freemyipod r752 - Code Review

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Repository:freemyipod
Revision:r751‎ | r752 | r753 >
Date:00:28, 15 July 2011
Author:theseven
Status:new
Tags:
Comment:
New app: LCD test pattern generator
Modified paths:
  • /apps/testpattern (added) (history)
  • /apps/testpattern/Makefile (added) (history)
  • /apps/testpattern/SOURCES (added) (history)
  • /apps/testpattern/ls.x (added) (history)
  • /apps/testpattern/main.c (added) (history)
  • /apps/testpattern/version.h (added) (history)

Diff [purge]

Index: apps/testpattern/SOURCES
@@ -0,0 +1 @@
 2+main.c
Index: apps/testpattern/ls.x
@@ -0,0 +1,42 @@
 2+ENTRY(__emcore_entrypoint)
 3+OUTPUT_FORMAT(elf32-littlearm)
 4+OUTPUT_ARCH(arm)
 5+
 6+MEMORY
 7+{
 8+ VIRTUAL : ORIGIN = 0x00000000, LENGTH = 0x10000000
 9+}
 10+
 11+SECTIONS
 12+{
 13+ .text :
 14+ {
 15+ __emcore_app_base = .;
 16+ KEEP(.emcoreentrypoint*)
 17+ *(.emcoreentrypoint*)
 18+ *(.text*)
 19+ *(.glue_7)
 20+ *(.glue_7t)
 21+ . = ALIGN(0x10);
 22+ } > VIRTUAL
 23+
 24+ .data :
 25+ {
 26+ *(.rodata*)
 27+ . = ALIGN(0x4);
 28+ *(.data*)
 29+ . = ALIGN(0x10);
 30+ } > VIRTUAL
 31+
 32+ .bss (NOLOAD) :
 33+ {
 34+ *(.bss*)
 35+ *(COMMON)
 36+ } > VIRTUAL
 37+
 38+ /DISCARD/ :
 39+ {
 40+ *(.eh_frame)
 41+ }
 42+
 43+}
Index: apps/testpattern/main.c
@@ -0,0 +1,226 @@
 2+//
 3+//
 4+// Copyright 2011 TheSeven
 5+//
 6+//
 7+// This file is part of emCORE.
 8+//
 9+// emCORE is free software: you can redistribute it and/or
 10+// modify it under the terms of the GNU General Public License as
 11+// published by the Free Software Foundation, either version 2 of the
 12+// License, or (at your option) any later version.
 13+//
 14+// emCORE is distributed in the hope that it will be useful,
 15+// but WITHOUT ANY WARRANTY; without even the implied warranty of
 16+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 17+// See the GNU General Public License for more details.
 18+//
 19+// You should have received a copy of the GNU General Public License along
 20+// with emCORE. If not, see <http://www.gnu.org/licenses/>.
 21+//
 22+//
 23+
 24+
 25+#include "emcoreapp.h"
 26+
 27+
 28+static void main()
 29+{
 30+ int x, y, r;
 31+ int width = lcd_get_width();
 32+ int height = lcd_get_height();
 33+ int l1, s1, ls1, ss1, l2, s2, ls2, ss2, x1, y1, x2, y2, ox1, oy1, ox2, oy2;
 34+ if (width > height)
 35+ {
 36+ l1 = width;
 37+ s1 = height;
 38+ }
 39+ else
 40+ {
 41+ l1 = height;
 42+ s1 = width;
 43+ }
 44+ for (l2 = 0x40000000; l2 > l1; l2 >>= 1);
 45+ if ((l2 * 9) / 8 > l1) l2 >>= 1;
 46+ while ((l2 / 9) * 6 > s1) l2 >>= 1;
 47+ l1 = (l2 * 9) / 8;
 48+ s1 = l2 / 2;
 49+ s2 = s1 / 2;
 50+ if (height >= l1)
 51+ {
 52+ x1 = s1;
 53+ x2 = s2;
 54+ y1 = l1;
 55+ y2 = l2;
 56+ ls1 = 0;
 57+ ls2 = 0;
 58+ ss1 = 0;
 59+ ss2 = 0;
 60+ ox1 = (width - s1 - s2) / 2;
 61+ ox2 = ox1 + s1;
 62+ oy1 = (height - l1) / 2;
 63+ oy2 = oy1;
 64+ }
 65+ else
 66+ {
 67+ x1 = l1;
 68+ x2 = l2;
 69+ y1 = s1;
 70+ y2 = s2;
 71+ ls1 = 3 - 3 * l1 * s1;
 72+ ls2 = 3 - 3 * l2 * s2;
 73+ ss1 = l1 * 3 - 3;
 74+ ss2 = l2 * 3 - 3;
 75+ ox1 = (width - l1) / 2;
 76+ ox2 = ox1;
