1115 lines
42 KiB
Python
1115 lines
42 KiB
Python
#!/usr/bin/env python2
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# Module supporting uploads Klipper firmware to an SD Card via SPI
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#
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# Copyright (C) 2021 Eric Callahan <arksine.code@gmail.com>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import sys
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import argparse
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import os
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import zlib
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import hashlib
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import logging
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import collections
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import time
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import traceback
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import board_defs
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import fatfs_lib
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import reactor
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import serialhdl
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import clocksync
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import mcu
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###########################################################
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#
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# Helper methods
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#
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###########################################################
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def output_line(msg):
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sys.stdout.write("%s\n" % (msg,))
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sys.stdout.flush()
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def output(msg):
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sys.stdout.write("%s" % (msg,))
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sys.stdout.flush()
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def calc_crc7(data):
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# G(x) = x^7 + x^3 + 1
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# Shift left as we are only calculating a 7 bit CRC
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poly = 0b10001001 << 1
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crc = 0
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for b in data:
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crc ^= b & 0xFF
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for i in range(8):
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crc = (crc << 1) ^ poly if crc & 0x80 else crc << 1
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# The sdcard protocol likes the crc left justfied with a
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# padded bit
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return crc | 1
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def calc_crc16(data):
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poly = 0b10001000000100001
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crc = 0
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for b in data:
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crc ^= (b & 0xFF) << 8
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for i in range(8):
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crc = (crc << 1) ^ poly if crc & 0x8000 else crc << 1
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return crc & 0xFFFF
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# Translate a serial device name to a stable serial name in
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# /dev/serial/by-path/
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# Borrowed from klipper/scripts/flash_usb.py
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def translate_serial_to_tty(device):
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ttyname = os.path.realpath(device)
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if os.path.exists('/dev/serial/by-path/'):
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for fname in os.listdir('/dev/serial/by-path/'):
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fname = '/dev/serial/by-path/' + fname
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if os.path.realpath(fname) == ttyname:
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return ttyname, fname
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return ttyname, ttyname
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def check_need_convert(board_name, config):
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if board_name.lower().startswith('mks-robin-e3'):
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# we need to convert this file
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robin_util = os.path.join(
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fatfs_lib.KLIPPER_DIR, "scripts/update_mks_robin.py")
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klipper_bin = config['klipper_bin_path']
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robin_bin = os.path.join(
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os.path.dirname(klipper_bin),
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os.path.basename(config['firmware_path']))
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cmd = "%s %s %s %s" % (sys.executable, robin_util, klipper_bin,
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robin_bin)
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output("Converting Klipper binary to MKS Robin format...")
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os.system(cmd)
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output_line("Done")
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config['klipper_bin_path'] = robin_bin
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###########################################################
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#
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# SPI FLash Implementation
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#
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###########################################################
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SPI_OID = 0
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SPI_MODE = 0
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SD_SPI_SPEED = 4000000
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# MCU Command Constants
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RESET_CMD = "reset"
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GET_CFG_CMD = "get_config"
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GET_CFG_RESPONSE = "config is_config=%c crc=%u move_count=%hu is_shutdown=%c"
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ALLOC_OIDS_CMD = "allocate_oids count=%d"
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SPI_CFG_CMD = "config_spi oid=%d pin=%s"
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SPI_BUS_CMD = "spi_set_bus oid=%d spi_bus=%s mode=%d rate=%d"
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SW_SPI_BUS_CMD = "spi_set_software_bus oid=%d " \
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"miso_pin=%s mosi_pin=%s sclk_pin=%s mode=%d rate=%d"
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SPI_SEND_CMD = "spi_send oid=%c data=%*s"
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SPI_XFER_CMD = "spi_transfer oid=%c data=%*s"
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SPI_XFER_RESPONSE = "spi_transfer_response oid=%c response=%*s"
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FINALIZE_CFG_CMD = "finalize_config crc=%d"
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class SPIFlashError(Exception):
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pass
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class SPIDirect:
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def __init__(self, ser):
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self.oid = SPI_OID
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self._spi_send_cmd = mcu.CommandWrapper(ser, SPI_SEND_CMD)
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self._spi_transfer_cmd = mcu.CommandQueryWrapper(
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ser, SPI_XFER_CMD, SPI_XFER_RESPONSE, self.oid)
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def spi_send(self, data):
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self._spi_send_cmd.send([self.oid, data])
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def spi_transfer(self, data):
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return self._spi_transfer_cmd.send([self.oid, data])
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# FatFs Constants. Enums are implemented as lists. The item's index is its value
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DRESULT = ['RES_OK', 'RES_ERROR', 'RES_WRPRT', 'RES_NOTRDY', 'RES_PARERR']
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FRESULT = [
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'FR_OK', 'FR_DISK_ERR', 'FR_INT_ERR', 'FR_NOT_READY', 'FR_NO_FILE',
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'FR_NO_PATH', 'FR_INVALID_NAME', 'FR_DENIED', 'FR_EXIST',
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'FR_INVALID_OBJECT', 'FR_WRITE_PROTECTED', 'FR_INVALID_DRIVE',
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'FR_NOT_ENABLED', 'FR_NO_FILESYSTEM', 'FR_MKFS_ABORTED', 'FR_TIMEOUT',
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'FR_LOCKED', 'FR_NOT_ENOUGH_CORE', 'FR_TOO_MANY_OPEN_FILES',
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'FR_INVALID_PARAMETER'
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]
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FS_TYPES = {1: "FAT12", 2: "FAT16", 3: "FAT32", 4: "EXFAT"}
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STA_NO_INIT = 1 << 0
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STA_NO_DISK = 1 << 1
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STA_WRITE_PROTECT = 1 << 2
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SECTOR_SIZE = 512
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# FAT16/32 File System Support
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class FatFS:
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def __init__(self, ser):
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self.sdcard = SDCardSPI(ser)
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self.disk_status = STA_NO_INIT | STA_NO_DISK
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self.ffi_callbacks = []
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self.ffi_main, self.ffi_lib = fatfs_lib.get_fatfs_ffi()
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self._register_callbacks()
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def _register_callbacks(self):
