Search found 91 matches

by 9chuckyoung
17 Apr 2020, 14:07
Forum: Nuvoton Arm9
Topic: [N9H26 Non-OS] How to set SPU audio volume or sampling rate?
Replies: 0
Views: 2423

[N9H26 Non-OS] How to set SPU audio volume or sampling rate?

/* set SPU volume and sampling rate */ // // in AVI player, firmware will set sampling rate automatically // spuOpen(eDRVSPU_FREQ_44100); // // max: 100 // spuIoctl(SPU_IOCTL_SET_VOLUME, 100, 100); SPU sample code is in BSP: \N9H26_emWin_NonOS-master\BSP\SampleCode\SPU AVI sample code is in BSP: \N...
by 9chuckyoung
16 Apr 2020, 21:27
Forum: Nuvoton HMI/GUI
Topic: [N9H30 Non-OS] Decode jpeg from NAND flash (YAFFS2)
Replies: 0
Views: 3458

[N9H30 Non-OS] Decode jpeg from NAND flash (YAFFS2)

Platform: N9H30K4 with 5" LCD Platform resource link: https://www.nuvoton.com/hq/products/application-specific-socs/hmi-emwin-mpus/?__locale=en BSP link: https://github.com/OpenNuvoton/N9H30_emWin_NonOS BSP contains tool and BSP sample pre-built binaries: https://www.nuvoton.com/products/microproces...
by 9chuckyoung
15 Apr 2020, 15:49
Forum: Nuvoton Arm9
Topic: [N9H2x Non-OS] SD supporting
Replies: 0
Views: 2467

[N9H2x Non-OS] SD supporting

Q: Is there any support for N9H2x SD specification? A: SD spec v2.0. SDHC up to 32GB. Toshiba 256 SDXC basic read /writer OK. But no special commands support. Q: What's the compatibility? A: You can find the pdf file in N9H2x BSP https://github.com/OpenNuvoton/N9H20_emWin_NonOS \N9H20_emWin_NonOS-ma...
by 9chuckyoung
15 Apr 2020, 09:23
Forum: Nuvoton Arm9
Topic: [N9H30 Non-OS] Where is the latest BSP?
Replies: 0
Views: 2508

[N9H30 Non-OS] Where is the latest BSP?

Nuvoton website: https://www.nuvoton.com/products/application-specific-socs/hmi-emwin-mpus/-n9h-series/?group=Software&tab=2 or GitHub / OpenNuvoton: https://github.com/OpenNuvoton/N9H30_emWin_NonOS Note: Nuvoton website's BSP contained USB driver and pre-built emWin and loader binaries and document...
by 9chuckyoung
14 Apr 2020, 11:44
Forum: Nuvoton Arm9
Topic: [N9H26 Non-OS] AVI play with SPK
Replies: 0
Views: 2271

[N9H26 Non-OS] AVI play with SPK

Q: Why play video (MJPEG + MP3) but has no sound? A: N9H26 didn't support MP3 decoder. Q: Why play video (MJPEG + IMA-ADPCM) but has no sound? A: N9H26 utilizes ISD8101 for speaker out. Please pull high GPA0 to enable ISD8101. (As attached file, password is nuvoton) include "N9H26_GPIO.lib" to your ...
by 9chuckyoung
09 Apr 2020, 15:20
Forum: Nuvoton Arm9
Topic: [N9H30 Non-OS] YAFFS2 file-system for NAND flash
Replies: 0
Views: 2367

[N9H30 Non-OS] YAFFS2 file-system for NAND flash

Q: In N9H2x, we have NVTFAT a FAT file-system, how about N9h30? A: In N9H30, we changed from NVTFAT to well-known open source file-system to manage NAND flash bad block. It called yaffs2, the sample path is in \BSP\SampleCode\NAND_Yaffs2. You can mount, open, create, read, write or remove file or di...
by 9chuckyoung
08 Apr 2020, 16:16
Forum: Nuvoton Arm9
Topic: [N9H30 Non-OS] Fix NAND booting stop when using uboot
Replies: 0
Views: 2203

[N9H30 Non-OS] Fix NAND booting stop when using uboot

check env.txt for NAND flash.

Code: Select all

// Wrong
bootdelay=0
bootcmd=nand read 0x0 0x00200000 0x00100000 \\;go 0x0

Code: Select all

// Right
bootdelay=0
bootcmd=nand read 0x0 0x00200000 0x00700000\;go 0x0
0x00200000 is start address
0x00100000 is app binary size
by 9chuckyoung
08 Apr 2020, 15:17
Forum: Nuvoton Arm9
Topic: [N9H26 Non-OS] How to set GPIO interrup?
Replies: 0
Views: 2132

[N9H26 Non-OS] How to set GPIO interrup?

The attached file is for GPG7 interrupt sample code. (password is nuvoton

Note: GPG port is analog pin, needs to configure to digital pin.
by 9chuckyoung
08 Apr 2020, 11:31
Forum: Nuvoton Arm9
Topic: [N9H30 Non-OS] How to use NuWriter for NAND flash?
Replies: 0
Views: 2348

[N9H30 Non-OS] How to use NuWriter for NAND flash?

Please follow the steps as attached pdf. (password is nuvoton
by 9chuckyoung
08 Apr 2020, 10:38
Forum: Nuvoton Arm9
Topic: Nuvoton RDK N9H30 touch panel sensitivity problem
Replies: 1
Views: 2444

Re: Nuvoton RDK N9H30 touch panel sensitivity problem

1. try to download the latest N9H30 Non-OS BSP from Nuvoton website https://www.nuvoton.com/products/applic ... ware&tab=2
or from GitHub OpenNuvoton https://github.com/OpenNuvoton/N9H30_emWin_NonOS.

2. use NK-N9H30 or NK-N9H2x series instead.