 77+ oy1 = (height - s1 - s2) / 2;
 78+ oy2 = oy1 + s1;
 79+ }
 80+
 81+
 82+ uint8_t* framebuf = (uint8_t*)malloc(s1 * l1 * 3);
 83+ if (!framebuf) panicf(PANIC_KILLTHREAD, "Out of memory!");
 84+
 85+ int s = s1 / 4;
 86+ uint8_t* ptr = framebuf;
 87+ for (r = 0; r < 8; r++)
 88+ for (y = 0; y < s; y++)
 89+ {
 90+ for (x = 0; x < s; x++)
 91+ {
 92+ *ptr++ = 1 << r;
 93+ *ptr++ = 0;
 94+ *ptr++ = 0;
 95+ ptr += ss1;
 96+ }
 97+ for (x = 0; x < s; x++)
 98+ {
 99+ *ptr++ = 0;
 100+ *ptr++ = 1 << r;
 101+ *ptr++ = 0;
 102+ ptr += ss1;
 103+ }
 104+ for (x = 0; x < s; x++)
 105+ {
 106+ *ptr++ = 0;
 107+ *ptr++ = 0;
 108+ *ptr++ = 1 << r;
 109+ ptr += ss1;
 110+ }
 111+ for (x = 0; x < s; x++)
 112+ {
 113+ *ptr++ = 1 << r;
 114+ *ptr++ = 1 << r;
 115+ *ptr++ = 1 << r;
 116+ ptr += ss1;
 117+ }
 118+ ptr += ls1;
 119+ }
 120+ for (y = 0; y < s; y++)
 121+ {
 122+ for (x = 0; x < s; x++)
 123+ {
 124+ *ptr++ = 0xff;
 125+ *ptr++ = 0;
 126+ *ptr++ = 0;
 127+ ptr += ss1;
 128+ }
 129+ for (x = 0; x < s; x++)
 130+ {
 131+ *ptr++ = 0;
 132+ *ptr++ = 0xff;
 133+ *ptr++ = 0;
 134+ ptr += ss1;
 135+ }
 136+ for (x = 0; x < s; x++)
 137+ {
 138+ *ptr++ = 0;
 139+ *ptr++ = 0;
 140+ *ptr++ = 0xff;
 141+ ptr += ss1;
 142+ }
 143+ for (x = 0; x < s; x++)
 144+ {
 145+ *ptr++ = 0xff;
 146+ *ptr++ = 0xff;
 147+ *ptr++ = 0xff;
 148+ ptr += ss1;
 149+ }
 150+ ptr += ls1;
 151+ }
 152+ displaylcd(ox1, oy1, x1, y1, framebuf, 0, 0, x1);
 153+
 154+ int sx = s2 / 8;
 155+ int sy = MAX(1, l2 / 256);
 156+ int i = 256 / (l2 / sy);
 157+ s = 8;
 158+ for (x = i; x > 1; x >>= 1) s--;
 159+ ptr = framebuf;
 160+ for (r = 0; r < 256; r += i)
 161+ for (y = 0; y < sy; y++)
 162+ {
 163+ for (x = 0; x < sx; x++)
 164+ {
 165+ *ptr++ = ~(r | (r >> s));
 166+ *ptr++ = ~(r | (r >> s));
 167+ *ptr++ = ~(r | (r >> s));
 168+ ptr += ss2;
 169+ }
 170+ for (x = 0; x < sx; x++)
 171+ {
 172+ *ptr++ = r | (r >> s);
 173+ *ptr++ = r | (r >> s);
 174+ *ptr++ = r | (r >> s);
 175+ ptr += ss2;
 176+ }
 177+ for (x = 0; x < sx; x++)
 178+ {
 179+ *ptr++ = 0;
 180+ *ptr++ = r | (r >> s);
 181+ *ptr++ = r | (r >> s);
 182+ ptr += ss2;
 183+ }
 184+ for (x = 0; x < sx; x++)
 185+ {
 186+ *ptr++ = r | (r >> s);
 187+ *ptr++ = 0;
 188+ *ptr++ = r | (r >> s);
 189+ ptr += ss2;
 190+ }
 191+ for (x = 0; x < sx; x++)
 192+ {
 193+ *ptr++ = r | (r >> s);
 194+ *ptr++ = r | (r >> s);
 195+ *ptr++ = 0;
 196+ ptr += ss2;
 197+ }
 198+ for (x = 0; x < sx; x++)
 199+ {
 200+ *ptr++ = r | (r >> s);
 201+ *ptr++ = 0;
 202+ *ptr++ = 0;
 203+ ptr += ss2;
 204+ }
 205+ for (x = 0; x < sx; x++)
 206+ {
 207+ *ptr++ = 0;
 208+ *ptr++ = r | (r >> s);
 209+ *ptr++ = 0;
 210+ ptr += ss2;
 211+ }
 212+ for (x = 0; x < sx; x++)
 213+ {
 214+ *ptr++ = 0;
 215+ *ptr++ = 0;
 216+ *ptr++ = r | (r >> s);
 217+ ptr += ss2;
 218+ }
 219+ ptr += ls2;
 220+ }
 221+ displaylcd(ox2, oy2, x2, y2, framebuf, 0, 0, x2);
 222+
 223+ free(framebuf);
 224+}
 225+
 226+
 227+EMCORE_APP_HEADER("LCD test pattern generator", main, 127)
Index: apps/testpattern/version.h
@@ -0,0 +1,36 @@
 2+//
 3+//
 4+// Copyright 2010 TheSeven
 5+//
 6+//
 7+// This file is part of emCORE.
