From 2cca96f691ab3b57b981babd84eb8c0499df90dd Mon Sep 17 00:00:00 2001
From: Jeff <jeffpeng2012@gmail.com>
Date: Wed, 21 Aug 2024 13:01:30 +0800
Subject: [PATCH] temp

---
 .vscode/settings.json             | 10 +++++++++-
 driver/linux/Makefile             |  4 ++--
 driver/linux/include/lib.h        |  4 ++++
 driver/linux/include/spi_engine.h |  1 +
 driver/linux/src/lib.c            | 17 +++++++++++++++++
 driver/linux/src/main.c           |  6 ++----
 6 files changed, 35 insertions(+), 7 deletions(-)
 create mode 100644 driver/linux/include/lib.h
 create mode 100644 driver/linux/src/lib.c

diff --git a/.vscode/settings.json b/.vscode/settings.json
index 7fae5bd..d8fdb06 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -3,7 +3,15 @@
         "kernel.h": "c",
         "slab.h": "c",
         "i2c.h": "c",
-        "i2c_engine.h": "c"
+        "i2c_engine.h": "c",
+        "module.h": "c",
+        "spi_engine.h": "c",
+        "spi.h": "c",
+        "i2c-smbus.h": "c",
+        "i2c-dev.h": "c",
+        "compiler.h": "c",
+        "input.h": "c",
+        "init.h": "c"
     },
     "C_Cpp.clang_format_style": "{ BasedOnStyle: Google, UseTab: Always, IndentWidth: 4, TabWidth: 4, BreakBeforeBraces: Linux, AllowShortIfStatementsOnASingleLine: true, IndentCaseLabels: false, ColumnLimit: 120}"
 }
\ No newline at end of file
diff --git a/driver/linux/Makefile b/driver/linux/Makefile
index 6f6816b..e19272f 100644
--- a/driver/linux/Makefile
+++ b/driver/linux/Makefile
@@ -1,8 +1,8 @@
 obj-m += UniversalIO.o
-UniversalIO-objs += ./src/main.o ./src/i2c_engine.o ./src/spi_engine.o ./src/uart_engine.o
+UniversalIO-objs += ./src/main.o ./src/i2c_engine.o ./src/spi_engine.o ./src/uart_engine.o ./src/lib.o
 CONFIG_MODULE_SIG=n
 EXTRA_CFLAGS := -I$(src)/include
-I2C_BUS = 8
+I2C_BUS = 4
 
 reload: build
 	-sudo rmmod UniversalIO.ko
diff --git a/driver/linux/include/lib.h b/driver/linux/include/lib.h
new file mode 100644
index 0000000..bf1d7ab
--- /dev/null
+++ b/driver/linux/include/lib.h
@@ -0,0 +1,4 @@
+/* SPDX-License-Identifier: <SPDX License Expression> */
+#include <linux/module.h>
+
+void i2c_info(const char *format, ...);
\ No newline at end of file
diff --git a/driver/linux/include/spi_engine.h b/driver/linux/include/spi_engine.h
index 4ff96e1..ce269e2 100644
--- a/driver/linux/include/spi_engine.h
+++ b/driver/linux/include/spi_engine.h
@@ -1 +1,2 @@
 /* SPDX-License-Identifier: <SPDX License Expression> */
+#include <linux/spi/spi.h>
\ No newline at end of file
diff --git a/driver/linux/src/lib.c b/driver/linux/src/lib.c
new file mode 100644
index 0000000..4dd263d
--- /dev/null
+++ b/driver/linux/src/lib.c
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "lib.h"
+void i2c_info(const char *format, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, format);
+
+	vaf.fmt = format;
+	vaf.va = &args;
+
+	pr_info("%pV", &vaf);
+
+	va_end(args);
+}
\ No newline at end of file
diff --git a/driver/linux/src/main.c b/driver/linux/src/main.c
index 737e875..316582a 100644
--- a/driver/linux/src/main.c
+++ b/driver/linux/src/main.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <linux/init.h>
-#include <linux/module.h>
-
+#include "lib.h"
 #include "i2c_engine.h"
 #include "spi_engine.h"
 #include "uart_engine.h"
@@ -14,7 +12,7 @@ static int __init my_i2c_init(void)
 		// i2c_put_adapter(&adapter);
 		return -ENODEV;
 	}
-	pr_info("hello i2c-%d!\n", adapter.nr);
+	i2c_info("hello i2c-%d!\n", adapter.nr);
 
 	return 0;
 }