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status_cb = self.ffi_main.callback(
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"uint8_t(void)", self._fatfs_cb_status)
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init_cb = self.ffi_main.callback(
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"uint8_t(void)", self._fatfs_cb_initialize)
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read_cb = self.ffi_main.callback(
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"uint8_t(uint8_t*, uint32_t, unsigned int)",
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self._fatfs_cb_disk_read)
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write_cb = self.ffi_main.callback(
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"uint8_t(const uint8_t*, uint32_t, unsigned int)",
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self._fatfs_cb_disk_write)
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ioctl_cb = self.ffi_main.callback(
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"uint8_t(uint8_t, void*)", self._fatfs_cb_disk_ioctl)
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ftime_cb = self.ffi_main.callback(
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"uint32_t(void)", self._fatfs_cb_get_fattime)
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# Keep a reference to the callbacks so they don't get gc'ed
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self.ffi_callbacks = [status_cb, init_cb, read_cb, write_cb,
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ioctl_cb, ftime_cb]
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self.ffi_lib.fatfs_set_callbacks(
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status_cb, init_cb, read_cb, write_cb, ioctl_cb, ftime_cb)
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def clear_callbacks(self):
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self.ffi_lib.fatfs_clear_callbacks()
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self.ffi_callbacks = []
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def _fatfs_cb_status(self):
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return self.disk_status
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def _fatfs_cb_initialize(self):
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try:
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self.sdcard.init_sd()
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except Exception:
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logging.exception("flash_sdcard: error initializing sdcard")
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self.disk_status = STA_NO_INIT
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else:
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self.disk_status = 0
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if self.sdcard.write_protected:
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self.disk_status |= STA_WRITE_PROTECT
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return self.disk_status
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def _fatfs_cb_disk_read(self, readbuf, sector, count):
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start = 0
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end = SECTOR_SIZE
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for sec in range(sector, sector + count, 1):
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tries = 3
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buf = None
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while True:
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try:
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buf = self.sdcard.read_sector(sec)
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except Exception:
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tries -= 1
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if not tries:
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logging.exception("SD Card Read Error")
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break
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else:
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break
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if buf is None:
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return DRESULT.index("RES_ERROR")
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readbuf[start:end] = list(buf)
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start = end
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end += SECTOR_SIZE
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return 0
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def _fatfs_cb_disk_write(self, writebuf, sector, count):
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start = 0
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end = SECTOR_SIZE
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for sec in range(sector, sector + count, 1):
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tries = 3
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while True:
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try:
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self.sdcard.write_sector(sec, writebuf[start:end])
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except Exception:
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tries -= 1
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if not tries:
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logging.exception("SD Card Write Error")
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return DRESULT.index("RES_ERROR")
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else:
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break
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start = end
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end += SECTOR_SIZE
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return 0
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def _fatfs_cb_disk_ioctl(self, cmd, buff):
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# The Current FatFS configuration does not require
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# this module to take any actions for incoming IOCTL
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# commands.
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ioctl_cmds = [
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'CTRL_SYNC', 'GET_SECTOR_COUNT', 'GET_SECTOR_SIZE',
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'GET_BLOCK_SIZE', 'CTRL_TRIM']
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logging.debug("flash_sdcard: Received IOCTL command %s"
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% (ioctl_cmds[cmd]))
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return 0
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def _fatfs_cb_get_fattime(self):
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tobj = time.localtime()
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year = tobj[0] - 1980
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sec = min(tobj[5], 59) // 2
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return (year << 25) | (tobj[1] << 21) | (tobj[2] << 16) \
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| (tobj[3] << 11) | (tobj[4] << 5) | sec
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def mount(self, print_func=logging.info):
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ret = self.ffi_lib.fatfs_mount()
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if ret == 0:
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self.sdcard.print_card_info(print_func)
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dinfo = self.get_disk_info()
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for key, val in sorted(dinfo.items(), key=lambda x: x[0]):
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print_func("%s: %s" % (key, val))
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else:
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raise OSError("flash_sdcard: failed to mount SD Card, returned %s"
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% (FRESULT[ret]))
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def unmount(self):
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self.ffi_lib.fatfs_unmount()
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self.sdcard.deinit()
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self.disk_status = STA_NO_INIT | STA_NO_DISK
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def open_file(self, sd_path, mode="r"):
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sdf = SDCardFile(self.ffi_main, self.ffi_lib, sd_path, mode)
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sdf.open()
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return sdf
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def remove_item(self, sd_path):
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# Can be path to directory or file
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ret = self.ffi_lib.fatfs_remove(sd_path)
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if ret != 0:
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raise OSError("flash_sdcard: Error deleting item at path '%s',"
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" result: %s"
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% (sd_path, FRESULT[ret]))
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def get_file_info(self, sd_file_path):
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finfo = self.ffi_main.new("struct ff_file_info *")
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ret = self.ffi_lib.fatfs_get_fstats(finfo, sd_file_path)
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if ret != 0:
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raise OSError(
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"flash_sdcard: Failed to retreive file info for path '%s',"
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" result: %s"
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% (sd_file_path, FRESULT[ret],))
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return self._parse_ff_info(finfo)
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def list_sd_directory(self, sd_dir_path):
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flist = self.ffi_main.new("struct ff_file_info[128]")
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ret = self.ffi_lib.fatfs_list_dir(flist, 128, sd_dir_path)
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if ret != 0:
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raise OSError("flash_sdcard: Failed to retreive file list at path"
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" '%s', result: %s"
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% (sd_dir_path, FRESULT[ret],))
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convlist = []
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for f in flist:
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if f.size == 0 and f.modified_date == 0 and f.modified_time == 0:
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# Empty record indicates end of list
