From c8e412fa34af020c6f0b2408af3eb52aad984c2e Mon Sep 17 00:00:00 2001
From: George Kaklamanos <gkaklas@gkaklas.gr>
Date: Fri, 30 Jun 2023 20:44:37 +0300
Subject: [PATCH] Add configuration options for GPIO

---
 labadoor-gpio/src/lib.rs | 12 ++++++------
 labadoor/config.toml     |  6 ++++++
 labadoor/src/cli.rs      | 15 ++++++++++++++-
 labadoor/src/main.rs     | 10 ++++++++--
 4 files changed, 34 insertions(+), 9 deletions(-)

diff --git a/labadoor-gpio/src/lib.rs b/labadoor-gpio/src/lib.rs
index 980afb3..a638896 100644
--- a/labadoor-gpio/src/lib.rs
+++ b/labadoor-gpio/src/lib.rs
@@ -1,13 +1,13 @@
 use gpio_cdev::{Chip, LineRequestFlags};
 
-pub fn gpio() {
-    let mut chip = Chip::new("/dev/gpiochip0").unwrap();
+pub fn gpio(device: String, pin: u8, active_low: bool, active_time: u32) {
+    let mut chip = Chip::new(device).unwrap();
     let handle = chip
-        .get_line(6)
+        .get_line(pin as u32)
         .unwrap()
         .request(LineRequestFlags::OUTPUT, 1, "labadoor-gpio")
         .unwrap();
-    handle.set_value(1).unwrap();
-    std::thread::sleep(std::time::Duration::from_millis(2000));
-    handle.set_value(0).unwrap();
+    handle.set_value(!active_low as u8).unwrap();
+    std::thread::sleep(std::time::Duration::from_millis(active_time as u64));
+    handle.set_value(active_low as u8).unwrap();
 }
diff --git a/labadoor/config.toml b/labadoor/config.toml
index 8222edf..b1a4807 100644
--- a/labadoor/config.toml
+++ b/labadoor/config.toml
@@ -4,3 +4,9 @@ token = ""
 [matrix]
 username = ""
 password = ""
+
+[gpio]
+device = ""
+pin = 1
+active_low = false
+active_time = 2000
diff --git a/labadoor/src/cli.rs b/labadoor/src/cli.rs
index 1ae060f..85edeb1 100644
--- a/labadoor/src/cli.rs
+++ b/labadoor/src/cli.rs
@@ -16,7 +16,7 @@ pub enum Command {
     #[cfg(feature = "csv")]
     CSV,
     #[cfg(feature = "gpio")]
-    GPIO,
+    GPIO(GPIO),
 }
 
 #[cfg(feature = "telegram")]
@@ -35,6 +35,19 @@ pub struct Matrix {
     pub password: Option<String>,
 }
 
+#[cfg(feature = "gpio")]
+#[derive(Deserialize, Parser, Debug)]
+pub struct GPIO {
+    #[clap(short, long)]
+    pub device: Option<String>,
+    #[clap(short, long)]
+    pub pin: Option<u8>,
+    #[clap(short, long)]
+    pub active_low: Option<bool>,
+    #[clap(short = 't', long)]
+    pub active_time: Option<u32>,
+}
+
 pub fn parse() -> Cli {
     Cli::parse()
 }
diff --git a/labadoor/src/main.rs b/labadoor/src/main.rs
index 20d0898..a57c9df 100644
--- a/labadoor/src/main.rs
+++ b/labadoor/src/main.rs
@@ -23,8 +23,14 @@ fn main() {
             labadoor_csv::csv();
         }
         #[cfg(feature = "gpio")]
-        cli::Command::GPIO => {
-            labadoor_gpio::gpio();
+        cli::Command::GPIO(_) => {
+            let gpio = config.get::<cli::GPIO>("gpio").unwrap();
+            labadoor_gpio::gpio(
+                gpio.device.unwrap(),
+                gpio.pin.unwrap(),
+                gpio.active_low.unwrap(),
+                gpio.active_time.unwrap(),
+            );
         }
     }
 }