/**
* \brief Handle USB SET CONFIGURATION request.
*
*/
static void SetConfigurationReq(void)
{
if ((usb_device_state == USB_STATE_ADDRESS) || (usb_device_state == USB_STATE_CONFIGURED)) {
if (usb_setup.value <= DeviceDescriptor.num_configurations) {
uint8 i;
if (usb_setup.value) {
for (i = 2; i < USB_EP_MAX; i += 2) {
hw_usb_ep_rx_enable(i);
}
usb_device_state = USB_STATE_CONFIGURED;
usb_enable_app(0);
}
else {
for (i = 1; i < USB_EP_MAX; i++) {
hw_usb_ep_disable(i, true);
}
usb_device_state = USB_STATE_ADDRESS;
usb_disable_app(0);
}
hw_usb_ep_tx_start(USB_EP_DEFAULT, NULL, 0);
usb_charger_connected(dg_configBATTERY_CHARGE_CURRENT);
return;
}
}
hw_usb_ep0_stall();
}
/**
* \brief Handle USB SET FEATURE request.
*
*/
static void SetFeatureReq(void)
{
if (usb_device_state == USB_STATE_ADDRESS
|| usb_device_state == USB_STATE_CONFIGURED) {
switch (usb_setup.request_type & USB_RECIP_MASK) {
case USB_RECIP_ENDPOINT:
{
USB_Endpoint_Id_Type EpNr = GetEpId(usb_setup.index);
if (EpNr >= USB_EP_MAX) {
break;
}
if (usb_setup.value != USB_ENDPOINT_HALT) {
break;
}
hw_usb_ep_stall(EpNr);
}
hw_usb_ep_tx_start(USB_EP_DEFAULT, NULL, 0);
return;
}
}
hw_usb_ep0_stall();
}
/**
* \brief Handle USB GET STATUS request.
*
*/
static void GetStatusReq(void)
{
uint16 v = 0;
if (usb_device_state == USB_STATE_ADDRESS
|| usb_device_state == USB_STATE_CONFIGURED) {
switch (usb_setup.request_type & USB_RECIP_MASK) {
case USB_RECIP_DEVICE:
SendEp0Data((uint8*) &v, 2);
return;
case USB_RECIP_ENDPOINT:
{
USB_Endpoint_Id_Type EpNr = GetEpId(usb_setup.index);
if (EpNr >= USB_EP_MAX) {
break;
}
if (hw_usb_ep_is_stalled(EpNr)) {
v = 1;
}
}
SendEp0Data((uint8*) &v, 2);
return;
}
}
hw_usb_ep0_stall();
}
/**
* \brief Convert char string to wide-char, and send.
*
* \param[in] str The string.
*
* \warning Note that this is not a real ansi-to-wide conversion, just an extension of each
* character to 16-bit.
*/
static void SendEp0String(const char* str)
{
uint8 len = strlen(str);
uint8 size = 2 + (2 * len);
ep0_buffer = OS_MALLOC(size);
if (ep0_buffer) {
uint8* pb = ep0_buffer;
const char* ps = str;
uint8 i;
*pb++ = size;
*pb++ = USB_DT_STRING;
for (i = 0; i < len; i++) {
*pb++ = *ps++;
*pb++ = 0;
}
hw_usb_ep_tx_start(USB_EP_DEFAULT, ep0_buffer,
MIN(size, usb_setup.length));
}
else {
hw_usb_ep0_stall();
}
}
/**
* \brief Handle USB VENDOR request.
*
*/
static void HandleVendorReq(void)
{
switch (usb_setup.request) {
case MS_WINUSB_COMP_ID_FEATURE:
MSGetWinusbCompIDFeatureReq();
break;
default:
hw_usb_ep0_stall();
break;
}
}
/**
* \brief Handle USB SET ADDRESS request.
*
*/
static void SetAddressReq(void)
{
if ((usb_device_state == USB_STATE_DEFAULT) || (usb_device_state == USB_STATE_ADDRESS)) {
hw_usb_bus_address(usb_setup.value);
hw_usb_ep_tx_start(USB_EP_DEFAULT, NULL, 0);
usb_device_state = USB_STATE_ADDRESS;
usb_disable_app(0);
return;
}
hw_usb_ep0_stall();
}
/**
* \brief Transmit data on endpoint zero.
