src/#Makefile#

@@ -0,0 +1,163 @@
+
+PROJ=bate
+
+PATH:=/usr/local/bin:$(PATH)
+
+default: all
+all: $(PROJ).hex
+
+SN_bate = 1
+MCU_bate = attiny424
+C_FILES_bate = uart.c rtc.c spi.c adc.c calib.c mul.c cmd.c
+S_FILES_bate = uart_tx.S
+
+MCU = $(MCU_$(PROJ))
+# When flash gets tight, use `OPT=-Os`, or use more assembler :-)
+OPT = -O2
+
+CC=avr-gcc -Wall -Wno-parentheses -MMD -std=c99 $(OPT) \
+  -mmcu=$(MCU) \
+  -funsigned-char \
+  -funsigned-bitfields \
+  -fpack-struct \
+  -fshort-enums \
+  -mtiny-stack \
+  -mint8 \
+  -fverbose-asm
+
+SN = $(SN_$(PROJ))
+CFLAGS = $($*_CFLAGS) $(DEBUG) -I. -DSN="$(SN)"
+
+C_FILES = $(C_FILES_$(PROJ))
+S_FILES = $(S_FILES_$(PROJ))
+OBJS = $(patsubst %.c, %.o, $(C_FILES)) $(patsubst %.S, %.o, $(S_FILES))
+
+%.s: %.c %.o
+	$(CC) $(CFLAGS) -S $<
+
+%.o: %.c
+	$(CC) -g $(CFLAGS) -c $<
+
+%.o: %.S
+	$(CC) -g $(CFLAGS) -c $<
+
+-include *.d
+
+LDFLAGS = -Teeprom.ld
+
+%.elf: %.o $(OBJS)
+	$(CC) $(CFLAGS) -Wl,-Map=$*.map,--cref $^ --output $@ $(LDFLAGS)
+
+OBJCOPY = avr-objcopy
+
+%.hex: %.elf
+	$(OBJCOPY) -O ihex -R .eeprom -R .eemap $< $@
+
+%.eeprom: %.elf
+	$(OBJCOPY) -O ihex -j .eemap --change-section-lma .eemap=0 $< $@
+
+
+pMCU-attiny424 = t424
+
+#
+#avrdude> dump fuses
+#>>> dump fuses 0x0 0x9
+#
+#Reading | ################################################## | 100% 0.13 s 
+#
+#0000  00 00 7e ff ff f6 ff 00  00                       |..~......       |
+#
+#avrdude> 
+
+# WDT
+fuse0_bate= 0x00
+# BOD
+fuse1_bate= 0x00
+# OSC, 20 MHz
+fuse2_bate= 0x7e
+# ???
+fuse4_bate= 0xff
+# SYS0 (default 0xf6)  RESET, EEPROM erase
+fuse5_bate= 0xf7
+# SYS1 startup time (64ms)
+fuse6_bate= 0xff 
+# APPEND
+fuse7_bate= 0x00 
+# BOOTEND
+fuse8_bate= 0x00
+fuses_bate =$(patsubst %, 0x%, 00 00 7e ff ff f7 ff 00  00)
+
+AVRDUDEPROG = avrdude
+AVRDUDE = $(AVRDUDEPROG)
+AVRDUDE_PROGRAMMER = serialupdi
+AVRDUDE_PORT = /dev/ttyUSB1
+
+AD = $(AVRDUDE) -p $(pMCU-$(MCU)) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
+
+sig_bate = 0x1e 0x92 0x2c
+
+id: $(PROJ).id
+%.id:
+	$(AD) -qq -U signature:v:"$(sig_$*)":m
+
+ad: $(PROJ).ad
+%.ad:
+	$(AD) -v -t
+
+%.burn: %.hex
+	$(AD) -U flash:v:$< || $(AD) -U flash:w:$<
+
+%.verify: %.hex %.eeprom
+	-$(AD) -qq -U fuses:v:"$(fuses_$*)":m
+	-$(AD) -qq -U userrow:v:"$(BATE_CONFIG)":m
+	-$(AD) -qq -U eeprom:v:$(word 2, $^)
+	-$(AD) -qq -U flash:v:$<
+
+fuse: $(PROJ).fuse$F
+
+%.fuse$F:
+	echo "$*: fuse$F = $(fuse$F_$*)"
+	[ -n "$(fuse$F_$*)" ] && $(AD) -B 5 -U fuse$F:w:$(fuse$F_$*):m
+
+# see bate.c: Configuration in USERROW
+BC_MAGIC = 0xba
+BC_VERS  = 6
+BC_TRIG  = 0x28
+BC_SEND  = 0x59
+BC_PWR   = 0x7c
+BC_TEST  = 0
+BC_SPI   = 0xff
+BC_MDEL  = 2
+BC_PER   = 9 0
+BC_CPER  = 43 1
+
+BC_CLK   = 1
+BC_MCLK  = 0
+BC_BAUD  = 0 0
+BC_UART  = 0xd0
+BC_PIT   = 0xff
+BC_IMM   = 5
+
+BATE_CONFIG = $(BC_MAGIC) $(BC_VERS) \
+              $(BC_TRIG) $(BC_SEND) $(BC_PWR) $(BC_TEST) \
+              $(BC_SPI) $(BC_MDEL) $(BC_PER) $(BC_CPER) \
+              $(BC_CLK) $(BC_MCLK) $(BC_BAUD) $(BC_UART) \
+              $(BC_PIT) $(BC_IMM)
+
+bate.config:
+	$(AD) -U userrow:v:"$(BATE_CONFIG)":m \
+     ||	$(AD) -U userrow:w:"$(BATE_CONFIG)":m
+
+clean:
+	rm -f *.hex *.o *.s *.map *.elf *.d
+
+.PHONY: eeprom.eeprom
+eeprom.eeprom:
+	$(AD) -U eeprom:r:$@
+%.eeprom.burn: %.eeprom
+	$(AD) -U eeprom:v:$< || $(AD) -U eeprom:w:$< 
+
+calib: calib.c mul.c
+	gcc -DCALIB_DEBUG -o $@ $<
+mul: mul.c
+	gcc -DMUL_TEST -o $@ $<

