rewrite everything

Source/sys-clk/sysmodule/lib/nxExt/src/i2c.c

@@ -0,0 +1,28 @@
+/*
+ * --------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <p-sam@d3vs.net>, <natinusala@gmail.com>, <m4x@m4xw.net>
+ * wrote this file. As long as you retain this notice you can do whatever you
+ * want with this stuff. If you meet any of us some day, and you think this
+ * stuff is worth it, you can buy us a beer in return.  - The sys-clk authors
+ * --------------------------------------------------------------------------
+ */
+
+#include "nxExt/i2c.h"
+
+#define I2C_CMD_SND 0
+#define I2C_CMD_RCV 1
+
+Result i2csessionExtRegReceive(I2cSession* s, u8 in, void* out, u8 out_size)
+{
+    u8 cmdlist[5] = {
+        I2C_CMD_SND | (I2cTransactionOption_Start << 6),
+        sizeof(in),
+        in,
+
+        I2C_CMD_RCV | (I2cTransactionOption_All << 6),
+        out_size
+    };
+
+    return i2csessionExecuteCommandList(s, out, out_size, cmdlist, sizeof(cmdlist));
+}