*
* \param[in] data The buffer holding the data.
* \param[in] size The size of the data in the buffer.
*
*/
static void SendEp0Data(uint8* data, uint8 size)
{
ep0_buffer = OS_MALLOC(size);
if (ep0_buffer) {
memcpy(ep0_buffer, data, size);
hw_usb_ep_tx_start(USB_EP_DEFAULT, ep0_buffer, size);
}
else {
hw_usb_ep0_stall();
}
}
/**
* \brief Handle USB GET CONFIGURATION request.
*
*/
static void GetConfigurationReq(void)
{
if ((usb_device_state == USB_STATE_ADDRESS) || (usb_device_state == USB_STATE_CONFIGURED)) {
uint8 v = 0;
if (usb_device_state == USB_STATE_CONFIGURED) {
v = 1;
}
SendEp0Data(&v, 1);
return;
}
hw_usb_ep0_stall();
}
static void MSGetWinusbCompIDFeatureReq(void)
{
switch (usb_setup.value & 0xFF) {
case MS_WINUSB:
if (usb_setup.index == MS_COMPATIBLE_ID_FEATURE)
{
SendEp0Data((uint8*) UsbMSOSCompatibleID,
MIN(UsbMSOSCompatibleID[0], usb_setup.length));
}
break;
default:
hw_usb_ep0_stall();
break;
}
}
/**
* \brief Handle USB standard request.
*
*/
static void HandleStandardReq(void)
{
switch (usb_setup.request) {
case USB_REQ_GET_STATUS:
GetStatusReq();
break;
case USB_REQ_CLEAR_FEATURE:
ClearFeatureReq();
break;
case USB_REQ_SET_FEATURE:
SetFeatureReq();
break;
case USB_REQ_SET_ADDRESS:
SetAddressReq();
break;
case USB_REQ_GET_DESCRIPTOR:
GetDescriptorReq();
break;
case USB_REQ_GET_CONFIGURATION:
GetConfigurationReq();
break;
case USB_REQ_SET_CONFIGURATION:
SetConfigurationReq();
break;
default:
hw_usb_ep0_stall();
break;
}
}
//=========================================================================
//函数名: hw_usb_setup_handler
//功 能: 对SETUP包解包和处理
//参 数: 无
//返 回: 无
//说 明:
// (1)只有接收到SETUP包才调用该函数
// (2)SETUP包中8字节数据
// bmRequestType:1
// bRequest:1
// wValue.H:1 :描述符的类型
// wValue.L:1 :描述符的索引
// wIndex:2
// wLength:2
//=========================================================================
void hw_usb_setup_handler(void)
{
uint_8 u8State;
// 从DATA0 开始传输。
FLAG_CLR(0,gu8USB_Toogle_flags);
switch(Setup_Pkt->bmRequestType & 0x1F)
{
/*
#define STANDARD_REQ 0x00
#define SPECIFIC_REQ 0x20
#define VENDORSPEC_REQ 0x40
#define DEVICE_REQ 0x00
#define INTERFACE_REQ 0x01
#define ENDPOINT_REQ 0x02
*/
// #define DEVICE_REQ 0x00
case DEVICE_REQ:
// 设备
if((Setup_Pkt->bmRequestType & 0x1F)== STANDARD_REQ)
{
//tBDTtable[bEP0IN_ODD].Stat._byte= kUDATA1;
// USB 设备的标准请求
hw_usb_stdReq_handler();
}
//#define kUDATA0 0x88
//#define kUDATA1 0xC8
// 把BDT 的控制权交给USB 模块
tBDTtable[bEP0OUT_ODD].Stat._byte= kUDATA0;
break;
// #define INTERFACE_REQ 0x01
case INTERFACE_REQ:
// 接口
/*
u8State=USB_InterfaceReq_Handler();
if(u8State==uSETUP)
tBDTtable[bEP0OUT_ODD].Stat._byte= kUDATA0;
else
tBDTtable[bEP0OUT_ODD].Stat._byte= kUDATA1;
*/
break;
// #define ENDPOINT_REQ 0x02
case ENDPOINT_REQ:
// 端点
hw_usb_endpoint_setup_handler();
tBDTtable[bEP0OUT_ODD].Stat._byte= kUDATA0;
break;
default:
hw_usb_ep0_stall();
break;
}
//USB_CTL&=!USB_CTL_TXSUSPENDTOKENBUSY_MASK;
//CTL_TXSUSPEND_TOKENBUSY=0;
// 为0 时: SIE 继续处理令牌
FLAG_CLR(USB_CTL_TXSUSPENDTOKENBUSY_SHIFT,USB0_CTL);
}
//=========================================================================
//函数名: hw_usb_stdReq_handler
//功 能: 对标准的SETUP包解包和处理
//参 数: 无
//返 回: 无
//=========================================================================
void hw_usb_stdReq_handler(void)
{
uint_16 gu8Status;
switch(Setup_Pkt->bRequest)
{
/*
1）获取状态 Get Status (00H)
A:[To Device]获取设备的状态:
*.位0:自供电(0表示总线供电;1表示自供电).
