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This commit is contained in:
sakumisu
2022-07-03 11:23:26 +08:00
parent 010116ee63
commit 3d615a1c66
4 changed files with 695 additions and 29 deletions
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371
demo/cdc_acm_hid_msc_template.c Normal file
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@@ -0,0 +1,371 @@
#include "usbd_core.h"
#include "usbd_msc.h"
#include "usbd_cdc.h"
#include "usbd_hid.h"
/*!< endpoint address */
#define CDC_IN_EP 0x81
#define CDC_OUT_EP 0x02
#define CDC_INT_EP 0x83
#define MSC_IN_EP 0x84
#define MSC_OUT_EP 0x05
/*!< endpoint address */
#define HID_INT_EP 0x86
#define HID_INT_EP_SIZE 8
#define HID_INT_EP_INTERVAL 10
#define USBD_VID 0xFFFF
#define USBD_PID 0xFFFF
#define USBD_MAX_POWER 100
#define USBD_LANGID_STRING 1033
/*!< report descriptor size */
#define HID_MOUSE_REPORT_DESC_SIZE 74
#define USB_CONFIG_SIZE (9 + CDC_ACM_DESCRIPTOR_LEN + MSC_DESCRIPTOR_LEN + 25)
const uint8_t cdc_acm_hid_msc_descriptor[] = {
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01),
USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x04, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, 0x02),
MSC_DESCRIPTOR_INIT(0x02, MSC_OUT_EP, MSC_IN_EP, 0x02),
/************** Descriptor of Joystick Mouse interface ****************/
/* 09 */
0x09, /* bLength: Interface Descriptor size */
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
0x03, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints */
0x03, /* bInterfaceClass: HID */
0x01, /* bInterfaceSubClass : 1=BOOT, 0=no boot */
0x02, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
0, /* iInterface: Index of string descriptor */
/******************** Descriptor of Joystick Mouse HID ********************/
/* 18 */
0x09, /* bLength: HID Descriptor size */
HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */
0x11, /* bcdHID: HID Class Spec release number */
0x01,
0x00, /* bCountryCode: Hardware target country */
0x01, /* bNumDescriptors: Number of HID class descriptors to follow */
0x22, /* bDescriptorType */
HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
0x00,
/******************** Descriptor of Mouse endpoint ********************/
/* 27 */
0x07, /* bLength: Endpoint Descriptor size */
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */
HID_INT_EP, /* bEndpointAddress: Endpoint Address (IN) */
0x03, /* bmAttributes: Interrupt endpoint */
HID_INT_EP_SIZE, /* wMaxPacketSize: 4 Byte max */
0x00,
HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */
///////////////////////////////////////
/// string0 descriptor
///////////////////////////////////////
USB_LANGID_INIT(USBD_LANGID_STRING),
///////////////////////////////////////
/// string1 descriptor
///////////////////////////////////////
0x14, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'C', 0x00, /* wcChar0 */
'h', 0x00, /* wcChar1 */
'e', 0x00, /* wcChar2 */
'r', 0x00, /* wcChar3 */
'r', 0x00, /* wcChar4 */
'y', 0x00, /* wcChar5 */
'U', 0x00, /* wcChar6 */
'S', 0x00, /* wcChar7 */
'B', 0x00, /* wcChar8 */
///////////////////////////////////////
