Differences

This shows you the differences between two versions of the page.

--- atmel_sama5d42 [2017/06/27 12:02]
1.241.172.144 created
+++ atmel_sama5d42 [2017/09/25 22:18] (current)
1.241.172.144 [Device Driver]
@@ Line 1: / Line 1: @@
+====== HW ======
+[[회로도]]
+[[Device Data Sheet]]
+[[Relation Data]]
 ====== 개발 환경 설정 ======
@@ Line 37: / Line 48: @@
 BuildRoot를 사용하는 방법이나 개별 소스를 사용하는 방법은 병행가능 하다.
-===== SAM-BA로 Writing =====
+===== ubuntu samba를 이용한 작업 파일 공유 =====
-아래는 위의 방법으로 만들어진 Binary 들이다.
-{{wiki:atmel_sama5d42:binary.zip}}
-{{wiki:atmel_sama5d42:rootfs.zip}}
-이를 다운받아 풀면 다음과 같다.
-{{wiki:atmel_sama5d42:SAM-BA-binay_list.jpg}}
-VI 통합 Board의 Push SW(NAND Disable Switch)를 누르고 전원을 연결한다.
-SAM-BA를 실행한다.
-{{wiki:atmel_sama5d42:Start-SAM-BA.jpg}}
-Connect를 눌러 연결한다.
-{{wiki:atmel_sama5d42:SAM-BA-Loading.jpg}}
-NAND를 선택한다.
-{{wiki:atmel_sama5d42:SAM-BA-To_NAND.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND.jpg}}
-Enable NandFlash를 실행한다.
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Enable.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Enable-Result.jpg}}
-NAND Flash를 지운다.
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-Erase.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-Erase-s.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-Erase-e.jpg}}
-ECC를 새로설정한다.
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-PMECC.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-PMECC-s.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-PMECC-s1.jpg}}
-Spansion NAND 일 경우
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-PMECC-s2.jpg}}
-EMST NAND 일 경우
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-PMECC-s3.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-PMECC-e.jpg}}
-BootStrap을 Write한다.
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-Boot.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-Boot-s.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-Boot-s1.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Select-Boot-e.jpg}}
-u-boot를 Write 한다.
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Uboot1.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Uboot2.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Uboot3.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Uboot4.jpg}}
-u-boot 환경변수를 Write 한다.
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Uboot-ENV1.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Uboot-ENV2.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Uboot-ENV3.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-Uboot-ENV4.jpg}}
-DTB 를 Write 한다.
-{{wiki:atmel_sama5d42:SAM-BA-NAND-DTB1.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-DTB2.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-DTB3.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-DTB4.jpg}}
-Kernel 를 Write 한다.
-{{wiki:atmel_sama5d42:SAM-BA-NAND-kernel1.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-kernel2.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-kernel3.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-kernel4.jpg}}
-File System 을 Write 한다.
-{{wiki:atmel_sama5d42:SAM-BA-NAND-FS1.jpg}}
+[[samba]]
-{{wiki:atmel_sama5d42:SAM-BA-NAND-FS2.jpg}}
-{{wiki:atmel_sama5d42:SAM-BA-NAND-FS3.jpg}}
+===== Program Writing =====
-Power를 Off/On 시킨다.
+[[SAM-BA로 Writing]]
-아래와 같은 Log를 얻을 수 있다.
+[[Uboot를 이용한 Writing - BootStrap을 제외한 나머지]]
-  AT91Bootstrap 3.8.7 (2017. 06. 23. (금) 15:26:52 KST)
+===== Network File System =====
-  NAND: ONFI flash detected
-  NAND: Manufacturer ID: 0x1 Chip ID: 0x30
-  NAND: Page Bytes: 2048, Spare Bytes: 128
-  NAND: ECC Correctability Bits: 4, ECC Sector Bytes: 512
-  NAND: Enable On-Die ECC
-  NAND: Image: Copy 0x80000 bytes from 0x40000 to 0x26f00000
-  main: end of load_image() image.dest = 0x26f00000
-  main: end of load_image() image.offset = 0x40000
-  main: end of load_image() return = 0
-  NAND: Done to load image
-  U-Boot 2016.03-linux4sam_5.5 (Jun 26 2017 - 15:05:47 +0900)
-  CPU: SAMA5D42
-  Crystal frequency:       12 MHz
-  CPU clock        :      528 MHz
-  Master clock     :      176 MHz
-  I2C:   ready
-  DRAM:  128 MiB
-  NAND:  256 MiB
-  MMC:   mci: 0
-  In:    serial
-  Out:   serial
-  Err:   serial
-  Net:   gmac0, usb_ether
-  Error: usb_ether address not set.
