From 03f560b2c13d7dcc701cab79953837bf46e51eaf Mon Sep 17 00:00:00 2001
From: Sofia <sofia@teascade.net>
Date: Fri, 29 May 2026 18:34:20 +0300
Subject: [PATCH] Add preliminary keypad support

---
 src/main.rs   | 16 ++++++++++++++--
 src/sx1509.rs | 10 ++++++++++
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 4fa983b..23726e4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -141,13 +141,25 @@ fn main() -> ! {
     );
 
     sx1509.init().unwrap();
-    sx1509.set_pin_dir(15, sx1509::PinDirection::InputPullUp, true);
+    sx1509.set_pin_dir(0, sx1509::PinDirection::Output, false);
+    sx1509.set_pin_dir(1, sx1509::PinDirection::InputPullUp, false);
+    sx1509.set_pin_dir(2, sx1509::PinDirection::Output, false);
+    sx1509.set_pin_dir(3, sx1509::PinDirection::InputPullUp, false);
+    sx1509.set_pin_dir(4, sx1509::PinDirection::Output, false);
+    sx1509.set_pin_dir(5, sx1509::PinDirection::InputPullUp, false);
+    sx1509.set_pin_dir(6, sx1509::PinDirection::InputPullUp, false);
 
     let delay = Delay::new();
 
     loop {
         delay.delay_millis(500);
-        log::info!("Pin: {:?}", sx1509.read_pin(15));
+        sx1509.write_pin(0, true);
+        log::info!("Pin 1: {:?}", sx1509.read_pin(1));
+        log::info!("Pin 3: {:?}", sx1509.read_pin(3));
+        log::info!("Pin 5: {:?}", sx1509.read_pin(5));
+        log::info!("Pin 6: {:?}", sx1509.read_pin(6));
+
+        sx1509.write_pin(0, false);
     }
 
     // let mut at_commands = ATCommands::new(sim_rst, sim_pwr_key, uart);
diff --git a/src/sx1509.rs b/src/sx1509.rs
index 9ed8f14..e5e1596 100644
--- a/src/sx1509.rs
+++ b/src/sx1509.rs
@@ -159,4 +159,14 @@ impl<'d> Sx1509<'d> {
     pub fn led_driver_init(&mut self, pin: u8) {
         todo!()
     }
+
+    pub fn keypad(
+        &mut self,
+        rows: u8,
+        columns: u8,
+        sleep_time: u16,
+        scan_time: u16,
+        debounce_time: u8,
+    ) {
+    }
 }