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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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v120/DSP2833x_examples/cpu_timer/Example_2833xCpuTimer.c Normal file
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// TI File $Revision: /main/14 $
// Checkin $Date: April 21, 2008 15:41:07 $
//###########################################################################
//
// FILE: Example_2833xCpuTimer.c
//
// TITLE: DSP2833x Device Getting Started Program.
//
// ASSUMPTIONS:
//
// This program requires the DSP2833x header files.
//
// Other then boot mode configuration, no other hardware configuration
// is required.
//
//
// 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:
//
// This example configures CPU Timer0, 1, and 2 and increments
// a counter each time the timers assert an interrupt.
//
// Watch Variables:
// CpuTimer0.InterruptCount
// CpuTimer1.InterruptCount
// CpuTimer2.InterruptCount
//
//###########################################################################
// $TI Release: DSP2833x/DSP2823x Header Files V1.20 $
// $Release Date: August 1, 2008 $
//###########################################################################
#include "DSP28x_Project.h" // Device Headerfile and Examples Include File
// Prototype statements for functions found within this file.
interrupt void cpu_timer0_isr(void);
interrupt void cpu_timer1_isr(void);
interrupt void cpu_timer2_isr(void);
void main(void)
{
// 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
// Step 3. Clear all interrupts and initialize PIE vector table:
// Disable CPU interrupts
DINT;
// Initialize the 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();
// Interrupts that are used in this example are re-mapped to
// ISR functions found within this file.
EALLOW; // This is needed to write to EALLOW protected registers
PieVectTable.TINT0 = &cpu_timer0_isr;
PieVectTable.XINT13 = &cpu_timer1_isr;
PieVectTable.TINT2 = &cpu_timer2_isr;
EDIS; // This is needed to disable write to EALLOW protected registers
// Step 4. Initialize the Device Peripheral. This function can be
// found in DSP2833x_CpuTimers.c
InitCpuTimers(); // For this example, only initialize the Cpu Timers
#if (CPU_FRQ_150MHZ)
// Configure CPU-Timer 0, 1, and 2 to interrupt every second:
// 150MHz CPU Freq, 1 second Period (in uSeconds)
ConfigCpuTimer(&CpuTimer0, 150, 1000000);
ConfigCpuTimer(&CpuTimer1, 150, 1000000);
ConfigCpuTimer(&CpuTimer2, 150, 1000000);
#endif
#if (CPU_FRQ_100MHZ)
// Configure CPU-Timer 0, 1, and 2 to interrupt every second:
// 100MHz CPU Freq, 1 second Period (in uSeconds)
ConfigCpuTimer(&CpuTimer0, 100, 1000000);
ConfigCpuTimer(&CpuTimer1, 100, 1000000);
ConfigCpuTimer(&CpuTimer2, 100, 1000000);
#endif
// To ensure precise timing, use write-only instructions to write to the entire register. Therefore, if any
// of the configuration bits are changed in ConfigCpuTimer and InitCpuTimers (in DSP2833x_CpuTimers.h), the
// below settings must also be updated.
CpuTimer0Regs.TCR.all = 0x4001; // Use write-only instruction to set TSS bit = 0
CpuTimer1Regs.TCR.all = 0x4001; // Use write-only instruction to set TSS bit = 0
CpuTimer2Regs.TCR.all = 0x4001; // Use write-only instruction to set TSS bit = 0
// Step 5. User specific code, enable interrupts:
// Enable CPU int1 which is connected to CPU-Timer 0, CPU int13
// which is connected to CPU-Timer 1, and CPU int 14, which is connected
// to CPU-Timer 2:
IER |= M_INT1;
IER |= M_INT13;
IER |= M_INT14;
// Enable TINT0 in the PIE: Group 1 interrupt 7
PieCtrlRegs.PIEIER1.bit.INTx7 = 1;
// Enable global Interrupts and higher priority real-time debug events:
EINT; // Enable Global interrupt INTM
ERTM; // Enable Global realtime interrupt DBGM
// Step 6. IDLE loop. Just sit and loop forever (optional):
for(;;);
}
interrupt void cpu_timer0_isr(void)
{
CpuTimer0.InterruptCount++;
// Acknowledge this interrupt to receive more interrupts from group 1
PieCtrlRegs.PIEACK.all = PIEACK_GROUP1;
}
interrupt void cpu_timer1_isr(void)
{
CpuTimer1.InterruptCount++;
// The CPU acknowledges the interrupt.
