Diff: targets/TARGET_STM/USBHALHost_STM.cpp

Revision:

8:3e7a33f81048

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/USBHALHost_STM.cpp	Sat Jan 04 23:30:59 2020 +0000
@@ -0,0 +1,284 @@
+/* mbed USBHost Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef TARGET_STM
+#include "mbed.h"
+#include "USBHALHost.h"
+#include "dbg.h"
+#include "pinmap.h"
+
+#include "USBHALHost_STM.h"
+
+void HAL_HCD_Connect_Callback(HCD_HandleTypeDef *hhcd)
+{
+    USBHALHost_Private_t *priv = (USBHALHost_Private_t *)(hhcd->pData);
+    USBHALHost *obj = priv->inst;
+    void (USBHALHost::*func)(int hub, int port, bool lowSpeed, USBHostHub * hub_parent) = priv->deviceConnected;
+    (obj->*func)(0, 1, 0, NULL);
+}
+void HAL_HCD_Disconnect_Callback(HCD_HandleTypeDef *hhcd)
+{
+    USBHALHost_Private_t *priv = (USBHALHost_Private_t *)(hhcd->pData);
+    USBHALHost *obj = priv->inst;
+    void (USBHALHost::*func1)(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr) = priv->deviceDisconnected;
+    (obj->*func1)(0, 1, (USBHostHub *)NULL, 0);
+}
+int HAL_HCD_HC_GetDirection(HCD_HandleTypeDef *hhcd, uint8_t chnum)
+{
+    /*  useful for transmission */
+    return hhcd->hc[chnum].ep_is_in;
+}
+
+uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chnum)
+{
+    /*  useful for transmission */
+    return hhcd->hc[chnum].max_packet;
+}
+
+void  HAL_HCD_EnableInt(HCD_HandleTypeDef *hhcd, uint8_t chnum)
+{
+    USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
+    USBx_HOST->HAINTMSK |= (1 << chnum);
+}
+
+
+void  HAL_HCD_DisableInt(HCD_HandleTypeDef *hhcd, uint8_t chnum)
+{
+    USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
+    USBx_HOST->HAINTMSK &= ~(1 << chnum);
+}
+uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chnum)
+{
+    /*  useful for transmission */
+    return hhcd->hc[chnum].ep_type;
+}
+
+void HAL_HCD_HC_NotifyURBChange_Callback(HCD_HandleTypeDef *hhcd, uint8_t chnum, HCD_URBStateTypeDef urb_state)
+{
+    USBHALHost_Private_t *priv = (USBHALHost_Private_t *)(hhcd->pData);
+    USBHALHost *obj = priv->inst;
+    void (USBHALHost::*func)(volatile uint32_t addr) = priv->transferCompleted;
+
+    uint32_t addr = priv->addr[chnum];
+    uint32_t max_size = HAL_HCD_HC_GetMaxPacket(hhcd, chnum);
+    uint32_t type = HAL_HCD_HC_GetType(hhcd, chnum);
+    uint32_t dir = HAL_HCD_HC_GetDirection(hhcd, chnum);
+    uint32_t length;
+    if ((addr != 0)) {
+        HCTD *td = (HCTD *)addr;
+
+        if ((type == EP_TYPE_BULK) || (type == EP_TYPE_CTRL)) {
+            switch (urb_state) {
+                case URB_DONE:
+#if defined(MAX_NYET_RETRY)
+                    td->retry = 0;
+#endif
+                    if (td->size >  max_size) {
+                        /*  enqueue  another request */
+                        td->currBufPtr += max_size;
+                        td->size -= max_size;
+                        length = td->size <= max_size ? td->size : max_size;
+                        MBED_ASSERT(HAL_HCD_HC_SubmitRequest(hhcd, chnum, dir, type, !td->setup, (uint8_t *) td->currBufPtr, length, 0) == HAL_OK);
+                        HAL_HCD_EnableInt(hhcd, chnum);
+                        return;
+                    }
+                    break;
+                case  URB_NOTREADY:
+                    /*  try again  */
+                    /*  abritary limit , to avoid dead lock if other error than
+                     *  slow response is  */
+#if defined(MAX_NYET_RETRY)
+                    if (td->retry < MAX_NYET_RETRY) {
+                        /*  increment retry counter */
+                        td->retry++;
+#endif
+                        length = td->size <= max_size ? td->size : max_size;
+                        MBED_ASSERT(HAL_HCD_HC_SubmitRequest(hhcd, chnum, dir, type, !td->setup, (uint8_t *) td->currBufPtr, length, 0) == HAL_OK);
+                        HAL_HCD_EnableInt(hhcd, chnum);
