268 lines
8.5 KiB
C
268 lines
8.5 KiB
C
/*****************************************************************************
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* Module : usb
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* File : usb.c
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* Author :
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* Function : USB驱动的一些公用模块
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*****************************************************************************/
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#ifndef USB_H
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#define USB_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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//typedef int8 bool;
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#define MAX_EP 2 //最大的EP号
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//in IC, in latest FPGA
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#define USB_FIX_BUG_0 0 //=0, =1
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#define USB_FIX_BUG_1 0 //=1, =1
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#define USB_FIX_BUG_2 0 //=0, =1
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#define USB_FIX_BUG_3 0 //=0, =1
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#define USB_FIX_BUG_4 0 //=0, =1
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#define UCFG2_CNT 0x2000
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//USB SIE REG(common)
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#define M_FADDR 0x00
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#define M_POWER 0x01
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#define M_INTRTX1 0x02
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#define M_INTRTX2 0x03
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#define M_INTRRX1 0x04
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#define M_INTRRX2 0x05
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#define M_INTRUSB 0x06
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#define M_INTRTX1E 0x07
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#define M_INTRTX2E 0x08
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#define M_INTRRX1E 0x09
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#define M_INTRRX2E 0x0A
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#define M_INTRUSBE 0x0B
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#define M_FRAMENUM1 0x0C
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#define M_FRAMENUM2 0x0D
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#define M_INDEX 0x0E
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#define M_DEVCTL 0x0F
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//USB SIE REG(host & slave)
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#define M_TXMAXP 0x10
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#define M_CSR0 0x11
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#define M_TXCSR1 0x11
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#define M_TXCSR2 0x12
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#define M_RXMAXP 0x13
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#define M_RXCSR1 0x14
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#define M_RXCSR2 0x15
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#define M_COUNT0 0x16
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#define M_RXCOUNT1 0x16
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#define M_RXCOUNT2 0x17
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#define M_TXTYPE 0x18
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#define M_TXINTERVAL 0x19
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#define M_RXTYPE 0x1A
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#define M_RXINTERVAL 0x1B
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#define M_FIFOSIZE 0x1F
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#define M_FIFO0 0x20 //FIFOS for endpoint0
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#define M_FIFO1 0x24 //FIFOS for endpoint1
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#define M_FIFO2 0x28 //FIFOS for endpoint2
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/* Interrupt register bit */
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#define M_INTR_SUSPEND 0x01
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#define M_INTR_RESUME 0x02
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#define M_INTR_RESET 0x04
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#define M_INTR_SOF 0x08
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#define M_INTR_CONNECT 0x10
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#define M_INTR_DIS_CONNECT 0x20
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#define M_INTR_SESS_REQ 0x40
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#define M_INTR_VBUS_ERR 0x80
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///USB DMA1_CTL/DMA2_CTL
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#define UDC_BUS_ERR (1<<15)
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#define UDC_MAXPKT_8BYTE(n) (((n)&0x7F)<<8)
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#define UDC_EP(n) (((n)&0xF)<<4)
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#define UDC_IE (1<<3)
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#define UDC_MODE(n) (((n)&0x1)<<2)
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#define UDC_DIR_RX ((0)<<1)
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#define UDC_DIR_TX ((1)<<1)
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#define UDC_EN ((1)<<0)
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///UCFG1
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#define DMA4_MASK (1<<22)
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#define DMA3_MASK (1<<21)
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#define DMA2_MASK (1<<20)
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#define DMA1_MASK (1<<19)
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#define VBUS_Error_MASK (1<<18)
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#define Sess_Req_MASK (1<<17)
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#define Discon_MASK (1<<16)
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#define Conn_MASK (1<<15)
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#define Reset_MASK (1<<14)
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#define Resume_MASK (1<<13)
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#define Suspend_MASK (1<<12)
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#define EP2TX_MASK (1<<11)
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#define EP1TX_MASK (1<<10)
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#define EP0_MASK (1<<9)
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#define EP2RX_MASK (1<<8)
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#define EP1RX_MASK (1<<7)
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#define SOF_MASK (1<<6)
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#define USB_DIF (1<<3)
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#define USB_DIM (1<<2)
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#define USB_DIP (1<<1)
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#define USB_TM1 (1<<0) ///0: normal mode 1:testmode, shorter time for simulation
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#define USBIE_EN() //NVIC_EnableIRQ(USB_CTL_IRQn);
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#define USBIE_DIS() //NVIC_DisableIRQ(USB_CTL_IRQn);
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#define USB_REG_CRITICAL_ENTER() //osMutexWait(usb_reg_lock_id, osWaitForever);
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#define USB_REG_CRITICAL_EXIT() //osMutexRelease(usb_reg_lock_id);
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//写USB SIE寄存器
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#define write_usb_reg(reg_addr, reg_data) do {p_dev->usb_hw->SIE##reg_addr = reg_data;} while(0)
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//void write_usb_reg_index(uint8_t index, uint32_t reg_addr, uint8_t reg_data);
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#define write_usb_reg_index(index, reg_addr, reg_data)\
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do {\
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USB_REG_CRITICAL_ENTER();\
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p_dev->usb_hw->SIEM_INDEX = index;\
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*((volatile uint8_t *)((uint32_t)&p_dev->usb_hw->SIEM_FADDR + reg_addr)) = reg_data;\
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USB_REG_CRITICAL_EXIT();\
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} while(0)
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//读USB SIE寄存器
