程序轮廓如下:
#include "DSP2833x_Device.h"
#include "DSP2833x_Examples.h"
#include "math.h"
。
。
。
。
void main(void)
[
。
。
。
InitSysCtrl();
// InitXintf();
InitGpio();////it is important
InitXintf16Gpio();
EALLOW;
SysCtrlRegs.HISPCP.all=ADC_MODCLK;////////clock preset for ADC clock
EDIS;
DINT;
InitPieCtrl();
IER=0x0000;
IFR=0x0000;
InitPieVectTable();
memcpy(&RamfuncsRunStart,&RamfuncsLoadStart,(&RamfuncsLoadEnd - &RamfuncsLoadStart));
InitFlash();
。
。
。
AdcRegs.ADCTRL2.all=0x2000;
for (;;)
[
while(AdcRegs.ADCST.bit.INT_SEQ1==0)
[]
AdcRegs.ADCST.bit.INT_SEQ1_CLR=1;
SampleTable[array_index++]=((AdcRegs.ADCRESULT0)>>4);
DELAY_US(sr_tl);////the sample rate is 250hz
if (array_index>=ls)
[
。
。
。
]
]
]
F28335的cmd文件:
MEMORY
[
PAGE 0: /* Program Memory */
/* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE1 for data allocation */
RAML0 : origin = 0x008000, length = 0x001000 /* on-chip RAM block L0 */
FLASHH : origin = 0x300000, length = 0x008000 /* on-chip FLASH */
FLASHG : origin = 0x308000, length = 0x008000 /* on-chip FLASH */
FLASHF : origin = 0x310000, length = 0x008000 /* on-chip FLASH */
FLASHD : origin = 0x320000, length = 0x008000 /* on-chip FLASH */
FLASHC : origin = 0x328000, length = 0x008000 /* on-chip FLASH */
FLASHB : origin = 0x330000, length = 0x008000 /* on-chip FLASH */
FLASHA : origin = 0x338000, length = 0x007F80 /* on-chip FLASH */
CSM_RSVD : origin = 0x33FF80, length = 0x000076 /* Part of FLASHA. Program with all 0x0000 when CSM is in use. */
BEGIN : origin = 0x33FFF6, length = 0x000002 /* Part of FLASHA. Used for "boot to Flash" bootloader mode. */
CSM_PWL : origin = 0x33FFF8, length = 0x000008 /* Part of FLASHA. CSM password locations in FLASHA */
OTP : origin = 0x380400, length = 0x000400 /* on-chip OTP */
ADC_CAL : origin = 0x380080, length = 0x000009 /* ADC_cal function in Reserved memory */
IQTABLES : origin = 0x3FE000, length = 0x000b50 /* IQ Math Tables in Boot ROM */
IQTABLES2 : origin = 0x3FEB50, length = 0x00008c /* IQ Math Tables in Boot ROM */
FPUTABLES : origin = 0x3FEBDC, length = 0x0006A0 /* FPU Tables in Boot ROM */
ROM : origin = 0x3FF27C, length = 0x000D44 /* Boot ROM */
RESET : origin = 0x3FA000, length = 0x000002 /* part of boot ROM */
VECTORS : origin = 0x3FFFC2, length = 0x00003E /* part of boot ROM */
PAGE 1 : /* Data Memory */
/* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE0 for program allocation */
/* Registers remain on PAGE1 */
BOOT_RSVD : origin = 0x000000, length = 0x000050 /* Part of M0, BOOT rom will use this for stack */
RAMM0 : origin = 0x000050, length = 0x0003B0 /* on-chip RAM block M0 */
RAMM1 : origin = 0x000400, length = 0x000400 /* on-chip RAM block M1 */
ZONE7 : origin = 0x200000, length = 0x002000
RAMM2 : origin = 0x009000, length = 0x007000 /* on-chip RAM block L1 */
FLASHE : origin = 0x318000, length = 0x008000 /* on-chip FLASH */
]
/* Allocate sections to memory blocks.