 8+//
 9+// emCORE is free software: you can redistribute it and/or
 10+// modify it under the terms of the GNU General Public License as
 11+// published by the Free Software Foundation, either version 2 of the
 12+// License, or (at your option) any later version.
 13+//
 14+// emCORE is distributed in the hope that it will be useful,
 15+// but WITHOUT ANY WARRANTY; without even the implied warranty of
 16+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 17+// See the GNU General Public License for more details.
 18+//
 19+// You should have received a copy of the GNU General Public License along
 20+// with emCORE. If not, see <http://www.gnu.org/licenses/>.
 21+//
 22+//
 23+
 24+
 25+#ifndef __VERSION_H__
 26+#define __VERSION_H__
 27+
 28+
 29+#define VERSION "0.0.1pre"
 30+#define VERSION_MAJOR 0
 31+#define VERSION_MINOR 0
 32+#define VERSION_PATCH 1
 33+#define VERSION_SVN "$REVISION$"
 34+#define VERSION_SVN_INT $REVISIONINT$
 35+
 36+
 37+#endif
\ No newline at end of file
Index: apps/testpattern/Makefile
@@ -0,0 +1,121 @@
 2+NAME := testpattern
 3+STACKSIZE := 4096
 4+COMPRESS := true
 5+
 6+EMCOREDIR ?= ../../emcore/trunk/
 7+LIBUIDIR ?= ../../libs/ui/
 8+
 9+ifeq ($(shell uname),WindowsNT)
 10+CCACHE :=
 11+else
 12+CCACHE := $(shell which ccache)
 13+endif
 14+
 15+CROSS ?= arm-elf-eabi-
 16+CC := $(CCACHE) $(CROSS)gcc
 17+AS := $(CROSS)as
 18+LD := $(CROSS)ld
 19+OBJCOPY := $(CROSS)objcopy
 20+ELF2ECA := $(CROSS)elf2emcoreapp
 21+
 22+LIBINCLUDES := -I$(LIBUIDIR)/export
 23+
 24+CFLAGS += -Os -fno-pie -fno-stack-protector -fomit-frame-pointer -I. -I$(EMCOREDIR)/export $(LIBINCLUDES) -ffunction-sections -fdata-sections -mcpu=arm940t -DARM_ARCH=4
 25+LDFLAGS += "$(shell $(CC) -print-libgcc-file-name)" --emit-relocs --gc-sections
 26+
 27+preprocess = $(shell $(CC) $(PPCFLAGS) $(2) -E -P -x c $(1) | grep -v "^\#")
 28+preprocesspaths = $(shell $(CC) $(PPCFLAGS) $(2) -E -P -x c $(1) | grep -v "^\#" | sed -e "s:^..*:$(dir $(1))&:" | sed -e "s:^\\./::")
 29+
 30+REVISION := $(shell svnversion .)
 31+REVISIONINT := $(shell echo $(REVISION) | sed -e "s/[^0-9].*$$//")
 32+
 33+HELPERS := build/__emcore_armhelpers.o
 34+
 35+SRC := $(call preprocesspaths,SOURCES,-I. -I..)