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break
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convlist.append(self._parse_ff_info(f))
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return convlist
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def _parse_ff_info(self, finfo):
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fdate = finfo.modified_date
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ftime = finfo.modified_time
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dstr = "%d-%d-%d %d:%d:%d" % (
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(fdate >> 5) & 0xF, fdate & 0x1F, ((fdate >> 9) & 0x7F) + 1980,
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(ftime >> 11) & 0x1F, (ftime >> 5) & 0x3F, ftime & 0x1F)
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return {
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'name': self.ffi_main.string(finfo.name, 13),
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'size': finfo.size,
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'modified': dstr,
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'is_dir': bool(finfo.attrs & 0x10),
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'is_read_only': bool(finfo.attrs & 0x01),
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'is_hidden': bool(finfo.attrs & 0x02),
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'is_system': bool(finfo.attrs & 0x04)
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}
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def get_disk_info(self):
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disk_info = self.ffi_main.new("struct ff_disk_info *")
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ret = self.ffi_lib.fatfs_get_disk_info(disk_info)
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if ret != 0:
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logging.info("flash_sdcard: Failed to retreive disk info: %s"
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% (FRESULT[ret],))
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return {}
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return {
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'volume_label': self.ffi_main.string(disk_info.label, 12),
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'volume_serial': disk_info.serial_number,
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'fs_type': FS_TYPES.get(disk_info.fs_type, "UNKNOWN")
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}
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SD_FILE_MODES = {
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'w+x': 0x01 | 0x02 | 0x04, 'wx': 0x02 | 0x04,
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'r+': 0x01 | 0x02, 'w+': 0x01 | 0x02 | 0x08,
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'a+': 0x01 | 0x02 | 0x30, 'r': 0x01,
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'w': 0x02 | 0x08, 'a': 0x02 | 0x30}
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class SDCardFile:
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def __init__(self, ffi_main, ffi_lib, sd_path, mode="r"):
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self.ffi_main = ffi_main
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self.ffi_lib = ffi_lib
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self.path = sd_path
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mode = mode.lower()
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if mode[-1] == 'b':
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mode = mode[:-1]
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self.mode = SD_FILE_MODES.get(mode, 0)
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self.fhdl = None
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self.eof = False
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def open(self):
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if self.fhdl is not None:
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# already open
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return
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self.fhdl = self.ffi_lib.fatfs_open(self.path, self.mode)
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self.eof = False
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if self.fhdl == self.ffi_main.NULL:
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self.fhdl = None
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raise OSError("flash_sdcard: Could not open file '%s':"
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% (self.path))
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def read(self, length=None):
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if self.fhdl is None:
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raise OSError("flash_sdcard: File '%s' not open" % (self.path))
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if self.eof:
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return b""
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ret_buf = b""
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full_read = False
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if length is None:
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# read until eof
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full_read = True
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length = 4096
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cdata_buf = self.ffi_main.new("uint8_t[]", length)
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byte_buf = self.ffi_main.buffer(cdata_buf)
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while True:
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bytes_read = self.ffi_lib.fatfs_read(self.fhdl, cdata_buf, length)
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if bytes_read < 0:
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raise OSError("flash_sdcard: Error Reading file '%s'"
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% (self.path))
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self.eof = (bytes_read < length)
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ret_buf += byte_buf[0:bytes_read]
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if self.eof or not full_read:
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break
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return ret_buf
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def write(self, buf):
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if self.fhdl is None:
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raise OSError("flash_sdcard: File '%s' not open" % (self.path))
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if not buf:
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return 0
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cbuf = self.ffi_main.from_buffer(buf)
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bytes_written = self.ffi_lib.fatfs_write(self.fhdl, cbuf, len(cbuf))
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if bytes_written < 0:
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# Disk Full or some other error
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raise OSError("flash_sdcard: Error writing file '%s'" % (self.path))
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return bytes_written
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def close(self):
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if self.fhdl is not None:
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ret = self.ffi_lib.fatfs_close(self.fhdl)
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self.fhdl = None
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if ret != 0:
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logging.info("flash_sdcard: Error closing sd file '%s', "
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"returned %d"
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% (self.path, FRESULT[ret]))
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def __enter__(self):
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self.open()
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return self
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def __exit__(self, exc_type=None, exc_val=None, exc_tb=None):
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self.close()
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SD_COMMANDS = {
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'GO_IDLE_STATE': 0,
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'SEND_IF_COND': 8,
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'SEND_CSD': 9,
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'SEND_CID': 10,
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'SD_SEND_OP_COND': 41,
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'SEND_STATUS': 13,
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'SET_BLOCKLEN': 16,
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'READ_SINGLE_BLOCK': 17,
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'WRITE_BLOCK': 24,
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'APP_CMD': 55,
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'READ_OCR': 58,
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'CRC_ON_OFF': 59,
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}
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class SDCardSPI:
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def __init__(self, ser):
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self.spi = SPIDirect(ser)
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self.reactor = ser.get_reactor()
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self.enable_crc = True
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self.mutex = self.reactor.mutex()
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self.initialized = False
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self.sd_version = 0
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self.high_capacity = False
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self.write_protected = False
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self.total_sectors = 0
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self.card_info = collections.OrderedDict()
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def init_sd(self):
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with self.mutex:
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if self.initialized:
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return
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# Send reset command (CMD0)
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if not self._check_command(1, 'GO_IDLE_STATE', 0):
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raise OSError(
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"flash_sdcard: failed to reset SD Card\n"
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"Note that older (Version 1.0) SD cards can not be\n"
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"hot swapped. Execute FIRMWARE_RESTART with the card\n"
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"inserted for successful initialization.")
