diff --git a/spi.c b/spi.c
new file mode 100644
--- /dev/null
+++ b/spi.c
@@ -0,0 +1,37 @@
+#include "stm32l100c_discovery.h"
+
+void init_spi(void)
+{
+    SPI_InitTypeDef  SPI_InitStructure;
+
+    // OLED IC
+    SPI_Cmd(SPI1, DISABLE); 
+    SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
+    SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
+    SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
+    SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
+    SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
+    SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
+    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
+    SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
+    SPI_InitStructure.SPI_CRCPolynomial = 7;
+    SPI_Init(SPI1, &SPI_InitStructure);
+    SPI_Cmd(SPI1, ENABLE);           /* Enable the SPI  */   
+
+
+    // MAX IC
+    SPI_Cmd(SPI2, DISABLE); 
+    SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
+    SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
+    SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b; // Andysworkshop
+    SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; // From andysworkshop
+    SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; // same
+    SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
+    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
+    SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
+    SPI_InitStructure.SPI_CRCPolynomial = 7;
+    SPI_Init(SPI2, &SPI_InitStructure);
+    SPI_Cmd(SPI2, ENABLE);           /* Enable the SPI */
+}
+
+// vim:softtabstop=4 shiftwidth=4 expandtab