From f4b31b88508892ca781ebb14716dc322e868b6db Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Wed, 8 Aug 2018 15:45:32 +0200
Subject: Add 24LC64 EEPROM driver

---
 src/driver/eeprom24lc64.cc | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/driver/eeprom24lc64.cc

(limited to 'src/driver/eeprom24lc64.cc')

diff --git a/src/driver/eeprom24lc64.cc b/src/driver/eeprom24lc64.cc
new file mode 100644
index 0000000..745514b
--- /dev/null
+++ b/src/driver/eeprom24lc64.cc
@@ -0,0 +1,26 @@
+#include <stdlib.h>
+#include "driver/eeprom24lc64.h"
+#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)
+#include "driver/i2c.h"
+#else
+#include "driver/soft_i2c.h"
+#endif
+
+void EEPROM24LC64::readPage(unsigned short addr, char *data)
+{
+	txbuf[0] = addr >> 8;
+	txbuf[1] = addr & 0x00ff;
+	i2c.xmit(address, 2, txbuf, 32, (unsigned char *)data);
+}
+
+void EEPROM24LC64::writePage(unsigned short addr, char *data)
+{
+	txbuf[0] = addr >> 8;
+	txbuf[1] = addr & 0x00ff;
+	for (unsigned char i = 0; i < 32; i++) {
+		txbuf[i+2] = data[i];
+	}
+	i2c.xmit(address, 34, txbuf, 0, NULL);
+}
+
+EEPROM24LC64 eeprom24lc64(0x50);
-- 
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