USBHOST TARGET_STM : changes for hub support

Author: jamike

features/unsupported/USBHost/USBHost/TARGET_STM/USBEndpoint_STM.cpp

@@ -19,10 +19,17 @@
 #include "USBEndpoint.h"
 extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
 extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
+extern void HAL_HCD_DisableInt(HCD_HandleTypeDef* hhcd, uint8_t chn_num);
+extern void HAL_HCD_EnableInt(HCD_HandleTypeDef* hhcd, uint8_t chn_num);
+
+
 
 
 void USBEndpoint::init(HCED * hced_, ENDPOINT_TYPE type_, ENDPOINT_DIRECTION dir_, uint32_t size, uint8_t ep_number, HCTD* td_list_[2])
 {
+    HCD_HandleTypeDef *hhcd;
+    uint32_t *addr;
+
     hced = hced_;
     type = type_;
     dir = dir_;
@@ -46,10 +53,14 @@ void USBEndpoint::init(HCED * hced_, ENDPOINT_TYPE type_, ENDPOINT_DIRECTION dir
 
     td_current = td_list[0];
     td_next = td_list[1];
-
+    /*  remove potential post pending from previous endpoint */
+    ep_queue.get(0);
     intf_nb = 0;
-
+    hhcd = (HCD_HandleTypeDef*)hced->hhcd;
+    addr = &((uint32_t *)hhcd->pData)[hced->ch_num];
+    *addr = 0;
     state = USB_TYPE_IDLE;
+    speed =false;
 }
 void USBEndpoint::setSize(uint32_t size)
 {
@@ -59,8 +70,13 @@ void USBEndpoint::setSize(uint32_t size)
 
 void USBEndpoint::setDeviceAddress(uint8_t addr)
 {
+    HCD_HandleTypeDef *hhcd;
+    uint8_t hcd_speed = HCD_SPEED_FULL;
+    /* fix me : small speed device with hub not supported
+    if (this->speed) hcd_speed = HCD_SPEED_LOW; */
+    MBED_ASSERT(HAL_HCD_HC_Init((HCD_HandleTypeDef*)hced->hhcd,hced->ch_num, address, addr, hcd_speed,  type, size)!=HAL_BUSY);
     this->device_address = addr;
-    HAL_HCD_HC_Init((HCD_HandleTypeDef*)hced->hhcd,hced->ch_num, address, addr, HCD_SPEED_FULL,  type, size);
+
 }
 
 void USBEndpoint::setSpeed(uint8_t speed)
@@ -70,58 +86,82 @@ void USBEndpoint::setSpeed(uint8_t speed)
 
 
 
-void USBEndpoint::setState(uint8_t st) {
-    if (st > 18)
+void USBEndpoint::setState(USB_TYPE st)
+{
+    /*  modify this state is possible only with a plug   */
+    if (state == USB_TYPE_FREE) {
         return;
-    if (state == USB_TYPE_FREE) HAL_HCD_HC_Halt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num);
+    }
+
+    state = st;
+    if (st == USB_TYPE_FREE) {
+        HCD_HandleTypeDef *hhcd = (HCD_HandleTypeDef*)hced->hhcd;
+        uint32_t *addr = &((uint32_t *)hhcd->pData)[hced->ch_num];
+        if ((*addr) && (type != INTERRUPT_ENDPOINT)) {
+            this->ep_queue.put((uint8_t*)1);
+        }
+        MBED_ASSERT(HAL_HCD_HC_Halt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num)!=HAL_BUSY);
+        HAL_HCD_DisableInt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num);
+        *addr = 0;
+
+    }
+    if (st == USB_TYPE_ERROR) {
+        MBED_ASSERT(HAL_HCD_HC_Halt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num)!=HAL_BUSY);
+        HAL_HCD_DisableInt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num);
 
-    state = (USB_TYPE)st;
+    }
+    if (st == USB_TYPE_ERROR) {
+        uint8_t hcd_speed = HCD_SPEED_FULL;
+        /* small speed device with hub not supported
+           if (this->speed) hcd_speed = HCD_SPEED_LOW;*/
+        MBED_ASSERT(HAL_HCD_HC_Init((HCD_HandleTypeDef*)hced->hhcd,hced->ch_num, address, 0, hcd_speed,  type, size)!=HAL_BUSY);
+    }
 }
 
 
 extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
 extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
 
- 
+
 USB_TYPE USBEndpoint::queueTransfer()
 {
     HCD_HandleTypeDef *hhcd = (HCD_HandleTypeDef*)hced->hhcd;
     uint32_t *addr = &((uint32_t *)hhcd->pData)[hced->ch_num];
     uint32_t type = HAL_HCD_HC_GetType(hhcd, hced->ch_num);
     uint32_t max_size =  HAL_HCD_HC_GetMaxPacket(hhcd, hced->ch_num);
     /*  if a packet is queue on disconnected ; no solution for now */
-    if(*addr == (uint32_t) -1) {
-        /* set td as disconnected  */
-        td_current->state =  USB_TYPE_DISCONNECTED;
-        return USB_TYPE_DISCONNECTED;
+    if (state == USB_TYPE_FREE)  {
+        td_current->state =  USB_TYPE_FREE;
+        return USB_TYPE_FREE;
     }
+    ep_queue.get(0);
     MBED_ASSERT(*addr ==0);
-    if ((type == EP_TYPE_BULK) || (type== EP_TYPE_CTRL)) {
-        transfer_len =   td_current->size <= max_size ? td_current->size : max_size;
-        transferred = td_current->size;
-    } else  {
-        transfer_len =   td_current->size;
-        transferred = td_current->size;
-        MBED_ASSERT(transferred <= (int)max_size);
-    }
+    transfer_len =   td_current->size <= max_size ? td_current->size : max_size;
     buf_start = (uint8_t *)td_current->currBufPtr;
 
     //Now add this free TD at this end of the queue
     state = USB_TYPE_PROCESSING;
     /*  one request */
     td_current->nextTD = (hcTd*)0;
-
+#if defined(MAX_NYET_RETRY)
+    td_current->retry = 0;
+#endif
+    td_current->setup = setup;
     *addr = (uint32_t)td_current;
     /*  dir /setup is inverted for ST */
     /* token is useful only ctrl endpoint */
     /*  last parameter is ping ? */
     MBED_ASSERT(HAL_HCD_HC_SubmitRequest((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num, dir-1, type,!setup,(uint8_t*) td_current->currBufPtr, transfer_len, 0)==HAL_OK);
+    HAL_HCD_EnableInt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num);
+
     return USB_TYPE_PROCESSING;
 }
 
 void USBEndpoint::unqueueTransfer(volatile HCTD * td)
 {
-
+    if (state==USB_TYPE_FREE) {
+        return;
+    }
     uint32_t *addr = &((uint32_t *)((HCD_HandleTypeDef*)hced->hhcd)->pData)[hced->ch_num];
     td->state=0;
     td->currBufPtr=0;