From c96552da207ede53a09eff641c98147a7f801037 Mon Sep 17 00:00:00 2001
From: duart38 <duartsnel@icloud.com>
Date: Sun, 20 Mar 2022 14:51:43 +0100
Subject: [PATCH] add readNBits method

---
 .gitignore |  1 +
 mod.ts     | 12 +++++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 337b8ef..0b1882b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 x.ts
+x.sh
 sandbox.ts
 dump.ts
 test
diff --git a/mod.ts b/mod.ts
index 7f16cc9..834d4a9 100644
--- a/mod.ts
+++ b/mod.ts
@@ -240,5 +240,15 @@ export class Pin {
     );
   }
 
-  // TODO: read 'n' bits and pipe to file for 
+  /**
+   * queues up an instruction to request a number of bits while sleeping in between each fetch.
+   * @param n number of bits to read
+   * @param toFile file to pipe the bits to
+   * @param sleep how much to sleep in between each bit fetch.
+   */
+  readNBits(n: number, toFile: string, sleep = 0){
+    instructionsQueue.getInstance().add(
+      `for ((i = 0 ; i < ${n} ; i++)); do  head -n 1 /sys/class/gpio/gpio${this.number}/value >> ${toFile}; sleep ${sleep}; done`
+    );
+  }
 }