add better err msg
This commit is contained in:
parent
83bfcdbd54
commit
f3615c5adf
3 changed files with 22 additions and 12 deletions
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@ -17,11 +17,12 @@
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*************************************************************************** */
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*************************************************************************** */
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int get_battery_level(const char *device_path, bool *is_charging) {
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int get_battery_level(const char *device_path, bool *is_charging) {
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HANDLE hDevice = CreateFile(device_path, GENERIC_READ | GENERIC_WRITE,
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HANDLE hDevice;
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
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if ((hDevice = CreateFile(device_path, GENERIC_READ | GENERIC_WRITE,
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OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
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if (hDevice == INVALID_HANDLE_VALUE) {
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OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL)) ==
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fprintf_s(stderr, "Failed to open device.\n");
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INVALID_HANDLE_VALUE) {
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fprintf_s(stderr, "[%lu] Failed to open device.\n", GetLastError());
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return -1;
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return -1;
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}
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}
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@ -33,7 +34,8 @@ int get_battery_level(const char *device_path, bool *is_charging) {
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// Send the report
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// Send the report
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if (!HidD_SetFeature(hDevice, report, RAZER_REPORT_LEN)) {
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if (!HidD_SetFeature(hDevice, report, RAZER_REPORT_LEN)) {
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fprintf_s(stderr, "Failed to send report to device.\n");
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fprintf_s(stderr, "[%lu] Failed to send report to device.\n",
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GetLastError());
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CloseHandle(hDevice);
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CloseHandle(hDevice);
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return -1;
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return -1;
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@ -41,7 +43,8 @@ int get_battery_level(const char *device_path, bool *is_charging) {
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// Read the response
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// Read the response
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if (!HidD_GetFeature(hDevice, report, RAZER_REPORT_LEN)) {
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if (!HidD_GetFeature(hDevice, report, RAZER_REPORT_LEN)) {
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fprintf_s(stderr, "Failed to read report from device.\n");
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fprintf_s(stderr, "[%lu] Failed to read report from device.\n",
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GetLastError());
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CloseHandle(hDevice);
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CloseHandle(hDevice);
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return -1;
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return -1;
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15
src/helper.c
15
src/helper.c
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@ -6,7 +6,7 @@
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#include <setupapi.h>
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#include <setupapi.h>
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#include <stdio.h>
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#include <stdio.h>
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#define VID 0x1532
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#define VID_RAZER 0x1532
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void find_device_path(int pid, char *device_path) {
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void find_device_path(int pid, char *device_path) {
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GUID hidGuid;
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GUID hidGuid;
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@ -15,7 +15,9 @@ void find_device_path(int pid, char *device_path) {
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HDEVINFO hDevInfo = SetupDiGetClassDevs(
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HDEVINFO hDevInfo = SetupDiGetClassDevs(
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&hidGuid, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
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&hidGuid, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
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if (hDevInfo == INVALID_HANDLE_VALUE) {
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if (hDevInfo == INVALID_HANDLE_VALUE) {
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fprintf_s(stderr, "Failed to get device information.\n");
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fprintf_s(stderr, "[%lu] Failed to get any device information\n",
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GetLastError());
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return;
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return;
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}
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}
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@ -24,7 +26,7 @@ void find_device_path(int pid, char *device_path) {
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for (DWORD i = 0; SetupDiEnumDeviceInterfaces(hDevInfo, NULL, &hidGuid, i,
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for (DWORD i = 0; SetupDiEnumDeviceInterfaces(hDevInfo, NULL, &hidGuid, i,
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&deviceInterfaceData);
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&deviceInterfaceData);
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i++) {
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++i) {
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DWORD requiredSize;
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DWORD requiredSize;
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SetupDiGetDeviceInterfaceDetail(hDevInfo, &deviceInterfaceData, NULL, 0,
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SetupDiGetDeviceInterfaceDetail(hDevInfo, &deviceInterfaceData, NULL, 0,
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&requiredSize, NULL);
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&requiredSize, NULL);
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@ -35,6 +37,7 @@ void find_device_path(int pid, char *device_path) {
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fprintf_s(
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fprintf_s(
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stderr,
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stderr,
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"Failed to allocated memory for PSP_DEVICE_INTERFACE_DETAIL_DATA.\n");
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"Failed to allocated memory for PSP_DEVICE_INTERFACE_DETAIL_DATA.\n");
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return;
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return;
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}
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}
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detailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
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detailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
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@ -44,21 +47,25 @@ void find_device_path(int pid, char *device_path) {
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HANDLE hDevice = CreateFile(
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HANDLE hDevice = CreateFile(
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detailData->DevicePath, GENERIC_READ | GENERIC_WRITE,
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detailData->DevicePath, GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
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if (hDevice != INVALID_HANDLE_VALUE) {
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if (hDevice != INVALID_HANDLE_VALUE) {
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// Get device attributes
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// Get device attributes
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HIDD_ATTRIBUTES attributes;
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HIDD_ATTRIBUTES attributes;
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attributes.Size = sizeof(HIDD_ATTRIBUTES);
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attributes.Size = sizeof(HIDD_ATTRIBUTES);
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if (HidD_GetAttributes(hDevice, &attributes)) {
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if (HidD_GetAttributes(hDevice, &attributes)) {
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// Check VID and PID
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// Check VID and PID
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if (attributes.VendorID == VID && attributes.ProductID == pid) {
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if (attributes.VendorID == VID_RAZER && attributes.ProductID == pid) {
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strcpy(device_path, detailData->DevicePath);
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strcpy(device_path, detailData->DevicePath);
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CloseHandle(hDevice);
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CloseHandle(hDevice);
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break;
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break;
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}
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}
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}
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}
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CloseHandle(hDevice);
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CloseHandle(hDevice);
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}
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}
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}
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}
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free(detailData);
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free(detailData);
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}
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}
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@ -6,7 +6,7 @@
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int main(void) {
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int main(void) {
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char device_path[2048];
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char device_path[2048];
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int min_len = 10;
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unsigned long long min_len = 10;
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// Try wired
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// Try wired
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find_device_path(USB_DEVICE_ID_RAZER_VIPER_ULTIMATE_WIRED, device_path);
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find_device_path(USB_DEVICE_ID_RAZER_VIPER_ULTIMATE_WIRED, device_path);
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