I tried to execute an example program with interrupts. I use CCS Version: 6.1.0.00104 .
I got a warning:
warning #10247-D: creating output section "vectors" without a SECTIONS
/*************************************************************************
* Basic stereo loop function for C6713 DSK and AIC23 codec
* D. Richard Brown on 9-Oct-2006
* Based on code from "Real-Time Digital Signal Processing Based on TMS320C6000"
* by N. Kehtarnavaz and N. Kim.
*************************************************************************/
#define CHIP_6713 1
#include <stdio.h>
#include <c6x.h>
#include <csl.h>
#include <csl_mcbsp.h>
#include <csl_irq.h>
#include "dsk6713.h"
#include "dsk6713_aic23.h"
DSK6713_AIC23_CodecHandle hCodec; // Codec handle
DSK6713_AIC23_Config config = DSK6713_AIC23_DEFAULTCONFIG; // Codec configuration with default settings
interrupt void serialPortRcvISR(void);
void main()
{
DSK6713_init(); // Initialize the board support library, must be called first
hCodec = DSK6713_AIC23_openCodec(0, &config); // open codec and get handle
// Configure buffered serial ports for 32 bit operation
// This allows transfer of both right and left channels in one read/write
MCBSP_FSETS(SPCR1, RINTM, FRM);
MCBSP_FSETS(SPCR1, XINTM, FRM);
MCBSP_FSETS(RCR1, RWDLEN1, 32BIT);
MCBSP_FSETS(XCR1, XWDLEN1, 32BIT);
// set codec sampling frequency
DSK6713_AIC23_setFreq(hCodec, DSK6713_AIC23_FREQ_44KHZ);
// interrupt setup
IRQ_globalDisable(); // Globally disables interrupts
IRQ_nmiEnable(); // Enables the NMI interrupt
IRQ_map(IRQ_EVT_RINT1,15); // Maps an event to a physical interrupt
IRQ_enable(IRQ_EVT_RINT1); // Enables the event
IRQ_globalEnable(); // Globally enables interrupts
while(1) // main loop - do nothing but wait for interrupts
{
}
}
interrupt void serialPortRcvISR()
{
union {Uint32 combo; short channel[2];} temp;
temp.combo = MCBSP_read(DSK6713_AIC23_DATAHANDLE);
// Note that right channel is in temp.channel[0]
// Note that left channel is in temp.channel[1]
MCBSP_write(DSK6713_AIC23_DATAHANDLE, temp.combo);
}
; *************************************************************************
; * This code is written by N. Kehtarnavaz and N. Kim as part of the
; * textbook "Real-Time Digital Signal Processing Based on TMS320C6000".
; *************************************************************************
.ref _c_int00
.ref _serialPortRcvISR ; refer the address of ISR defined in C program
.sect "vectors"
RESET_RST:
MVKL .S2 _c_int00, B0
MVKH .S2 _c_int00, B0
B .S2 B0
NOP
NOP
NOP
NOP
NOP
NMI_RST:
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
RESV1:
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
RESV2:
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT4: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT5: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT6: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT7: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT8: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT9: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT10: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT11: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT12: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT13: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT14: NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
INT15:
MVKL .S2 _serialPortRcvISR, B0
MVKH .S2 _serialPortRcvISR, B0
B .S2 B0
NOP
NOP
NOP
NOP
NOP
When I debug the project, the program doesnt jump into the serialPortRcvISR.
What did I forget?