/// string2 descriptor
///////////////////////////////////////
0x26, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'C', 0x00, /* wcChar0 */
'h', 0x00, /* wcChar1 */
'e', 0x00, /* wcChar2 */
'r', 0x00, /* wcChar3 */
'r', 0x00, /* wcChar4 */
'y', 0x00, /* wcChar5 */
'U', 0x00, /* wcChar6 */
'S', 0x00, /* wcChar7 */
'B', 0x00, /* wcChar8 */
' ', 0x00, /* wcChar9 */
'C', 0x00, /* wcChar10 */
'M', 0x00, /* wcChar11 */
'H', 0x00, /* wcChar12 */
' ', 0x00, /* wcChar13 */
'D', 0x00, /* wcChar14 */
'E', 0x00, /* wcChar15 */
'M', 0x00, /* wcChar16 */
'O', 0x00, /* wcChar17 */
///////////////////////////////////////
/// string3 descriptor
///////////////////////////////////////
0x16, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'2', 0x00, /* wcChar0 */
'0', 0x00, /* wcChar1 */
'2', 0x00, /* wcChar2 */
'2', 0x00, /* wcChar3 */
'1', 0x00, /* wcChar4 */
'2', 0x00, /* wcChar5 */
'3', 0x00, /* wcChar6 */
'4', 0x00, /* wcChar7 */
'5', 0x00, /* wcChar8 */
'6', 0x00, /* wcChar9 */
#ifdef CONFIG_USB_HS
///////////////////////////////////////
/// device qualifier descriptor
///////////////////////////////////////
0x0a,
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
0x00,
0x02,
0x00,
0x00,
0x00,
0x40,
0x01,
0x00,
#endif
0x00
};
#define BLOCK_SIZE 512
#define BLOCK_COUNT 10
typedef struct
{
uint8_t BlockSpace[BLOCK_SIZE];
} BLOCK_TYPE;
BLOCK_TYPE mass_block[BLOCK_COUNT];
void usbd_msc_get_cap(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
{
*block_num = 1000; //Pretend having so many buffer,not has actually.
*block_size = BLOCK_SIZE;
}
int usbd_msc_sector_read(uint32_t sector, uint8_t *buffer, uint32_t length)
{
if (sector < 10)
memcpy(buffer, mass_block[sector].BlockSpace, length);
return 0;
}
int usbd_msc_sector_write(uint32_t sector, uint8_t *buffer, uint32_t length)
{
if (sector < 10)
memcpy(mass_block[sector].BlockSpace, buffer, length);
return 0;
}
/*!< hid mouse report descriptor */
static const uint8_t hid_mouse_report_desc[HID_MOUSE_REPORT_DESC_SIZE] = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x02, // USAGE (Mouse)
0xA1, 0x01, // COLLECTION (Application)
0x09, 0x01, // USAGE (Pointer)
0xA1, 0x00, // COLLECTION (Physical)
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x03, // USAGE_MAXIMUM (Button 3)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x03, // REPORT_COUNT (3)
0x75, 0x01, // REPORT_SIZE (1)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x05, // REPORT_SIZE (5)
0x81, 0x01, // INPUT (Cnst,Var,Abs)
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x09, 0x38,
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7F, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x03, // REPORT_COUNT (2)
0x81, 0x06, // INPUT (Data,Var,Rel)
0xC0, 0x09,
0x3c, 0x05,
0xff, 0x09,
0x01, 0x15,
0x00, 0x25,
0x01, 0x75,
0x01, 0x95,
0x02, 0xb1,
0x22, 0x75,
0x06, 0x95,
0x01, 0xb1,
0x01, 0xc0 // END_COLLECTION
};
/*!< mouse report struct */
struct hid_mouse {
uint8_t buttons;
int8_t x;
int8_t y;
int8_t wheel;
};
/*!< class */
static usbd_class_t hid_class;
/*!< interface */
static usbd_interface_t hid_intf;
/*!< mouse report */
