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Проект каким он достался от Димы.
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nelolik
2021-02-15 09:56:02 +03:00
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v120/DSP2833x_examples/external_interrupt/Example_2833xExternalInterrupt.c Normal file
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// TI File $Revision: /main/10 $
// Checkin $Date: May 5, 2008 15:25:49 $
//###########################################################################
//
// FILE: Example_2833xExternalInterrupt.c
//
// TITLE: DSP2833x External Interrupt test program.
//
// ASSUMPTIONS:
//
// This program requires the DSP2833x header files.
// As supplied, this project is configured for "boot to SARAM" operation.
//
// Connect GPIO30 to GPIO0. GPIO0 will be assigned to Xint1
// Connect GPIO31 to GPIO1. GPIO1 will be assigned to XINT2
//
// Monitor GPIO34 with an oscilloscope. GPIO34 will be high outside of the
// ISRs and low within each ISR.
//
// 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 program sets up GPIO0 as Xint1 and GPIO1 as XINT2. Two other
// GPIO signals are used to trigger the interrupt (GPIO30 triggers
// Xint1 and GPIO31 triggers XINT2). The user is required to
// externally connect these signals for the program to work
// properly.
//
// Xint1 input is synched to SYSCLKOUT
// XINT2 has a long qualification - 6 samples at 510*SYSCLKOUT each.
//
// GPIO34 will go high outside of the interrupts and low within the
// interrupts. This signal can be monitored on a scope.
//
// Each interrupt is fired in sequence - Xint1 first and then XINT2
//
//
// Watch Variables:
// Xint1Count for the number of times through Xint1 interrupt
// Xint2Count for the number of times through XINT2 interrupt
// LoopCount for the number of times through the idle loop
//
//###########################################################################
// $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 xint1_isr(void);
interrupt void xint2_isr(void);
// Global variables for this example
volatile Uint32 Xint1Count;
volatile Uint32 Xint2Count;
Uint32 LoopCount;
#define DELAY 35.700L
void main(void)
{
Uint32 TempX1Count;
Uint32 TempX2Count;
// 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 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.XINT1 = &xint1_isr;
PieVectTable.XINT2 = &xint2_isr;
EDIS; // This is needed to disable write to EALLOW protected registers
// Step 4. Initialize all the Device Peripherals:
// This function is found in DSP2833x_InitPeripherals.c
// InitPeripherals(); // Not required for this example
// Step 5. User specific code, enable interrupts:
// Clear the counters
Xint1Count = 0; // Count Xint1 interrupts
Xint2Count = 0; // Count XINT2 interrupts
LoopCount = 0; // Count times through idle loop
// Enable Xint1 and XINT2 in the PIE: Group 1 interrupt 4 & 5
// Enable int1 which is connected to WAKEINT:
PieCtrlRegs.PIECTRL.bit.ENPIE = 1; // Enable the PIE block
PieCtrlRegs.PIEIER1.bit.INTx4 = 1; // Enable PIE Gropu 1 INT4
PieCtrlRegs.PIEIER1.bit.INTx5 = 1; // Enable PIE Gropu 1 INT5
IER |= M_INT1; // Enable CPU int1
EINT; // Enable Global Interrupts
// GPIO30 & GPIO31 are outputs, start GPIO30 high and GPIO31 low
EALLOW;
GpioDataRegs.GPASET.bit.GPIO30 = 1; // Load the output latch
GpioCtrlRegs.GPAMUX2.bit.GPIO30 = 0; // GPIO
GpioCtrlRegs.GPADIR.bit.GPIO30 = 1; // output
GpioDataRegs.GPACLEAR.bit.GPIO31 = 1; // Load the output latch
GpioCtrlRegs.GPAMUX2.bit.GPIO31 = 0; // GPIO
GpioCtrlRegs.GPADIR.bit.GPIO31 = 1; // output
EDIS;
// GPIO0 and GPIO1 are inputs
EALLOW;
GpioCtrlRegs.GPAMUX1.bit.GPIO0 = 0; // GPIO
GpioCtrlRegs.GPADIR.bit.GPIO0 = 0; // input
GpioCtrlRegs.GPAQSEL1.bit.GPIO0 = 0; // Xint1 Synch to SYSCLKOUT only
GpioCtrlRegs.GPAMUX1.bit.GPIO1 = 0; // GPIO
GpioCtrlRegs.GPADIR.bit.GPIO1 = 0; // input
GpioCtrlRegs.GPAQSEL1.bit.GPIO1 = 2; // XINT2 Qual using 6 samples
