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Проект каким он достался от Димы.
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nelolik
2021-02-15 09:56:02 +03:00
commit b8a0477c5c
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244
v120/DSP2833x_examples/mcbsp_loopback/Example_2833xMcBSP_DLB.c Normal file
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//###########################################################################
//
// FILE: Example_2833xMCBSP_FFDLB.c
//
// TITLE: DSP2833x Device McBSP Digital Loop Back program.
//
// ASSUMPTIONS:
//
// This program requires the DSP2833x header files.
// As supplied, this project is configured for "boot to SARAM"
// operation. The 2833x Boot Mode table is shown below.
// For information on configuring the boot mode of an eZdsp,
// please refer to the documentation included with the eZdsp,
//
// $Boot_Table:
//
// GPIO87 GPIO86 GPIO85 GPIO84
// XA15 XA14 XA13 XA12
// PU PU PU PU
// ==========================================
// 1 1 1 1 Jump to Flash
// 1 1 1 0 SCI-A boot
// 1 1 0 1 SPI-A boot
// 1 1 0 0 I2C-A boot
// 1 0 1 1 eCAN-A boot
// 1 0 1 0 McBSP-A boot
// 1 0 0 1 Jump to XINTF x16
// 1 0 0 0 Jump to XINTF x32
// 0 1 1 1 Jump to OTP
// 0 1 1 0 Parallel GPIO I/O boot
// 0 1 0 1 Parallel XINTF boot
// 0 1 0 0 Jump to SARAM <- "boot to SARAM"
// 0 0 1 1 Branch to check boot mode
// 0 0 1 0 Boot to flash, bypass ADC cal
// 0 0 0 1 Boot to SARAM, bypass ADC cal
// 0 0 0 0 Boot to SCI-A, bypass ADC cal
// Boot_Table_End$
//
// DESCRIPTION:
//
// Digital loopback tests for the McBSP peripheral.
//
// Three different serial word sizes can be tested.
//
// Before compiling this project:
// * Select the serial word size (8/16/32) by using
// the #define statements at the beginning of the code.
//
//
// This example does not use interrupts. Instead, a polling
// method is used to check the receive data. The incoming
// data is checked for accuracy. If an error is found the error()
// function is called and execution stops.
//
// This program will execute until terminated by the user.
//
// Watch Variables:
// sdata1
// sdata2
// rdata1
// rdata2
// rdata1_point
// rdata2_point
//
//###########################################################################
//
// Original Author: S.S.
//
// $TI Release: DSP2833x/DSP2823x Header Files V1.20 $
// $Release Date: August 1, 2008 $
//###########################################################################
#include "DSP28x_Project.h" // Device Headerfile and Examples Include File
// Choose a word size. Uncomment one of the following lines
#define WORD_SIZE 8 // Run a loopback test in 8-bit mode
//#define WORD_SIZE 16 // Run a loopback test in 16-bit mode
//#define WORD_SIZE 32 // Run a loopback test in 32-bit mode
// Prototype statements for functions found within this file.
void mcbsp_xmit(int a, int b);
void error(void);
// Global data for this example
Uint16 sdata1 = 0x000; // Sent Data
Uint16 rdata1 = 0x000; // Recieved Data
Uint16 sdata2 = 0x000; // Sent Data
Uint16 rdata2 = 0x000; // Recieved Data
Uint16 rdata1_point;
Uint16 rdata2_point;
void main(void)
{
Uint16 datasize;
// Step 1. Initialize System Control:
// PLL, WatchDog, enable Peripheral Clocks
// This example function is found in the DSP2833x_SysCtrl.c file.
InitSysCtrl();
// Step 2. Initalize GPIO:
// This example function is found in the DSP2833x_Gpio.c file and
// illustrates how to set the GPIO to it's default state.