static struct hid_mouse mouse_cfg;
#define HID_STATE_IDLE 0
#define HID_STATE_BUSY 1
/*!< hid state ! Data can be sent only when state is idle */
uint8_t hid_state = HID_STATE_IDLE;
/* function ------------------------------------------------------------------*/
static void usbd_hid_int_callback(uint8_t ep)
{
/*!< endpoint call back */
/*!< transfer successfully */
if (hid_state == HID_STATE_BUSY) {
/*!< update the state */
hid_state = HID_STATE_IDLE;
}
}
/*!< endpoint call back */
static usbd_endpoint_t hid_in_ep = {
.ep_cb = usbd_hid_int_callback,
.ep_addr = HID_INT_EP
};
/*!< class */
usbd_class_t cdc_class;
/*!< interface one */
usbd_interface_t cdc_cmd_intf;
/*!< interface two */
usbd_interface_t cdc_data_intf;
#ifdef CONFIG_USB_HS
#define CDC_BULK_SIZE 512
#else
#define CDC_BULK_SIZE 64
#endif
/* function ------------------------------------------------------------------*/
void usbd_cdc_acm_out(uint8_t ep)
{
uint8_t data[CDC_BULK_SIZE];
uint32_t read_byte;
usbd_ep_read(ep, data, CDC_BULK_SIZE, &read_byte);
for (uint32_t i = 0; i < read_byte; i++) {
USB_LOG_RAW("%02x ", data[i]);
}
USB_LOG_RAW("\r\n");
USB_LOG_RAW("read len:%d\r\n", read_byte);
usbd_ep_read(ep, NULL, 0, NULL);
}
void usbd_cdc_acm_in(uint8_t ep)
{
USB_LOG_RAW("in\r\n");
}
/*!< endpoint call back */
usbd_endpoint_t cdc_out_ep = {
.ep_addr = CDC_OUT_EP,
.ep_cb = usbd_cdc_acm_out
};
usbd_endpoint_t cdc_in_ep = {
.ep_addr = CDC_IN_EP,
.ep_cb = usbd_cdc_acm_in
};
/* function ------------------------------------------------------------------*/
/**
* @brief msc ram init
* @pre none
* @param[in] none
* @retval none
*/
void cdc_acm_hid_msc_descriptor_init(void)
{
usbd_desc_register(cdc_acm_hid_msc_descriptor);
/*!< add interface */
usbd_cdc_add_acm_interface(&cdc_class, &cdc_cmd_intf);
usbd_cdc_add_acm_interface(&cdc_class, &cdc_data_intf);
/*!< interface add endpoint */
usbd_interface_add_endpoint(&cdc_data_intf, &cdc_out_ep);
usbd_interface_add_endpoint(&cdc_data_intf, &cdc_in_ep);
usbd_msc_class_init(MSC_OUT_EP, MSC_IN_EP);
/*!< add interface */
usbd_hid_add_interface(&hid_class, &hid_intf);
/*!< interface add endpoint */
usbd_interface_add_endpoint(&hid_intf, &hid_in_ep);
/*!< register report descriptor */
usbd_hid_report_descriptor_register(1, hid_mouse_report_desc, HID_MOUSE_REPORT_DESC_SIZE);
/*!< init mouse report data */
mouse_cfg.buttons = 0;
mouse_cfg.wheel = 0;
mouse_cfg.x = 0;
mouse_cfg.y = 0;
usbd_initialize();
}
/**
* @brief hid mouse test
* @pre none
* @param[in] none
* @retval none
*/
void hid_mouse_test(void)
{
/*!< move mouse pointer */
mouse_cfg.x += 10;
mouse_cfg.y = 0;
usbd_ep_write(HID_INT_EP, (uint8_t *)&mouse_cfg, 4, NULL);
}
volatile uint8_t dtr_enable = 0;
void usbd_cdc_acm_set_dtr(uint8_t intf, bool dtr)
{
if (dtr) {
dtr_enable = 1;
} else {
dtr_enable = 0;
}
}
void cdc_acm_data_send_with_dtr_test(void)
{
if (dtr_enable) {
uint8_t data_buffer[CDC_BULK_SIZE] = { 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30 };
memset(&data_buffer[10],'a',CDC_BULK_SIZE - 10);
data_buffer[63] = 'b';
usbd_ep_write(CDC_IN_EP, data_buffer, CDC_BULK_SIZE, NULL);// test if zlp is work.
