[嵌入式Linux] 用ecliipse生成Ko文件成功，但编写makefile生成so时，提示各种错

<p>

/*

 * share_test.c

 *

 *  Created on: 2017骞?鏈?3鏃?

 *      Author: hanyl

 */

#include <linux/init.h>

#include <linux/module.h>

#include <linux/fs.h>

#include <linux/cdev.h>

#include <linux/device.h>

#include <linux/interrupt.h>

#include <linux/irq.h>

#include <linux/gpio.h>

#include <mach/platform.h>

#include <mach/gpio_desc.h>

#include <mach/gpio.h></p><p>#define LED_GPIO (PAD_GPIO_B + 26)  //GPB26涓篖ED杈撳嚭鎺у埗寮曡剼

#define KEY_GPIO (PAD_GPIO_C + 28)  //GPB31涓鸿Е鍙戠粓绔簮

#define KEY_GPIO_IRQ gpio_to_irq(KEY_GPIO) //鏍规嵁GPIO缂栧彿鑾峰彇瀵瑰簲鐨勫紩鑴氱殑涓柇缂栧彿

#define DEVICE_NAME "key_irq"</p><p>

char const irq_types[5] = {

 IRQ_TYPE_EDGE_RISING,

 IRQ_TYPE_EDGE_FALLING,

 IRQ_TYPE_EDGE_BOTH,

 IRQ_TYPE_LEVEL_HIGH,

 IRQ_TYPE_LEVEL_LOW

};

int Init_Gpio(void)

{

int ret;

 /*鐢宠GPIO*/

  gpio_free(KEY_GPIO);  /*棣栧厛閲婃斁GPIO*/

  gpio_free(LED_GPIO);  /*棣栧厛閲婃斁GPIO*/

  ret = gpio_request_one(KEY_GPIO, GPIOF_IN, "KEY IRQ"); /* 鐢宠 IO 锛屼负杈撳叆*/

  if (ret < 0) {

   printk(KERN_ERR "Failed to request GPIO for KEY\n");

  }</p><p>  ret = gpio_request_one(LED_GPIO, GPIOF_OUT_INIT_HIGH, "LED OUTPUT"); /* 鐢宠 IO 锛屼负杈撳嚭*/

  if (ret < 0) {

   printk(KERN_ERR "Failed to request GPIO for LED\n");

  }</p><p>  gpio_direction_input(KEY_GPIO); /* 璁剧疆 GPIO 涓鸿緭鍏?*/

  gpio_direction_output(LED_GPIO,0); /* 璁剧疆 GPIO 涓鸿緭鍑?鍙傛暟0浠ｈ〃杈撳嚭*/

  gpio_set_value(LED_GPIO,0);  /*鍒濆鍖朙ED涓虹唲鐏姸鎬?/</p><p>  return 0;

}

void LED_light( void )

{

 gpio_set_value(LED_GPIO,1);

}

void LED_off(void)

{

 gpio_set_value(LED_GPIO,0);

}</p><p>int out_hello(void)

{

 printk("hello s3c4418!\n");

   return 0;

}

</p><p> </p>

obj-m += share_test.o 

    

KERN_DIR = /home/hanyl/linux-3.4.y



PWD := $(shell pwd)

ARCH=arm  

  

CROSS_COMPILE=arm-cortexa9-linux-gnueabihf-

CC=$(CROSS_COMPILE)gcc  

LD=$(CROSS_COMPILE)ld  



all:

        make -C $(KERN_DIR) ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) M=${PWD} modules 

clean:

        make -C $(KERN_DIR) M=`pwd` modules clean

        rm -rf modules.order



        

<p><p>KERN_DIR = /home/hanyl/linux-3.4.y



PWD := $(shell pwd)

ARCH=arm  

  

CROSS_COMPILE=arm-cortexa9-linux-gnueabihf-

CC=$(CROSS_COMPILE)gcc  

LD=$(CROSS_COMPILE)ld  



CFLAGS  := 

LDFLAGS := -shared -fPIC

SOURCE  := $(wildcard *.c)

OBJS    := $(patsubst %.c,%.o,$(SOURCE))

TARGET_LIB := share_test.so



all:$(OBJS)  

    echo $(OBJS)  

    $(LD) $(LDFLAGS) -o $(TARGET_LIB) $(OBJS)   

  

%.o:%.c  

    [url=home.php?mod=space&uid=3148]@echo[/url] Compiling lt; ...  

    $(CC) -c $(CFLAGS)  lt; -o $*.o </p><p>.PHONY: clean

clean:

 rm *.so *.o -rf</p>