C/DSP_Simulation
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This commit is contained in:
Patrick Hangl
2026-01-15 13:06:36 +01:00
commit 1935e3d018
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testcode/main.c Normal file
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// BLOCK LEN 1 und MAX_FIR_COEFFS 64 werden vom Compiler mitgegeben
#include <stdint.h>
#include <stdio.h>
// Register und Bitmasken für Interrupts zwischen ARM und LPDSP Prozessor
#define CSS_CMD 0xC00004
#define CSS_CMD_0 (1<<0)
#define CSS_CMD_1 (1<<1)
// Shared Memory von ARM und DSP definieren
#define INPUT_PORT0_ADD 0x800000 // Feste Adressen für Eingangsdaten im Shared Memory
#define OUTPUT_PORT_ADD (INPUT_PORT0_ADD + 16) // Feste Adressen für Ausgangsdatensdaten im Shared Memory, 16 Byte von Eingangsadresse Weg
//Chess Compiler spezifisch: Interrupt-Register festlegen um ARM zu kontaktieren nach fertiger Berechnung
volatile static unsigned char chess_storage(DMIO:CSS_CMD) css_cmd_flag;
static volatile int16_t chess_storage(DMB:INPUT_PORT0_ADD) input_port[4];
static volatile int16_t chess_storage(DMB:OUTPUT_PORT_ADD) output_port[4];
static volatile int16_t chess_storage(DMB) *pointer;
static volatile int16_t chess_storage(DMB) *input_pointer_0;
static volatile int16_t chess_storage(DMB) *input_pointer_1;
static volatile int16_t chess_storage(DMB) *output_pointer;
static volatile int16_t chess_storage(DMB) *sample_pointer;
static volatile int16_t chess_storage(DMB) sample; //Speicherplatz für Ergebnis der calc()-Funktion
int main(void){
sample = 123;
input_port[0] = 100;
input_port[1] = 101;
input_port[2] = 102;
input_port[3] = 103;
pointer = &input_port[0];
output_port[0] = 200;
output_port[1] = 201;
output_port[2] = 202;
output_port[3] = 203;
}