*.位1:远程唤醒(0表示不支持远程唤醒;1表示远程唤醒).
*.位2~15:保留.
*.一般选择总线供电,不支持远程唤醒,所以返回数据就是0x0000.
B:[To Interface]获取接口的状态:
*.接口状态的16位字节全部保留,所以返回数据就是0x0000.
C:[To Endpoint]获取端点的状态:
*.位0:Halt(0表示端点允许;1表示端点禁止).
*.位1~15:保留(复位为0).
2）清除特性 Clear Feature (01H)
A:[To Device]清除设备的远程唤醒功能,并返回一个空包.
B:[To Endpoint]解禁端点.
3）设置特性 Set Feature (03H)
A:[To Device]设置设备的远程唤醒功能,并返回一个空包.
B:[To Endpoint]禁止端点.
4）设置地址 Set Address (05H)
A:设置设备地址.
5）获取描述符 Get Descriptor (06H)
A:[To Device]获取设备描述符:
*.描述当前USB协议的版本号.设备端点0的FIFO大小.USB设备的ID号等.
B:[To Configuration]获取配置描述符:
*.描述USB设备接口个数及是否有自供电能力等.
C:[To Interface]获取接口描述符:
*.描述端点0以外的物理端点个数等信息.
D:[To Endpoint]获取端点描述符:
*.描述端点0各端点的传输类型和最大信息包大小和端点的传输方向(IN/OUT).
6）设置描述符(可选,无法更新) Set Descriptor (07H)
7）获取配置信息 Get Configuration (08H)
8）设置配置 Set Configuration (09H)
A:[To Configuration]设置配置描述符.
B:[To Interface]设置接口描述符.
C:[To Endpoint]设置端点描述符.
9） 获取接口信息 Get Interface (0AH)
10）设置接口 Set Interface (0BH)
11）SYNCH_FRAME(0CH)
用于设备设置和报告一个端点的同步帧.
*/
// #define mGET_STATUS 0
// #define mCLR_FEATURE 1
// #define mSET_FEATURE 3
// #define mSET_ADDRESS 5
// #define mGET_DESC 6
// #define mSET_DESC 7
// #define mGET_CONFIG 8
// #define mSET_CONFIG 9
// #define mGET_INTF 10
// #define mSET_INTF 11
// #define mSYNC_FRAME 12
// PC 给芯片地址配置
// #define mSET_ADDRESS 5
//
case mSET_ADDRESS:
hw_usb_ep_in_transfer(EP0,0,0);
gu8USB_State=uADDRESS;
break;
// PC 从芯片获取描述符
// define mGET_DESC 6
case mGET_DESC:
// 高字节 : Setup_Pkt->wValue_h 表示描述符类型
// 低字节 : Setup_Pkt->wValue_l 表示描述符的索引值
switch(Setup_Pkt->wValue_h)
{
/*
#define mDEVICE 0x01 //设备描述符
#define mCONFIGURATION 0x02 //配置描述符
#define mSTRING 0x03 //字符串描述符
#define mINTERFACE 0x04 //接口描述符
#define mENDPOINT 0x05 //端点描述符
#define mDEVICE_QUALIFIER 6
#define mOTHER_SPEED_CONFIGURATION 7
#define mINTERFACE_POWER 8
*/
case mDEVICE:
// 发送设备描述符
hw_usb_ep_in_transfer(EP0,(uint_8*)Device_Descriptor,sizeof(Device_Descriptor));
break;
case mCONFIGURATION:
// 发送配置描述符
hw_usb_ep_in_transfer(EP0,(uint_8*)Configuration_Descriptor,sizeof(Configuration_Descriptor));
break;
case mSTRING:
// 发送字符串描述符
hw_usb_ep_in_transfer(EP0,(uint_8*)String_Table[Setup_Pkt->wValue_l],String_Table[Setup_Pkt->wValue_l][0]);
break;
default:
hw_usb_ep0_stall();
break;
}
break;
// 设置配置 Set Configuration
// #define mSET_CONFIG 9
case mSET_CONFIG:
// 选择配置值
gu8Dummy=Setup_Pkt->wValue_h+Setup_Pkt->wValue_l;
if(Setup_Pkt->wValue_h+Setup_Pkt->wValue_l)
{