// InitGpio(); // Skipped for this example
// For this example, only enable the GPIO for McBSP-A
InitMcbspaGpio();
// Step 3. Clear all interrupts and initialize PIE vector table:
// Disable CPU interrupts
DINT;
// Initialize PIE control registers to their default state.
// The default state is all PIE interrupts disabled and flags
// are cleared.
// This function is found in the DSP2833x_PieCtrl.c file.
InitPieCtrl();
// Disable CPU interrupts and clear all CPU interrupt flags:
IER = 0x0000;
IFR = 0x0000;
// Initialize the PIE vector table with pointers to the shell Interrupt
// Service Routines (ISR).
// This will populate the entire table, even if the interrupt
// is not used in this example. This is useful for debug purposes.
// The shell ISR routines are found in DSP2833x_DefaultIsr.c.
// This function is found in DSP2833x_PieVect.c.
InitPieVectTable();
// Step 4. Initialize all the Device Peripherals:
// This function is found in DSP2833x_InitPeripherals.c
// InitPeripherals(); // Not required for this example
datasize = WORD_SIZE;
InitMcbspa(); // Initalize the Mcbsp-A in loopback test mode
// Step 5. User specific code, enable interrupts:
if(datasize == 8) // Run a loopback test in 8-bit mode
{
InitMcbspa8bit();
sdata2 = 0x0000; // value is a don't care for 8-bit mode
sdata1 = 0x0000; // 8-bit value to send
rdata2_point = 0x0000; // value is a don't care for 8-bit mode
rdata1_point = sdata1;
for(;;)
{
mcbsp_xmit(sdata1,sdata2);
sdata1++;
sdata1 = sdata1 & 0x00FF; // Keep it to 8-bits
while(McbspaRegs.SPCR1.bit.RRDY == 0 ) { } // Check for receive
rdata1 = McbspaRegs.DRR1.all; // read DRR1
if(rdata1 != rdata1_point) error();
rdata1_point++;
rdata1_point = rdata1_point & 0x00FF; // Keep it to 8-bits
asm(" nop"); // Good place for a breakpoint
// Check: rdatax_point = sdatax
// rdata1 = sdata1 - 1
}
}
else if(datasize == 16) // Run a loopback test in 16-bit mode
{
InitMcbspa16bit();
sdata2 = 0x0000; // value is a don't care for 16-bit mode
sdata1 = 0x0000; // 16-bit value to send
rdata2_point = 0x0000; // value is a don't care for 16-bit mode
rdata1_point = sdata1;
for(;;)
{
mcbsp_xmit(sdata1,sdata2);
sdata1++;
while(McbspaRegs.SPCR1.bit.RRDY == 0 ) { } // Check for receive
rdata1 = McbspaRegs.DRR1.all; // read DRR1
if(rdata1 != rdata1_point) error();
rdata1_point++;
asm(" nop"); // Good place for a breakpoint
// Check: rdatax_point = sdatax
// rdata1 = sdata1 - 1
}
}
else if(datasize == 32) // Run a loopback test in 16-bit mode
{
InitMcbspa32bit();
sdata1 = 0x0000;
sdata2 = 0xFFFF;
rdata1_point = sdata1;
rdata2_point = sdata2;
for(;;)
{
mcbsp_xmit(sdata1,sdata2);
sdata1++;
sdata2--;
while(McbspaRegs.SPCR1.bit.RRDY == 0 ) { } // Check for receive
rdata2 = McbspaRegs.DRR2.all;
rdata1 = McbspaRegs.DRR1.all;
if(rdata1 != rdata1_point) error();
if(rdata2 != rdata2_point) error();
rdata1_point++;
rdata2_point--;
asm(" nop"); // Good place for a breakpoint
// Check: rdatax_point = sdatax
// rdata1 = sdata1 - 1
// rdata2 = sdata2 + 1
}
}
}
// Some Useful local functions
void error(void)
{
asm(" ESTOP0"); // test failed!! Stop!
for (;;);
}
void mcbsp_xmit(int a, int b)
{
McbspaRegs.DXR2.all=b;
McbspaRegs.DXR1.all=a;
}
//===========================================================================
// No more.
