From 4a99ede565fa61005f2a6202669adaa87a8ce0ee Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Sat, 16 Aug 2025 12:19:09 -0230
Subject: spi and eeprom modules

---
 sw/eeprom.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 sw/eeprom.h

(limited to 'sw/eeprom.h')

diff --git a/sw/eeprom.h b/sw/eeprom.h
new file mode 100644
index 0000000..4e4dfe2
--- /dev/null
+++ b/sw/eeprom.h
@@ -0,0 +1,20 @@
+/* Microchip 25LC160C 2KiB EEPROM
+ * 
+ * Usage:
+ *
+ * #include <xc.h>
+ * #include <stdint.h>
+ * #include "types.h"
+ * #include "spi.h"
+ * #include "eeprom.h"
+ */
+
+// Pin mapping
+#define EEPROM_CS_TRIS TRISAbits.TRISA5
+#define EEPROM_CS LATAbits.LATA5
+
+void eepromInit(void);
+void eepromWriteEnable(void);
+void eepromWriteDisable(void);
+void eepromWrite(U16 addr, U8 data[], U8 size);
+void eepromRead(U16 addr, U8 data[], U8 size);
-- 
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