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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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187
v120/DSP2833x_examples/ecan_a_to_b_xmit/Example_2833xEcanA_to_B_Xmit.c Normal file
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// TI File $Revision: /main/9 $
// Checkin $Date: April 21, 2008 15:41:13 $
//###########################################################################
// Filename: Example_28xEcan_A_to_B_Xmit.c
//
// Description: eCAN-A To eCAN-B TXLOOP - Transmit loop
//
// ASSUMPTIONS:
//
// This program requires the DSP2833x header files.
//
// Both CAN ports of the 2833x DSP need to be connected
// to each other (via CAN transceivers)
//
// eCANA is on GPIO31 (CANTXA) and
// GPIO30 (CANRXA)
//
// eCANB is on GPIO8 (CANTXB) and
// GPIO10 (CANRXB)
//
// 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 TRANSMITS data to another CAN module using MAILBOX5
// This program could either loop forever or transmit "n" # of times,
// where "n" is the TXCOUNT value.
//
// This example can be used to check CAN-A and CAN-B. Since CAN-B is
// initialized in DSP2833x_ECan.c, it will acknowledge all frames
// transmitted by the node on which this code runs. Both CAN ports of
// the 2833x DSP need to be connected to each other (via CAN transceivers)
//
//###########################################################################
// Original Author: HJ
//
// $TI Release: DSP2833x/DSP2823x Header Files V1.20 $
// $Release Date: August 1, 2008 $
//###########################################################################
#include "DSP28x_Project.h" // Device Headerfile and Examples Include File
#define TXCOUNT 100 // Transmission will take place (TXCOUNT) times..
// Globals for this example
long i;
long loopcount = 0;
void main()
{
/* Create a shadow register structure for the CAN control registers. This is
needed, since, only 32-bit access is allowed to these registers. 16-bit access
to these registers could potentially corrupt the register contents. This is
especially true while writing to a bit (or group of bits) among bits 16 - 31 */
struct ECAN_REGS ECanaShadow;
// 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
// Just initalize eCAN pins for this example
// This function is in DSP2833x_ECan.c
InitECanGpio();
// 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.
// No interrupts used in this example.
// Step 4. Initialize all the Device Peripherals:
// This function is found in DSP2833x_InitPeripherals.c
// InitPeripherals(); // Not required for this example
// In this case just initalize eCAN-A and eCAN-B
// This function is in DSP2833x_ECan.c
InitECan();
// Step 5. User specific code:
/* Write to the MSGID field */
ECanaMboxes.MBOX25.MSGID.all = 0x95555555; // Extended Identifier
/* Configure Mailbox under test as a Transmit mailbox */
ECanaShadow.CANMD.all = ECanaRegs.CANMD.all;
ECanaShadow.CANMD.bit.MD25 = 0;
ECanaRegs.CANMD.all = ECanaShadow.CANMD.all;
/* Enable Mailbox under test */
ECanaShadow.CANME.all = ECanaRegs.CANME.all;
ECanaShadow.CANME.bit.ME25 = 1;
ECanaRegs.CANME.all = ECanaShadow.CANME.all;
/* Write to DLC field in Master Control reg */
ECanaMboxes.MBOX25.MSGCTRL.bit.DLC = 8;
/* Write to the mailbox RAM field */
ECanaMboxes.MBOX25.MDL.all = 0x55555555;
ECanaMboxes.MBOX25.MDH.all = 0x55555555;
/* Begin transmitting */
for(i=0; i < TXCOUNT; i++)
{
ECanaShadow.CANTRS.all = 0;
ECanaShadow.CANTRS.bit.TRS25 = 1; // Set TRS for mailbox under test
ECanaRegs.CANTRS.all = ECanaShadow.CANTRS.all;
do
{
ECanaShadow.CANTA.all = ECanaRegs.CANTA.all;
} while(ECanaShadow.CANTA.bit.TA25 == 0 ); // Wait for TA5 bit to be set..
ECanaShadow.CANTA.all = 0;
ECanaShadow.CANTA.bit.TA25 = 1; // Clear TA5
ECanaRegs.CANTA.all = ECanaShadow.CANTA.all;
loopcount ++;
}
asm(" ESTOP0"); // Stop here
}

37
v120/DSP2833x_examples/ecan_a_to_b_xmit/Example_2833xEcanA_to_B_Xmit.gel Normal file
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/*
// TI File $Revision: /main/5 $
// Checkin $Date: August 9, 2007 17:12:30 $
//###########################################################################
//
// 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 eCANA to eCANB"
hotmenu Load_and_Build_Project()
{
GEL_ProjectLoad("Example_2833xEcanA_to_B_Xmit.pjt");
GEL_ProjectBuild("Example_2833xEcanA_to_B_Xmit.pjt");
Setup_WatchWindow();
}
hotmenu Load_Code()
{
GEL_Load(".\\debug\\Example_2833xEcanA_to_B_Xmit.out");
Setup_WatchWindow();
}
hotmenu Setup_WatchWindow()
{
GEL_WatchReset();
GEL_WatchAdd("loopcount",,"");
GEL_WatchAdd("ECanaRegs",,"");
GEL_WatchAdd("ECanbRegs",,"");
}

45
v120/DSP2833x_examples/ecan_a_to_b_xmit/Example_2833xEcanA_to_B_Xmit.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\ecan_a_to_b_xmit\"
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_ECan.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_2833xEcanA_to_B_Xmit.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\ecan_a_to_b_xmit\Debug" -fs"C:\tidcs\c28\DSP2833x\v120\DSP2833x_examples\ecan_a_to_b_xmit\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\ecan_a_to_b_xmit\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_2833xECanA_to_B_Xmit.map" -o".\Debug\Example_2833xECanA_to_B_Xmit.out" -stack0x380 -w -x -i"..\..\DSP2833x_headers\include" -l"rts2800_fpu32.lib"
["Linker" Settings: "Release"]
Options=-q -c -o".\Release\Example_2833xECanBack2Back.out" -x