transfer failure\n");
libusb_close(dev_handle);
return -1;
}
//*/
if (terminate_sequence()){
printf("Termination sequence transfer failure\n");
libusb_close(dev_handle);

2
src/commands.c
View file

@ -1,3 +1,5 @@
#include "iousb.c"
unsigned char end_transaction[64] = { 0xcc, 0x28, 0xff, 0x07, }; //cc28ff07
unsigned char end_alt_transaction[64] = { 0xcc, 0x28, 0x04, }; //cc2804

1
src/device_configuration.h → src/configuration.h
View file

@ -3,6 +3,7 @@
void print_array(unsigned char* buf, int size);
int writeUsb(unsigned char *message);
int readUsb();
int configure_device();
libusb_device_handle* dev_handle;
const uint16_t VID = 0x048d; // REAL

112
src/device_setup.c Normal file
View file

@ -0,0 +1,112 @@
int findDevice(libusb_device *dev){
struct libusb_device_descriptor desc;
int ret = libusb_get_device_descriptor(dev, &desc);
if (ret < 0) {
fprintf(stderr, "failed to get device descriptor");
return 0;
}
if (desc.idVendor == VID && desc.idProduct == PID){
printf("Device found: %04x:%04x\n", desc.idVendor, desc.idProduct);
return 1;
}
return 0;
}
int configure_device(){
libusb_context *context;
int ret = libusb_init_context(&context, /*options=*/NULL, /*num_options=*/0);
if (ret < 0){
printf("libusb_init_context failure\n");
return ret;
}
libusb_device **devs;
ssize_t count = libusb_get_device_list(context, &devs);
if (count < 0) {
libusb_exit(NULL);
printf("libusb_get_device_list failed\n");
return 1;
}
// Get device list
libusb_device* device = NULL;
for (int i = 0; devs[i]; i++){
if (findDevice(devs[i])){
device = devs[i];
break;
}
}
if (device == NULL){
libusb_exit(NULL);
printf("Device not found\n");
return 1;
}
// Free device list
libusb_free_device_list(devs, 1);
ret = libusb_open(device, &dev_handle);
if (ret < 0) {
libusb_exit(NULL);
printf("libusb_open failed\n");
return ret;
}
// We will rule, not kernel modules :D
ret = libusb_set_auto_detach_kernel_driver(dev_handle, 1);
#ifdef DEBUG
printf("libusb_set_auto_detach_kernel_driver - %d\n", ret);
// Let's find out current CONFIGURATION
int bConfigurationValue;
ret = libusb_get_configuration(dev_handle, &bConfigurationValue);
if (ret < 0) {
libusb_exit(NULL);
printf("libusb_get_configuration failed: %d\n", ret);
return ret;
}
printf("Current bConfigurationValue: %d\n", bConfigurationValue);
#endif
// Check if device used by kernel drivers already
ret = libusb_kernel_driver_active(dev_handle, 1);
printf("Kernel driver is%s", ret == 0?" not active\n":"active and ");
// Active? Let's try to get control
if(ret != LIBUSB_ERROR_NOT_SUPPORTED && ret < 0){
ret = libusb_detach_kernel_driver(dev_handle, 1);
if (ret != LIBUSB_ERROR_NOT_SUPPORTED && ret < 0) {
libusb_exit(NULL);
printf("detach kernel driver attempt failed: %d\n", ret);
return ret;
}
}
/*
// Now let's reset device
// Or just comment it out, since it's always this kinda shit appears: [25465.608100] usb 3-13: usbfs: interface 0 claimed by usbhid while 'argbColors' sets config #1
// Either way it works
ret = libusb_set_configuration(dev_handle, 1);
if (ret < 0) {
libusb_exit(NULL);
printf("libusb_set_configuration failed: %d\n", ret);
return ret;
}
*/
// Claim interface
ret = libusb_claim_interface(dev_handle, 1);
if (ret < 0) {
libusb_exit(NULL);
printf("libusb_claim_interface failed: %d\n", ret);
return ret;
}
return 0;
}

2
src/iousb.c
View file

@ -1,3 +1,5 @@
#include "helpers.c"
int writeUsb(unsigned char *message){
#ifndef DEBUG
printf("\r%02d / %02d (write)", ++counter, limit);