NFC is a fun technology, the most classic example seems to be the tap-and-share
functionality. Unfortunately, NFC is still pretty rare among phones and none of the more cheaper ones support NFC in any way. (Which is strange, Nokia had two S40 Series phones with NFC already in 2008)
But for the simple tap-and-share from NFC phone to non-NFC there is a very simple solution. Check out this video demonstrating NFC tap-and-share from a Nokia N9 to a Nokia 500.
Next post will explain how to do it.
Friday, May 31, 2013
Thursday, May 30, 2013
Making sense of the ST HRM2 protocol
Luckily it speaks standard BT SPP protocol so getting data out of it is easy. Making any sense of it then another thing. For starters, here is a dump of what the HRM sends out.
What I've found out for now, is this:
What I've found out for now, is this:
- Start of data block: 0xFA
- Next is a sequence number going up from 0x44 to 0x47
- Another sequence number going down from 0xBB to 0xB8
- 0x81
- 0x36
- ?
- ?
- ?
- ?
- Padding of 6,7,9 zeroes
- Two bytes, most likely somekind of checksum
3714# FA hex = -06 dec = 372 oct = _250__ 3715# 44 hex = 068 dec = 104 oct = _68__ 3716# BB hex = -69 dec = 273 oct = _187__ 3717# 81 hex = -127 dec = 201 oct = _129__ 3718# 36 hex = 054 dec = 066 oct = _54__ 3719# 45 hex = 069 dec = 105 oct = _69__ 3720# 32 hex = 050 dec = 062 oct = _50__ 3721# 84 hex = -124 dec = 204 oct = _132__ 3722# 50 hex = 080 dec = 120 oct = _80__ 3723# 00 hex = 000 dec = 000 oct = _0__ 3724# 00 hex = 000 dec = 000 oct = _0__ 3725# 00 hex = 000 dec = 000 oct = _0__ 3726# 00 hex = 000 dec = 000 oct = _0__ 3727# 00 hex = 000 dec = 000 oct = _0__ 3728# 00 hex = 000 dec = 000 oct = _0__ 3729# BB hex = -69 dec = 273 oct = _187__ 3730# 82 hex = -126 dec = 202 oct = _130__ 3731# FA hex = -06 dec = 372 oct = _250__ 3732# 45 hex = 069 dec = 105 oct = _69__ 3733# BA hex = -70 dec = 272 oct = _186__ 3734# 81 hex = -127 dec = 201 oct = _129__ 3735# 36 hex = 054 dec = 066 oct = _54__ 3736# 45 hex = 069 dec = 105 oct = _69__ 3737# 00 hex = 000 dec = 000 oct = _0__ 3738# 00 hex = 000 dec = 000 oct = _0__ 3739# 00 hex = 000 dec = 000 oct = _0__ 3740# 00 hex = 000 dec = 000 oct = _0__ 3741# 00 hex = 000 dec = 000 oct = _0__ 3742# 00 hex = 000 dec = 000 oct = _0__ 3743# 00 hex = 000 dec = 000 oct = _0__ 3744# 00 hex = 000 dec = 000 oct = _0__ 3745# 00 hex = 000 dec = 000 oct = _0__ 3746# 0C hex = 012 dec = 014 oct = _12__ 3747# 94 hex = -108 dec = 224 oct = _148__ 3748# FA hex = -06 dec = 372 oct = _250__ 3749# 46 hex = 070 dec = 106 oct = _70__ 3750# B9 hex = -71 dec = 271 oct = _185__ 3751# 81 hex = -127 dec = 201 oct = _129__ 3752# 36 hex = 054 dec = 066 oct = _54__ 3753# 45 hex = 069 dec = 105 oct = _69__ 3754# 48 hex = 072 dec = 110 oct = _72__ 3755# E1 hex = -31 dec = 341 oct = _225__ 3756# 33 hex = 051 dec = 063 oct = _51__ 3757# 00 hex = 000 dec = 000 oct = _0__ 3758# 00 hex = 000 dec = 000 oct = _0__ 3759# 00 hex = 000 dec = 000 oct = _0__ 3760# 00 hex = 000 dec = 000 oct = _0__ 3761# 00 hex = 000 dec = 000 oct = _0__ 3762# 00 hex = 000 dec = 000 oct = _0__ 3763# 48 hex = 072 dec = 110 oct = _72__ 3764# 08 hex = 008 dec = 010 oct = _8__ 3765# FA hex = -06 dec = 372 oct = _250__ 3766# 47 hex = 071 dec = 107 oct = _71__ 3767# B8 hex = -72 dec = 270 oct = _184__ 