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# Check Voltage Range (CMD8). Only Cards meeting the v2.0 spec
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|
# support this. V1.0 cards (and MMC) will return illegal command.
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check_pattern = 0b1010
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resp = self._send_command_with_response(
|
|
'SEND_IF_COND', (1 << 8) | check_pattern)
|
|
resp = resp.strip(b'\xFF')
|
|
if resp and resp[0] & (1 << 2):
|
|
# CMD8 is illegal, this is a version 1.0 card
|
|
self.sd_version = 1
|
|
elif len(resp) == 5:
|
|
if resp[0] == 1:
|
|
self.sd_version = 2
|
|
if not (resp[-2] == 1 and resp[-1] == check_pattern):
|
|
raise OSError("flash_sdcard: SD Card not running in a "
|
|
"compatible voltage range")
|
|
else:
|
|
raise OSError("flash_sdcard: CMD8 Error 0x%X" % (resp[0],))
|
|
else:
|
|
raise OSError("flash_sdcard: Invalid CMD8 response: %s"
|
|
% (repr(resp)))
|
|
if self.enable_crc:
|
|
# Enable SD crc checks (CMD59)
|
|
if not self._check_command(1, 'CRC_ON_OFF', 1):
|
|
logging.info("flash_sdcard: failed to enable CRC checks")
|
|
if self.sd_version == 2:
|
|
# Init card and come out of idle (ACMD41)
|
|
# Version 2 Cards may init before checking the OCR
|
|
if not self._check_command(0, 'SD_SEND_OP_COND', 1 << 30,
|
|
is_app_cmd=True):
|
|
raise OSError("flash_sdcard: SD Card did not come"
|
|
" out of IDLE after reset")
|
|
# Read OCR Register (CMD58)
|
|
resp = self._send_command_with_response('READ_OCR', 0)
|
|
resp = resp.strip(b'\xFF')
|
|
# If 'READ_OCR' is illegal then this is likely MMC.
|
|
# At this time MMC is not supported
|
|
if len(resp) == 5:
|
|
if self.sd_version == 1 and resp[0] == 1:
|
|
# Check acceptable volatage range for V1 cards
|
|
if resp[2] != 0xFF:
|
|
raise OSError("flash_sdcard: card does not support"
|
|
" 3.3v range")
|
|
elif self.sd_version == 2 and resp[0] == 0:
|
|
# Determine if this is a high capacity sdcard
|
|
if resp[1] & 0x40:
|
|
self.high_capacity = True
|
|
else:
|
|
raise OSError("flash_sdcard: READ_OCR Error 0x%X"
|
|
% (resp[0],))
|
|
else:
|
|
raise OSError("flash_sdcard: Invalid OCR Response")
|
|
if self.sd_version == 1:
|
|
# Init card and come out of idle (ACMD41)
|
|
# Version 1 Cards do this after checking the OCR
|
|
if not self._check_command(0, 'SD_SEND_OP_COND', 0,
|
|
is_app_cmd=True):
|
|
raise OSError("flash_sdcard: SD Card did not come"
|
|
" out of IDLE after reset")
|
|
|
|
# Set block size to 512 (CMD16)
|
|
if self._check_command(0, 'SET_BLOCKLEN', SECTOR_SIZE, tries=5):
|
|
self.initialized = True
|
|
else:
|
|
raise OSError("flash_sdcard: failed to set block size")
|
|
# Read out CSD and CID information registers
|
|
self._process_cid_reg()
|
|
self._process_csd_reg()
|
|
|
|
def deinit(self):
|
|
with self.mutex:
|
|
if self.initialized:
|
|
# Reset the SD Card
|
|
try:
|
|
if not self._check_command(1, 'GO_IDLE_STATE', 0):
|
|
logging.info("flash_sdcard: failed to reset SD Card")
|
|
# Disable CRC Checks
|
|
if not self._check_command(1, 'CRC_ON_OFF', 0):
|
|
logging.info("flash_sdcard: failed to disable CRC")
|
|
except Exception:
|
|
logging.exception("Error resetting SD Card")
|
|
self.initialized = False
|
|
self.sd_version = 0
|
|
self.high_capacity = False
|
|
self.total_sectors = 0
|
|
self.card_info.clear()
|
|
|
|
def _check_command(self, expected, cmd, args, is_app_cmd=False, tries=15):
|
|
func = self._send_app_cmd_with_response if is_app_cmd else \
|
|
self._send_command_with_response
|
|
while True:
|
|
resp, rt = func(cmd, args, get_rt=True)
|
|
# logging.info("flash_sdcard: Check cmd %s, response: %s"
|
|
# % (cmd, repr(resp)))
|
|
resp = resp.strip(b'\xFF')
|
|
if resp and expected == resp[0]:
|
|
return True
|
|
tries -= 1
|
|
if tries < 1:
|
|
return False
|
|
self.reactor.pause(rt + .1)
|
|
|
|
def _send_command(self, cmd, args):
|
|
command = SD_COMMANDS[cmd] | 0x40
|
|
request = [command]
|
|
if isinstance(args, int):
|
|
for i in range(3, -1, -1):
|
|
request.append((args >> (8*i)) & 0xFF)
|
|
elif isinstance(args, list) and len(args) == 4:
|
|
request += args
|
|
else:
|
|
raise OSError("flash_sdcard: Invalid SD Card Command argument")
|
|
crc = calc_crc7(request)
|
|
request.append(crc)
|
|
self.spi.spi_send(request)
|
|
|
|
def _send_command_with_response(self, cmd, args, get_rt=False):
|
|
self._send_command(cmd, args)
|
|
params = self.spi.spi_transfer([0xFF]*8)
|
|
if get_rt:
|
|
return bytearray(params['response']), params['#receive_time']
|
|
else:
|
|
return bytearray(params['response'])
|
|
|
|
def _send_app_cmd_with_response(self, cmd, args, get_rt=False):
