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clock_gcat/Makefile

@@ -0,0 +1,37 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=clock_gcat
+PKG_RELEASE:=1
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+
+define Package/$(PKG_NAME)
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=clock_gcat 
+endef
+
+define Package/$(PKG_NAME)/description
+  clock_gcat is for I2C LCD 1602
+endef
+
+define Build/Compile
+  $(MAKE) -v
+endef
+
+
+#define Build/Prepare
+#	mkdir -p $(PKG_BUILD_DIR)
+#	$(CP) ./src/* $(PKG_BUILD_DIR)
+#endef
+
+
+define Package/$(PKG_NAME)/install
+	$(INSTALL_DIR) $(1)/usr/bin/
+	$(INSTALL_BIN) ./files/clock_gcat1.sh $(1)/usr/bin/
+endef
+
+
+$(eval $(call BuildPackage,$(PKG_NAME)))

clock_gcat/files/clock_gcat1.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+echo -e -n "\r" > /proc/LCDI2C
+while [ 1 ];
+do
+	echo -e -n "\t" > /proc/LCDI2C
+	date | awk '{print $4}' > /proc/LCDI2C
+	sleep 1
+done
+

clock_gcat_set_autorun/Makefile

@@ -0,0 +1,64 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=clock_gcat_set_autorun
+PKG_RELEASE:=1
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+
+define Package/$(PKG_NAME)
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=clock_gcat 
+endef
+
+define Package/$(PKG_NAME)/description
+  clock_gcat is for I2C LCD 1602
+endef
+
+define Build/Compile
+  $(MAKE) -v
+endef
+
+
+define Package/$(PKG_NAME)/preinst
+  #!/bin/sh
+  echo "ready to install $(PKG_NAME)"
+endef
+
+define Package/$(PKG_NAME)/postinst
+  #!/bin/sh
+  echo "ok to install $(PKG_NAME)"
+  if [ -z "$${IPKG_INSTROOT}" ]; then
+    /etc/init.d/clock_gcat enable
+  fi
+
+endef
+
+define Package/$(PKG_NAME)/prerm
+  #!/bin/sh
+  echo "ready to remove $(PKG_NAME)"
+  if [ -z "$${IPKG_INSTROOT}" ]; then
+    /etc/init.d/clock_gcat disable
+  fi
+endef
+
+define Package/$(PKG_NAME)/postrm
+  #!/bin/sh
+  echo "ok to remove $(PKG_NAME)"
+endef
+
+#define Build/Prepare
+#	mkdir -p $(PKG_BUILD_DIR)
+#	$(CP) ./src/* $(PKG_BUILD_DIR)
+#endef
+
+
+define Package/$(PKG_NAME)/install
+	$(INSTALL_DIR) $(1)/etc/init.d/
+	$(INSTALL_BIN) ./files/clock_gcat.autorun $(1)/etc/init.d/clock_gcat
+endef
+
+
+$(eval $(call BuildPackage,$(PKG_NAME)))

clock_gcat_set_autorun/files/clock_gcat.autorun

@@ -0,0 +1,18 @@
+#!/bin/sh /etc/rc.common
+START=90
+STOP=10
+USE_PROCD=1
+start_service()
+{
+    echo "##################################################"
+    procd_open_instance
+    procd_set_param command /bin/sh "/usr/bin/clock_gcat1.sh"
+    procd_set_param respawn
+    procd_close_instance
+}
+
+stop_service()
+{
+    echo "**************************************************"
+}
+

lcd1602i2c2/Makefile

@@ -0,0 +1,40 @@
+#gcat 2022.0426.2
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=lcd1602i2c2
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/$(PKG_NAME)
+	SUBMENU:=Other modules
+	TITLE:=kernel lcd1602 i2c 2
+	VERSION:=$(LINUX_VERSION)-$(BOARD)-$(PKG_RELEASE)
+	FILES:= $(PKG_BUILD_DIR)/$(PKG_NAME).$(LINUX_KMOD_SUFFIX)
+	DEPENDS:=+kmod-i2c-core
+	AUTOLOAD:=$(call AutoLoad,60,$(PKG_NAME))
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+	$(CP) ./src/* $(PKG_BUILD_DIR)
+endef
+
+define Build/Compile
+	$(MAKE) -C "$(LINUX_DIR)" \
+	CROSS_COMPILE="$(TARGET_CROSS)" \
+	ARCH="$(LINUX_KARCH)" \
+	SUBDIRS="$(PKG_BUILD_DIR)" \
+	EXTRA_CFLAGS="$(BUILDFLAGS)" \
+	modules
+endef
+
+#define KernelPackage/demo/install
+#  $(INSTALL_DIR) $(1)/lib/network/
+#endef
+
+$(eval $(call KernelPackage,$(PKG_NAME)))

lcd1602i2c2/src/Makefile

@@ -0,0 +1,4 @@
+obj-m += lcd1602i2c2.o
+
+lcd1602i2c2-objs := interface_proc.o  io_i2c.o io_lcd1602.o
+

lcd1602i2c2/src/clock1.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+echo -e -n "\r" > /proc/LCDI2C
+while [ 1 ];
+do
+	echo -e -n "\t" > /proc/LCDI2C
+	date | awk '{print $4}' > /proc/LCDI2C
+	sleep 1
+done
+

lcd1602i2c2/src/gcat.note

@@ -0,0 +1,4 @@
+PATH=$PATH:/home/ai7688/1208/AI7688H_OpenWRT_Build_FW_Setting_Tool_V1.0/openwrt/staging_dir/toolchain-mipsel_24kec+dsp_gcc-4.8-linaro_uClibc-0.9.33.2/bin
+export CROSS_COMPILE="mipsel-openwrt-linux-uclibc-"
+export ARCH=mips
+make  

