From a5c631593e7e859fe0fb9f1b2de289bdb37cbf7a Mon Sep 17 00:00:00 2001
From: howard-wa9axq <75182246+howard-wa9axq@users.noreply.github.com>
Date: Sat, 28 Nov 2020 14:15:01 -0600
Subject: [PATCH] Update Adafruit_SPIDevice.cpp

The SPI.cpp that the STM32 project uses does not have a transfer method with both a buffer and a length.  Changes to this file uses a transfer method that just needs a single 8 bit character.
---
 Adafruit_SPIDevice.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Adafruit_SPIDevice.cpp b/Adafruit_SPIDevice.cpp
index d5ecdc9..e952bf7 100644
--- a/Adafruit_SPIDevice.cpp
+++ b/Adafruit_SPIDevice.cpp
@@ -116,7 +116,8 @@ void Adafruit_SPIDevice::transfer(uint8_t *buffer, size_t len) {
 #ifdef SPARK
     _spi->transfer(buffer, buffer, len, NULL);
 #else
-    _spi->transfer(buffer, len);
+    for(i = 0; i < len; i++ )
+      _spi->transfer(buffer[i]);
 #endif
 
     return;