|
|
# CMD55 tells the SD Card that the next command is an
|
|
# Application Specific Command.
|
|
self._send_command_with_response('APP_CMD', 0)
|
|
return self._send_command_with_response(cmd, args, get_rt)
|
|
|
|
def _find_sd_token(self, token, tries=10):
|
|
while tries:
|
|
params = self.spi.spi_transfer([0xFF])
|
|
resp = bytearray(params['response'])
|
|
if resp[0] == token:
|
|
return True
|
|
tries -= 1
|
|
return False
|
|
|
|
def _find_sd_response(self, tries=10):
|
|
while tries:
|
|
params = self.spi.spi_transfer([0xFF])
|
|
resp = bytearray(params['response'])
|
|
if resp[0] != 0xFF:
|
|
return resp[0]
|
|
tries -= 1
|
|
return 0xFF
|
|
|
|
def _process_cid_reg(self):
|
|
self._send_command('SEND_CID', 0)
|
|
reg = self._do_block_read(size=16)
|
|
if reg is None:
|
|
raise OSError("flash_sdcard: Error reading CID register")
|
|
cid = collections.OrderedDict()
|
|
cid['manufacturer_id'] = reg[0]
|
|
cid['oem_id'] = reg[1:3].decode(encoding='ascii', errors='ignore')
|
|
cid['product_name'] = reg[3:8].decode(
|
|
encoding='ascii', errors='ignore')
|
|
cid['product_revision'] = str(reg[8] >> 4 & 0xFF) + "." \
|
|
+ str(reg[8] & 0xFF)
|
|
cid['serial_number'] = "".join(["%02X" % (c,) for c in reg[9:13]])
|
|
mfg_year = (((reg[13] & 0xF) << 4) | ((reg[14] >> 4) & 0xF)) + 2000
|
|
mfg_month = reg[14] & 0xF
|
|
cid['manufacturing_date'] = "%d/%d" % (mfg_month, mfg_year)
|
|
crc = calc_crc7(reg[:15])
|
|
if crc != reg[15]:
|
|
raise OSError("flash_sdcard: CID crc mismatch: 0x%02X, recd: 0x%02X"
|
|
% (crc, reg[15]))
|
|
self.card_info.update(cid)
|
|
|
|
def _process_csd_reg(self):
|
|
self._send_command('SEND_CSD', 0)
|
|
reg = self._do_block_read(size=16)
|
|
if reg is None:
|
|
raise OSError("flash_sdcard: Error reading CSD register")
|
|
str_capacity = "Invalid"
|
|
max_capacity = 0
|
|
csd_type = (reg[0] >> 6) & 0x3
|
|
if csd_type == 0:
|
|
# Standard Capacity (CSD Version 1.0)
|
|
max_block_len = 2**(reg[5] & 0xF)
|
|
c_size = ((reg[6] & 0x3) << 10) | (reg[7] << 2) | \
|
|
((reg[8] >> 6) & 0x3)
|
|
c_mult = 2**((((reg[9] & 0x3) << 1) | (reg[10] >> 7)) + 2)
|
|
max_capacity = (c_size + 1) * c_mult * max_block_len
|
|
str_capacity = "%.1f MiB" % (max_capacity / (1024.0**2))
|
|
elif csd_type == 1:
|
|
# High Capacity (CSD Version 2.0)
|
|
c_size = ((reg[7] & 0x3F) << 16) | (reg[8] << 8) | reg[9]
|
|
max_capacity = (c_size + 1) * 512 * 1024
|
|
str_capacity = "%.1f GiB" % (max_capacity / (1024.0**3))
|
|
else:
|
|
logging.info("sdcard: Unsupported csd type: %d" % (csd_type))
|
|
self.write_protected = (reg[14] & 0x30) != 0
|
|
crc = calc_crc7(reg[:15])
|
|
if crc != reg[15]:
|
|
raise OSError("flash_sdcard: CSD crc mismatch: 0x%02X, recd: 0x%02X"
|
|
% (crc, reg[15]))
|
|
self.card_info['capacity'] = str_capacity
|
|
self.total_sectors = max_capacity // SECTOR_SIZE
|
|
|
|
def print_card_info(self, print_func=logging.info):
|
|
print_func("\nSD Card Information:")
|
|
print_func("Version: %.1f" % (self.sd_version))
|
|
print_func("SDHC/SDXC: %s" % (self.high_capacity))
|
|
print_func("Write Protected: %s" % (self.write_protected))
|
|
print_func("Sectors: %d" % (self.total_sectors,))
|
|
for name, val in self.card_info.items():
|
|
print_func("%s: %s" % (name, val))
|
|
|
|
def read_sector(self, sector):
|
|
buf = None
|
|
err_msg = "flash_sdcard: read error, sector %d" % (sector,)
|
|
with self.mutex:
|
|
if not 0 <= sector < self.total_sectors:
|
|
err_msg += " out of range"
|
|
elif not self.initialized:
|
|
err_msg += ", SD Card not initialized"
|
|
else:
|
|
offset = sector
|
|
if not self.high_capacity:
|
|
offset = sector * SECTOR_SIZE
|
|
self._send_command('READ_SINGLE_BLOCK', offset)
|
|
buf = self._do_block_read()
|
|
if buf is None:
|
|
raise OSError(err_msg)
|
|
return buf
|
|
|
|
def _do_block_read(self, size=SECTOR_SIZE):
|
|
valid_response = True
|
|
sd_resp = self._find_sd_response()
|
|
if sd_resp != 0:
|
|
logging.info("flash_sdcard: invalid read block response: 0x%02X"
|
|
% (sd_resp))
|
|
valid_response = False
|
|
if not self._find_sd_token(0xFE):
|
|
logging.info("flash_sdcard: read error, unable to find "
|
|
"start token")
|
|
valid_response = False
|
|
if not valid_response:
|
|
# In the event of an invalid response we will still
|
|
# send 514 bytes to be sure that the sdcard's output
|
|
# buffer is clear
|
|
bcount = size + 2
|
|
while bcount:
|
|
sent = min(32, bcount)
|
|
self.spi.spi_send([0xFF]*sent)
|
|
bcount -= sent
|
|
self._find_sd_token(0xFF)
|
|
return None
|
|
buf = bytearray()
|
|
while len(buf) < size:
|
|
count = min(32, size - len(buf))
|
|
params = self.spi.spi_transfer([0xFF]*count)
|
|
buf += bytearray(params['response'])
|
|
# Get the CRC
|
