Upload prints to finger module

[danbicks]

Hi Brian been a long time. I am revisiting an old project and have the R503 reader types. Your library is excellent and all of my old code ported over fine.

Currently I have stored all the finger prints from the module to SD card in separate files, all looks good I can read these all back and the data is the same as downloaded. Total byte size is 1536 per finger print.

I want to now load these back in to a blank R503 Reader, can you tell me the functions I need to call in order to achieve this in your library please.

e.g: (1) Load template in to buffer (2) Call store model and define slot ID etc

This is an example of the first finger bytes loaded from the array. `Template 1 loaded Printing template:

2 5 99 5B 8B 2E A3 0 84 9B 9 9B 0 7E A 1F 55 45 3F C6 2A D6 F1 4F F1 F0 FD EC 53 FC 86 72 97 14 FF 27 47 E0 85 3F CC 47 B9 11 4F F3 63 A2 A0 53 FC DC BB 96 14 FF 39 94 2F 85 3F FF 8E 8B 10 5B 0 84 88 F 86 41 AF 5 9D D4 45 1A 4 8B 16 31 46 41 C4 A5 E0 52 2C 72 47 75 14 5F 20 20 A2 85 12 4A 2 4B 41 46 A2 B8 5E 90 52 24 B0 8F 83 14 4D 2D 3E A6 5 1A 8B ED 18 C1 45 93 50 7A EC 51 B8 DA 68 B2 14 50 3F C 68 85 1A D4 AF B9 B1 48 85 A0 63 20 52 3F 8E 8B B0 C3 0 84 DA 16 D9 F6 AE 10 4F C 85 1B 86 B4 11 E1 45 F1 C3 13 DC 51 54 78 4D CF 14 6F 27 A2 38 45 13 8A 72 51 B1 43 E2 A3 98 A4 51 8 D7 42 4C 14 3F 37 35 C2 48 4F CF 83 6B 51 46 4 23 F9 38 50 F9 12 E5 A 14 3E 45 D5 D0 85 13 51 8E A5 81 43 F4 64 24 F8 51 5D 1D 2E 5F 14 43 4D 22 28 C5 12 93 8A C3 31 44 D4 E8 A2 6C 51 A5 40 FD 48 14 3F 51 B8 9B 5 12 55 4A A8 41 44 9F 8E 8B B2 CB 0 84 DA 13 DA 20 B2 D BE C3 85 21 47 33 23 21 46 D2 6C CC 78 51 6C 9E B8 F5 14 50 28 90 75 C5 1C C A7 AD F1 45 13 63 60 A4 51 C D9 19 1D 14 3D 41 CD 13 5 12 50 AC 90 91 B4 44 90 9A DC 51 A5 36 EC 52 14 54 4F B4 40 85 14 14 54 73 E1 45 75 23 DD 8 51 65 4C DA 58 14 5B 53 C7 97 C5 15 16 47 6A D1 46 75 AA 68 54 51 6F 8E 8B 73 E3 0 84 B7 10 B6 4A B2 12 B5 44 5 21 8 50 C3 21 46 C2 BC 44 78 51 68 B2 94 F7 14 51 2D 87 75 C5 1E 8D E5 6E 11 46 3 AA F8 90 50 FC EA F3 1D 14 3D 47 44 93 5 12 D1 EA 50 91 44 45 33 31 40 51 CD 52 B1 6 14 70 56 48 D0 85 1B 15 AD 54 1 47 A5 7B F1 7C 51 A1 60 B8 42 14 75 8E 8B B6 DB 0 84 DB 14 DB C7 76 E BF C3 85 21 47 93 83 41 46 D2 7C D4 88 51 74 A2 BC F7 14 50 29 90 F5 45 1B 8C E7 EE 31 44 F3 73 70 AC 51 8 DD 1B 1F 14 3C 42 CD 93 85 12 10 CC B0 51 D4 54 90 AA E4 51 8D 3C F0 50 14 55 50 B5 C1 85 15 94 AF 94 1 45 A5 2D 25 8 51 5D 4E DC 58 14 5A 54 48 18 45 15 16 47 8B 11 46 25 A0 62 8C 51 DD 6C 9C 13 14 57 8E 8B B2 DB 0 84 D4 18 D5 17 B5 7 CD C7 5 18 2 B 8F 71 45 90 91 7 4C 51 CC 4E 7C E3 14 56 16 38 89 85 10 85 B1 91 D1 44 22 2C D1 38 51 10 8E C9 9 1F 43 29 A AD C5 18 8B CE E5 1 44 C3 B 44 18 51 2C C9 45 42 14 49 32 BD D0 5 14 4D D A5 81 44 83 44 71 7C 51 8 E6 76 A7 14 41 3A 6 27 45 18 8F 8A 67 1 44 64 1D C9 C0 51 9D 8 96 80 14 48 52 CB 1E 5 14 55 9 97 31 46 35 72 1D 58 51 99 62 A9 88 14 6A 8E A6 C1 47 45 5 C9 EC 51 81 44 FC C3 14 5D 51 AD C5 C5 16 95 71 EA 61 46 5F 8E 74 75 19 AC 51 ED 1E 44 84 14 61 4A 47 9B 5 1B 16 4D A7 81 46 85 99 1D BC 51 E7 8E 1D 5C C5 1B 3F 8E F3 55 80 51 AB 8E 8E 0 0 7B D 21 5 3A E7 7A 58 58 8A AB 22 3E 8E 40 8A 57 15 3D 7C 20 A C7 16 40 86 CC A 4E 1D 3F 6E 4 8B B5 1D 3E 27 78 8A 97 14 3F 36 4 8B A2 14 40 4C 70 89 7B 24 3E 80 CC 9 CD 16 3F 70 0 A 52 1B 40 6B 8 A AB 1D 3E 74 34 A 4F 1E 4C 9E 74 A C8 22 3F 53 C4 8A 3B 20 42 6B 88 B B7 14 4D 60 CC B 41 14 57 4 84 8A 20 14 4C 19 8C 89 82 14 46 22 10 89 76 14 4A 7A A0 1 63 1D 3F 5D 90 81 41 14 41 63 60 1 6A 14 42 39 FC B AF 14 68 AE 60 9 65 14 45 C1 1C A 65 14 41 6E D8 88 E3 14 49 90 98 88 88 14 5F C4 20 89 66 14 57 A3 9C 8 7A 14 64 72 50 88 B2 14 5C 3 6C 81 89 14 5C 24 4 0 5E 14 71 3 A4 1 78 14 5F D2 4C 8A 5C 14 4B EB 94 81 D9 14 65 4A 20 C B3 14 6C 1A 58 89 7C 14 4D 1 E4 1 7D 14 53 B7 28 C C3 14 57 D6 C8 A D3 14 4F 8B 0 8D BE 14 73 EB 14 A D9 14 5D F4 54 3 5D 14 66 5F 38 C B6 14 5D D6 E8 8B CD 14 66 B3 14 85 C5 14 80 1F 74 8B 33 14 50 49 FC 89 8B 24 3D 11 34 2 91 14 3F C3 10 8D C9 14 86 F7 5C C D4 14 88 BB E8 2 88 14 4F DD 8 8D CF 14 8F B2 1C 81 73 14 51 ED D8 9 E7 14 6B 4A 5C 8A 95 25 40 C 35 4 DD 14 8A 27 10 8B 9F 14 49 7E 10 8B 9F 14 4B 3C 10 84 3D 14 69 7E FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