-  Hit any key to stop autoboot: 10  9  8  7  6  5  4  3  2  1  0
-  NAND read: device 0 offset 0x180000, size 0x80000
-bytes read: OK
-  NAND read: device 0 offset 0x200000, size 0x600000
-   6291456 bytes read: OK
-  Kernel image @ 0x22000000 [ 0x000000 - 0x3a5ba0 ]
-  ## Flattened Device Tree blob at 21000000
-     Booting using the fdt blob at 0x21000000
-     Loading Device Tree to 27b4d000, end 27b58237 ... OK
-  Starting kernel ...
-  Booting Linux on physical CPU 0x0
-  Linux version 4.4.68 (stephanos@stephanos-VirtualBox) (gcc version 6.2.1 20161016 (Linaro GCC 6.2-2016.11) ) #2 Sun Jun 25 04:10:03 KST 2017
-  CPU: ARMv7 Processor [410fc051] revision 1 (ARMv7), cr=10c53c7d
-  CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
-  Machine model: Atmel SAMA5D4 VI
-  cma: Failed to reserve 64 MiB
-  Memory policy: Data cache writeback
-  CPU: All CPU(s) started in SVC mode.
-  Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 32512
-  Kernel command line: console=ttyS0,115200 earlyprintk
-  mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,256K(env),256k(env_redundent),256k(spare),512k(dtb),6M(kernel)ro,-(rootfs) rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs
-  PID hash table entries: 512 (order: -1, 2048 bytes)
-  Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
-  Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
-  Memory: 122076K/131072K available (5370K kernel code, 191K rwdata, 1680K rodata, 228K init, 177K bss, 8996K reserved, 0K cma-reserved)
-  Virtual kernel memory layout:
-    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
-    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
-    vmalloc : 0xc8800000 - 0xff800000   ( 880 MB)
-    lowmem  : 0xc0000000 - 0xc8000000   ( 128 MB)
-    modules : 0xbf000000 - 0xc0000000   (  16 MB)
-      .text : 0xc0008000 - 0xc06eac54   (7052 kB)
-      .init : 0xc06eb000 - 0xc0724000   ( 228 kB)
-      .data : 0xc0724000 - 0xc0753f40   ( 192 kB)
-       .bss : 0xc0753f40 - 0xc0780680   ( 178 kB)
-  NR_IRQS:16 nr_irqs:16 16
-  L2C-310 ID prefetch enabled, offset 2 lines
-  L2C-310 dynamic clock gating enabled, standby mode enabled
-  L2C-310 cache controller enabled, 8 ways, 128 kB
-  L2C-310: CACHE_ID 0x410000c9, AUX_CTRL 0x36020000
-  clocksource: pit: mask: 0x7ffffff max_cycles: 0x7ffffff, max_idle_ns: 10859434279 ns
-  sched_clock: 32 bits at 100 Hz, resolution 10000000ns, wraps every 21474836475000000ns
-  Console: colour dummy device 80x30
-  Calibrating delay loop... 351.43 BogoMIPS (lpj=1757184)
-  pid_max: default: 32768 minimum: 301
-  Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
-  Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
-  CPU: Testing write buffer coherency: ok
-  Setting up static identity map for 0x20008200 - 0x20008258
-  devtmpfs: initialized
-  VFP support v0.3: implementor 41 architecture 2 part 30 variant 5 rev 1
-  clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
-  futex hash table entries: 256 (order: -1, 3072 bytes)
-  pinctrl core: initialized pinctrl subsystem
-  NET: Registered protocol family 16
-  DMA: preallocated 256 KiB pool for atomic coherent allocations
-  cpuidle: using governor ladder
-  cpuidle: using governor menu
-  AT91: Detected SoC family: sama5d4
-  AT91: Detected SoC: sama5d42, revision 0
-  gpio-at91 fc06a000.gpio: at address c885c000
-  gpio-at91 fc06b000.gpio: at address c885e000
-  gpio-at91 fc06c000.gpio: at address c8872000
-  gpio-at91 fc068000.gpio: at address c8874000
-  gpio-at91 fc06d000.gpio: at address c8876000
-  pinctrl-at91 ahb:apb:pinctrl@fc06a000: initialized AT91 pinctrl driver
-  clocksource: tcb_clksrc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 173750949719 ns
-  at_xdmac f0004000.dma-controller: 16 channels, mapped at 0xc887c000
-  at_xdmac f0014000.dma-controller: 16 channels, mapped at 0xc887e000
-  SCSI subsystem initialized
-  usbcore: registered new interface driver usbfs
-  usbcore: registered new interface driver hub
-  usbcore: registered new device driver usb
-  at91_i2c f8014000.i2c: using dma0chan0 (tx) and dma0chan1 (rx) for DMA transfers
-  at91_i2c f8014000.i2c: AT91 i2c bus driver (hw version: 0x502).
