28335 in how to use the 3x3 keyboard dubbed routines, you can refer to, the development of the strip, but it is based on TI' s official website routines adaptation, good versatility

Ex07_ZQ28335_3x3_KEY
....................\00ic_3x3_KEY.C
....................\cc_build_Debug.log
....................\Debug
....................\Debug.lkf
....................\.....\00ic_3x3_KEY.obj
....................\.....\DSP2833x_ADC_cal.obj
....................\.....\DSP2833x_CodeStartBranch.obj
....................\.....\DSP2833x_DefaultIsr.obj
....................\.....\DSP2833x_GlobalVariableDefs.obj
....................\.....\DSP2833x_PieCtrl.obj
....................\.....\DSP2833x_PieVect.obj
....................\.....\DSP2833x_SysCtrl.obj
....................\.....\DSP2833x_usDelay.obj
....................\.....\ZQ28335_3x3_KEY.map
....................\.....\ZQ28335_3x3_KEY.out
....................\ZQ28335_3x3_KEY.CS_
....................\...................\FILE.CDX
....................\...................\FILE.DBF
....................\...................\FILE.FPT
....................\...................\SYMBOL.CDX
....................\...................\SYMBOL.DBF
....................\...................\SYMBOL.FPT
....................\ZQ28335_3x3_KEY.paf2
....................\ZQ28335_3x3_KEY.pjt
....................\ZQ28335_3x3_KEY.sbl

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