diff options
Diffstat (limited to 'tmk_core/protocol/arm_atsam/usb/udc.c')
| -rw-r--r-- | tmk_core/protocol/arm_atsam/usb/udc.c | 69 |
1 files changed, 40 insertions, 29 deletions
diff --git a/tmk_core/protocol/arm_atsam/usb/udc.c b/tmk_core/protocol/arm_atsam/usb/udc.c index d04e9b7b28..2a371c200a 100644 --- a/tmk_core/protocol/arm_atsam/usb/udc.c +++ b/tmk_core/protocol/arm_atsam/usb/udc.c @@ -51,7 +51,8 @@ #include "udi_device_conf.h" #include "udi.h" #include "udc.h" -#include "md_bootloader.h" + +#define BOOTLOADER_SERIAL_MAX_SIZE 20 // DO NOT MODIFY! /** * \ingroup udc_group @@ -122,6 +123,8 @@ static uint8_t udc_string_product_name[] = USB_DEVICE_PRODUCT_NAME; # define USB_DEVICE_SERIAL_NAME_SIZE 0 #endif +extern uint32_t _srom; + uint8_t usb_device_serial_name_size = 0; #if defined USB_DEVICE_SERIAL_USE_BOOTLOADER_SERIAL uint8_t bootloader_serial_number[BOOTLOADER_SERIAL_MAX_SIZE + 1] = ""; @@ -129,13 +132,13 @@ uint8_t bootloader_serial_number[BOOTLOADER_SERIAL_MAX_SIZE + 1] = ""; static const uint8_t *udc_get_string_serial_name(void) { #if defined USB_DEVICE_SERIAL_USE_BOOTLOADER_SERIAL uint32_t serial_ptrloc = (uint32_t)&_srom - 4; - uint32_t serial_address = *(uint32_t *)serial_ptrloc; // Address of bootloader's serial number if available + uint32_t serial_address = *(uint32_t *)serial_ptrloc; // Address of bootloader's serial number if available - if (serial_address != 0xFFFFFFFF && serial_address < serial_ptrloc) // Check for factory programmed serial address + if (serial_address != 0xFFFFFFFF && serial_address < serial_ptrloc) // Check for factory programmed serial address { - if ((serial_address & 0xFF) % 4 == 0) // Check alignment + if ((serial_address & 0xFF) % 4 == 0) // Check alignment { - uint16_t *serial_use = (uint16_t *)(serial_address); // Point to address of string in rom + uint16_t *serial_use = (uint16_t *)(serial_address); // Point to address of string in rom uint8_t serial_length = 0; while ((*(serial_use + serial_length) > 32 && *(serial_use + serial_length) < 127) && serial_length < BOOTLOADER_SERIAL_MAX_SIZE) { @@ -146,7 +149,7 @@ static const uint8_t *udc_get_string_serial_name(void) { usb_device_serial_name_size = serial_length; - return bootloader_serial_number; // Use serial programmed into bootloader rom + return bootloader_serial_number; // Use serial programmed into bootloader rom } } #endif @@ -154,9 +157,9 @@ static const uint8_t *udc_get_string_serial_name(void) { usb_device_serial_name_size = USB_DEVICE_SERIAL_NAME_SIZE; #if defined USB_DEVICE_SERIAL_NAME - return (const uint8_t *)USB_DEVICE_SERIAL_NAME; // Use serial supplied by keyboard's config.h + return (const uint8_t *)USB_DEVICE_SERIAL_NAME; // Use serial supplied by keyboard's config.h #else - return 0; // No serial supplied + return 0; // No serial supplied #endif } @@ -166,7 +169,7 @@ static const uint8_t *udc_get_string_serial_name(void) { */ #ifndef BOOTLOADER_SERIAL_MAX_SIZE # define BOOTLOADER_SERIAL_MAX_SIZE 0 -#endif // BOOTLOADER_SERIAL_MAX_SIZE +#endif // BOOTLOADER_SERIAL_MAX_SIZE struct udc_string_desc_t { usb_str_desc_t header; le16_t string[Max(Max(Max(USB_DEVICE_MANUFACTURE_NAME_SIZE, USB_DEVICE_PRODUCT_NAME_SIZE), USB_DEVICE_SERIAL_NAME_SIZE), BOOTLOADER_SERIAL_MAX_SIZE)]; @@ -175,14 +178,18 @@ COMPILER_WORD_ALIGNED static UDC_DESC_STORAGE struct udc_string_desc_t udc_string_desc = {.header.bDescriptorType = USB_DT_STRING}; //! @} -usb_iface_desc_t UDC_DESC_STORAGE *udc_get_interface_desc(void) { return udc_ptr_iface; } +usb_iface_desc_t UDC_DESC_STORAGE *udc_get_interface_desc(void) { + return udc_ptr_iface; +} /** * \brief Returns a value to check the end of USB Configuration descriptor * * \return address after the last byte of USB Configuration descriptor */ -static usb_conf_desc_t UDC_DESC_STORAGE *udc_get_eof_conf(void) { return (UDC_DESC_STORAGE usb_conf_desc_t *)((uint8_t *)udc_ptr_conf->desc + le16_to_cpu(udc_ptr_conf->desc->wTotalLength)); } +static usb_conf_desc_t UDC_DESC_STORAGE *udc_get_eof_conf(void) { + return (UDC_DESC_STORAGE usb_conf_desc_t *)((uint8_t *)udc_ptr_conf->desc + le16_to_cpu(udc_ptr_conf->desc->wTotalLength)); +} #if (0 != USB_DEVICE_MAX_EP) /** @@ -206,15 +213,15 @@ static usb_conf_desc_t UDC_DESC_STORAGE *udc_next_desc_in_iface(usb_conf_desc_t // If new interface descriptor is found, // then it is the end of the current global interface descriptor if (USB_DT_INTERFACE == desc->bDescriptorType) { - break; // End of global interface descriptor + break; // End of global interface descriptor } if (desc_id == desc->bDescriptorType) { - return desc; // Specific descriptor found + return desc; // Specific descriptor found } // Go to next descriptor desc = (UDC_DESC_STORAGE usb_conf_desc_t *)((uint8_t *)desc + desc->bLength); } - return NULL; // No specific descriptor found + return NULL; // No specific descriptor found } #endif @@ -248,13 +255,13 @@ static bool udc_update_iface_desc(uint8_t iface_num, uint8_t setting_num) { // A interface descriptor is found // Check interface and alternate setting number if ((iface_num == udc_ptr_iface->bInterfaceNumber) && (setting_num == udc_ptr_iface->bAlternateSetting)) { - return true; // Interface found + return true; // Interface found } } // Go to next descriptor udc_ptr_iface = (UDC_DESC_STORAGE usb_iface_desc_t *)((uint8_t *)udc_ptr_iface + udc_ptr_iface->bLength); } - return false; // Interface not found + return false; // Interface not found } /** @@ -340,7 +347,9 @@ static bool udc_iface_enable(uint8_t iface_num, uint8_t setting_num) { /*! \brief Start the USB Device stack */ -void udc_start(void) { udd_enable(); } +void udc_start(void) { + udd_enable(); +} /*! \brief Stop the USB Device stack */ @@ -507,7 +516,7 @@ static bool udc_req_std_dev_set_feature(void) { udd_g_ctrlreq.callback = udd_test_mode_packet; return true; - case USB_DEV_TEST_MODE_FORCE_ENABLE: // Only for downstream facing hub ports + case USB_DEV_TEST_MODE_FORCE_ENABLE: // Only for downstream facing hub ports default: break; } @@ -541,7 +550,9 @@ static bool udc_req_std_ep_set_feature(void) { * \brief Change the address of device * Callback called at the end of request set address */ -static void udc_valid_address(void) { udd_set_address(udd_g_ctrlreq.req.wValue & 0x7F); } +static void udc_valid_address(void) { + udd_set_address(udd_g_ctrlreq.req.wValue & 0x7F); +} /** * \brief Standard device request to set device address @@ -760,7 +771,7 @@ static bool udc_req_std_dev_set_configuration(void) { // Enable new configuration udc_num_configuration = udd_g_ctrlreq.req.wValue & 0xFF; if (udc_num_configuration == 0) { - return true; // Default empty configuration requested + return true; // Default empty configuration requested } // Update pointer of the configuration descriptor #ifdef USB_DEVICE_HS_SUPPORT @@ -793,10 +804,10 @@ static bool udc_req_std_iface_get_setting(void) { udi_api_t UDC_DESC_STORAGE *udi_api; if (udd_g_ctrlreq.req.wLength != 1) { - return false; // Error in request + return false; // Error in request } if (!udc_num_configuration) { - return false; // The device is not is configured state yet + return false; // The device is not is configured state yet } // Check the interface number included in the request @@ -829,10 +840,10 @@ static bool udc_req_std_iface_set_setting(void) { uint8_t iface_num, setting_num; if (udd_g_ctrlreq.req.wLength) { - return false; // Error in request + return false; // Error in request } if (!udc_num_configuration) { - return false; // The device is not is configured state yet + return false; // The device is not is configured state yet } iface_num = udd_g_ctrlreq.req.wIndex & 0xFF; @@ -856,7 +867,7 @@ static bool udc_reqstd(void) { if (Udd_setup_is_in()) { // GET Standard Requests if (udd_g_ctrlreq.req.wLength == 0) { - return false; // Error for USB host + return false; // Error for USB host } if (USB_REQ_RECIP_DEVICE == Udd_setup_recipient()) { @@ -950,7 +961,7 @@ static bool udc_req_iface(void) { udi_api_t UDC_DESC_STORAGE *udi_api; if (0 == udc_num_configuration) { - return false; // The device is not is configured state yet + return false; // The device is not is configured state yet } // Check interface number iface_num = udd_g_ctrlreq.req.wIndex & 0xFF; @@ -984,7 +995,7 @@ static bool udc_req_ep(void) { udi_api_t UDC_DESC_STORAGE *udi_api; if (0 == udc_num_configuration) { - return false; // The device is not is configured state yet + return false; // The device is not is configured state yet } // Send this request on all enabled interfaces iface_num = udd_g_ctrlreq.req.wIndex & 0xFF; @@ -1024,7 +1035,7 @@ bool udc_process_setup(void) { if (Udd_setup_is_in()) { if (udd_g_ctrlreq.req.wLength == 0) { - return false; // Error from USB host + return false; // Error from USB host } } @@ -1052,7 +1063,7 @@ bool udc_process_setup(void) { // Here SETUP request unknown by UDC and UDIs #ifdef USB_DEVICE_SPECIFIC_REQUEST // Try to decode it in specific callback - return USB_DEVICE_SPECIFIC_REQUEST(); // Ex: Vendor request,... + return USB_DEVICE_SPECIFIC_REQUEST(); // Ex: Vendor request,... #else return false; #endif |