From 45513ff918fc9f19dad70bca242dad48ff73dafd Mon Sep 17 00:00:00 2001
From: dianjixz <dianjixz@m5stack.com>
Date: Mon, 20 May 2024 09:25:03 +0800
Subject: [PATCH] [add] linux i2c example

---
 examples/linux_i2c/.gitignore          |  6 +++++
 examples/linux_i2c/SConstruct          |  4 +++
 examples/linux_i2c/config_defaults.mk  |  6 +++++
 examples/linux_i2c/main/Kconfig        |  0
 examples/linux_i2c/main/SConstruct     | 34 ++++++++++++++++++++++++++
 examples/linux_i2c/main/include/test.h |  1 +
 examples/linux_i2c/main/src/main.c     | 24 ++++++++++++++++++
 7 files changed, 75 insertions(+)
 create mode 100644 examples/linux_i2c/.gitignore
 create mode 100644 examples/linux_i2c/SConstruct
 create mode 100644 examples/linux_i2c/config_defaults.mk
 create mode 100644 examples/linux_i2c/main/Kconfig
 create mode 100644 examples/linux_i2c/main/SConstruct
 create mode 100644 examples/linux_i2c/main/include/test.h
 create mode 100644 examples/linux_i2c/main/src/main.c

diff --git a/examples/linux_i2c/.gitignore b/examples/linux_i2c/.gitignore
new file mode 100644
index 0000000..76b743d
--- /dev/null
+++ b/examples/linux_i2c/.gitignore
@@ -0,0 +1,6 @@
+
+dist
+build
+.config.mk
+.flash.conf.json
+
diff --git a/examples/linux_i2c/SConstruct b/examples/linux_i2c/SConstruct
new file mode 100644
index 0000000..076d65c
--- /dev/null
+++ b/examples/linux_i2c/SConstruct
@@ -0,0 +1,4 @@
+from pathlib import Path
+import os
+with open(str(Path(os.getcwd())/'..'/'..'/'tools'/'scons'/'project.py')) as f:
+    exec(f.read())
diff --git a/examples/linux_i2c/config_defaults.mk b/examples/linux_i2c/config_defaults.mk
new file mode 100644
index 0000000..ccc30de
--- /dev/null
+++ b/examples/linux_i2c/config_defaults.mk
@@ -0,0 +1,6 @@
+
+# CONFIG_COMPONENT1_ENABLED=y
+CONFIG_TOOLCHAIN_PATH="/opt/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin"
+CONFIG_TOOLCHAIN_PREFIX="arm-linux-gnueabihf-"
+CONFIG_DEVICE_DRIVER_ENABLED=y
+CONFIG_DEVICE_I2C_ENABLED=y
diff --git a/examples/linux_i2c/main/Kconfig b/examples/linux_i2c/main/Kconfig
new file mode 100644
index 0000000..e69de29
diff --git a/examples/linux_i2c/main/SConstruct b/examples/linux_i2c/main/SConstruct
new file mode 100644
index 0000000..d5f7941
--- /dev/null
+++ b/examples/linux_i2c/main/SConstruct
@@ -0,0 +1,34 @@
+# project_root/src/SConscript
+import os
+# Import the environment from the SConstruct file
+Import('env')
+with open(env['PROJECT_TOOL_S']) as f:
+    exec(f.read())
+
+
+
+SRCS = Glob('src/*.c*')
+INCLUDE = [ADir('include'), ADir('.')]
+PRIVATE_INCLUDE = []
+REQUIREMENTS = ['pthread', "DeviceDriver"]
+STATIC_LIB = []
+DYNAMIC_LIB = []
+DEFINITIONS = []
+DEFINITIONS_PRIVATE = []
+LDFLAGS = []
+LINK_SEARCH_PATH = []
+
+
+env['COMPONENTS'].append({'target':env['PROJECT_NAME'],
+                          'SRCS':SRCS,
+                          'INCLUDE':INCLUDE,
+                          'PRIVATE_INCLUDE':PRIVATE_INCLUDE,
+                          'REQUIREMENTS':REQUIREMENTS,
+                          'STATIC_LIB':STATIC_LIB,
+                          'DYNAMIC_LIB':DYNAMIC_LIB,
+                          'DEFINITIONS':DEFINITIONS,
+                          'DEFINITIONS_PRIVATE':DEFINITIONS_PRIVATE,
+                          'LDFLAGS':LDFLAGS,
+                          'LINK_SEARCH_PATH':LINK_SEARCH_PATH,
+                          'REGISTER':'project'
+                          })
\ No newline at end of file
diff --git a/examples/linux_i2c/main/include/test.h b/examples/linux_i2c/main/include/test.h
new file mode 100644
index 0000000..6f70f09
--- /dev/null
+++ b/examples/linux_i2c/main/include/test.h
@@ -0,0 +1 @@
+#pragma once
diff --git a/examples/linux_i2c/main/src/main.c b/examples/linux_i2c/main/src/main.c
new file mode 100644
index 0000000..dbbb74c
--- /dev/null
+++ b/examples/linux_i2c/main/src/main.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+#include "linux_i2c/linuxi2c.h"
+
+LINUXI2CDevice i2cdev;
+
+int main(int argc, char *argv[])
+{
+	char i2c_bus[20] = "/dev/i2c-1";
+	linuxi2c_init_device(&i2cdev);
+	i2cdev.bus = linuxi2c_open(i2c_bus);
+	i2cdev.addr = 0x38;
+
+	uint8_t data[] = {0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x01, 0x02, 0x03};
+
+	// linuxi2c_write(&i2cdev, 0x05, data, sizeof(data));
+	linuxi2c_primitive_write(&i2cdev, data, 1, data, sizeof(data));
+
+	linuxi2c_close(i2cdev.bus);
+
+	return 0;
+}
\ No newline at end of file