Note:
codestart user defined section in DSP28_CodeStartBranch.asm used to redirect code
execution when booting to flash
ramfuncs user defined section to store functions that will be copied from Flash into RAM
*/
SECTIONS
[
/* Allocate program areas: */
.cinit : > FLASHB PAGE = 0
.pinit : > FLASHB, PAGE = 0
.text : > FLASHB PAGE = 0
codestart : > BEGIN PAGE = 0
ramfuncs : LOAD = FLASHD,
RUN = RAML0,
LOAD_START(_RamfuncsLoadStart),
LOAD_END(_RamfuncsLoadEnd),
RUN_START(_RamfuncsRunStart),
PAGE=0
csmpasswds : > CSM_PWL PAGE = 0
csm_rsvd : > CSM_RSVD PAGE = 0
/* Allocate uninitalized data sections: */
.stack : > FLASHE PAGE = 1
.ebss : > RAMM2 PAGE = 1
.esysmem : > RAMM1 PAGE = 1
/* Initalized sections go in Flash */
/* For SDFlash to program these, they must be allocated to page 0 */
.econst : > FLASHB PAGE = 0
.switch : > FLASHB PAGE = 0
/* Allocate IQ math areas: */
IQmathTables : > IQTABLES, PAGE = 0, TYPE = NOLOAD
IQmathTables2 : > IQTABLES2, PAGE = 0, TYPE = NOLOAD
FPUmathTables : > FPUTABLES, PAGE = 0, TYPE = NOLOAD
ZONE7DATA : > ZONE7 PAGE = 1
.reset : > RESET, PAGE = 0, TYPE = DSECT
vectors : > VECTORS PAGE = 0, TYPE = DSECT
/* Allocate ADC_cal function (pre-programmed by factory into TI reserved memory) */
.adc_cal : load = ADC_CAL, PAGE = 0, TYPE = NOLOAD
]
/*
//===========================================================================
// End of file.
//===========================================================================
*/
程序轮廓如下:
#include "DSP2833x_Device.h"
#include "DSP2833x_Examples.h"
#include "math.h"
。
。
。
。
void main(void)
[
。
。
。
InitSysCtrl();
// InitXintf();
InitGpio();////it is important
InitXintf16Gpio();
EALLOW;
SysCtrlRegs.HISPCP.all=ADC_MODCLK;////////clock preset for ADC clock
EDIS;
DINT;
InitPieCtrl();
IER=0x0000;
IFR=0x0000;
InitPieVectTable();
memcpy(&RamfuncsRunStart,&RamfuncsLoadStart,(&RamfuncsLoadEnd - &RamfuncsLoadStart));
InitFlash();
。
。
。
AdcRegs.ADCTRL2.all=0x2000;
for (;;)
[
while(AdcRegs.ADCST.bit.INT_SEQ1==0)
[]
AdcRegs.ADCST.bit.INT_SEQ1_CLR=1;
SampleTable[array_index++]=((AdcRegs.ADCRESULT0)>>4);
DELAY_US(sr_tl);////the sample rate is 250hz
if (array_index>=ls)
[
。
。
。
]
]
]
F28335的cmd文件:
MEMORY
[
PAGE 0: /* Program Memory */
/* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE1 for data allocation */
RAML0 : origin = 0x008000, length = 0x001000 /* on-chip RAM block L0 */
FLASHH : origin = 0x300000, length = 0x008000 /* on-chip FLASH */
FLASHG : origin = 0x308000, length = 0x008000 /* on-chip FLASH */
FLASHF : origin = 0x310000, length = 0x008000 /* on-chip FLASH */
FLASHD : origin = 0x320000, length = 0x008000 /* on-chip FLASH */
FLASHC : origin = 0x328000, length = 0x008000 /* on-chip FLASH */
FLASHB : origin = 0x330000, length = 0x008000 /* on-chip FLASH */
FLASHA : origin = 0x338000, length = 0x007F80 /* on-chip FLASH */
CSM_RSVD : origin = 0x33FF80, length = 0x000076 /* Part of FLASHA. Program with all 0x0000 when CSM is in use. */
