merged flash-safer branch (clean up flash/build scripts and make flashing less likely to produce bricks)

21 files changed, 89 insertions, 74 deletions

diff --git a/bin/build-25.sh b/bin/build-25.sh
deleted file mode 100755
index a775a0f..0000000
--- a/bin/build-25.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/bash
-
-# Instead of using a Makefile, since most of the firmwares here build in the
-# same exact way, here's a script to do the same thing
-
-export PROGRAM=$1 ; shift
-export ATTINY=25
-export MCU=attiny$ATTINY
-export CC=avr-gcc
-export OBJCOPY=avr-objcopy
-export CFLAGS="-Wall -g -Os -mmcu=$MCU -c -std=gnu99 -DATTINY=$ATTINY -I.. -I../.. -I../../.. -fshort-enums"
-export OFLAGS="-Wall -g -Os -mmcu=$MCU"
-export LDFLAGS=
-export OBJCOPYFLAGS='--set-section-flags=.eeprom=alloc,load --change-section-lma .eeprom=0 --no-change-warnings -O ihex'
-export OBJS=$PROGRAM.o
-
-for arg in "$*" ; do
-  OTHERFLAGS="$OTHERFLAGS $arg"
-done
-
-function run () {
-  echo $*
-  $*
-  if [ x"$?" != x0 ]; then exit 1 ; fi
-}
-
-run $CC $OTHERFLAGS $CFLAGS -o $PROGRAM.o -c $PROGRAM.c
-run $CC $OFLAGS $LDFLAGS -o $PROGRAM.elf $PROGRAM.o
-run $OBJCOPY $OBJCOPYFLAGS $PROGRAM.elf $PROGRAM.hex
-run avr-size -C --mcu=$MCU $PROGRAM.elf | grep Full
diff --git a/bin/build-85.sh b/bin/build-85.sh
deleted file mode 100755
index f0cf1b9..0000000
--- a/bin/build-85.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/bash
-
-# Instead of using a Makefile, since most of the firmwares here build in the
-# same exact way, here's a script to do the same thing
-
-export PROGRAM=$1 ; shift
-export ATTINY=85
-export MCU=attiny$ATTINY
-export CC=avr-gcc
-export OBJCOPY=avr-objcopy
-export CFLAGS="-Wall -g -Os -mmcu=$MCU -c -std=gnu99 -DATTINY=$ATTINY -I.. -I../.. -I../../.. -fshort-enums"
-export OFLAGS="-Wall -g -Os -mmcu=$MCU"
-export LDFLAGS=
-export OBJCOPYFLAGS='--set-section-flags=.eeprom=alloc,load --change-section-lma .eeprom=0 --no-change-warnings -O ihex'
-export OBJS=$PROGRAM.o
-
-for arg in "$*" ; do
-  OTHERFLAGS="$OTHERFLAGS $arg"
-done
-
-function run () {
-  echo $*
-  $*
-  if [ x"$?" != x0 ]; then exit 1 ; fi
-}
-
-run $CC $OTHERFLAGS $CFLAGS -o $PROGRAM.o -c $PROGRAM.c
-run $CC $OFLAGS $LDFLAGS -o $PROGRAM.elf $PROGRAM.o
-run $OBJCOPY $OBJCOPYFLAGS $PROGRAM.elf $PROGRAM.hex
-run avr-size -C --mcu=$MCU $PROGRAM.elf | grep Full
diff --git a/bin/build-tiny13.sh b/bin/build-tiny13.sh
new file mode 100755
index 0000000..d4b492f
--- /dev/null
+++ b/bin/build-tiny13.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+BASEDIR=$(dirname "$0")
+$BASEDIR/build.sh 13 $*
diff --git a/bin/build-tiny25.sh b/bin/build-tiny25.sh
new file mode 100755
index 0000000..779f1ef
--- /dev/null
+++ b/bin/build-tiny25.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+BASEDIR=$(dirname "$0")
+$BASEDIR/build.sh 25 $*
diff --git a/bin/build-tiny85.sh b/bin/build-tiny85.sh
new file mode 100755
index 0000000..6ee8397
--- /dev/null
+++ b/bin/build-tiny85.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+BASEDIR=$(dirname "$0")
+$BASEDIR/build.sh 85 $*
diff --git a/bin/build.sh b/bin/build.sh
index c1f0446..ddd2a72 100755
--- a/bin/build.sh
+++ b/bin/build.sh
@@ -3,8 +3,14 @@
 # Instead of using a Makefile, since most of the firmwares here build in the
 # same exact way, here's a script to do the same thing
 
+if [ -z "$1" ]; then
