diff options
Diffstat (limited to 'os/hal/src/hal_usbh.c')
-rw-r--r-- | os/hal/src/hal_usbh.c | 203 |
1 files changed, 105 insertions, 98 deletions
diff --git a/os/hal/src/hal_usbh.c b/os/hal/src/hal_usbh.c index 007ef1b..dad022f 100644 --- a/os/hal/src/hal_usbh.c +++ b/os/hal/src/hal_usbh.c @@ -56,8 +56,7 @@ #endif static void _classdriver_process_device(usbh_device_t *dev); -static bool _classdriver_load(usbh_device_t *dev, uint8_t class, - uint8_t subclass, uint8_t protocol, uint8_t *descbuff, uint16_t rem); +static bool _classdriver_load(usbh_device_t *dev, uint8_t *descbuff, uint16_t rem); #if HAL_USBH_USE_ADDITIONAL_CLASS_DRIVERS #include "usbh_additional_class_drivers.h" @@ -1205,69 +1204,68 @@ void usbhMainLoop(USBHDriver *usbh) { #endif } - /*===========================================================================*/ -/* IAD class driver. */ +/* Class driver loader. */ /*===========================================================================*/ -#if HAL_USBH_USE_IAD -static usbh_baseclassdriver_t *iad_load(usbh_device_t *dev, const uint8_t *descriptor, uint16_t rem); -static void iad_unload(usbh_baseclassdriver_t *drv); -static const usbh_classdriver_vmt_t usbhiadClassDriverVMT = { - NULL, - iad_load, - iad_unload -}; -static const usbh_classdriverinfo_t usbhiadClassDriverInfo = { - 0xef, 0x02, 0x01, "IAD", &usbhiadClassDriverVMT -}; -static usbh_baseclassdriver_t *iad_load(usbh_device_t *dev, - const uint8_t *descriptor, uint16_t rem) { - (void)rem; +bool _usbh_match_vid_pid(usbh_device_t *dev, int32_t vid, int32_t pid) { + if (((vid < 0) || (dev->devDesc.idVendor == vid)) + && ((pid < 0) || (dev->devDesc.idProduct == pid))) + return HAL_SUCCESS; - if (descriptor[1] != USBH_DT_DEVICE) - return 0; + return HAL_FAILED; +} - uinfo("Load a driver for each IF collection."); +bool _usbh_match_descriptor(const uint8_t *descriptor, uint16_t rem, + int16_t type, int16_t _class, int16_t subclass, int16_t protocol) { - generic_iterator_t icfg; - if_iterator_t iif; - const usbh_ia_descriptor_t *last_iad = 0; + int16_t dclass, dsubclass, dprotocol; - cfg_iter_init(&icfg, dev->fullConfigurationDescriptor, - dev->basicConfigDesc.wTotalLength); - if (!icfg.valid) { - uerr("Invalid configuration descriptor."); - return 0; - } + if ((rem < descriptor[0]) || (rem < 2)) + return HAL_FAILED; - for (if_iter_init(&iif, &icfg); iif.valid; if_iter_next(&iif)) { - if (iif.iad && (iif.iad != last_iad)) { - last_iad = iif.iad; - if (_classdriver_load(dev, iif.iad->bFunctionClass, - iif.iad->bFunctionSubClass, - iif.iad->bFunctionProtocol, - (uint8_t *)iif.iad, - (uint8_t *)iif.curr - (uint8_t *)iif.iad + iif.rem) != HAL_SUCCESS) { - uwarnf("No drivers found for IF collection #%d:%d", - iif.iad->bFirstInterface, - iif.iad->bFirstInterface + iif.iad->bInterfaceCount - 1); - } - } + uint8_t dtype = descriptor[1]; + + if ((type >= 0) && (type != dtype)) + return HAL_FAILED; + + switch (dtype) { + case USBH_DT_DEVICE: { + if (rem < USBH_DT_DEVICE_SIZE) + return HAL_FAILED; + const usbh_device_descriptor_t *const desc = (const