//使能1 、2 、3 端点
hw_usb_set_interface();
hw_usb_ep_in_transfer(EP0,0,0);
gu8USB_State=uENUMERATED;
}
break;
// 获取配置信息 Get Configuration
// #define mGET_CONFIG 8
case mGET_CONFIG:
// 获取配置信息
hw_usb_ep_in_transfer(EP0,(uint_8*)&gu8Dummy,1);
break;
// 获取状态 Get Status
// #define mGET_STATUS 0
case mGET_STATUS:
//
gu8Status=0;
hw_usb_ep_in_transfer(EP0,(uint_8*)&gu8Status,2);
break;
default:
hw_usb_ep0_stall();
break;
}
}
/**
* \brief Handle USB GET DESCRIPTOR request.
*
*/
static void GetDescriptorReq(void)
{
uint16 size;
switch (usb_setup.value >> 8) {
case USB_DT_DEVICE:
SendEp0Data((uint8*) &DeviceDescriptor,
MIN(sizeof(DeviceDescriptor), usb_setup.length));
return;
case USB_DT_CONFIG:
size = sizeof(ConfigDescriptor) + SIZE_OF_CONFIGURATION;
ep0_buffer = OS_MALLOC(size);
if (ep0_buffer == NULL) {
break;
}
// Create full configuration descriptor.
{
uint8 *pb = ep0_buffer;
uint8 i;
// Config descriptor.
memcpy(pb, &ConfigDescriptor, sizeof(ConfigDescriptor));
((usb_config_descriptor_type*) pb)->total_length = size;
pb += sizeof(ConfigDescriptor);
// HID interfaces.
for (i = 0; i < NUM_OF_INTERFACES; i++) {
memcpy(pb, &Interface0, sizeof(Interface0));
((usb_interface_descriptor_type*) pb)->interface_number = i;
pb += sizeof(Interface0);
memcpy(pb, &BulkEpTx, sizeof(BulkEpTx));
((usb_endpoint_descriptor_type*) pb)->endpoint_address =
USB_DIR_IN | (USB_EP_BULK_TX + (2 * i));
pb += sizeof(BulkEpTx);
memcpy(pb, &BulkEpRx, sizeof(BulkEpRx));
((usb_endpoint_descriptor_type*) pb)->endpoint_address =
USB_DIR_OUT | (USB_EP_BULK_RX + (2 * i));
pb += sizeof(BulkEpRx);
}
}
// Send it.
hw_usb_ep_tx_start(USB_EP_DEFAULT, ep0_buffer, MIN(size, usb_setup.length));
return;
case USB_DT_STRING:
switch (usb_setup.value & 0xFF) {
case 0:
SendEp0Data((uint8*) UsbLanguageId,
MIN(sizeof(UsbLanguageId), usb_setup.length));
return;
case MANUFACTURER_STR_INDEX:
SendEp0String(UsbManufacturerString);
return;
case PRODUCT_STR_INDEX:
SendEp0String(UsbProductString);
return;
case CONFIGURATION_STR_INDEX:
SendEp0String(UsbConfigurationfString);
return;
case SERIAL_STR_INDEX:
SendEp0String(UsbSerialNumberString);
return;
case IFACE_STR_INDEX:
SendEp0String(UsbInterfaceString);
return;
case MSFT_OS_STR_INDEX:
SendEp0Data((uint8*) UsbMSOSString,
MIN(UsbMSOSString[0], usb_setup.length));
return;
}
break;
case USB_DT_DEVICE_QUALIFIER:
break;
}
hw_usb_ep0_stall();
}