2.Create look up table.use const to store look up table in ROM for less latency.
3.Scale to real data function (for 12 bits DAC the max value is 4096)
2017年5月26日 星期五
NANO100: MCU Sine wave generator - using MCU DAC(Look up table with adjustable amplitude)
1.Generate sample point use octave.
3.Scale to real data function (for 12 bits DAC the max value is 4096)
3.Scale to real data function (for 12 bits DAC the max value is 4096)
2017年5月11日 星期四
nrf52 : Add CMSIS_DSP package in Keil 5
1.Open Manage Run-Time Environment and check the DSP
2.Include arm_math.h
and path in your project:Keil_v5\ARM\PACK\ARM\CMSIS\5.0.1\CMSIS\Include
3.Add symbol ARM_MATH_CM4 since nrf52832 use Cortex M4F
4.Simple matrix multiplication code
Ref:
1. CMSIS DSP Software Library
2.Include arm_math.h
and path in your project:Keil_v5\ARM\PACK\ARM\CMSIS\5.0.1\CMSIS\Include
3.Add symbol ARM_MATH_CM4 since nrf52832 use Cortex M4F
4.Simple matrix multiplication code
Ref:
1. CMSIS DSP Software Library
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