diff options
Diffstat (limited to 'Marlin/src/HAL/DUE/usb/usb_task.c')
| -rw-r--r-- | Marlin/src/HAL/DUE/usb/usb_task.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/Marlin/src/HAL/DUE/usb/usb_task.c b/Marlin/src/HAL/DUE/usb/usb_task.c new file mode 100644 index 0000000..66bdb26 --- /dev/null +++ b/Marlin/src/HAL/DUE/usb/usb_task.c @@ -0,0 +1,341 @@ +/** + * \file + * + * \brief Main functions for USB composite example + * + * Copyright (c) 2011-2015 Atmel Corporation. All rights reserved. + * + * \asf_license_start + * + * \page License + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. The name of Atmel may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 4. This software may only be redistributed and used in connection with an + * Atmel microcontroller product. + * + * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * \asf_license_stop + * + */ + +// Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a> + +#ifdef ARDUINO_ARCH_SAM + +#include <Arduino.h> +#include <Reset.h> + +#include "conf_usb.h" +#include "udc.h" + +#if ENABLED(SDSUPPORT) + static volatile bool main_b_msc_enable = false; +#endif +static volatile bool main_b_cdc_enable = false; +static volatile bool main_b_dtr_active = false; + +void usb_task_idle(void) { + #if ENABLED(SDSUPPORT) + // Attend SD card access from the USB MSD -- Prioritize access to improve speed + int delay = 2; + while (main_b_msc_enable && --delay > 0) { + if (udi_msc_process_trans()) delay = 10000; + + // Reset the watchdog, just to be sure + REG_WDT_CR = WDT_CR_WDRSTT | WDT_CR_KEY(0xA5); + } + #endif +} + +#if ENABLED(SDSUPPORT) + bool usb_task_msc_enable(void) { return ((main_b_msc_enable = true)); } + void usb_task_msc_disable(void) { main_b_msc_enable = false; } + bool usb_task_msc_isenabled(void) { return main_b_msc_enable; } +#endif + +bool usb_task_cdc_enable(const uint8_t port) { UNUSED(port); return ((main_b_cdc_enable = true)); } +void usb_task_cdc_disable(const uint8_t port) { UNUSED(port); main_b_cdc_enable = false; main_b_dtr_active = false; } +bool usb_task_cdc_isenabled(void) { return main_b_cdc_enable; } + +/*! \brief Called by CDC interface + * Callback running when CDC device have received data + */ +void usb_task_cdc_rx_notify(const uint8_t port) { UNUSED(port); } + +/*! \brief Configures communication line + * + * \param cfg line configuration + */ +static uint16_t dwDTERate = 0; +void usb_task_cdc_config(const uint8_t port, usb_cdc_line_coding_t *cfg) { + UNUSED(port); + // Store last DTE rate + dwDTERate = cfg->dwDTERate; +} + +void usb_task_cdc_set_dtr(const uint8_t port, const bool b_enable) { + UNUSED(port); + // Keep DTR status + main_b_dtr_active = b_enable; + + // Implement Arduino-Compatible kludge to enter programming mode from + // the native port: + // "Auto-reset into the bootloader is triggered when the port, already + // open at 1200 bps, is closed." + + if (1200 == dwDTERate) { + // We check DTR state to determine if host port is open (bit 0 of lineState). + if (!b_enable) { + + // Set RST pin to go low for 65535 clock cycles on reset + // This helps restarting when firmware flash ends + RSTC->RSTC_MR = 0xA5000F01; + + // Schedule delayed reset + initiateReset(250); + } + else + cancelReset(); + } +} + +bool usb_task_cdc_dtr_active(void) { return main_b_dtr_active; } + +/// Microsoft WCID descriptor +typedef struct USB_MicrosoftCompatibleDescriptor_Interface { + uint8_t bFirstInterfaceNumber; + uint8_t reserved1; + uint8_t compatibleID[8]; + uint8_t subCompatibleID[8]; + uint8_t reserved2[6]; +} __attribute__((packed)) USB_MicrosoftCompatibleDescriptor_Interface; + +typedef struct USB_MicrosoftCompatibleDescriptor { + uint32_t dwLength; + uint16_t bcdVersion; + uint16_t wIndex; + uint8_t bCount; + uint8_t reserved[7]; + USB_MicrosoftCompatibleDescriptor_Interface interfaces[]; +} __attribute__((packed)) USB_MicrosoftCompatibleDescriptor; + +// 3D Printer compatible descriptor +static USB_MicrosoftCompatibleDescriptor microsoft_compatible_id_descriptor = { + .dwLength = sizeof(USB_MicrosoftCompatibleDescriptor) + + 1*sizeof(USB_MicrosoftCompatibleDescriptor_Interface), + .bcdVersion = 0x0100, + .wIndex = 0x0004, + .bCount = 1, + .reserved = {0, 0, 0, 0, 0, 0, 0}, + .interfaces = { + { + .bFirstInterfaceNumber = 0, + .reserved1 = 1, + .compatibleID = "3DPRINT", + .subCompatibleID = {0, 0, 0, 0, 0, 0, 0, 0}, + .reserved2 = {0, 0, 0, 0, 0, 0}, + } + } +}; + +#define xstr(s) str(s) +#define str(s) #s + +#define MS3DPRINT_CONFIG u"MS3DPrintConfig" +#define MS3DPRINT_CONFIG_DATA \ + u"Base=SD\0"\ + u"Job3DOutputAreaWidth=" xstr(X_BED_SIZE) "000\0"\ + u"Job3DOutputAreaDepth=" xstr(Y_BED_SIZE) "000\0"\ + u"Job3DOutputAreaHeight=" xstr(Z_MAX_POS) "000\0"\ + u"filamentdiameter=1750\0" + +typedef struct USB_MicrosoftExtendedPropertiesDescriptor { + uint32_t dwLength; + uint16_t bcdVersion; + uint16_t wIndex; + uint16_t bCount; + uint32_t dwPropertySize; + uint32_t dwPropertyDataType; + uint16_t wPropertyNameLength; + uint16_t PropertyName[sizeof(MS3DPRINT_CONFIG)/sizeof(uint16_t)]; + uint32_t dwPropertyDataLength; + uint16_t PropertyData[sizeof(MS3DPRINT_CONFIG_DATA)/sizeof(uint16_t)]; +} __attribute__((packed)) USB_MicrosoftExtendedPropertiesDescriptor; + +static USB_MicrosoftExtendedPropertiesDescriptor microsoft_extended_properties_descriptor = { + .dwLength = sizeof(USB_MicrosoftExtendedPropertiesDescriptor), + .bcdVersion = 0x0100, + .wIndex = 0x0005, + .bCount = 1, + + .dwPropertySize = 4 + 4 + 2 + 4 + sizeof(MS3DPRINT_CONFIG) + sizeof(MS3DPRINT_CONFIG_DATA), + .dwPropertyDataType = 7, // (1=REG_SZ, 4=REG_DWORD, 7=REG_MULTI_SZ) + .wPropertyNameLength = sizeof(MS3DPRINT_CONFIG), + .PropertyName = MS3DPRINT_CONFIG, + .dwPropertyDataLength = sizeof(MS3DPRINT_CONFIG_DATA), + .PropertyData = MS3DPRINT_CONFIG_DATA +}; + +/************************************************************************************************** +** WCID configuration information +** Hooked into UDC via UDC_GET_EXTRA_STRING #define. +*/ +bool usb_task_extra_string(void) { + static uint8_t udi_msft_magic[] = "MSFT100\xEE"; + static uint8_t udi_cdc_name[] = "CDC interface"; + #if ENABLED(SDSUPPORT) + static uint8_t udi_msc_name[] = "MSC interface"; + #endif + + struct extra_strings_desc_t { + usb_str_desc_t header; + #if ENABLED(SDSUPPORT) + le16_t string[Max(Max(sizeof(udi_cdc_name) - 1, sizeof(udi_msc_name) - 1), sizeof(udi_msft_magic) - 1)]; + #else + le16_t string[Max(sizeof(udi_cdc_name) - 