|
params = self.spi.spi_transfer([0xFF, 0xFF])
|
|
# Make sure we leave the busy state
|
|
self._find_sd_token(0xFF)
|
|
crc = bytearray(params['response'])
|
|
crc_int = (crc[0] << 8) | crc[1]
|
|
calculated_crc = calc_crc16(buf)
|
|
if calculated_crc != crc_int:
|
|
logging.info(
|
|
"flash_sdcard: CRC Mismatch, Received: %04X, Calculated: %04X"
|
|
% (crc_int, calculated_crc))
|
|
return None
|
|
return buf
|
|
|
|
def write_sector(self, sector, data):
|
|
with self.mutex:
|
|
if not 0 <= sector < self.total_sectors:
|
|
raise OSError(
|
|
"flash_sdcard: write error, sector number %d invalid"
|
|
% (sector))
|
|
if not self.initialized:
|
|
raise OSError("flash_sdcard: write error, SD Card not"
|
|
" initialized")
|
|
outbuf = bytearray(data)
|
|
if len(outbuf) > SECTOR_SIZE:
|
|
raise OSError("sd_card: Cannot write sector larger"
|
|
" than %d bytes"
|
|
% (SECTOR_SIZE))
|
|
elif len(outbuf) < SECTOR_SIZE:
|
|
outbuf += bytearray([0] * (SECTOR_SIZE - len(outbuf)))
|
|
offset = sector
|
|
if not self.high_capacity:
|
|
offset = sector * SECTOR_SIZE
|
|
if not self._check_command(0, 'WRITE_BLOCK', offset, tries=2):
|
|
raise OSError("flash_sdcard: Error writing to sector %d"
|
|
% (sector,))
|
|
crc = calc_crc16(outbuf)
|
|
outbuf.insert(0, 0xFE)
|
|
outbuf.append((crc >> 8) & 0xFF)
|
|
outbuf.append(crc & 0xFF)
|
|
while outbuf:
|
|
self.spi.spi_send(outbuf[:32])
|
|
outbuf = outbuf[32:]
|
|
resp = self._find_sd_response()
|
|
err_msgs = []
|
|
if (resp & 0x1f) != 5:
|
|
err_msgs.append("flash_sdcard: write error 0x%02X" % (resp,))
|
|
# wait until the card leaves the busy state
|
|
if not self._find_sd_token(0xFF, tries=128):
|
|
err_msgs.append("flash_sdcard: could not leave busy"
|
|
" state after write")
|
|
else:
|
|
status = self._send_command_with_response('SEND_STATUS', 0)
|
|
status = status.strip(b'\xFF')
|
|
if len(status) == 2:
|
|
if status[1] != 0:
|
|
err_msgs.append(
|
|
"flash_sdcard: write error 0x%02X"
|
|
% (status[1],))
|
|
else:
|
|
err_msgs.append("flash_sdcard: Invalid status response"
|
|
" after write: %s" % (repr(status),))
|
|
if err_msgs:
|
|
raise OSError("\n".join(err_msgs))
|
|
|
|
class MCUConnection:
|
|
def __init__(self, k_reactor, device, baud, board_cfg):
|
|
self.reactor = k_reactor
|
|
self.serial_device = device
|
|
self.baud = baud
|
|
# TODO: a change in baudrate will cause an issue, come up
|
|
# with a method for handling it gracefully
|
|
self._serial = serialhdl.SerialReader(self.reactor)
|
|
self.clocksync = clocksync.ClockSync(self.reactor)
|
|
self.board_config = board_cfg
|
|
self.fatfs = None
|
|
self.connect_completion = None
|
|
self.connected = False
|
|
self.enumerations = {}
|
|
|
|
def connect(self):
|
|
output("Connecting to MCU..")
|
|
self.connect_completion = self.reactor.completion()
|
|
self.connected = False
|
|
self.reactor.register_callback(self._do_serial_connect)
|
|
curtime = self.reactor.monotonic()
|
|
while True:
|
|
curtime = self.reactor.pause(curtime + 1.)
|
|
output(".")
|
|
if self.connect_completion.test():
|
|
self.connected = self.connect_completion.wait()
|
|
break
|
|
self.connect_completion = None
|
|
if not self.connected:
|
|
output("\n")
|
|
raise SPIFlashError("Unable to connect to MCU")
|
|
output_line("Connected")
|
|
msgparser = self._serial.get_msgparser()
|
|
mcu_type = msgparser.get_constant('MCU')
|
|
build_mcu_type = self.board_config['mcu']
|
|
if mcu_type != build_mcu_type:
|
|
raise SPIFlashError(
|
|
"MCU Type mismatch: Build MCU = %s, Connected MCU = %s"
|
|
% (build_mcu_type, mcu_type))
|
|
self.enumerations = msgparser.get_enumerations()
|
|
|
|
def _do_serial_connect(self, eventtime):
|
|
endtime = eventtime + 60.
|
|
while True:
|
|
try:
|
|
self._serial.connect_uart(self.serial_device, self.baud)
|
|
self.clocksync.connect(self._serial)
|
|
except Exception:
|
|
curtime = self.reactor.monotonic()
|
|
if curtime > endtime:
|
|
self.connect_completion.complete(False)
|
|
return
|
|
output("Connection Error, retrying..")
|
|
self._serial.disconnect()
|
|
self.reactor.pause(curtime + 2.)
|
|
else:
|
|
break
|
|
self.connect_completion.complete(True)
|
|
|
|
def reset(self):
|
|
output("Attempting MCU Reset...")
|
|
if self.fatfs is not None:
|
|
self.fatfs.unmount()
|
|
self.fatfs.clear_callbacks()
|
|
# XXX: do we need to support other reset methods?
|
|
self._serial.send(RESET_CMD)
|
|
self.reactor.pause(self.reactor.monotonic() + 0.015)
|
|
self.reactor.end()
|
|
output_line("Done")
|
|
|
|
def disconnect(self):
|
|
if not self.connected:
|
|
return
|
|
self._serial.disconnect()
|
|
self.connected = False
|
|
|
|
def check_need_restart(self):
|
|
output("Checking Current MCU Configuration...")
