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b57cbba805
Author | SHA1 | Date | |
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ptrcnull | b57cbba805 | ||
ptrcnull | f5101f8915 |
17
src/main.zig
17
src/main.zig
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@ -13,6 +13,7 @@ pub fn main() !void {
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defer std.process.argsFree(allocator, args);
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var target: u8 = 15;
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var battery: []const u8 = "BAT0";
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for (args, 0..) |arg, i| {
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if (std.mem.eql(u8, arg, "--help")) {
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@ -21,7 +22,8 @@ pub fn main() !void {
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\\Usage: bat-alert [options]
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\\
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\\Options:
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\\ -t, --target NUM Target battery level
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\\ -t, --target NUM Target battery level (default: 15)
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\\ --battery NAME Battery name (default: BAT0)
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\\
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, .{});
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std.process.exit(0);
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@ -39,12 +41,22 @@ pub fn main() !void {
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};
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target = parsedTarget;
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}
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if (std.mem.eql(u8, arg, "--battery")) {
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if (i + 1 == args.len) {
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std.log.err("--battery requires an argument", .{});
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std.process.exit(1);
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}
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battery = args[i + 1];
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}
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}
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var sent = false;
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const batteryPath = try std.fmt.allocPrint(allocator, "/sys/class/power_supply/{s}/capacity", .{battery});
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while (true) {
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const capacityFile = try std.fs.openFileAbsolute("/sys/class/power_supply/BAT0/capacity", .{});
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const capacityFile = try std.fs.openFileAbsolute(batteryPath, .{});
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var capacityStr = std.ArrayList(u8).init(allocator);
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try capacityFile.reader().streamUntilDelimiter(capacityStr.writer(), '\n', null);
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capacityFile.close();
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@ -66,6 +78,7 @@ pub fn main() !void {
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} else {
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sent = false;
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}
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capacityStr.deinit();
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std.time.sleep(10 * 1e9);
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}
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