1, sizeof(udi_msft_magic) - 1)]; + #endif + }; + static UDC_DESC_STORAGE struct extra_strings_desc_t extra_strings_desc = { + .header.bDescriptorType = USB_DT_STRING + }; + + uint8_t *str; + uint8_t str_lgt = 0; + + // Link payload pointer to the string corresponding at request + switch (udd_g_ctrlreq.req.wValue & 0xFF) { + case UDI_CDC_IAD_STRING_ID: + str_lgt = sizeof(udi_cdc_name) - 1; + str = udi_cdc_name; + break; + #if ENABLED(SDSUPPORT) + case UDI_MSC_STRING_ID: + str_lgt = sizeof(udi_msc_name) - 1; + str = udi_msc_name; + break; + #endif + case 0xEE: + str_lgt = sizeof(udi_msft_magic) - 1; + str = udi_msft_magic; + break; + default: + return false; + } + + for (uint8_t i = 0; i < str_lgt; i++) + extra_strings_desc.string[i] = cpu_to_le16((le16_t)str[i]); + + extra_strings_desc.header.bLength = 2 + str_lgt * 2; + udd_g_ctrlreq.payload_size = extra_strings_desc.header.bLength; + udd_g_ctrlreq.payload = (uint8_t*)&extra_strings_desc; + + // if the string is larger than request length, then cut it + if (udd_g_ctrlreq.payload_size > udd_g_ctrlreq.req.wLength) { + udd_g_ctrlreq.payload_size = udd_g_ctrlreq.req.wLength; + } + + return true; +} + +/************************************************************************************************** +** Handle device requests that the ASF stack doesn't +*/ +bool usb_task_other_requests(void) { + uint8_t* ptr = 0; + uint16_t size = 0; + + if (Udd_setup_type() == USB_REQ_TYPE_VENDOR) { + //if (udd_g_ctrlreq.req.bRequest == 0x30) + if (1) { + if (udd_g_ctrlreq.req.wIndex == 0x04) { + ptr = (uint8_t*)µsoft_compatible_id_descriptor; + size = (udd_g_ctrlreq.req.wLength); + if (size > microsoft_compatible_id_descriptor.dwLength) + size = microsoft_compatible_id_descriptor.dwLength; + } + else if (udd_g_ctrlreq.req.wIndex == 0x05) { + ptr = (uint8_t*)µsoft_extended_properties_descriptor; + size = (udd_g_ctrlreq.req.wLength); + if (size > microsoft_extended_properties_descriptor.dwLength) + size = microsoft_extended_properties_descriptor.dwLength; + } + else + return false; + } + } + + udd_g_ctrlreq.payload_size = size; + if (size == 0) { + udd_g_ctrlreq.callback = 0; + udd_g_ctrlreq.over_under_run = 0; + } + else + udd_g_ctrlreq.payload = ptr; + + return true; +} + +void usb_task_init(void) { + + uint16_t *ptr; + + // Disable USB peripheral so we start clean and avoid lockups + otg_disable(); + udd_disable(); + + // Set the USB interrupt to our stack + UDD_SetStack(&USBD_ISR); + + // Start USB stack to authorize VBus monitoring + udc_start(); + + // Patch in filament diameter - Be careful: String is in UNICODE (2bytes per char) + ptr = µsoft_extended_properties_descriptor.PropertyData[0]; + while (ptr[0] || ptr[1]) { // Double 0 flags end of resource + + // Found the filamentdiameter= unicode string + if (ptr[0] == 'r' && ptr[1] == '=') { + char diam[16]; + char *sptr; + + // Patch in the filament diameter + sprintf_P(diam, PSTR("%d"), (int)((DEFAULT_NOMINAL_FILAMENT_DIA) * 1000.0)); + + // And copy it to the proper place, expanding it to unicode + sptr = &diam[0]; + ptr += 2; + while (*sptr) *ptr++ = *sptr++; + + // Done! + break; + } + + // Go to the next character + ptr++; + } +} + +#endif // ARDUINO_ARCH_SAM |