summaryrefslogtreecommitdiff
path: root/recipes-bsp/multitech/mts-io/mts-io.mtcap.init
blob: da9e12678c44553097686f711cc74dff8b1e1d97 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
#!/bin/bash


sysdir=/sys/devices/platform/mts-io
setwificap() {
  WIFICAP=0
  if  [[ -f ${sysdir}/capability/wifi ]] && (($(cat ${sysdir}/capability/wifi) == 1)) ; then
    WIFICAP=1
  fi
}

lora_init() {
  # reset lora chip
  mts-io-sysfs store lora/reset 1
  mts-io-sysfs store lora/reset 0
  usleep 100000
  mts-io-sysfs store lora/reset 1
}

eth_init() {
  # reset eth phy
  mts-io-sysfs store eth-reset 1
  mts-io-sysfs store eth-reset 0
  usleep 100000
  mts-io-sysfs store eth-reset 1
}

# Normal state when powered up
wifi_init1() {
  (($WIFICAP)) || return 0
  # reset wlan
  mts-io-sysfs store wlan-rst 0
  # disable wlan
  mts-io-sysfs store wlan-en 0
}
  
wifi_init2() {
  (($WIFICAP)) || return 0
  mts-io-sysfs store wlan-en 1
  usleep 30000  # 30mS according to WILC1000 spec.
  mts-io-sysfs store wlan-rst 1
}


cell_init() {
  # remove /dev/modem_at[0,1] symlinks
  rm -f /dev/modem_at[0,1]

  if [ -w /sys/devices/platform/mts-io/radio-power ] ; then
    # power down the cellular chip gracefully
    mts-io-sysfs store radio-power 0
    # power up the cellular chip
    mts-io-sysfs store radio-power 1
  fi
}

start_lora_led_updater() {
  lora-led-updater &
}

case $1 in
  start)
    echo "Loading mts-io module"
    modprobe -r atmel_mci
    modprobe mts_io
    setwificap
    wifi_init1
    lora_init
    eth_init
    cell_init &
    start_lora_led_updater
    wifi_init2
    modprobe atmel_mci
    (($WIFICAP)) && modprobe wilc1000
    (($WIFICAP)) && modprobe wilc1000-sdio
    ;;

  stop)
    echo "Unloading mts-io module"
    wifi_init1  # Power down wifi
    modprobe -r wilc1000 >/dev/null 2>&1
    modprobe -r wilc1000-sdio >/dev/null 2>&1
    modprobe -r mts_io >/dev/null 2>&1
    ;;

  *)
    echo "Usage: $0 {start|stop}"
    exit 2
    ;;
esac