|
|
get_cfg_cmd = mcu.CommandQueryWrapper(
|
|
self._serial, GET_CFG_CMD, GET_CFG_RESPONSE)
|
|
params = get_cfg_cmd.send()
|
|
output_line("Done")
|
|
if params['is_config'] or params['is_shutdown']:
|
|
output_line("MCU needs restart: is_config=%d, is_shutdown=%d"
|
|
% (params['is_config'], params['is_shutdown']))
|
|
return True
|
|
return False
|
|
|
|
def configure_mcu(self, printfunc=logging.info):
|
|
# TODO: add commands for buttons? Or perhaps an endstop? We
|
|
# just need to be able to query the status of the detect pin
|
|
cs_pin = self.board_config['cs_pin'].upper()
|
|
bus = self.board_config['spi_bus']
|
|
bus_enums = self.enumerations.get(
|
|
'spi_bus', self.enumerations.get('bus'))
|
|
pin_enums = self.enumerations.get('pin')
|
|
if bus == "swspi":
|
|
cfgpins = self.board_config['spi_pins']
|
|
pins = [p.strip().upper() for p in cfgpins.split(',') if p.strip()]
|
|
pin_err_msg = "Invalid Software SPI Pins: %s" % (cfgpins,)
|
|
if len(pins) != 3:
|
|
raise SPIFlashError(pin_err_msg)
|
|
for p in pins:
|
|
if p not in pin_enums:
|
|
raise SPIFlashError(pin_err_msg)
|
|
bus_cmd = SW_SPI_BUS_CMD % (SPI_OID, pins[0], pins[1], pins[2],
|
|
SPI_MODE, SD_SPI_SPEED)
|
|
else:
|
|
if bus not in bus_enums:
|
|
raise SPIFlashError("Invalid SPI Bus: %s" % (bus,))
|
|
bus_cmd = SPI_BUS_CMD % (SPI_OID, bus, SPI_MODE, SD_SPI_SPEED)
|
|
if cs_pin not in pin_enums:
|
|
raise SPIFlashError("Invalid CS Pin: %s" % (cs_pin,))
|
|
cfg_cmds = [
|
|
ALLOC_OIDS_CMD % (1),
|
|
SPI_CFG_CMD % (SPI_OID, cs_pin),
|
|
bus_cmd,
|
|
]
|
|
config_crc = zlib.crc32('\n'.join(cfg_cmds)) & 0xffffffff
|
|
cfg_cmds.append(FINALIZE_CFG_CMD % (config_crc,))
|
|
for cmd in cfg_cmds:
|
|
self._serial.send(cmd)
|
|
self.fatfs = FatFS(self._serial)
|
|
self.reactor.pause(self.reactor.monotonic() + .5)
|
|
printfunc("Initializing SD Card and Mounting file system...")
|
|
try:
|
|
self.fatfs.mount(printfunc)
|
|
except OSError:
|
|
logging.exception("SD Card Mount Failure")
|
|
raise SPIFlashError(
|
|
"Failed to Initialize SD Card. Is it inserted?")
|
|
|
|
def sdcard_upload(self):
|
|
output("Uploading Klipper Firmware to SD Card...")
|
|
input_sha = hashlib.sha1()
|
|
sd_sha = hashlib.sha1()
|
|
klipper_bin_path = self.board_config['klipper_bin_path']
|
|
fw_path = self.board_config.get('firmware_path', "firmware.bin")
|
|
try:
|
|
with open(klipper_bin_path, 'rb') as local_f:
|
|
with self.fatfs.open_file(fw_path, "wb") as sd_f:
|
|
while True:
|
|
buf = local_f.read(4096)
|
|
if not buf:
|
|
break
|
|
input_sha.update(buf)
|
|
sd_f.write(buf)
|
|
except Exception:
|
|
logging.exception("SD Card Upload Error")
|
|
raise SPIFlashError("Error Uploading Firmware")
|
|
output_line("Done")
|
|
output("Validating Upload...")
|
|
try:
|
|
finfo = self.fatfs.get_file_info(fw_path)
|
|
with self.fatfs.open_file(fw_path, 'r') as sd_f:
|
|
while True:
|
|
buf = sd_f.read(4096)
|
|
if not buf:
|
|
break
|
|
sd_sha.update(buf)
|
|
except Exception:
|
|
logging.exception("SD Card Download Error")
|
|
raise SPIFlashError("Error reading %s from SD" % (fw_path))
|
|
sd_size = finfo.get('size', -1)
|
|
input_chksm = input_sha.hexdigest().upper()
|
|
sd_chksm = sd_sha.hexdigest().upper()
|
|
if input_chksm != sd_chksm:
|
|
raise SPIFlashError("Checksum Mismatch: Got '%s', expected '%s'"
|
|
% (sd_chksm, input_chksm))
|
|
output_line("Done")
|
|
output_line(
|
|
"Firmware Upload Complete: %s, Size: %d, Checksum (SHA1): %s"
|
|
% (fw_path, sd_size, sd_chksm))
|
|
return sd_chksm
|
|
|
|
def verify_flash(self, req_chksm):
|
|
output("Verifying Flash...")
