I have been trying to make your code work from the Wio Terminal Read Write page and it wasn’t working.
This can be best illustrated by clearing the sfud_demo_test_buf in between the write and the read. I think the issue is the number on the following line.
sfud_qspi_fast_read_enable(sfud_get_device(SFUD_W25Q32_DEVICE_INDEX), 4);
it should be 2 and not 4 (no idea what it means though).
Also not sure that the following lines do anything meaningful:
#define SERIAL Serial
sfud_get_device_table() + 0;
The define hides a definition from the arduino library
And adding 0 does nothing.
Interestingly the code just fails silently. Hopefully this helps someone else. It took me two days to track it down. More docs on Seed Arduino SFUD may help…
Example code is SFUD Test
Sadly that did not work, it stopped working again… Any help appreciated.
lakshan
December 31, 2020, 3:49am
2
Hi @nealstep ,
Could you check whether your FS and SFUD libraries are updated to the latest versions?
Seeed_Arduino_FS
Seeed_Arduino_SFUD
When I run this demo , it works well actually.
Here’s the output on serial monitor:
Erase the flash data finish
Write the flash data finish
Read the flash data success.
Offset (h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
0x0 0 1 2 3 4 5 6 7 8 9 A B C D E F
0x10 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F
0x20 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F
0x30 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F
0x40 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
0x50 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F
0x60 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F
0x70 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F
0x80 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F
0x90 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F
0xA0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF
0xB0 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF
0xC0 C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF
0xD0 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF
0xE0 E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF
0xF0 F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF
0x100 0 1 2 3 4 5 6 7 8 9 A B C D E F
0x110 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F
0x120 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F
0x130 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F
0x140 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
0x150 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F
0x160 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F
0x170 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F
0x180 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F
0x190 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F
0x1A0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF
0x1B0 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF
0x1C0 C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF
0x1D0 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF
0x1E0 E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF
0x1F0 F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF
0x200 0 1 2 3 4 5 6 7 8 9 A B C D E F
0x210 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F
0x220 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F
0x230 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F
0x240 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
0x250 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F
0x260 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F
0x270 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F
0x280 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F
0x290 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F
0x2A0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF
0x2B0 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF
0x2C0 C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF
0x2D0 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF
0x2E0 E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF
0x2F0 F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF
0x300 0 1 2 3 4 5 6 7 8 9 A B C D E F
0x310 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F
0x320 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F
0x330 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F
0x340 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
0x350 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F
0x360 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F
0x370 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F
0x380 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F
0x390 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F
0x3A0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF
0x3B0 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF
0x3C0 C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF
0x3D0 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF
0x3E0 E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF
0x3F0 F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF
The flash test is success.
read costTime: 6 us
Regards,
Lakshantha
Hi @nealstep ,
You are correct.
It seems that:
sfud_qspi_fast_read_enable(sfud_get_device(SFUD_W25Q32_DEVICE_INDEX), 4);
should be:
sfud_qspi_fast_read_enable(sfud_get_device(SFUD_W25Q32_DEVICE_INDEX), 2);
This has been solved before if you check the examples inside the github repo of Seeed_Arduino_SFUD
This is the commit:
committed 01:14AM - 07 Jul 20 UTC
There may be some configuration errors that are causing only 2 lines to be used.
I will make this change to the demo inside the wiki document as well.
Thank you for pointing it out.
Best Regards,
Lakshantha