201 lines
6.0 KiB
C
201 lines
6.0 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 USB20_H
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#define USB20_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 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() int32 ie = disable_irq();
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#define USB_REG_CRITICAL_EXIT() enable_irq(ie);
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//写USB SIE寄存器
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#define write_usb_reg(reg_addr, reg_data) do {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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hw->SIEM_INDEX = index;\
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*((volatile uint8_t *)((uint32_t)&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) (*((volatile uint8_t *)((uint32_t)&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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hw->SIEM_INDEX = index;\
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reg_data = *((volatile uint8_t *)((uint32_t)&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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RECEIV_OVER_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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INTERFACE_ASSOCIATION_DESCRIPTOR = 11,
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HID_REPORT = 0x22,
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BOS_DEVICE_DESCRIPTOR = 0xF,
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WCID_DEVICE_DESCRIPTOR = 0xEE,
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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 hgusb20_dev_ctrl {
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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 bus_high_speed : 1,
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auto_tx_null_pkt : 1, //ep1 tx null packet for non-potocol xfer
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hdr_req : 1,
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error : 1,
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reserved_bit : 4;
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uint8_t test_mode;
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uint8_t reg_usb_csr0;
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uint8_t set_addr;
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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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};
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struct hgusb20_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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void hgusb20_write_usb_reg_index(uint32_t usb_dev_hw,uint32_t index,uint32_t reg_addr,uint32_t reg_data);
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void hgusb20_read_usb_reg_index(uint32_t usb_dev_hw,uint32_t index,uint32_t reg_addr,uint32_t *reg_data);
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uint32_t hgusb20_write_usb_reg(uint32_t usb_dev_hw,uint8_t reg_addr,uint8_t reg_data);
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uint32_t hgusb20_read_usb_reg(uint32_t usb_dev_hw,uint32_t reg_addr);
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void hgusb20_send_empty_packet(uint32_t usb_dev_hw);
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#ifdef __cplusplus
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}
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#endif
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#endif
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