Ref:
Nano100 Series Technical Reference Manual
2017年6月11日 星期日
NANO100:Using data flash without the external 12M HZ crystal.
The data flash start address is set by register so it need a reset after update the address, but in default it will use the external 12M HZ crystal.It's need to modify the CFOSC .
Modify the \SampleCode\StdDriver\FMC_RW set_data_flash_base() function
Ref:
Nano100 Series Technical Reference Manual
Ref:
Nano100 Series Technical Reference Manual
NANO100:Enable printf use Nu-Link to send massage
1.Add #define DEBUG_ENABLE_SEMIHOST in Library\StdDriver\src\retarget.c .
2.Start Keil C IDE debug session and enable the View\Serial Windows\UART #1.
3. Now you can see the printf massage in Keil C IDE.
Ref:
2. Semihosting
2017年6月7日 星期三
Octave: Modulation Sine Wave use PWM generate look up table for MCU DAC.
Input the target sample frequency ,sample bits and sample frequency.Generate the duty of PWM(percentage).
Code:
Avoid the negative part cause normally MCU didn't have negative voltage output ability.
Ref:
1.http://bugworkshop.blogspot.tw/2011/04/blog-post_12.html
Code:
Avoid the negative part cause normally MCU didn't have negative voltage output ability.
Ref:
1.http://bugworkshop.blogspot.tw/2011/04/blog-post_12.html
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