-  media: Linux media interface: v0.10
-  Linux video capture interface: v2.00
-  Advanced Linux Sound Architecture Driver Initialized.
-  clocksource: Switched to clocksource tcb_clksrc
-  NET: Registered protocol family 2
-  TCP established hash table entries: 1024 (order: 0, 4096 bytes)
-  TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
-  TCP: Hash tables configured (established 1024 bind 1024)
-  UDP hash table entries: 256 (order: 0, 4096 bytes)
-  UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
-  NET: Registered protocol family 1
-  RPC: Registered named UNIX socket transport module.
-  RPC: Registered udp transport module.
-  RPC: Registered tcp transport module.
-  RPC: Registered tcp NFSv4.1 backchannel transport module.
-  io scheduler noop registered (default)
-  backlight supply power not found, using dummy regulator
-  f8004000.serial: ttyS5 at MMIO 0xf8004000 (irq = 31, base_baud = 5500000) is a ATMEL_SERIAL
-  fc00c000.serial: ttyS0 at MMIO 0xfc00c000 (irq = 37, base_baud = 5500000) is a ATMEL_SERIAL
-  console [ttyS0] enabled
-  fc010000.serial: ttyS1 at MMIO 0xfc010000 (irq = 38, base_baud = 5500000) is a ATMEL_SERIAL
-  [drm] Initialized drm 1.1.0 20060810
-  panel supply power not found, using dummy regulator
-  brd: module loaded
-  loop: module loaded
-  [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
-  [drm] No driver support for vblank timestamp query.
-  atmel-hlcdc-display-controller atmel-hlcdc-dc: failed to create HLCDC outputs: -517
-  atmel-hlcdc-display-controller atmel-hlcdc-dc: failed to initialize mode setting
-  atmel_nand_nfc 90000000.nfc: NFC is probed.
-  atmel_nand 80000000.nand: Cannot get PMECC lookup table offset, will build a lookup table in runtime.
-  atmel_nand 80000000.nand: Use On Flash BBT
-  atmel_nand 80000000.nand: Using dma0chan2 for DMA transfers.
