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This commit is contained in:
Mylloon 2024-04-03 13:55:40 +02:00
parent 18b70e6ced
commit fde1e7ccc7
Signed by: Anri
GPG key ID: A82D63DFF8D1317F
1 changed files with 40 additions and 5 deletions
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45
src/battery.c
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@ -5,19 +5,54 @@
#include <hidsdi.h>
#include <stdio.h>
#define RAZER_REPORT_ID_BATTERY 0x03
#define RAZER_BATTERY_REPORT_SIZE 64
#define RAZER_BATTERY_LEVEL_INDEX 3
#define RAZER_CHARGING_STATUS_INDEX 4
/*****************************************************************************
*
* This code doesn't work.
*
*************************************************************************** */
int get_battery_level(const char *device_path, bool *is_charging) {
HANDLE hDevice =
CreateFile(device_path, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, NULL);
HANDLE hDevice = CreateFile(device_path, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
if (hDevice == INVALID_HANDLE_VALUE) {
fprintf_s(stderr, "Failed to open device.\n");
return -1;
}
int batteryLevel;
unsigned char report[RAZER_BATTERY_REPORT_SIZE] = {0};
DWORD bytesReturned;
// TODO
// Prepare the report to request battery information
report[0] = RAZER_REPORT_ID_BATTERY;
// Send the report
if (!HidD_SetFeature(hDevice, report, RAZER_BATTERY_REPORT_SIZE)) {
fprintf_s(stderr, "Failed to send report to device.\n");
CloseHandle(hDevice);
return -1;
}
// Read the response
if (!HidD_GetFeature(hDevice, report, RAZER_BATTERY_REPORT_SIZE)) {
fprintf_s(stderr, "Failed to read report from device.\n");
CloseHandle(hDevice);
return -1;
}
// Extract battery level
int batteryLevel = report[RAZER_BATTERY_LEVEL_INDEX];
// Extract charging status
*is_charging = (report[RAZER_CHARGING_STATUS_INDEX] != 0);
CloseHandle(hDevice);
return batteryLevel;