DA14580

Problem booting DA14580 from SPI master

Mon, 2015-09-28 16:11--gleon
Forums:
Dialog Smartbond Bluetooth Low Energy – Software

Hello,

I am currently trying to load a BLE application to DA14580 from a SPI master but the code is not running. I have checked the SPI master receives 0xAA and 0x02 ACK at the end of the code download and I have been able to download a simple blinky program with the same method. Also when downloading the program using serial wire the code runs perfectly. Is there any reason why the same code is not running depending on if it is downloaded via SPI or SW? Is there any maximum code size for SPI booting?

I hope you can help me with my problem.

当芯片从睡眠模式唤醒时，如何再次通过jlink调试？

周一，2015-09-28 08:31--wzh16622
Forums:
Dialog Smartbond Bluetooth Low Energy – Software

I set the chip into the extended sleep mode, and then can't debug via the KEIL and jlink. It's correct. But the chip wake up from the sleep mode ,and use the function SetBits(SYS_CTRL_REG, DEBUGGER_ENABLE, 1); it still can't debug via the KEIL and jlink, and give me an error "No Cortex-M SW Device Found". That's why? The debug block can recover from the sleep mode? Thanks a lot.

BUG REPORT multi periodic app_easy_timer callback bug

Mon, 2015-09-28 04:35--toughworld
Forums:
Dialog Smartbond Bluetooth Low Energy – Software

I have 3 Timer declared by app_easy_time.one is periodic by one second , the second one is called in some occasion, the last one is call evey 30 second at random time.
With this three timer,the second timer callback is called not correctly ocassionly .I believe it is called by the first periodic timer.
If i use only the first two timer ,eveything seems ok.

update: some simplified code ilustrting my timer setup,the wrongly triggerd hanler problem was my fault,but another problem occurs.

当芯片从扩展睡眠唤醒时，它开始宣传，但I2C不起作用。

Mon, 2015-09-28 03:18--wzh16622
Forums:
Dialog Smartbond Bluetooth Low Energy – Software

I make the DA14580 into extended sleep, the BLE stop advertising. When I use WAKEUP TIMER driver to wake up the system via the button(I have add the periph_init()), and it start to advertising. The smartphone can use the APP to connect to the chip, and communicate(The chip can return the data, which sent from the smartphone APP, to the smartphone.).But when I send the command to make the chip to read the senser via the I2C, it doesn't work. I missed some important details? Thanks a lot.

about the antenna design

Sat, 2015-09-26 01:47--zhougaoxiang
Forums:
Dialog Smartbond Bluetooth Low Energy – Hardware (device & reference designs)

Hi, can anyone help me figure out the question below.
I am reading the application note AN-B-027, there are 4 types of antennas on it, 3 of which are for multiple layer and the other 1 is for single layer. My question is the antenna for single layer board, Can I add a ground plane on the bottom layer? Will this make my board be 2 layer board,then I cannot use single layer antenna example?

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