-  nand: device found, Manufacturer ID: 0x01, Chip ID: 0xda
-  nand: AMD/Spansion S34ML02G2
-  nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 128
-  atmel_nand 80000000.nand: minimum ECC: 4 bits in 512 bytes
-  atmel_nand 80000000.nand: Initialize PMECC params, cap: 4, sector: 512
-  atmel_nand 80000000.nand: Using NFC Sram read and write
-  Bad block table not found for chip 0
-  Bad block table not found for chip 0
-  Scanning device for bad blocks
-  random: nonblocking pool is initialized
-  Bad block table written to 0x00000ffe0000, version 0x01
-  Bad block table written to 0x00000ffc0000, version 0x01
-cmdlinepart partitions found on MTD device atmel_nand
-  Creating 8 MTD partitions on "atmel_nand":
-x000000000000-0x000000040000 : "bootstrap"
-x000000040000-0x0000000c0000 : "uboot"
-x0000000c0000-0x000000100000 : "env"
-x000000100000-0x000000140000 : "env_redundent"
-x000000140000-0x000000180000 : "spare"
-x000000180000-0x000000200000 : "dtb"
-x000000200000-0x000000800000 : "kernel"
-x000000800000-0x000010000000 : "rootfs"
-  atmel_spi f8010000.spi: version: 0x221
-  atmel_spi f8010000.spi: Using dma0chan3 (tx) and dma0chan4 (rx) for DMA transfers
-  atmel_spi f8010000.spi: Atmel SPI Controller at 0xf8010000 (irq 32)
-  m25p80 spi32766.0: unrecognized JEDEC id bytes: 00,  0,  0
-  atmel_spi fc018000.spi: version: 0x221
-  atmel_spi fc018000.spi: Using dma0chan5 (tx) and dma0chan6 (rx) for DMA transfers
-  atmel_spi fc018000.spi: Atmel SPI Controller at 0xfc018000 (irq 39)
-  libphy: MACB_mii_bus: probed
-  macb f8020000.ethernet eth0: Cadence GEM rev 0x00020120 at 0xf8020000 irq 35 (ac:f1:df:5e:4d:3f)
-  macb f8020000.ethernet eth0: attached PHY driver [Micrel KSZ8081 or KSZ8091]
-  (mii_bus:phy_addr=f8020000.etherne:01, irq=181)
-  ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
-  ehci-atmel: EHCI Atmel driver
-  atmel-ehci 600000.ehci: EHCI Host Controller
-  atmel-ehci 600000.ehci: new USB bus registered, assigned bus number 1
-  atmel-ehci 600000.ehci: irq 25, io mem 0x00600000
-  atmel-ehci 600000.ehci: USB 2.0 started, EHCI 1.00
-  usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
-  usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
-  usb usb1: Product: EHCI Host Controller
-  usb usb1: Manufacturer: Linux 4.4.68 ehci_hcd
-  usb usb1: SerialNumber: 600000.ehci
-  hub 1-0:1.0: USB hub found
-  hub 1-0:1.0: 3 ports detected
-  ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
-  ohci-atmel: OHCI Atmel driver
-  at91_ohci 500000.ohci: failed to find sfr node
-  at91_ohci 500000.ohci: USB Host Controller
-  at91_ohci 500000.ohci: new USB bus registered, assigned bus number 2
-  at91_ohci 500000.ohci: irq 25, io mem 0x00500000
-  usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
-  usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
-  usb usb2: Product: USB Host Controller
-  usb usb2: Manufacturer: Linux 4.4.68 ohci_hcd
-  usb usb2: SerialNumber: at91
-  hub 2-0:1.0: USB hub found
-  hub 2-0:1.0: 3 ports detected
-  usbcore: registered new interface driver cdc_acm
-  cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
-  usbcore: registered new interface driver usb-storage
-  usbcore: registered new interface driver usbserial
-  usbcore: registered new interface driver usbserial_generic
-  usbserial: USB Serial support registered for generic
-  usbcore: registered new interface driver ftdi_sio
-  usbserial: USB Serial support registered for FTDI USB Serial Device
-  usbcore: registered new interface driver pl2303
-  usbserial: USB Serial support registered for pl2303
-  rtc rtc0: alarm rollover not handled
-  rtc rtc0: invalid alarm value: 1900-1-1 0:0:0
-  at91_rtc fc0686b0.rtc: rtc core: registered fc0686b0.rtc as rtc0
-  at91_rtc fc0686b0.rtc: AT91 Real Time Clock driver.
-  i2c /dev entries driver
-  AT91: Starting after wakeup
-  sama5d4_wdt fc068640.watchdog: initialized (timeout = 16 sec, nowayout = 0)
-  sdhci: Secure Digital Host Controller Interface driver
-  sdhci: Copyright(c) Pierre Ossman
-  atmel_mci fc000000.mmc: version: 0x600
-  atmel_mci fc000000.mmc: using dma0chan7 for DMA transfers
-  VDD MCI1: supplied by VCC 3V3
-  atmel_mci fc000000.mmc: Atmel MCI controller at 0xfc000000 irq 36, 1 slots
-  sdhci-pltfm: SDHCI platform and OF driver helper
-  leds-gpio leds: Led d10 renamed to d10_1 due to name collision
-  ledtrig-cpu: registered to indicate activity on CPUs
-  atmel_aes fc044000.aes: version: 0x201
-  atmel_aes fc044000.aes: Atmel AES - Using dma1chan0, dma1chan1 for DMA transfers
-  atmel_sha fc050000.sha: version: 0x420
-  atmel_sha fc050000.sha: using dma1chan2 for DMA transfers
-  atmel_sha fc050000.sha: Atmel SHA1/SHA256/SHA224/SHA384/SHA512
-  atmel_tdes fc04c000.tdes: version: 0x702
-  atmel_tdes fc04c000.tdes: using dma1chan3, dma1chan4 for DMA transfers
-  atmel_tdes fc04c000.tdes: Atmel DES/TDES
-  usbcore: registered new interface driver usbhid
-  usbhid: USB HID core driver
-  iio iio:device0: Resolution used: 10 bits
-  iio iio:device0: ADC Touch screen is disabled.
