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98 lines
3.0 KiB
98 lines
3.0 KiB
/**
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* Marlin 3D Printer Firmware
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*
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* Copyright (c) 2019 BigTreeTech [https://github.com/bigtreetech]
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#ifdef __STM32F1__
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#include "../../inc/MarlinConfigPre.h"
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#if HAS_SD_HOST_DRIVE
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#include "msc_sd.h"
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#include "SPI.h"
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#include "usb_reg_map.h"
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#define PRODUCT_ID 0x29
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USBMassStorage MarlinMSC;
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Serial1Class<USBCompositeSerial> MarlinCompositeSerial(true);
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#include "../../inc/MarlinConfig.h"
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#if SD_CONNECTION_IS(ONBOARD)
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#include "onboard_sd.h"
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static bool MSC_Write(const uint8_t *writebuff, uint32_t startSector, uint16_t numSectors) {
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return (disk_write(0, writebuff, startSector, numSectors) == RES_OK);
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}
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static bool MSC_Read(uint8_t *readbuff, uint32_t startSector, uint16_t numSectors) {
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return (disk_read(0, readbuff, startSector, numSectors) == RES_OK);
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}
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#endif
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#if ENABLED(EMERGENCY_PARSER)
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// The original callback is not called (no way to retrieve address).
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// That callback detects a special STM32 reset sequence: this functionality is not essential
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// as M997 achieves the same.
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void my_rx_callback(unsigned int, void*) {
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// max length of 16 is enough to contain all emergency commands
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uint8 buf[16];
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//rx is usbSerialPart.endpoints[2]
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uint16 len = usb_get_ep_rx_count(usbSerialPart.endpoints[2].address);
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uint32 total = composite_cdcacm_data_available();
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if (len == 0 || total == 0 || !WITHIN(total, len, COUNT(buf)))
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return;
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// cannot get character by character due to bug in composite_cdcacm_peek_ex
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len = composite_cdcacm_peek(buf, total);
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for (uint32 i = 0; i < len; i++)
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emergency_parser.update(MarlinCompositeSerial.emergency_state, buf[i+total-len]);
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}
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#endif
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void MSC_SD_init() {
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USBComposite.setProductId(PRODUCT_ID);
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// Just set MarlinCompositeSerial enabled to true
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// because when MarlinCompositeSerial.begin() is used in setup()
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// it clears all USBComposite devices.
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MarlinCompositeSerial.begin();
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USBComposite.end();
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USBComposite.clear();
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// Set api and register mass storage
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#if SD_CONNECTION_IS(ONBOARD)
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uint32_t cardSize;
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if (disk_initialize(0) == RES_OK) {
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if (disk_ioctl(0, GET_SECTOR_COUNT, (void *)(&cardSize)) == RES_OK) {
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MarlinMSC.setDriveData(0, cardSize, MSC_Read, MSC_Write);
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MarlinMSC.registerComponent();
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}
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}
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#endif
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// Register composite Serial
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MarlinCompositeSerial.registerComponent();
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USBComposite.begin();
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#if ENABLED(EMERGENCY_PARSER)
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composite_cdcacm_set_hooks(USBHID_CDCACM_HOOK_RX, my_rx_callback);
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#endif
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}
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#endif // HAS_SD_HOST_DRIVE
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#endif // __STM32F1__
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