+  echo "Usage: build.sh MCU myprogram"
+  echo "MCU is a number, like '13' for attiny13 or '841' for attiny841"
+  exit
+fi
+
+export ATTINY=$1 ; shift
 export PROGRAM=$1 ; shift
-export ATTINY=13
 export MCU=attiny$ATTINY
 export CC=avr-gcc
 export OBJCOPY=avr-objcopy
diff --git a/bin/flash-25.sh b/bin/flash-25.sh
deleted file mode 100755
index 0b24bb2..0000000
--- a/bin/flash-25.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#/bin/sh
-FIRMWARE=$1
-avrdude -c usbasp -p t25 -u -U lfuse:w:0xd2:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m -Uflash:w:$FIRMWARE
-# http://www.engbedded.com/cgi-bin/fcx.cgi?P_PREV=ATtiny25&P=ATtiny25&M_LOW_0x3F=0x22&M_HIGH_0x07=0x07&M_HIGH_0x20=0x00&B_SUT1=P&B_SPIEN=P&B_CKSEL3=P&B_CKSEL2=P&B_CKSEL0=P&V_LOW=D2&V_HIGH=DF&V_EXTENDED=FF
diff --git a/bin/flash-85.sh b/bin/flash-85.sh
deleted file mode 100755
index 8d1636d..0000000
--- a/bin/flash-85.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#/bin/sh
-FIRMWARE=$1
-avrdude -c usbasp -p t85 -u -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m -Uflash:w:$FIRMWARE
-# http://www.engbedded.com/cgi-bin/fcx.cgi?P_PREV=ATtiny85&P=ATtiny85&M_LOW_0x3F=0x22&M_HIGH_0x07=0x06&M_HIGH_0x20=0x00&B_SPIEN=P&B_SUT0=P&B_CKSEL3=P&B_CKSEL2=P&B_CKSEL0=P&B_BODLEVEL0=P&V_LOW=E2&V_HIGH=DE&V_EXTENDED=FF
diff --git a/bin/flash-tiny13-fuses.bat b/bin/flash-tiny13-fuses.bat
new file mode 100755
index 0000000..cec982e
--- /dev/null
+++ b/bin/flash-tiny13-fuses.bat
@@ -0,0 +1 @@
+avrdude -c usbasp -p t13 -u -Ulfuse:w:0x75:m -Uhfuse:w:0xFF:m
diff --git a/bin/flash-tiny13-fuses.sh b/bin/flash-tiny13-fuses.sh
new file mode 100755
index 0000000..fe479a8
--- /dev/null
+++ b/bin/flash-tiny13-fuses.sh
@@ -0,0 +1,8 @@
+#/bin/sh
+# 4.8 MHz (~4.0 MHz actual), 4ms boot delay, enable flashing
+# (everything else disabled)
+# Use low fuse 0x75 for 4ms startup delay,
+#           or 0x79 for 64ms (useful on a twisty light)
+avrdude -c usbasp -p t13 -u -Ulfuse:w:0x75:m -Uhfuse:w:0xFF:m
+
+# http://www.engbedded.com/cgi-bin/fcx.cgi?P_PREV=ATtiny13A&P=ATtiny13A&M_LOW_0x0F=0x05&M_LOW_0x80=0x00&M_HIGH_0x06=0x06&B_SPIEN=P&B_SUT1=P&B_CKSEL1=P&V_LOW=75&V_HIGH=FF&O_HEX=Apply+values
diff --git a/bin/flash-tiny13.bat b/bin/flash-tiny13.bat
new file mode 100755
index 0000000..db75fd8
--- /dev/null
+++ b/bin/flash-tiny13.bat
@@ -0,0 +1 @@
+avrdude -p t13 -c usbasp -u -Uflash:w:%1:a
diff --git a/bin/flash-tiny13.sh b/bin/flash-tiny13.sh
new file mode 100755
index 0000000..47b2bfe
--- /dev/null
+++ b/bin/flash-tiny13.sh
@@ -0,0 +1,3 @@
+#/bin/sh
+FIRMWARE=$1
+avrdude -c usbasp -p t13 -u -Uflash:w:$FIRMWARE
diff --git a/bin/flash-tiny25-fuses.sh b/bin/flash-tiny25-fuses.sh
new file mode 100755
index 0000000..65d5b1d
--- /dev/null
+++ b/bin/flash-tiny25-fuses.sh
@@ -0,0 +1,8 @@
+#/bin/sh
+# 8 MHz, 4ms boot delay, enable flashing
+# (everything else disabled)
+# Use low fuse 0xD2 for 4ms startup delay,
+#           or 0xE2 for 64ms (useful on a twisty light)
+avrdude -c usbasp -p t25 -u -U lfuse:w:0xd2:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m
+
+# http://www.engbedded.com/cgi-bin/fcx.cgi?P_PREV=ATtiny25&P=ATtiny25&M_LOW_0x3F=0x22&M_HIGH_0x07=0x07&M_HIGH_0x20=0x00&B_SPIEN=P&B_SUT0=P&B_CKSEL3=P&B_CKSEL2=P&B_CKSEL0=P&V_LOW=E2&V_HIGH=DF&V_EXTENDED=FF&O_HEX=Apply+values