EDIS;
}
interrupt void cpu_timer2_isr(void)
{ EALLOW;
CpuTimer2.InterruptCount++;
// The CPU acknowledges the interrupt.
EDIS;
}
//===========================================================================
// No more.
//===========================================================================

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v120/DSP2833x_examples/cpu_timer/Example_2833xCpuTimer.gel Normal file
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/*
// TI File $Revision: /main/6 $
// Checkin $Date: August 9, 2007 17:12:13 $
//###########################################################################
//
// This .gel file can be used to help load and build the example project.
// It should be unloaded from Code Composer Studio before loading another
// project.
//
//###########################################################################
// $TI Release: DSP2833x/DSP2823x Header Files V1.20 $
// $Release Date: August 1, 2008 $
//###########################################################################
*/
menuitem "DSP2833x CpuTimerExample"
hotmenu Load_and_Build_Project()
{
GEL_ProjectLoad("Example_2833xCpuTimer.pjt");
GEL_ProjectBuild("Example_2833xCpuTimer.pjt");
Setup_WatchWindow();
}
hotmenu Load_Code()
{
GEL_Load(".\\debug\\Example_2833xCpuTimer.out");
Setup_WatchWindow();
}
hotmenu Setup_WatchWindow()
{
GEL_WatchReset();
GEL_WatchAdd("CpuTimer0.InterruptCount",,"CPU ISR Count");
GEL_WatchAdd("CpuTimer0",,"CPU Timer Variables");
GEL_WatchAdd("CpuTimer0Regs,x");
GEL_WatchAdd("CpuTimer1.InterruptCount",,"CPU ISR Count");
GEL_WatchAdd("CpuTimer1",,"CPU Timer Variables");
GEL_WatchAdd("CpuTimer1Regs,x");
GEL_WatchAdd("CpuTimer2.InterruptCount",,"CPU ISR Count");
GEL_WatchAdd("CpuTimer2",,"CPU Timer Variables");
GEL_WatchAdd("CpuTimer2Regs,x");
}

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v120/DSP2833x_examples/cpu_timer/Example_2833xCpuTimer.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\cpu_timer\"
ProjectType=Executable
CPUFamily=TMS320C28XX
Tool="Compiler"
Tool="CustomBuilder"
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_CpuTimers.c"
Source="..\..\DSP2833x_common\source\DSP2833x_DefaultIsr.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_2833xCpuTimer.c"
Source="..\..\DSP2833x_common\cmd\28335_RAM_lnk.cmd"
Source="..\..\DSP2833x_headers\cmd\DSP2833x_Headers_nonBIOS.cmd"
["Compiler" Settings: "Debug"]
Options=-g -q -pdr -fr"C:\tidcs\c28\DSP2833x\v120\DSP2833x_examples\cpu_timer\Debug" -fs"C:\tidcs\c28\DSP2833x\v120\DSP2833x_examples\cpu_timer\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\cpu_timer\Release" -d"LARGE_MODEL" -ml -v28
["DspBiosBuilder" Settings: "Debug"]
Options=-v28
["DspBiosBuilder" Settings: "Release"]
Options=-v28
["Linker" Settings: "Debug"]
Options=-q -c -ecode_start -m".\Debug\Example_2833xCpuTimer.map" -o".\Debug\Example_2833xCpuTimer.out" -stack0x200 -w -x -i"..\..\DSP2833x_headers\include" -l"rts2800_fpu32.lib"
["Linker" Settings: "Release"]
Options=-q -c -o".\Release\Example_2833xCpuTimer.out" -x