 36+OBJ := $(SRC:%.c=build/%.o)
 37+OBJ := $(OBJ:%.S=build/%.o) $(HELPERS)
 38+
 39+all: $(NAME)
 40+
 41+-include $(OBJ:%=%.dep)
 42+
 43+$(NAME): build/$(NAME).emcoreapp
 44+
 45+build/$(NAME).emcoreapp: build/$(NAME).elf
 46+ @echo [EMCAPP] $<
 47+ifeq ($(COMPRESS),true)
 48+ @$(ELF2ECA) -z -s $(STACKSIZE) -o $@ $^
 49+else
 50+ @$(ELF2ECA) -s $(STACKSIZE) -o $@ $^
 51+endif
 52+
 53+build/$(NAME).elf: ls.x $(OBJ)
 54+ @echo [LD] $@
 55+ @$(LD) $(LDFLAGS) -o $@ -T ls.x $(OBJ)
 56+
 57+build/%.o: %.c build/version.h
 58+ @echo [CC] $<
 59+ifeq ($(shell uname),WindowsNT)
 60+ @-if not exist $(subst /,\,$(dir $@)) md $(subst /,\,$(dir $@))
 61+else
 62+ @-mkdir -p $(dir $@)
 63+endif
 64+ @$(CC) -c $(CFLAGS) -o $@ $<
 65+ @$(CC) -MM $(CFLAGS) $< > $@.dep.tmp
 66+ @sed -e "s|.*:|$@:|" < $@.dep.tmp > $@.dep
 67+ifeq ($(shell uname),WindowsNT)
 68+ @sed -e "s/.*://" -e "s/\\$$//" < $@.dep.tmp | fmt -1 | sed -e "s/^ *//" -e "s/$$/:/" >> $@.dep
 69+else
 70+ @sed -e 's/.*://' -e 's/\\$$//' < $@.dep.tmp | fmt -1 | sed -e 's/^ *//' -e 's/$$/:/' >> $@.dep
 71+endif
 72+ @rm -f $@.dep.tmp
 73+
 74+build/%.o: %.S build/version.h
 75+ @echo [CC] $<
 76+ifeq ($(shell uname),WindowsNT)
 77+ @-if not exist $(subst /,\,$(dir $@)) md $(subst /,\,$(dir $@))
 78+else
 79+ @-mkdir -p $(dir $@)
 80+endif
 81+ @$(CC) -c $(CFLAGS) -o $@ $<
 82+ @$(CC) -MM $(CFLAGS) $< > $@.dep.tmp
 83+ @sed -e "s|.*:|$@:|" < $@.dep.tmp > $@.dep
 84+ifeq ($(shell uname),WindowsNT)
 85+ @sed -e "s/.*://" -e "s/\\$$//" < $@.dep.tmp | fmt -1 | sed -e "s/^ *//" -e "s/$$/:/" >> $@.dep
 86+else
 87+ @sed -e 's/.*://' -e 's/\\$$//' < $@.dep.tmp | fmt -1 | sed -e 's/^ *//' -e 's/$$/:/' >> $@.dep
 88+endif
 89+ @rm -f $@.dep.tmp
 90+
 91+build/__emcore_%.o: $(EMCOREDIR)/export/%.c
 92+ @echo [CC] $<
 93+ifeq ($(shell uname),WindowsNT)
 94+ @-if not exist $(subst /,\,$(dir $@)) md $(subst /,\,$(dir $@))
 95+else
 96+ @-mkdir -p $(dir $@)
 97+endif
 98+ @$(CC) -c $(CFLAGS) -o $@ $<
 99+
 100+build/__emcore_%.o: $(EMCOREDIR)/export/%.S
 101+ @echo [CC] $<
 102+ifeq ($(shell uname),WindowsNT)
 103+ @-if not exist $(subst /,\,$(dir $@)) md $(subst /,\,$(dir $@))
 104+else
 105+ @-mkdir -p $(dir $@)
 106+endif
 107+ @$(CC) -c $(CFLAGS) -o $@ $<
 108+
 109+build/version.h: version.h .svn/entries
 110+ @echo [PP] $<
 111+ifeq ($(shell uname),WindowsNT)
 112+ @-if not exist build md build
 113+ @sed -e "s/\$$REVISION\$$/$(REVISION)/" -e "s/\$$REVISIONINT\$$/$(REVISIONINT)/" < $< > $@
 114+else
 115+ @-mkdir -p build
 116+ @sed -e 's/\$$REVISION\$$/$(REVISION)/' -e 's/\$$REVISIONINT\$$/$(REVISIONINT)/' < $< > $@
 117+endif
 118+
 119+clean:
 120+ @rm -rf build
 121+
 122+.PHONY: all clean $(NAME)
Index: apps/testpattern
Property changes on: apps/testpattern
___________________________________________________________________
Added: svn:ignore
## -0,0 +1 ##
 123+build