jct/vga640x480
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Added software implementation

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This commit is contained in:
Jens True
2018-11-28 19:27:03 +01:00
parent f4aa1a51d0
commit 91f474c0e4
1 changed files with 11 additions and 12 deletions
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21
userland.c → helloworld.c
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@ -49,23 +49,22 @@
#include "platform.h" #include "platform.h"
#include "xil_printf.h" #include "xil_printf.h"
#include "xil_io.h" #include "xil_io.h"
#define SIMPELVGA_REG_BASE (0x43c00000)
#include <simplevga.h> #define SIMPELVGA_REG_X (SIMPELVGA_REG_BASE + 0)
#define SIMPELVGA_REG_Y (SIMPELVGA_REG_BASE + 4)
#define SIMPELVGA_REG_COLOR (SIMPELVGA_REG_BASE + 8)
int main() int main()
{ {
init_platform(); init_platform();
print("Hello World\n\r"); print("Hello World\n\r");
SIMPLEVGA_mWriteReg(XPAR_SIMPLEVGA_0_S00_AXI_BASEADDR, SIMPLEVGA_S00_AXI_SLV_REG0_OFFSET, 0xFFFFFFFF); Xil_Out32(SIMPELVGA_REG_X, (460 << 16) + 160);
SIMPLEVGA_mWriteReg(XPAR_SIMPLEVGA_0_S00_AXI_BASEADDR, SIMPLEVGA_S00_AXI_SLV_REG1_OFFSET, 0xFFFFFFFF); Xil_Out32(SIMPELVGA_REG_Y, (360 << 16) + 120);
SIMPLEVGA_mWriteReg(XPAR_SIMPLEVGA_0_S00_AXI_BASEADDR, SIMPLEVGA_S00_AXI_SLV_REG2_OFFSET, 0xFFFFFFFF);
unsigned long x = 1;
while(1) { while(1) {
for(x = 1; x < 100; x++) { unsigned long x;
unsigned long xreg = ((640-x) << 16) + x; for(x = 0; x <= 0b111111; x++) {
SIMPLEVGA_mWriteReg(XPAR_SIMPLEVGA_0_S00_AXI_BASEADDR, SIMPLEVGA_S00_AXI_SLV_REG0_OFFSET, x); Xil_Out32(SIMPELVGA_REG_COLOR, x);
printf("Set color %x\n",x);
sleep(1); sleep(1);
} }
} }