1536 bytes read.`

Not sure if I can reduce this array size settings for this that work are:

define BUFF_SZ 36864UL //768 // R305 BUFFER SIZE ELSE 512 STANDARD

uint8_t template_buffer[BUFF_SZ];

Cool project, really having some fun with this. Any pointers will be brilliant. Huge thanks Dans

[danbicks]

Hi Brian, you can close this I have worked it out and have it operational :) Big thanks Dans

[brianrho]

Hi Dan, glad to hear you've got it working. Just in case, move_template() in the templates example will probably help here if you need to confirm steps. Good luck :-)

[danbicks]

move_template() has all the answers :) Ty

[danbicks]

Out of curiosity 1536 bytes is the template payload it seems. Are there any pointers on how I can display to an actual tft the fingerprint images based on the array data. Would be a really nice addition. I am using the tft_eSPI library. Have you experimented with images recreation on tft displays before?

[brianrho]

Yeah, I did this once, some years back. Once you have a way to read the image from the sensor (from the examples), you can potentially write said image to a display simultaneously.

As usual, It will take a few seconds though, to read the image from the sensor since the UART transport isn't the fastest. Keep in mind, what you have there is the template size, not the image size which is usually much greater at ~37 kB for 256x288 "4-bit" grayscale, depending on your sensor. You can't get any sort of image from the template data alone, since that would require interpreting it -- completely infeasible without info from the manufacturer who won't be telling you anything. And I'm not sure even they can get a useful image from the template, being a condensed record of your fingerprint's relevant characteristics.

[brianrho]

Have you experimented with images recreation on tft displays before?

Just to update this issue -- finally added an example for this (image_to_tft).