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part8 working with optimisation, but not with DEBUG=0 in fb.c

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Adam Greenwood-Byrne 2021-02-11 22:14:31 +00:00
parent fa83c4ff5e
commit 7e3238758a
4 changed files with 7 additions and 6 deletions
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2
part8-breakout-ble/Makefile
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@ -1,7 +1,7 @@
CFILES = $(wildcard *.c)
OFILES = $(CFILES:.c=.o)
LLVMPATH = /opt/homebrew/opt/llvm/bin
GCCFLAGS = -Wall -O0 -ffreestanding -nostdinc -nostdlib -mcpu=cortex-a72+nosimd
GCCFLAGS = -Wall -O2 -ffreestanding -nostdinc -nostdlib -mcpu=cortex-a72+nosimd
all: clean kernel8.img

2
part8-breakout-ble/Makefile.gcc.windows
View file

@ -1,6 +1,6 @@
CFILES = $(wildcard *.c)
OFILES = $(CFILES:.c=.o)
GCCFLAGS = -Wall -O0 -ffreestanding -nostdinc -nostdlib -nostartfiles
GCCFLAGS = -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles
GCCPATH = ..\..\gcc-arm-10.2-2020.11-mingw-w64-i686-aarch64-none-elf\bin
all: clean kernel8.img

7
part8-breakout-ble/bt.c
View file

@ -1,7 +1,7 @@
#include "io.h"
#include "fb.h"
unsigned char *params = (unsigned char *)SAFE_ADDRESS;
volatile unsigned char *params = (unsigned char *)SAFE_ADDRESS;
// UART0
@ -93,7 +93,7 @@ enum {
unsigned char empty[] = {};
int hciCommandBytes(unsigned char *opcodebytes, unsigned char *data, unsigned char length)
int hciCommandBytes(volatile unsigned char *opcodebytes, volatile unsigned char *data, unsigned char length)
{
unsigned char c=0;
@ -130,7 +130,7 @@ int hciCommandBytes(unsigned char *opcodebytes, unsigned char *data, unsigned ch
return 0;
}
int hciCommand(unsigned short ogf, unsigned short ocf, unsigned char *data, unsigned char length)
int hciCommand(unsigned short ogf, unsigned short ocf, volatile unsigned char *data, unsigned char length)
{
unsigned short opcode = ogf << 10 | ocf;
unsigned char opcodebytes[2] = { lo(opcode), hi(opcode) };
@ -233,6 +233,7 @@ void sendACLsubscribe(unsigned int handle)
params[4] = 0x00;
unsigned int c=0;
while (c++<data_length) bt_writeByte(params[c-1]);
}

2
part8-breakout-ble/kernel.c
View file

@ -368,7 +368,7 @@ void breakout()
}
}
//wait_msec(0x186A);
wait_msec(0x186A);
moveObjectAbs(ball, ball->x + velocity_x, ball->y + velocity_y);
// Check we're in the game arena still