usbh_device_descriptor_t *)descriptor; + dclass = desc->bDeviceClass; + dsubclass = desc->bDeviceSubClass; + dprotocol = desc->bDeviceProtocol; + } break; + case USBH_DT_INTERFACE: { + if (rem < USBH_DT_INTERFACE_SIZE) + return HAL_FAILED; + const usbh_interface_descriptor_t *const desc = (const usbh_interface_descriptor_t *)descriptor; + dclass = desc->bInterfaceClass; + dsubclass = desc->bInterfaceSubClass; + dprotocol = desc->bInterfaceProtocol; + } break; + case USBH_DT_INTERFACE_ASSOCIATION: { + if (rem < USBH_DT_INTERFACE_ASSOCIATION_SIZE) + return HAL_FAILED; + const usbh_ia_descriptor_t *const desc = (const usbh_ia_descriptor_t *)descriptor; + dclass = desc->bFunctionClass; + dsubclass = desc->bFunctionSubClass; + dprotocol = desc->bFunctionProtocol; + } break; + default: + return HAL_FAILED; } - return 0; -} + if (((_class < 0) || (_class == dclass)) + && ((subclass < 0) || (subclass == dsubclass)) + && ((protocol < 0) || (protocol == dprotocol))) + return HAL_SUCCESS; -static void iad_unload(usbh_baseclassdriver_t *drv) { - (void)drv; + return HAL_FAILED; } -#endif - -/*===========================================================================*/ -/* Class driver loader. */ -/*===========================================================================*/ static const usbh_classdriverinfo_t *usbh_classdrivers_lookup[] = { #if HAL_USBH_USE_ADDITIONAL_CLASS_DRIVERS /* user-defined out of tree class drivers */ @@ -1276,8 +1274,8 @@ static const usbh_classdriverinfo_t *usbh_classdrivers_lookup[] = { #if HAL_USBH_USE_FTDI &usbhftdiClassDriverInfo, #endif -#if HAL_USBH_USE_IAD - &usbhiadClassDriverInfo, +#if HAL_USBH_USE_HUB + &usbhhubClassDriverInfo, #endif #if HAL_USBH_USE_UVC &usbhuvcClassDriverInfo, @@ -1291,44 +1289,24 @@ static const usbh_classdriverinfo_t *usbh_classdrivers_lookup[] = { #if HAL_USBH_USE_UVC &usbhuvcClassDriverInfo, #endif -#if HAL_USBH_USE_HUB - &usbhhubClassDriverInfo, -#endif #if HAL_USBH_USE_AOA &usbhaoaClassDriverInfo, /* Leave always last */ #endif }; -static bool _classdriver_load(usbh_device_t *dev, uint8_t class, - uint8_t subclass, uint8_t protocol, uint8_t *descbuff, uint16_t rem) { +static bool _classdriver_load(usbh_device_t *dev, uint8_t *descbuff, uint16_t rem) { uint8_t i; usbh_baseclassdriver_t *drv = NULL; for (i = 0; i < sizeof_array(usbh_classdrivers_lookup); i++) { const usbh_classdriverinfo_t *const info = usbh_classdrivers_lookup[i]; - if (class == 0xff) { - /* vendor specific */ - if (info->class == 0xff) { - uinfof("Try load vendor-specific driver %s", info->name); - drv = info->vmt->load(dev, descbuff, rem); - if (drv != NULL) - goto success; - } - } else if ((info->class < 0) || ((info->class == class) - && ((info->subclass < 0) || ((info->subclass == subclass) - && ((info->protocol < 0) || (info->protocol == protocol)))))) { - uinfof("Try load driver %s", info->name); - drv = info->vmt->load(dev, descbuff, rem); -#if HAL_USBH_USE_IAD - /* special case: */ - if (info == &usbhiadClassDriverInfo) - goto success; //return HAL_SUCCESS; -#endif + uinfof("Try load driver %s", info->name); + drv = info->vmt->load(dev, descbuff, rem); - if (drv != NULL) - goto success; - } + if (drv != NULL) + goto success; } + return HAL_FAILED; success: @@ -1369,13 +1347,16 @@ static void _classdriver_process_device(usbh_device_t *dev) { usbhDevicePrintConfiguration(dev->fullConfigurationDescriptor, dev->basicConfigDesc.wTotalLength); - if (devdesc->bDeviceClass == 0) { - /* each interface defines its own device class/subclass/protocol */ - uinfo("Load a driver for each IF."); +#if HAL_USBH_USE_IAD + if (dev->devDesc.bDeviceClass == 0xef + && dev->devDesc.bDeviceSubClass == 0x02 + && dev->devDesc.bDeviceProtocol == 0x01) { + + uinfo("Load a driver for each IF collection."); generic_iterator_t icfg; if_iterator_t iif; - uint8_t last_if = 0xff; + const usbh_ia_descriptor_t *last_iad = 0; cfg_iter_init(&icfg, dev->fullConfigurationDescriptor, dev->basicConfigDesc.wTotalLength); @@ -1385,24 +1366,49 @@ static void _classdriver_process_device(usbh_device_t *dev) { } for (if_iter_init(&iif, &icfg); iif.valid; if_iter_next(&iif)) { - const usbh_interface_descriptor_t *const ifdesc = if_get(&iif); - if (ifdesc->bInterfaceNumber != last_if) { - last_if = ifdesc->bInterfaceNumber; - if (_classdriver_load(dev, ifdesc->bInterfaceClass, - ifdesc->bInterfaceSubClass, - ifdesc->bInterfaceProtocol, - (uint8_t *)ifdesc, iif.rem) != HAL_SUCCESS) { - uwarnf("No drivers found for IF #%d", ifdesc->bInterfaceNumber); + if (iif.iad && (iif.iad != last_iad)) { + last_iad = iif.iad; + if (_classdriver_load(dev, + (uint8_t *)iif.iad, + (uint8_t *)iif.curr - (uint8_t *)iif.iad + iif.rem) != HAL_SUCCESS) { + uwarnf("No drivers found for IF collection #%d:%d", + iif.iad->bFirstInterface, + iif.iad->bFirstInterface + iif.iad->bInterfaceCount - 1); } } } - } else { - if (_classdriver_load(dev, devdesc->bDeviceClass, - devdesc->bDeviceSubClass, - devdesc->bDeviceProtocol, - (uint8_t *)devdesc, USBH_DT_DEVICE_SIZE) != HAL_SUCCESS) { - uwarn("No drivers found."); + } else +#endif + if (_classdriver_load(dev, (uint8_t *)devdesc, USBH_DT_DEVICE_SIZE) != HAL_SUCCESS) { + uinfo("No drivers found for device."); + + if (devdesc->bDeviceClass == 0) { + /* each interface defines its own device class/subclass/protocol */ + uinfo("Try load a driver for each IF."); + + generic_iterator_t icfg; + if_iterator_t iif; + uint8_t last_if = 0xff; + + cfg_iter_init(&icfg, dev->fullConfigurationDescriptor, + dev->basicConfigDesc.wTotalLength); + if (!icfg.valid) { + uerr("Invalid configuration descriptor."); + goto exit; + } + + for (if_iter_init(&iif, &icfg); iif.valid; if_iter_next(&iif)) { + const usbh_interface_descriptor_t *const ifdesc = if_get(&iif); + if (ifdesc->bInterfaceNumber != last_if) { + last_if = ifdesc->bInterfaceNumber; + if (_classdriver_load(dev, (uint8_t *)ifdesc, iif.rem) != HAL_SUCCESS) { + uwarnf("No drivers found for IF #%d", ifdesc->bInterfaceNumber); + } + } + } + } else { + uwarn("Unable to load driver."); } } @@ -1419,6 +1425,7 @@ void usbhInit(void) { usbh_classdrivers_lookup[i]->vmt->init(); } } + usbh_lld_init(); } #endif |