usbd_ep_write(CDC_IN_EP, NULL, 0, NULL);
}
}

11
demo/hid_keyboard_template.c
View File

@@ -177,8 +177,7 @@ static usbd_interface_t hid_intf;
void usbd_hid_int_callback(uint8_t ep)
{
uint8_t sendbuffer[8] = { 0x00, 0x00, HID_KEY_A, 0x00, 0x00, 0x00, 0x00, 0x00 }; //A
usbd_ep_write(HID_INT_EP, sendbuffer, 8, NULL);
}
static usbd_endpoint_t hid_in_ep = {
.ep_cb = usbd_hid_int_callback,
@@ -193,4 +192,10 @@ void hid_keyboard_init(void)
usbd_hid_report_descriptor_register(0, hid_keyboard_report_desc, HID_KEYBOARD_REPORT_DESC_SIZE);
usbd_initialize();
}
}
void hid_keyboard_test(void)
{
uint8_t sendbuffer[8] = { 0x00, 0x00, HID_KEY_A, 0x00, 0x00, 0x00, 0x00, 0x00 }; //A
usbd_ep_write(HID_INT_EP, sendbuffer, 8, NULL);
}

30
demo/hid_mouse_template.c
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@@ -243,38 +243,16 @@ void hid_mouse_init(void)
mouse_cfg.y = 0;
}
/**
* @brief device send report to host
* @pre none
* @param[in] ep endpoint address
* @param[in] data Points to the data buffer waiting to be sent
* @param[in] len Length of data to be sent
* @retval none
*/
void hid_mouse_send_report(uint8_t ep, uint8_t *data, uint8_t len)
{
if (usb_device_is_configured()) {
if (hid_state == HID_STATE_IDLE) {
/*!< updata the state */
hid_state = HID_STATE_BUSY;
/*!< write buffer */
usbd_ep_write(ep, data, len, NULL);
}
}
}
/**
* @brief hid mouse test
* @pre none
* @param[in] none
* @retval none
*/
void hid_mouse_send_report_test(void)
void hid_mouse_test(void)
{
/*!< remove mouse pointer */
/*!< move mouse pointer */
mouse_cfg.x += 10;
mouse_cfg.y = 0;
/*!< send repotr to host */
hid_mouse_send_report(HID_INT_EP, (uint8_t *)&mouse_cfg, 4);
/*!< delay 1000ms */
}
usbd_ep_write(HID_INT_EP, (uint8_t *)&mouse_cfg, 4, NULL);
}

312
demo/hid_msc_template.c Normal file
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@@ -0,0 +1,312 @@
#include "usbd_core.h"
#include "usbd_msc.h"
#include "usbd_hid.h"
#define MSC_IN_EP 0x81
#define MSC_OUT_EP 0x02
/*!< endpoint address */
#define HID_INT_EP 0x83
#define HID_INT_EP_SIZE 8
#define HID_INT_EP_INTERVAL 10
#define USBD_VID 0xFFFF
#define USBD_PID 0xFFFF
#define USBD_MAX_POWER 100
#define USBD_LANGID_STRING 1033
/*!< report descriptor size */
#define HID_MOUSE_REPORT_DESC_SIZE 74
#define USB_CONFIG_SIZE (9 + MSC_DESCRIPTOR_LEN + 25)
const uint8_t hid_msc_descriptor[] = {
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01),
USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
MSC_DESCRIPTOR_INIT(0x00, MSC_OUT_EP, MSC_IN_EP, 0x02),
/************** Descriptor of Joystick Mouse interface ****************/
/* 09 */
0x09, /* bLength: Interface Descriptor size */
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
0x01, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints */
0x03, /* bInterfaceClass: HID */
0x01, /* bInterfaceSubClass : 1=BOOT, 0=no boot */
0x02, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
0, /* iInterface: Index of string descriptor */