//===========================================================================

27
v120/DSP2833x_examples/mcbsp_loopback/Example_2833xMcBSP_DLB.gel Normal file
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menuitem "DSP2833x McBSP loopback"
hotmenu Load_and_Build_Project()
{
GEL_ProjectLoad("Example_2833xMcBSP_DLB.pjt");
GEL_ProjectBuild("Example_2833xMcBSP_DLB.pjt");
Setup_WatchWindow();
}
hotmenu Load_Code()
{
GEL_Load(".\\debug\\Example_2833xMcBSP_DLB.out");
Setup_WatchWindow();
}
Setup_WatchWindow()
{
GEL_WatchReset();
GEL_WatchAdd("sdata1,x");
GEL_WatchAdd("rdata1,x");
GEL_WatchAdd("sdata2,x");
GEL_WatchAdd("rdata2,x");
}

45
v120/DSP2833x_examples/mcbsp_loopback/Example_2833xMcBSP_DLB.pjt Normal file
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; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectName="DSP2833x"
ProjectDir="C:\tidcs\c28\DSP2833x\v120\DSP2833x_examples\mcbsp_loopback\"
ProjectType=Executable
CPUFamily=TMS320C28XX
Tool="Compiler"
Tool="DspBiosBuilder"
Tool="Linker"
Config="Debug"
Config="Release"
[Source Files]
Source="..\..\DSP2833x_common\source\DSP2833x_ADC_cal.asm"
Source="..\..\DSP2833x_common\source\DSP2833x_CodeStartBranch.asm"
Source="..\..\DSP2833x_common\source\DSP2833x_DefaultIsr.c"
Source="..\..\DSP2833x_common\source\DSP2833x_McBSP.c"
Source="..\..\DSP2833x_common\source\DSP2833x_PieCtrl.c"
Source="..\..\DSP2833x_common\source\DSP2833x_PieVect.c"
Source="..\..\DSP2833x_common\source\DSP2833x_SysCtrl.c"
Source="..\..\DSP2833x_common\source\DSP2833x_usDelay.asm"
Source="..\..\DSP2833x_headers\source\DSP2833x_GlobalVariableDefs.c"
Source="Example_2833xMcBSP_DLB.c"
Source="..\..\DSP2833x_common\cmd\28335_RAM_lnk.cmd"
Source="..\..\DSP2833x_headers\cmd\DSP2833x_Headers_nonBIOS.cmd"
["Compiler" Settings: "Debug"]
Options=-g -q -pdr -as -fr"C:\tidcs\c28\DSP2833x\v120\DSP2833x_examples\mcbsp_loopback\Debug" -fs"C:\tidcs\c28\DSP2833x\v120\DSP2833x_examples\mcbsp_loopback\Debug" -i"..\..\DSP2833x_headers\include" -i"..\..\DSP2833x_common\include" -d"_DEBUG" -d"LARGE_MODEL" --float_support=fpu32 -ml -mt -v28
["Compiler" Settings: "Release"]
Options=-q -o3 -fr"C:\tidcs\c28\DSP2833x\v120\DSP2833x_examples\mcbsp_loopback\Release" -d"LARGE_MODEL" -ml -v28
["DspBiosBuilder" Settings: "Debug"]
Options=-v28
["DspBiosBuilder" Settings: "Release"]
Options=-v28
["Linker" Settings: "Debug"]
Options=-q -c -m".\Debug\Example_2833xMcBSP_DLB.map" -o".\Debug\Example_2833xMcBSP_DLB.out" -stack0x380 -w -x -i"..\..\DSP2833x_headers\include" -l"rts2800_fpu32.lib"
["Linker" Settings: "Release"]
Options=-q -c -o".\Release\Example_2833xMcBSP_DLB.out" -x