138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
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#ifndef _TTY_POS_H_
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#define _TTY_POS_H_
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#include <linux/module.h>
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#include <linux/version.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/tty.h>
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#include <linux/tty_driver.h>
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#include <linux/tty_flip.h>
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#include <linux/kref.h>
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#include <linux/uaccess.h>
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#include <linux/usb.h>
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#include <linux/mutex.h>
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#include <linux/time.h>
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#include <linux/sched.h>
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#ifdef LINUX_VERSION_CODE
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
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#include <linux/err.h>
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#include <linux/kthread.h>
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#endif
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#endif
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#define USB_VENDOR_ID 0x1234
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#define USB_PRODUCT_ID 0x0101
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static struct usb_device_id pos_usb_table[] = {
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{ USB_DEVICE(USB_VENDOR_ID, USB_PRODUCT_ID) },
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{},
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};
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MODULE_DEVICE_TABLE(usb,pos_usb_table);
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//#define POS_TTY_MAJOR 192 /* experimental range */
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#define POS_TTY_MINORS 20 /* only have 20 devices */
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#define THREAD_INIT 0x00
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#define THREAD_STOPPED 0x01
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#define THREAD_CREATED 0x82
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#define THREAD_CLOSE 0x83
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#define THREAD_IS_RUNNING(ThreadState) (ThreadState & 0x80)
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#define WRITE_COMMAND 0 /* write to usb device command */
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#define READ_COMMAND 1 /* read from to usb device command */
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#define STATUS_COMMAND 2 /* get device buffer status command */
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#define POOL_SIZE 10241
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typedef struct _POOL {
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unsigned int ReadPos;
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unsigned int WritePos;
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unsigned char Buffer[POOL_SIZE];
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} __attribute__((packed)) POOL, *PPOOL;
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typedef struct {
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unsigned char SeqNo;
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unsigned char ReqType; /* 0:OUT, 1:IN, 2:STAT, 3:RESET */
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unsigned short Len;
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unsigned char Data[508];
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} __attribute__((packed)) ST_BULK_IO;
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typedef struct {
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unsigned int TxBufSize;
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unsigned int RxBufSize;
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unsigned int TxLeft;
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unsigned int RxLeft;
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} __attribute__((packed)) ST_BIO_STATE;
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struct tty_pos {
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struct tty_struct *tty;
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unsigned char devIndex;
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/* for tiocmget and tiocmset functions */
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int msr; /* MSR shadow */
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int mcr; /* MCR shadow */
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struct file *filp;
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struct usb_device *udev;
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struct usb_interface *interface;
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struct urb *urb;
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wait_queue_head_t urb_wait;
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atomic_t urb_done;
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int timeout_jiffies;
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atomic_t urb_busy;
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wait_queue_head_t write_wait;
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atomic_t write_flag;
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__u8 bulk_in_epAddr;
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__u8 bulk_out_epAddr;
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struct kref kref;
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struct mutex io_mutex; /* synchronize I/O with disconnect */
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volatile u8 ThreadState;
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struct completion ThreadExit_completion;
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unsigned char SeqCount;
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ST_BULK_IO *BioPack; /* for IO access */
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ST_BIO_STATE BioDevState;
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POOL TxPool;
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};
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#define to_pos_dev(d) container_of(d, struct tty_pos, kref)
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#define INIT_POOL_BUFFER(pool) pool.ReadPos = pool.WritePos = 0
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#define IS_POOL_EMPTY(pool) (pool.ReadPos == pool.WritePos)
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#define GET_USING_POOL(pool) \
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((pool.WritePos + POOL_SIZE - pool.ReadPos) % POOL_SIZE)
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#define GET_SPACE_POOL(pool) (POOL_SIZE - 1 - GET_USING_POOL(pool))
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#if 0
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#define ERR(stuff...)
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#define INFO(stuff...)
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#else
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#define ERR(stuff...) printk(KERN_ERR "ttyPos: " stuff)
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#define INFO(stuff...) printk(KERN_INFO "ttyPos: " stuff)
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#endif
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//--error code define of API call
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#define USB_ERR_NOT_OPEN (-3403)//ͨ<><CDA8>δ<EFBFBD><CEB4><EFBFBD><EFBFBD>
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#define USB_ERR_BUF (-3404)//<2F><><EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#define USB_ERR_NOT_FREE (-3405)//<2F><EFBFBD><DEBF>õĶ˿<C4B6>
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#define USB_ERR_NO_CONF (-3411)//<2F>豸δ<E8B1B8><CEB4><EFBFBD><EFBFBD>ö<EFBFBD>ٺ<EFBFBD><D9BA><EFBFBD><EFBFBD>ù<EFBFBD><C3B9><EFBFBD>
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#define USB_ERR_DISCONN (-3412)//<2F>豸<EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͽ<EFBFBD>
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#define USB_ERR_MEM_SYSTEM (-3413)//ϵͳ<CFB5>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣
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#define USB_ERR_BUSY (-3414)//USBϵͳæµ
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#define USB_ERR_RC_SYSTEM (-3415)//ϵͳ<CFB5><CDB3>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
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#define USB_ERR_DEV_ABSENT (-3416)//USB<53><42><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD>λ
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#define USB_ERR_INVALID (-3417)//USBͨѶ״̬<D7B4><CCAC>Ч
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#endif
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