|
|
cur_fw_sha = hashlib.sha1()
|
|
cur_fw_path = self.board_config.get('current_firmware_path',
|
|
"FIRMWARE.CUR")
|
|
try:
|
|
with self.fatfs.open_file(cur_fw_path, 'r') as sd_f:
|
|
while True:
|
|
buf = sd_f.read(4096)
|
|
if not buf:
|
|
break
|
|
cur_fw_sha.update(buf)
|
|
except Exception:
|
|
msg = "Failed to read file %s" % (cur_fw_path,)
|
|
logging.exception(msg)
|
|
raise SPIFlashError(msg)
|
|
cur_fw_chksm = cur_fw_sha.hexdigest().upper()
|
|
if req_chksm == cur_fw_chksm:
|
|
output_line("Done")
|
|
output_line("Firmware Flash Successful")
|
|
else:
|
|
raise SPIFlashError("Checksum Mismatch: Got '%s', expected '%s'"
|
|
% (cur_fw_chksm, req_chksm))
|
|
|
|
class SPIFlash:
|
|
def __init__(self, args):
|
|
self.board_config = args
|
|
if not os.path.exists(args['device']):
|
|
raise SPIFlashError("No device found at '%s'" % (args['device'],))
|
|
if not os.path.isfile(args['klipper_bin_path']):
|
|
raise SPIFlashError("Unable to locate klipper binary at '%s'"
|
|
% (args['klipper_bin_path'],))
|
|
tty_name, dev_by_path = translate_serial_to_tty(args['device'])
|
|
self.device_path = dev_by_path
|
|
self.baud_rate = args['baud']
|
|
self.mcu_conn = None
|
|
self.firmware_checksum = None
|
|
self.task_complete = False
|
|
self.need_upload = True
|
|
|
|
def _wait_for_reconnect(self):
|
|
output("Waiting for device to reconnect...")
|
|
time.sleep(1.)
|
|
if os.path.exists(self.device_path):
|
|
# device is already available, this could be a UART
|
|
time.sleep(2.)
|
|
else:
|
|
wait_left = 30
|
|
while wait_left:
|
|
time.sleep(1.)
|
|
output(".")
|
|
if os.path.exists(self.device_path):
|
|
break
|
|
wait_left -= 1
|
|
else:
|
|
output_line("Error")
|
|
raise SPIFlashError("Unable to reconnect")
|
|
output_line("Done")
|
|
|
|
def run_reset(self, eventtime):
|
|
# Reset MCU to default state if necessary
|
|
self.mcu_conn.connect()
|
|
if self.mcu_conn.check_need_restart():
|
|
self.mcu_conn.reset()
|
|
self.task_complete = True
|
|
else:
|
|
self.need_upload = False
|
|
self.run_sdcard_upload(eventtime)
|
|
|
|
def run_sdcard_upload(self, eventtime):
|
|
# Reconnect and upload
|
|
if not self.mcu_conn.connected:
|
|
self.mcu_conn.connect()
|
|
self.mcu_conn.configure_mcu(printfunc=output_line)
|
|
self.firmware_checksum = self.mcu_conn.sdcard_upload()
|
|
self.mcu_conn.reset()
|
|
self.task_complete = True
|
|
|
|
def run_verify(self, eventtime):
|
|
# Reconnect and verify
|
|
self.mcu_conn.connect()
|
|
self.mcu_conn.configure_mcu()
|
|
self.mcu_conn.verify_flash(self.firmware_checksum)
|
|
self.mcu_conn.reset()
|
|
self.task_complete = True
|
|
|
|
def run_reactor_task(self, run_cb):
|
|
self.task_complete = False
|
|
k_reactor = reactor.Reactor()
|
|
self.mcu_conn = MCUConnection(k_reactor, self.device_path,
|
|
self.baud_rate, self.board_config)
|
|
k_reactor.register_callback(run_cb)
|
|
try:
|
|
k_reactor.run()
|
|
except SPIFlashError:
|
|
raise
|
|
except Exception:
|
|
# ignore exceptions that occur after a task is complete
|
|
if not self.task_complete:
|
|
raise
|
|
finally:
|
|
self.mcu_conn.disconnect()
|
|
k_reactor.finalize()
|
|
self.mcu_conn = k_reactor = None
|
|
|
|
def run(self):
|
|
self.run_reactor_task(self.run_reset)
|
|
self._wait_for_reconnect()
|
|
if self.need_upload:
|
|
self.run_reactor_task(self.run_sdcard_upload)
|
|
self._wait_for_reconnect()
|
|
self.run_reactor_task(self.run_verify)
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(
|
|
description="SD Card Firmware Upload Utility")
|
|
parser.add_argument(
|
|
"-l", "--list", action="store_true",
|
|
help="List Supported Boards")
|
|
args = parser.parse_known_args()
|
|
if args[0].list:
|
|
blist = board_defs.list_boards()
|
|
output_line("Available Boards:")
|
|
for board in blist:
|
|
output_line(board)
|
|
return
|
|
parser.add_argument(
|
|
"-b", "--baud", metavar="<baud rate>", type=int,
|
|
default=250000, help="Serial Baud Rate")
|
|
parser.add_argument(
|
|
"-v", "--verbose", action="store_true",
|
|
help="Enable verbose output")
|
|
parser.add_argument(
|
|
"device", metavar="<device>", help="Device Serial Port")
|
|
parser.add_argument(
|
|
"board", metavar="<board>", help="Board Type")
|
|
parser.add_argument(
|
|
"klipper_bin_path", metavar="<klipper.bin>",
|
|
help="Klipper firmware binary")
|
|
args = parser.parse_args()
|
|
log_level = logging.DEBUG if args.verbose else logging.CRITICAL
|
|
logging.basicConfig(level=log_level)
|
|
flash_args = board_defs.lookup_board(args.board)
|
|
if flash_args is None:
|
|
output_line("Unable to find defintion for board: %s" % (args.board,))
|
|
sys.exit(-1)
|
|
flash_args['device'] = args.device
|
|
flash_args['baud'] = args.baud
|
|
flash_args['klipper_bin_path'] = args.klipper_bin_path
|
|
check_need_convert(args.board, flash_args)
|
|
fatfs_lib.check_fatfs_build(output)
|
|
try:
|
|
spiflash = SPIFlash(flash_args)
|
|
spiflash.run()
|
|
except Exception as e:
|
|
output_line("\nSD Card Flash Error: %s" % (str(e),))
|
|
traceback.print_exc(file=sys.stdout)
|
|
sys.exit(-1)
|
|
output_line("SD Card Flash Complete")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|