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#define read_usb_reg(reg_addr) (p_dev->usb_hw->SIE##reg_addr)
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//uint8_t read_usb_reg_index(uint8_t index, uint32_t reg_addr);
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#define read_usb_reg_index(index, reg_addr, reg_data)\
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do {\
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USB_REG_CRITICAL_ENTER();\
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p_dev->usb_hw->SIEM_INDEX = index;\
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reg_data = *((volatile uint8_t *)((uint32_t)&p_dev->usb_hw->SIEM_FADDR + reg_addr));\
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USB_REG_CRITICAL_EXIT();\
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} while(0)
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//USB当前状态机
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enum {
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USB_DEFAULT_STATE,
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USB_ADDRESS_STATE,
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USB_CONFIG_STATE
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};
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//EP0状态机
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enum {
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IDLE_STATE,
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TRANSER_OVER_STATE,
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TRANSFERING_STATE,
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RECEIVING_STATE
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};
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//接收者
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enum {
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REQUEST_TO_DEVICE,
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REQUEST_TO_INTERFACE,
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REQUEST_TO_ENDPOINT
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};
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//设备描述符
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enum {
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DEVICE_DESCRIPTOR = 1,
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CONFIGURATION_DESCRIPTOR,
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STRING_DESCRIPTOR,
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INTERFACE_DESCRIPTOR,
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ENDPOINT_DESCRIPTOR,
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DEVICE_QUALIFIER_DESCRIPTOR,
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// OTHER_SPEED_CONFIG_DESCRIPTOR, USB 1.1没有该选项
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HID_REPORT = 0x22,
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};
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//Feature Selector
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enum {
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ENDPOINT_STALL,
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REMOTE_WAKEUP,
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TEST_MODE
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};
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//检测模式
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enum {
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USB_CHECK_HOST, //尝试主机检测
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USB_CHECK_OTG, //尝试OTG检测，是否连接PC
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USB_STABLE_HOST, //已成功检测为USB主机
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USB_STABLE_DEVICE, //已成功检测为USB设备
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};
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//返回值
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enum {
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USB_CONNECTED_NONE, //未连接
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USB_CONNECTED_PC, //连接PC，当Device
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USB_CONNECTED_DEVICE, //外接U盘，当Host
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};
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//USB控制结构体
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struct hgusb11_dev_ctrl {
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uint8_t error; //USB通信错误
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struct {
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uint16_t vid; //VID
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uint16_t pid; //PID
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uint16_t ver; //Version
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} info;
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//EP0接收的命令
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struct {
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uint8_t rtype;
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uint8_t request;
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uint16_t value;
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uint16_t index;
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uint16_t length;
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} cmd;
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uint8_t reserved[2];
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};
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struct hgusb11_dev_chk {
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uint8_t check_mode;
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uint8_t check_cnt;
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uint8_t check_delay;
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} ;
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#define BYTE0(n) ((uint8_t)((uint16_t)(n)))
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#define BYTE1(n) ((uint8_t)(((uint16_t)(n))>>8))
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#define BYTE2(n) ((uint8_t)(((uint16_t)(((uint32_t)(n))>>8))>>8))
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#define BYTE3(n) ((uint8_t)(((uint16_t)(((uint32_t)(n))>>16))>>8))
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#define LOAD_U32B(p) ((((volatile uint8_t *)(p))[0]<<24) | (((volatile uint8_t *)(p))[1]<<16) | (((volatile uint8_t *)(p))[2]<<8) | (((volatile uint8_t *)(p))[3]<<0))
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#define LOAD_U32L(p) ((((volatile uint8_t *)(p))[0]<<0) | (((volatile uint8_t *)(p))[1]<<8) | (((volatile uint8_t *)(p))[2]<<16)| (((volatile uint8_t *)(p))[3]<<24))
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#define LOAD_U16B(p) ((((volatile uint8_t *)(p))[0]<<8) | (((volatile uint8_t *)(p))[1]<<0))
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#define LOAD_U16L(p) ((((volatile uint8_t *)(p))[0]<<0) | (((volatile uint8_t *)(p))[1]<<8))
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#define SAVE_U32B(p, num) do { \
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((volatile uint8_t *)(p))[0] = BYTE3(num); \
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((volatile uint8_t *)(p))[1] = BYTE2(num); \
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((volatile uint8_t *)(p))[2] = BYTE1(num); \
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((volatile uint8_t *)(p))[3] = BYTE0(num); \
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} while(0)
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#define SAVE_U32L(p, num) do { \
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((volatile uint8_t *)(p))[0] = BYTE0(num); \
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((volatile uint8_t *)(p))[1] = BYTE1(num); \
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((volatile uint8_t *)(p))[2] = BYTE2(num); \
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((volatile uint8_t *)(p))[3] = BYTE3(num); \
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} while(0)
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#define SAVE_U16B(p, num) do { \
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((volatile uint8_t *)(p))[0] = BYTE1(num); \
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((volatile uint8_t *)(p))[1] = BYTE0(num); \
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} while(0)
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#define SAVE_U16L(p, num) do { \
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((volatile uint8_t *)(p))[0] = BYTE0(num); \
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((volatile uint8_t *)(p))[1] = BYTE1(num); \
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} while(0)
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#ifdef __cplusplus
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}
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#endif
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#endif
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