-  NET: Registered protocol family 10
-  sit: IPv6 over IPv4 tunneling driver
-  NET: Registered protocol family 17
-  backlight supply power not found, using dummy regulator
-  panel supply power not found, using dummy regulator
-  [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
-  [drm] No driver support for vblank timestamp query.
-  atmel-hlcdc-display-controller atmel-hlcdc-dc: DRM device successfully registered
-  ubi0: default fastmap pool size: 95
-  ubi0: default fastmap WL pool size: 47
-  ubi0: attaching mtd7
-  ubi0: scanning is finished
-  ubi0: volume 0 ("rootfs") re-sized from 257 to 1938 LEBs
-  ubi0: attached mtd7 (name "rootfs", size 248 MiB)
-  ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
-  ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
-  ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
-  ubi0: good PEBs: 1980, bad PEBs: 4, corrupted PEBs: 0
-  ubi0: user volume: 1, internal volumes: 1, max. volumes count: 128
-  ubi0: max/mean erase counter: 1/0, WL threshold: 4096, image sequence number: 1513179009
-  ubi0: available PEBs: 0, total reserved PEBs: 1980, PEBs reserved for bad PEB handling: 36
-  input: gpio_keys as /devices/soc0/gpio_keys/input/input0
-  ubi0: background thread "ubi_bgt0d" started, PID 97
-  at91_rtc fc0686b0.rtc: setting system clock to 2012-01-01 00:00:18 UTC (1325376018)
-  ALSA device list:
-    No soundcards found.
-  atmel_usart fc00c000.serial: using dma0chan8 for rx DMA transfers
-  atmel_usart fc00c000.serial: using dma0chan9 for tx DMA transfers
-  UBIFS (ubi0:0): UBIFS: mounted UBI device 0, volume 0, name "rootfs", R/O mode
-  UBIFS (ubi0:0): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
-  UBIFS (ubi0:0): FS size: 244682752 bytes (233 MiB, 1927 LEBs), journal size 9023488 bytes (8 MiB, 72 LEBs)
-  UBIFS (ubi0:0): reserved for root: 0 bytes (0 KiB)
-  UBIFS (ubi0:0): media format: w4/r0 (latest is w4/r0), UUID 4289B817-B849-426A-8EB4-54E811F89C16, small LPT model
-  VFS: Mounted root (ubifs filesystem) readonly on device 0:14.
-  devtmpfs: mounted
-  Freeing unused kernel memory: 228K (c06eb000 - c0724000)
-  UBIFS (ubi0:0): background thread "ubifs_bgt0_0" started, PID 100
-  devpts: called with bogus options
-  Starting logging: OK
-  Populating /dev using udev: /etc/init.d/S10udev: line 47: can't create /proc/sys/kernel/hotplug: nonexistent
-  directory
-  udevd[114]: starting version 3.2.1
-  udevd[115]: starting eudev-3.2.1
-  done
-  Initializing random number generator... done.
-  Starting system message bus: done
-  Starting network: OK
-  Starting dropbear sshd: OK
-  ssh-keygen: generating new host keys: RSA atmel-hlcdc-display-controller atmel-hlcdc-dc: fb0:  frame buffer device
-  DSA ECDSA ED25519
-  Starting sshd: OK
-  Welcome to Buildroot 2017.02.1
-  buildroot login:
+[[NFS]]
+===== Test Application =====
+[[Test Application]]
+===== Device Driver API =====
+[[Device Driver API]]

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