diff --git a/bin/flash-tiny25.sh b/bin/flash-tiny25.sh
new file mode 100755
index 0000000..9975671
--- /dev/null
+++ b/bin/flash-tiny25.sh
@@ -0,0 +1,3 @@
+#/bin/sh
+FIRMWARE=$1
+avrdude -c usbasp -p t25 -u -Uflash:w:$FIRMWARE
diff --git a/bin/flash-tiny85-fuses.sh b/bin/flash-tiny85-fuses.sh
new file mode 100755
index 0000000..e517b2d
--- /dev/null
+++ b/bin/flash-tiny85-fuses.sh
@@ -0,0 +1,8 @@
+#/bin/sh
+# 8 MHz, 64ms boot delay, enable flashing
+# (everything else disabled)
+# Use low fuse 0xD2 for 4ms startup delay,
+#           or 0xE2 for 64ms (useful on a twisty light)
+avrdude -c usbasp -p t85 -u -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m
+
+# http://www.engbedded.com/cgi-bin/fcx.cgi?P_PREV=ATtiny85&P=ATtiny85&M_LOW_0x3F=0x22&M_HIGH_0x07=0x07&M_HIGH_0x20=0x00&B_SPIEN=P&B_SUT0=P&B_CKSEL3=P&B_CKSEL2=P&B_CKSEL0=P&V_LOW=E2&V_HIGH=DF&V_EXTENDED=FF&O_HEX=Apply+values
diff --git a/bin/flash-tiny85.sh b/bin/flash-tiny85.sh
new file mode 100755
index 0000000..0f5a292
--- /dev/null
+++ b/bin/flash-tiny85.sh
@@ -0,0 +1,3 @@
+#/bin/sh
+FIRMWARE=$1
+avrdude -c usbasp -p t85 -u -Uflash:w:$FIRMWARE
diff --git a/bin/flash.sh b/bin/flash.sh
index 9c2ef82..0423c90 100755
--- a/bin/flash.sh
+++ b/bin/flash.sh
@@ -1,3 +1,19 @@
-#/bin/sh
-FIRMWARE=$1
-avrdude -c usbasp -p t13 -u -Uflash:w:$FIRMWARE -Ulfuse:w:0x75:m -Uhfuse:w:0xFF:m
+#!/bin/bash
+
+# Flashes both fuses and firmware.
+
+if [ -z "$1" ]; then
+  echo "Usage: flash.sh MCU myprogram[.hex]"
+  echo "MCU is a number, like '13' for attiny13 or '841' for attiny841"
+  echo "The .hex suffix is optional."
+  exit
+fi
+
+set -e
+
+BASEDIR=$(dirname "$0")
+export ATTINY=$1 ; shift
+export PROGRAM=$1 ; shift
+if [ ! -f "$PROGRAM" ]; then PROGRAM="$PROGRAM".hex ; fi
+$BASEDIR/flash-tiny"$ATTINY"-fuses.sh
+$BASEDIR/flash-tiny"$ATTINY".sh "$PROGRAM"
diff --git a/spaghetti-monster/anduril/Makefile b/spaghetti-monster/anduril/Makefile
new file mode 100644
index 0000000..25c56fa
--- /dev/null
+++ b/spaghetti-monster/anduril/Makefile
@@ -0,0 +1,7 @@
+all:
+	./build-all.sh
+
+clean:
+	rm -f *.hex *~ *.elf *.o
+
+.phony: clean
diff --git a/spaghetti-monster/anduril/build-all.sh b/spaghetti-monster/anduril/build-all.sh
index 9e2a83c..68d32fb 100755
--- a/spaghetti-monster/anduril/build-all.sh
+++ b/spaghetti-monster/anduril/build-all.sh
@@ -18,6 +18,6 @@ for TARGET in \
   FW3A \
   ; do
   echo "===== $TARGET ====="
-  ../../../bin/build-85.sh "$UI" "-DFSM_${TARGET}_DRIVER"
+  ../../../bin/build.sh 85 "$UI" "-DFSM_${TARGET}_DRIVER"
   mv -f "$UI".hex "$UI".$TARGET.hex
 done
diff --git a/spaghetti-monster/rampingios/Makefile b/spaghetti-monster/rampingios/Makefile
new file mode 100644
index 0000000..8db198e
--- /dev/null
+++ b/spaghetti-monster/rampingios/Makefile
@@ -0,0 +1,7 @@
+all:
+	./build-all.sh
+
+clean:
+	rm -f *.hex cfg-*.h *~ *.elf *.o
+
+.phony: clean
diff --git a/spaghetti-monster/rampingios/build-all.sh b/spaghetti-monster/rampingios/build-all.sh
index 22597b7..5b75fe4 100755
--- a/spaghetti-monster/rampingios/build-all.sh
+++ b/spaghetti-monster/rampingios/build-all.sh
@@ -13,6 +13,6 @@ for TARGET in \
   EMISAR_D4S_219C \
   ; do
   echo "===== $TARGET ====="
-  ../../../bin/build-85.sh "$UI" "-DFSM_${TARGET}_DRIVER"
+  ../../../bin/build.sh 85 "$UI" "-DFSM_${TARGET}_DRIVER"
   mv -f "$UI".hex "$UI".$TARGET.hex
 done