GpioCtrlRegs.GPACTRL.bit.QUALPRD0 = 0xFF; // Each sampling window is 510*SYSCLKOUT
EDIS;
// GPIO0 is XINT1, GPIO1 is XINT2
EALLOW;
GpioIntRegs.GPIOXINT1SEL.bit.GPIOSEL = 0; // Xint1 is GPIO0
GpioIntRegs.GPIOXINT2SEL.bit.GPIOSEL = 1; // XINT2 is GPIO1
EDIS;
// Configure XINT1
XIntruptRegs.XINT1CR.bit.POLARITY = 0; // Falling edge interrupt
XIntruptRegs.XINT2CR.bit.POLARITY = 1; // Rising edge interrupt
// Enable XINT1 and XINT2
XIntruptRegs.XINT1CR.bit.ENABLE = 1; // Enable Xint1
XIntruptRegs.XINT2CR.bit.ENABLE = 1; // Enable XINT2
// GPIO34 will go low inside each interrupt. Monitor this on a scope
EALLOW;
GpioCtrlRegs.GPBMUX1.bit.GPIO34 = 0; // GPIO
GpioCtrlRegs.GPBDIR.bit.GPIO34 = 1; // output
EDIS;
// Step 6. IDLE loop:
for(;;)
{
TempX1Count = Xint1Count;
TempX2Count = Xint2Count;
// Trigger both XINT1
GpioDataRegs.GPBSET.bit.GPIO34 = 1; // GPIO34 is high
GpioDataRegs.GPACLEAR.bit.GPIO30 = 1; // Lower GPIO30, trigger Xint1
while(Xint1Count == TempX1Count) {}
// Trigger both XINT2
GpioDataRegs.GPBSET.bit.GPIO34 = 1; // GPIO34 is high
DELAY_US(DELAY); // Wait for Qual period
GpioDataRegs.GPASET.bit.GPIO31 = 1; // Raise GPIO31, trigger XINT2
while(Xint2Count == TempX2Count) {}
// Check that the counts were incremented properly and get ready
// to start over.
if(Xint1Count == TempX1Count+1 && Xint2Count == TempX2Count+1)
{
LoopCount++;
GpioDataRegs.GPASET.bit.GPIO30 = 1; // raise GPIO30
GpioDataRegs.GPACLEAR.bit.GPIO31 = 1; // lower GPIO31
}
else
{
asm(" ESTOP0"); // stop here
}
}
}
// Step 7. Insert all local Interrupt Service Routines (ISRs) and functions here:
// If local ISRs are used, reassign vector addresses in vector table as
// shown in Step 5
interrupt void xint1_isr(void)
{
GpioDataRegs.GPBCLEAR.all = 0x4; // GPIO34 is low
Xint1Count++;
// Acknowledge this interrupt to get more from group 1
PieCtrlRegs.PIEACK.all = PIEACK_GROUP1;
}
interrupt void xint2_isr(void)
{
GpioDataRegs.GPBCLEAR.all = 0x4; // GPIO34 is low
Xint2Count++;
// Acknowledge this interrupt to get more from group 1
PieCtrlRegs.PIEACK.all = PIEACK_GROUP1;
}
//===========================================================================
// No more.
//===========================================================================

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v120/DSP2833x_examples/external_interrupt/Example_2833xExternalInterrupt.gel Normal file
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/*
// TI File $Revision: /main/5 $
// Checkin $Date: August 9, 2007 17:15:49 $
//###########################################################################
//
// 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 ExternalInterrupt"
hotmenu Load_and_Build_Project()
{
GEL_ProjectLoad("Example_2833xExternalInterrupt.pjt");
GEL_ProjectBuild("Example_2833xExternalInterrupt.pjt");
Setup_WatchWindow();
}
hotmenu Load_Code()
{
GEL_Load(".\\debug\\Example_2833xExternalInterrupt.out");
Setup_WatchWindow();
}
hotmenu Setup_WatchWindow()
{
GEL_WatchReset();
GEL_WatchAdd("Xint1Count,x");
GEL_WatchAdd("Xint2Count,x");
GEL_WatchAdd("LoopCount,x");
GEL_WatchAdd("XIntruptRegs,x");
GEL_WatchAdd("GpioCtrlRegs,x");
}

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v120/DSP2833x_examples/external_interrupt/Example_2833xExternalInterrupt.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\external_interrupt\"
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_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_2833xExternalInterrupt.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\external_interrupt\Debug" -fs"C:\tidcs\c28\DSP2833x\v120\DSP2833x_examples\external_interrupt\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\DSP2833x_examples\external_interrupt\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_2833xExternalInterrupt.map" -o".\Debug\Example_2833xExternalInterrupt.out" -stack0x200 -w -x -l"rts2800_fpu32.lib"
["Linker" Settings: "Release"]
Options=-q -c -o".\Release\Example_2833xExternalInterrupt.out" -x