3768# 81 hex = -127 dec = 201 oct = _129__ 3769# 36 hex = 054 dec = 066 oct = _54__ 3770# 45 hex = 069 dec = 105 oct = _69__ 3771# 00 hex = 000 dec = 000 oct = _0__ 3772# 00 hex = 000 dec = 000 oct = _0__ 3773# 00 hex = 000 dec = 000 oct = _0__ 3774# 00 hex = 000 dec = 000 oct = _0__ 3775# 00 hex = 000 dec = 000 oct = _0__ 3776# 00 hex = 000 dec = 000 oct = _0__ 3777# 00 hex = 000 dec = 000 oct = _0__ 3778# 00 hex = 000 dec = 000 oct = _0__ 3779# 00 hex = 000 dec = 000 oct = _0__ 3780# 8C hex = -116 dec = 214 oct = _140__ 3781# 90 hex = -112 dec = 220 oct = _144__ 3782# FA hex = -06 dec = 372 oct = _250__ 3783# 44 hex = 068 dec = 104 oct = _68__ 3784# BB hex = -69 dec = 273 oct = _187__ 3785# 81 hex = -127 dec = 201 oct = _129__ 3786# 36 hex = 054 dec = 066 oct = _54__ 3787# 45 hex = 069 dec = 105 oct = _69__ 3788# 7F hex = 127 dec = 177 oct = _127__ 3789# 71 hex = 113 dec = 161 oct = _113__ 3790# 68 hex = 104 dec = 150 oct = _104__ 3791# 00 hex = 000 dec = 000 oct = _0__ 3792# 00 hex = 000 dec = 000 oct = _0__ 3793# 00 hex = 000 dec = 000 oct = _0__ 3794# 00 hex = 000 dec = 000 oct = _0__ 3795# 00 hex = 000 dec = 000 oct = _0__ 3796# 00 hex = 000 dec = 000 oct = _0__ 3797# 50 hex = 080 dec = 120 oct = _80__ 3798# 9D hex = -99 dec = 235 oct = _157__ 3799# FA hex = -06 dec = 372 oct = _250__ 3800# 45 hex = 069 dec = 105 oct = _69__ 3801# BA hex = -70 dec = 272 oct = _186__ 3802# 81 hex = -127 dec = 201 oct = _129__ 3803# 36 hex = 054 dec = 066 oct = _54__ 3804# 45 hex = 069 dec = 105 oct = _69__ 3805# 15 hex = 021 dec = 025 oct = _21__ 3806# 50 hex = 080 dec = 120 oct = _80__ 3807# 00 hex = 000 dec = 000 oct = _0__ 3808# 00 hex = 000 dec = 000 oct = _0__ 3809# 00 hex = 000 dec = 000 oct = _0__ 3810# 00 hex = 000 dec = 000 oct = _0__ 3811# 00 hex = 000 dec = 000 oct = _0__ 3812# 00 hex = 000 dec = 000 oct = _0__ 3813# 00 hex = 000 dec = 000 oct = _0__ 3814# A0 hex = -96 dec = 240 oct = _160__ 3815# 63 hex = 099 dec = 143 oct = _99__ 3816# FA hex = -06 dec = 372 oct = _250__ 3817# 46 hex = 070 dec = 106 oct = _70__ 3818# B9 hex = -71 dec = 271 oct = _185__ 3819# 81 hex = -127 dec = 201 oct = _129__ 3820# 36 hex = 054 dec = 066 oct = _54__ 3821# 45 hex = 069 dec = 105 oct = _69__ 3822# 7A hex = 122 dec = 172 oct = _122__ 3823# 60 hex = 096 dec = 140 oct = _96__ 3824# 00 hex = 000 dec = 000 oct = _0__ 3825# 00 hex = 000 dec = 000 oct = _0__ 3826# 00 hex = 000 dec = 000 oct = _0__ 3827# 00 hex = 000 dec = 000 oct = _0__ 3828# 00 hex = 000 dec = 000 oct = _0__ 3829# 00 hex = 000 dec = 000 oct = _0__ 3830# 00 hex = 000 dec = 000 oct = _0__ 3831# 86 hex = -122 dec = 206 oct = _134__ 3832# 8F hex = -113 dec = 217 oct = _143__ 3833# FA hex = -06 dec = 372 oct = _250__ 3834# 47 hex = 071 dec = 107 oct = _71__ 3835# B8 hex = -72 dec = 270 oct = _184__ 3836# 81 hex = -127 dec = 201 oct = _129__ 3837# 36 hex = 054 dec = 066 oct = _54__ 3838# 42 hex = 066 dec = 102 oct = _66__ 3839# 2A hex = 042 dec = 052 oct = _42__ 3840# 92 hex = -110 dec = 222 oct = _146__ 3841# 94 hex = -108 dec = 224 oct = _148__ 3842# 00 hex = 000 dec = 000 oct = _0__ 3843# 00 hex = 000 dec = 000 oct = _0__ 3844# 00 hex = 000 dec = 000 oct = _0__ 3845# 00 hex = 000 dec = 000 oct = _0__ 3846# 00 hex = 000 dec = 000 oct = _0__ 3847# 00 hex = 000 dec = 000 oct = _0__ 3848# 4B hex = 075 dec = 113 oct = _75__ 3849# 9B hex = -101 dec = 233 oct = _155__ 3850# FA hex = -06 dec = 372 oct = _250__ 3851# 44 hex = 068 dec = 104 oct = _68__ 3852# BB hex = -69 dec = 273 oct = _187__ 3853# 81 hex = -127 dec = 201 oct = _129__ 3854# 36 hex = 054 dec = 066 oct = _54__ 3855# 42 hex = 066 dec = 102 oct = _66__ 3856# 19 hex = 025 dec = 031 oct = _25__ 3857# 13 hex = 019 dec = 023 oct = _19__ 3858# 6E hex = 110 dec = 156 oct = _110__ 3859# 00 hex = 000 dec = 000 oct = _0__ 3860# 00 hex = 000 dec = 000 oct = _0__ 3861# 00 hex = 000 dec = 000 oct = _0__ 3862# 00 hex = 000 dec = 000 oct = _0__ 3863# 00 hex = 000 dec = 000 oct = _0__ 3864# 00 hex = 000 dec = 000 oct = _0__ 3865# D9 hex = -39 dec = 331 oct = _217__ 3866# 4E hex = 078 dec = 116 oct = _78__ 3867# FA hex = -06 dec = 372 oct = _250__ 3868# 45 hex = 069 dec = 105 oct = _69__ 3869# BA hex = -70 dec = 272 oct = _186__ 3870# 81 hex = -127 dec = 201 oct = _129__ 3871# 36 hex = 054 dec = 066 oct = _54__ 3872# 41 hex = 065 dec = 101 oct = _65__ 3873# 2C hex = 044 dec = 054 oct = _44__ 3874# D2 hex = -46 dec = 322 oct = _210__ 3875# E2 hex = -30 dec = 342 oct = _226__ 3876# 00 hex = 000 dec = 000 oct = _0__ 3877# 00 hex = 000 dec = 000 oct = _0__ 3878# 00 hex = 000 dec = 000 oct = _0__ 3879# 00 hex = 000 dec = 000 oct = _0__ 3880# 00 hex = 000 dec = 000 oct = _0__ 3881# 00 hex = 000 dec = 000 oct = _0__ 3882# 93 hex = -109 dec = 223 oct = _147__ 3883# 57 hex = 087 dec = 127 oct = _87__
Monday, May 20, 2013
Jolla is out
This is Monday to look forward to!
Jolla unveiled their phone just a couple of minutes ago and it looks good, really good. The specs seem to be a bit preliminary still, no real details, but dual-core, 4.5" display, 8MP auto-focus camera, 16MB of storage + microSD slot.
And The Other Half, a back cover that the user can change to customize, not only the device, but the whole interface will adjust itself to the backcover color.
The device will be available in the end of 2013 and Jolla is taking pre-orders Right Now, you can select between 100€ (Limited edition, priority pre-order, T-shirt, 100€ voucher and exclusive Other Half), 40€ (Limited edition, priority pre-order, T-shirt) or 0€ (pre-order only). Obviously you know which one to select, I give you a hint, it starts with one and then two zeros.
Oh, and start developing now, Sailfish SDK is available.
Jolla unveiled their phone just a couple of minutes ago and it looks good, really good. The specs seem to be a bit preliminary still, no real details, but dual-core, 4.5" display, 8MP auto-focus camera, 16MB of storage + microSD slot.
And The Other Half, a back cover that the user can change to customize, not only the device, but the whole interface will adjust itself to the backcover color.
Join the Tribe
The device will be available in the end of 2013 and Jolla is taking pre-orders Right Now, you can select between 100€ (Limited edition, priority pre-order, T-shirt, 100€ voucher and exclusive Other Half), 40€ (Limited edition, priority pre-order, T-shirt) or 0€ (pre-order only). Obviously you know which one to select, I give you a hint, it starts with one and then two zeros.
Oh, and start developing now, Sailfish SDK is available.
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