/******************** Descriptor of Joystick Mouse HID ********************/
/* 18 */
0x09, /* bLength: HID Descriptor size */
HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */
0x11, /* bcdHID: HID Class Spec release number */
0x01,
0x00, /* bCountryCode: Hardware target country */
0x01, /* bNumDescriptors: Number of HID class descriptors to follow */
0x22, /* bDescriptorType */
HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
0x00,
/******************** Descriptor of Mouse endpoint ********************/
/* 27 */
0x07, /* bLength: Endpoint Descriptor size */
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */
HID_INT_EP, /* bEndpointAddress: Endpoint Address (IN) */
0x03, /* bmAttributes: Interrupt endpoint */
HID_INT_EP_SIZE, /* wMaxPacketSize: 4 Byte max */
0x00,
HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */
///////////////////////////////////////
/// string0 descriptor
///////////////////////////////////////
USB_LANGID_INIT(USBD_LANGID_STRING),
///////////////////////////////////////
/// string1 descriptor
///////////////////////////////////////
0x14, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'C', 0x00, /* wcChar0 */
'h', 0x00, /* wcChar1 */
'e', 0x00, /* wcChar2 */
'r', 0x00, /* wcChar3 */
'r', 0x00, /* wcChar4 */
'y', 0x00, /* wcChar5 */
'U', 0x00, /* wcChar6 */
'S', 0x00, /* wcChar7 */
'B', 0x00, /* wcChar8 */
///////////////////////////////////////
/// string2 descriptor
///////////////////////////////////////
0x26, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'C', 0x00, /* wcChar0 */
'h', 0x00, /* wcChar1 */
'e', 0x00, /* wcChar2 */
'r', 0x00, /* wcChar3 */
'r', 0x00, /* wcChar4 */
'y', 0x00, /* wcChar5 */
'U', 0x00, /* wcChar6 */
'S', 0x00, /* wcChar7 */
'B', 0x00, /* wcChar8 */
' ', 0x00, /* wcChar9 */
'H', 0x00, /* wcChar10 */
'-', 0x00, /* wcChar11 */
'M', 0x00, /* wcChar12 */
' ', 0x00, /* wcChar13 */
'D', 0x00, /* wcChar14 */
'E', 0x00, /* wcChar15 */
'M', 0x00, /* wcChar16 */
'O', 0x00, /* wcChar17 */
///////////////////////////////////////
/// string3 descriptor
///////////////////////////////////////
0x16, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'2', 0x00, /* wcChar0 */
'0', 0x00, /* wcChar1 */
'2', 0x00, /* wcChar2 */
'2', 0x00, /* wcChar3 */
'1', 0x00, /* wcChar4 */
'2', 0x00, /* wcChar5 */
'3', 0x00, /* wcChar6 */
'4', 0x00, /* wcChar7 */
'5', 0x00, /* wcChar8 */
'6', 0x00, /* wcChar9 */
#ifdef CONFIG_USB_HS
///////////////////////////////////////
/// device qualifier descriptor
///////////////////////////////////////
0x0a,
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
0x00,
0x02,
0x00,
0x00,
0x00,
0x40,
0x01,
0x00,
#endif
0x00
};
#define BLOCK_SIZE 512
#define BLOCK_COUNT 10
typedef struct
{
uint8_t BlockSpace[BLOCK_SIZE];
} BLOCK_TYPE;
BLOCK_TYPE mass_block[BLOCK_COUNT];
void usbd_msc_get_cap(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
{
*block_num = 1000; //Pretend having so many buffer,not has actually.