+                        return;
+#if defined(MAX_NYET_RETRY)
+                    } else {
+                        USB_ERR("urb_state != URB_NOTREADY");
+                    }
+#endif
+                    break;
+            }
+        }
+        if ((type == EP_TYPE_INTR)) {
+            /*  reply a packet of length NULL, this will be analyse in call back
+             *  for mouse or hub */
+            td->state = USB_TYPE_IDLE ;
+            HAL_HCD_DisableInt(hhcd, chnum);
+
+        } else {
+            td->state = (urb_state == URB_DONE) ?  USB_TYPE_IDLE : USB_TYPE_ERROR;
+        }
+        td->currBufPtr += HAL_HCD_HC_GetXferCount(hhcd, chnum);
+        (obj->*func)(addr);
+    } else {
+        if (urb_state != 0) {
+            USB_DBG_EVENT("spurious %d %d", chnum, urb_state);
+        }
+    }
+}
+
+USBHALHost *USBHALHost::instHost;
+
+
+void USBHALHost::init()
+{
+
+    NVIC_DisableIRQ(USBHAL_IRQn);
+    NVIC_SetVector(USBHAL_IRQn, (uint32_t)(_usbisr));
+    HAL_HCD_Init((HCD_HandleTypeDef *) usb_hcca);
+    NVIC_EnableIRQ(USBHAL_IRQn);
+    control_disable = 0;
+    HAL_HCD_Start((HCD_HandleTypeDef *) usb_hcca);
+    usb_vbus(1);
+}
+
+uint32_t USBHALHost::controlHeadED()
+{
+    return 0xffffffff;
+}
+
+uint32_t USBHALHost::bulkHeadED()
+{
+    return 0xffffffff;
+}
+
+uint32_t USBHALHost::interruptHeadED()
+{
+    return 0xffffffff;
+}
+
+void USBHALHost::updateBulkHeadED(uint32_t addr)
+{
+}
+
+
+void USBHALHost::updateControlHeadED(uint32_t addr)
+{
+}
+
+void USBHALHost::updateInterruptHeadED(uint32_t addr)
+{
+}
+
+
+void USBHALHost::enableList(ENDPOINT_TYPE type)
+{
+    /*  react when the 3 lists are requested to be disabled */
+    if (type == CONTROL_ENDPOINT) {
+        control_disable--;
+        if (control_disable == 0) {
+            NVIC_EnableIRQ(USBHAL_IRQn);
+        } else {
+            printf("reent\n");
+        }
+    }
+}
+
+
+bool USBHALHost::disableList(ENDPOINT_TYPE type)
+{
+    if (type == CONTROL_ENDPOINT) {
+        NVIC_DisableIRQ(USBHAL_IRQn);
+        control_disable++;
+        if (control_disable > 1) {
+            printf("disable reentrance !!!\n");
+        }
+        return true;
+    }
+    return false;
+}
+
+
+void USBHALHost::memInit()
+{
+    usb_hcca = (volatile HCD_HandleTypeDef *)usb_buf;
+    usb_edBuf = usb_buf + HCCA_SIZE;
+    usb_tdBuf = usb_buf + HCCA_SIZE + (MAX_ENDPOINT * ED_SIZE);
+    /*  init channel  */
+    memset((void *)usb_buf, 0, TOTAL_SIZE);
+    for (int i = 0; i < MAX_ENDPOINT; i++) {
+        HCED    *hced = (HCED *)(usb_edBuf + i * ED_SIZE);
+        hced->ch_num = i;
+        hced->hhcd = (HCCA *) usb_hcca;
+    }
+}
+
+volatile uint8_t *USBHALHost::getED()
+{
+    for (int i = 0; i < MAX_ENDPOINT; i++) {
+        if (!edBufAlloc[i]) {
+            edBufAlloc[i] = true;
+            return (volatile uint8_t *)(usb_edBuf + i * ED_SIZE);
+        }
+    }
+    perror("Could not allocate ED\r\n");
+    return NULL; //Could not alloc ED
+}
+
+volatile uint8_t *USBHALHost::getTD()
+{
+    int i;
+    for (i = 0; i < MAX_TD; i++) {
+        if (!tdBufAlloc[i]) {
+            tdBufAlloc[i] = true;
+            return (volatile uint8_t *)(usb_tdBuf + i * TD_SIZE);
+        }
+    }
+    perror("Could not allocate TD\r\n");
+    return NULL; //Could not alloc TD
+}
+
+
+void USBHALHost::freeED(volatile uint8_t *ed)
+{
+    int i;
+    i = (ed - usb_edBuf) / ED_SIZE;
+    edBufAlloc[i] = false;
+}
+
+void USBHALHost::freeTD(volatile uint8_t *td)
+{
+    int i;
+    i = (td - usb_tdBuf) / TD_SIZE;
+    tdBufAlloc[i] = false;
+}
+
+
+void USBHALHost::resetRootHub()
+{
+    // Initiate port reset
+    wait(0.2);
+    HAL_HCD_ResetPort((HCD_HandleTypeDef *)usb_hcca);
+}
+
+
+void USBHALHost::_usbisr(void)
+{
+    if (instHost) {
+        instHost->UsbIrqhandler();
+    }
+}
+
+void USBHALHost::UsbIrqhandler()
+{
+    HAL_HCD_IRQHandler((HCD_HandleTypeDef *)usb_hcca);
+}
+#endif