lcd1602i2c2/src/interface_proc.c

@@ -0,0 +1,98 @@
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/uaccess.h>
+#include <linux/of_gpio.h>
+#include <linux/i2c.h>
+#include <linux/unistd.h>
+#include "io_i2c.h"
+#include "io_lcd1602.h"
+#define NAME_OF_PROC 	("LCDI2C")
+
+static int hello_val=0;
+
+
+
+
+
+
+//-----------------------------------------------------
+static int test_proc_open(struct inode *inode, struct file *file)
+{
+	return 0;
+}
+
+
+
+static ssize_t test_proc_read(struct file *file, char __user *buffer,size_t count, loff_t *f_pos)
+{
+
+	int len1;
+	if(*f_pos > 0)
+		return 0;
+	len1 = sprintf(buffer, "%d\n", hello_val);
+	*f_pos = *f_pos + len1;
+	return len1;
+}
+
+
+
+static ssize_t test_proc_write(struct file *file, const char __user *buffer,size_t count, loff_t *f_pos)
+{
+	unsigned char tmpbuf[64];
+
+	if(count <= 0)
+		return -EFAULT;
+	if(count > sizeof(tmpbuf)) 
+		count = (16*2+1); // "\n01234567890012345678900123456789012"
+
+	if (buffer && !copy_from_user(tmpbuf, buffer, count)) {
+		LCD_parse_string (tmpbuf,count);
+	}
+	return count;
+}
+
+
+
+static struct file_operations test_fops = {
+	.owner = THIS_MODULE,
+	.open = test_proc_open,
+	.read = test_proc_read,
+	.write = test_proc_write,
+	// .release = single_release,
+	// .llseek = seq_lseek,
+};
+
+
+static int __init func_module_init(void)
+{
+	struct proc_dir_entry* file;
+	int ret=0;
+	file = proc_create(NAME_OF_PROC, 0644, NULL, &test_fops);
+	if (!file)
+		return -ENOMEM;
+
+
+	ret=i2c_dev_init();
+	LCD_init();
+	return ret;
+}
+
+
+
+static void __exit func_module_exit(void)
+{
+	remove_proc_entry(NAME_OF_PROC, NULL);
+	i2c_dev_exit();
+
+}
+
+module_init(func_module_init);
+module_exit(func_module_exit);
+
+MODULE_AUTHOR("greatcat@ms18.hinet.net");
+MODULE_DESCRIPTION("proc_module "+NAME_OF_PROC);
+MODULE_LICENSE("GPL");
+
+
+

lcd1602i2c2/src/io_i2c.c

@@ -0,0 +1,77 @@
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/string.h>
+#include "io_i2c.h"
+
+//-----------------
+#define I2C_BUS_AVAILABLE   (         0 )		// I2C Bus that we have created
+#define SLAVE_DEVICE_NAME   (  "I2CLCD1602")		// Device and Driver Name
+#define LCDI2C_SLAVE_ADDR  (       0x27 )		// LCD Slave Address
+//----
+
+
+
+struct i2c_client  *ext_i2c_dev = NULL;;	// I2C device Structure
+
+static struct i2c_adapter *ext_i2c_adapter     = NULL;  // I2C Adapter Structure
+
+static int i2c_dev_probe(struct i2c_client *client,
+                         const struct i2c_device_id *id)
+{
+    pr_info("I2C dev Probed!!!\n");
+
+    return 0;
+}
+
+static int i2c_dev_remove(struct i2c_client *client)
+{   
+
+    pr_info("I2C dev Removed!!!\n");
+    return 0;
+}
+
+
+static struct i2c_board_info lcd_i2c_board_info = {
+        I2C_BOARD_INFO(SLAVE_DEVICE_NAME, LCDI2C_SLAVE_ADDR)
+    };
+static const struct i2c_device_id I2c_dev_id[] = {
+        { SLAVE_DEVICE_NAME, 0 },
+        { }
+};
+MODULE_DEVICE_TABLE(i2c, I2c_dev_id);
+static struct i2c_driver ext_oled_driver = {
+        .driver = {
+            .name   = SLAVE_DEVICE_NAME,
+            .owner  = THIS_MODULE,
+        },
+        .probe          = i2c_dev_probe,
+        .remove         = i2c_dev_remove,
+        .id_table       = I2c_dev_id,
+};
+
+int i2c_dev_init(void){
+
+	ext_i2c_adapter     = i2c_get_adapter(I2C_BUS_AVAILABLE);
+	if( ext_i2c_adapter != NULL ){
+		ext_i2c_dev = i2c_new_device(ext_i2c_adapter, &lcd_i2c_board_info);
+
+        	if( ext_i2c_dev != NULL )
+        	{
+            		i2c_add_driver(&ext_oled_driver);
+        	} else {
+			printk("err, ext_i2c_dev = null\n");
+			return -ENOMEM;
+		}
+        	i2c_put_adapter(ext_i2c_adapter);
+	} else {
+		printk("err! ext_i2c_adapter = NULL\n");
+		return -ENOMEM;
+	}
+	printk("%s init ok!\n",SLAVE_DEVICE_NAME);
+	return 0;
+}
+void i2c_dev_exit(void){
+	i2c_unregister_device(ext_i2c_dev);
+	i2c_del_driver(&ext_oled_driver);
+	printk("%s exit ok\n",SLAVE_DEVICE_NAME);
+}

lcd1602i2c2/src/io_i2c.h

@@ -0,0 +1,7 @@
+#ifndef IO_I2C_H
+#define IO_I2C_H
+
+int i2c_dev_init(void);
+void i2c_dev_exit(void);
+
+#endif