*block_size = BLOCK_SIZE;
}
int usbd_msc_sector_read(uint32_t sector, uint8_t *buffer, uint32_t length)
{
if (sector < 10)
memcpy(buffer, mass_block[sector].BlockSpace, length);
return 0;
}
int usbd_msc_sector_write(uint32_t sector, uint8_t *buffer, uint32_t length)
{
if (sector < 10)
memcpy(mass_block[sector].BlockSpace, buffer, length);
return 0;
}
/*!< hid mouse report descriptor */
static const uint8_t hid_mouse_report_desc[HID_MOUSE_REPORT_DESC_SIZE] = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x02, // USAGE (Mouse)
0xA1, 0x01, // COLLECTION (Application)
0x09, 0x01, // USAGE (Pointer)
0xA1, 0x00, // COLLECTION (Physical)
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x03, // USAGE_MAXIMUM (Button 3)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x03, // REPORT_COUNT (3)
0x75, 0x01, // REPORT_SIZE (1)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x05, // REPORT_SIZE (5)
0x81, 0x01, // INPUT (Cnst,Var,Abs)
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x09, 0x38,
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7F, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x03, // REPORT_COUNT (2)
0x81, 0x06, // INPUT (Data,Var,Rel)
0xC0, 0x09,
0x3c, 0x05,
0xff, 0x09,
0x01, 0x15,
0x00, 0x25,
0x01, 0x75,
0x01, 0x95,
0x02, 0xb1,
0x22, 0x75,
0x06, 0x95,
0x01, 0xb1,
0x01, 0xc0 // END_COLLECTION
};
/*!< mouse report struct */
struct hid_mouse {
uint8_t buttons;
int8_t x;
int8_t y;
int8_t wheel;
};
/*!< class */
static usbd_class_t hid_class;
/*!< interface */
static usbd_interface_t hid_intf;
/*!< mouse report */
static struct hid_mouse mouse_cfg;
#define HID_STATE_IDLE 0
#define HID_STATE_BUSY 1
/*!< hid state ! Data can be sent only when state is idle */
uint8_t hid_state = HID_STATE_IDLE;
/* function ------------------------------------------------------------------*/
static void usbd_hid_int_callback(uint8_t ep)
{
/*!< endpoint call back */
/*!< transfer successfully */
if (hid_state == HID_STATE_BUSY) {
/*!< update the state */
hid_state = HID_STATE_IDLE;
}
}
/*!< endpoint call back */
static usbd_endpoint_t hid_in_ep = {
.ep_cb = usbd_hid_int_callback,
.ep_addr = HID_INT_EP
};
/* function ------------------------------------------------------------------*/
/**
* @brief msc ram init
* @pre none
* @param[in] none
* @retval none
*/
void hid_msc_descriptor_init(void)
{
usbd_desc_register(hid_msc_descriptor);
usbd_msc_class_init(MSC_OUT_EP, MSC_IN_EP);
/*!< add interface */
usbd_hid_add_interface(&hid_class, &hid_intf);
/*!< interface add endpoint */
usbd_interface_add_endpoint(&hid_intf, &hid_in_ep);
/*!< register report descriptor */
usbd_hid_report_descriptor_register(1, hid_mouse_report_desc, HID_MOUSE_REPORT_DESC_SIZE);
/*!< init mouse report data */
mouse_cfg.buttons = 0;
mouse_cfg.wheel = 0;
mouse_cfg.x = 0;
mouse_cfg.y = 0;
usbd_initialize();
}
/**
* @brief device send report to host
* @pre none
* @param[in] ep endpoint address
* @param[in] data Points to the data buffer waiting to be sent
* @param[in] len Length of data to be sent
* @retval none
*/
void hid_mouse_send_report(uint8_t ep, uint8_t *data, uint8_t len)
{
if (usb_device_is_configured()) {
if (hid_state == HID_STATE_IDLE) {
/*!< updata the state */
hid_state = HID_STATE_BUSY;
/*!< write buffer */
usbd_ep_write(ep, data, len, NULL);
}
}
}
/**
* @brief hid mouse test
* @pre none
* @param[in] none
* @retval none
*/
void hid_mouse_send_report_test(void)
{
/*!< remove mouse pointer */
mouse_cfg.x += 10;
mouse_cfg.y = 0;
/*!< send repotr to host */
hid_mouse_send_report(HID_INT_EP, (uint8_t *)&mouse_cfg, 4);
/*!< delay 1000ms */
}