From 197d21ad2a669e31aadb656d5851e33943e28ab0 Mon Sep 17 00:00:00 2001
From: howard-wa9axq <75182246+howard-wa9axq@users.noreply.github.com>
Date: Sat, 28 Nov 2020 15:05:52 -0600
Subject: [PATCH] Update Adafruit_SPIDevice.cpp

Added code to define 'i'.
---
 Adafruit_SPIDevice.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Adafruit_SPIDevice.cpp b/Adafruit_SPIDevice.cpp
index e952bf7..5e554bd 100644
--- a/Adafruit_SPIDevice.cpp
+++ b/Adafruit_SPIDevice.cpp
@@ -116,7 +116,7 @@ void Adafruit_SPIDevice::transfer(uint8_t *buffer, size_t len) {
 #ifdef SPARK
     _spi->transfer(buffer, buffer, len, NULL);
 #else
-    for(i = 0; i < len; i++ )
+    for(size_t i = 0; i < len; i++ )
       _spi->transfer(buffer[i]);
 #endif