| 1 | #!/bin/bash |
| 2 | |
| 3 | _usage() |
| 4 | { |
| 5 | echo "Usage: $0 /path/to/firmware.hex" |
| 6 | } |
| 7 | |
| 8 | _check_bootloader_device() |
| 9 | { |
| 10 | cec_adapter=`lsusb | grep "03eb:2ffa" | wc -l` |
| 11 | if [ $cec_adapter -eq 0 ]; then |
| 12 | _enter_bootloader |
| 13 | cec_adapter=`lsusb | grep "03eb:2ffa" | wc -l` |
| 14 | fi |
| 15 | |
| 16 | if [ $cec_adapter -eq 0 ]; then |
| 17 | echo "ERROR: failed to find any CEC adapter in bootloader mode" |
| 18 | return 1 |
| 19 | fi |
| 20 | |
| 21 | return 0 |
| 22 | } |
| 23 | |
| 24 | _enter_bootloader() |
| 25 | { |
| 26 | echo "Instructing the CEC adapter to enter bootloader mode" |
| 27 | cec_adapter=`lsusb | grep "2548:1001" | wc -l` |
| 28 | if [ $cec_adapter -gt 0 ]; then |
| 29 | echo "bl" | cec-client -s -d 2 |
| 30 | echo "Waiting for the device to reinitialise" |
| 31 | sleep 5 |
| 32 | fi |
| 33 | } |
| 34 | |
| 35 | _flash() |
| 36 | { |
| 37 | file=$1 |
| 38 | |
| 39 | if [ ! -f "$file" ]; then |
| 40 | echo "ERROR: firmware file '$file' does not exist" |
| 41 | exit 1 |
| 42 | fi |
| 43 | |
| 44 | cat << EOB |
| 45 | Flash '$file' onto the CEC adapter |
| 46 | |
| 47 | DISCONNECT THE HDMI CABLES BEFORE STARTING AND |
| 48 | DO NOT POWER OFF OR DISCONNECT THE DEVICE WHILE THIS OPERATION IS IN PROGRESS! |
| 49 | |
| 50 | |
| 51 | Are you sure you want to flash '$file' onto the CEC adapter? |
| 52 | Type 'do it!' if you're sure. Anything else will cancel the operation. |
| 53 | |
| 54 | EOB |
| 55 | read confirmation |
| 56 | if [ ! "$confirmation" == "do it!" ]; then |
| 57 | echo "Exiting" |
| 58 | exit 0 |
| 59 | fi |
| 60 | |
| 61 | _prereq |
| 62 | if [ $? -eq 1 ]; then |
| 63 | exit 1 |
| 64 | fi |
| 65 | |
| 66 | _check_bootloader_device |
| 67 | if [ $? -eq 1 ]; then |
| 68 | exit 1 |
| 69 | fi |
| 70 | |
| 71 | |
| 72 | echo "Erasing the previous firmware" |
| 73 | sudo dfu-programmer at90usb162 erase |
| 74 | |
| 75 | echo "Flashing the new firmware" |
| 76 | sudo dfu-programmer at90usb162 flash "$file" |
| 77 | |
| 78 | cat << EOB |
| 79 | |
| 80 | =============================================================================== |
| 81 | |
| 82 | Done! |
| 83 | |
| 84 | Remove the USB cable from the device and reconnect it to use the new firmware. |
| 85 | |
| 86 | EOB |
| 87 | exit 0 |
| 88 | } |
| 89 | |
| 90 | _prereq() |
| 91 | { |
| 92 | programmer=`which dfu-programmer` |
| 93 | if [ -z "$programmer" ]; then |
| 94 | echo "dfu-programmer was not found in your path, installing" |
| 95 | sudo apt-get install -y dfu-programmer |
| 96 | fi |
| 97 | |
| 98 | programmer=`which dfu-programmer` |
| 99 | if [ -z "$programmer" ]; then |
| 100 | echo "ERROR: failed to find dfu-programmer" |
| 101 | return 1 |
| 102 | fi |
| 103 | return 0 |
| 104 | } |
| 105 | |
| 106 | |
| 107 | cat << EOB |
| 108 | =============================================================================== |
| 109 | Pulse-Eight CEC Adapter firmware flash tool |
| 110 | =============================================================================== |
| 111 | |
| 112 | EOB |
| 113 | |
| 114 | if [ -z "$1" ]; then |
| 115 | _usage |
| 116 | else |
| 117 | _flash $1 |
| 118 | fi |
| 119 | |
| 120 | exit 0 |