BEGIN : origin = 0x33FFF6, length = 0x000002 /* Part of FLASHA. Used for "boot to Flash" bootloader mode. */
CSM_PWL : origin = 0x33FFF8, length = 0x000008 /* Part of FLASHA. CSM password locations in FLASHA */
OTP : origin = 0x380400, length = 0x000400 /* on-chip OTP */
ADC_CAL : origin = 0x380080, length = 0x000009 /* ADC_cal function in Reserved memory */
IQTABLES : origin = 0x3FE000, length = 0x000b50 /* IQ Math Tables in Boot ROM */
IQTABLES2 : origin = 0x3FEB50, length = 0x00008c /* IQ Math Tables in Boot ROM */
FPUTABLES : origin = 0x3FEBDC, length = 0x0006A0 /* FPU Tables in Boot ROM */
ROM : origin = 0x3FF27C, length = 0x000D44 /* Boot ROM */
RESET : origin = 0x3FA000, length = 0x000002 /* part of boot ROM */
VECTORS : origin = 0x3FFFC2, length = 0x00003E /* part of boot ROM */
PAGE 1 : /* Data Memory */
/* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE0 for program allocation */
/* Registers remain on PAGE1 */
BOOT_RSVD : origin = 0x000000, length = 0x000050 /* Part of M0, BOOT rom will use this for stack */
RAMM0 : origin = 0x000050, length = 0x0003B0 /* on-chip RAM block M0 */
RAMM1 : origin = 0x000400, length = 0x000400 /* on-chip RAM block M1 */
ZONE7 : origin = 0x200000, length = 0x002000
RAMM2 : origin = 0x009000, length = 0x007000 /* on-chip RAM block L1 */
FLASHE : origin = 0x318000, length = 0x008000 /* on-chip FLASH */
]
/* Allocate sections to memory blocks.
Note:
codestart user defined section in DSP28_CodeStartBranch.asm used to redirect code
execution when booting to flash
ramfuncs user defined section to store functions that will be copied from Flash into RAM
*/
SECTIONS
[
/* Allocate program areas: */
.cinit : > FLASHB PAGE = 0
.pinit : > FLASHB, PAGE = 0
.text : > FLASHB PAGE = 0
codestart : > BEGIN PAGE = 0
ramfuncs : LOAD = FLASHD,
RUN = RAML0,
LOAD_START(_RamfuncsLoadStart),
LOAD_END(_RamfuncsLoadEnd),
RUN_START(_RamfuncsRunStart),
PAGE=0
csmpasswds : > CSM_PWL PAGE = 0
csm_rsvd : > CSM_RSVD PAGE = 0
/* Allocate uninitalized data sections: */
.stack : > FLASHE PAGE = 1
.ebss : > RAMM2 PAGE = 1
.esysmem : > RAMM1 PAGE = 1
/* Initalized sections go in Flash */
/* For SDFlash to program these, they must be allocated to page 0 */
.econst : > FLASHB PAGE = 0
.switch : > FLASHB PAGE = 0
/* Allocate IQ math areas: */
IQmathTables : > IQTABLES, PAGE = 0, TYPE = NOLOAD
IQmathTables2 : > IQTABLES2, PAGE = 0, TYPE = NOLOAD
FPUmathTables : > FPUTABLES, PAGE = 0, TYPE = NOLOAD
ZONE7DATA : > ZONE7 PAGE = 1
.reset : > RESET, PAGE = 0, TYPE = DSECT
vectors : > VECTORS PAGE = 0, TYPE = DSECT
/* Allocate ADC_cal function (pre-programmed by factory into TI reserved memory) */
.adc_cal : load = ADC_CAL, PAGE = 0, TYPE = NOLOAD
]
/*
//===========================================================================
// End of file.
//===========================================================================
*/
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