src/.#Makefile

@@ -0,0 +1 @@
+stephan@blaulicht.31918:1708279459

src/Makefile

@@ -121,15 +121,15 @@ fuse: $(PROJ).fuse$F
 
 # see bate.c: Configuration in USERROW
 BC_MAGIC = 0xba
-BC_VERS  = 8
-BC_TRIG  = 0x29
+BC_VERS  = 6
+BC_TRIG  = 0x28
 BC_SEND  = 0x59
-BC_PWR   = 0x7c
+BC_PWR   = 0x2d
 BC_TEST  = 0
 BC_SPI   = 0xff
 BC_MDEL  = 2
-BC_PER   = 9
-BC_CPER  = 30
+BC_PER   = 9 0
+BC_CPER  = 43 1
 
 BC_CLK   = 1
 BC_MCLK  = 0

src/bate.c

@@ -364,7 +364,7 @@ struct config config = {
 	.triggers   = TRIGGER_CLOCK | TRIGGER_IMMED,
 	.mclk_delay = 2,
 	.period     = 59,
-	.confp      = 59,
+	.cperiod    = 3599,
 	.uart_mode  = UART_Tx | UART_Rx | UART_SFD,
 };
 
@@ -426,9 +426,9 @@ int main()
 
 	uint8_t trigger = TRIGGER_CONT | TRIGGER_ONCE;
 	uint8_t mclk_delay = 0;
-	uint8_t trigger_clock = 0;
-	uint8_t config_clock = 0;
-	uint8_t send_config = 0;
+	static uint16_t trigger_clock = 0;
+	static uint16_t config_clock = 0;
+	uint8_t send_config = 1;
 	uint8_t uart_rx_delay = 0;
 	immediate = config.immediate;
 	test_calib = config.calib_test;
@@ -444,6 +444,10 @@ int main()
 				trigger |= TRIGGER_CLOCK;
 				trigger_clock = config.period;
 			}
+			if (config.send & SEND_CONFIG && !config_clock--) {
+				send_config = 1;
+				config_clock = config.cperiod;
+			}
 			if (uart_rx_delay)
 				uart_rx_delay--;
 		}
@@ -523,11 +527,6 @@ int main()
 			continue;
 		}
 
-		if (config.send & SEND_CONFIG && !config_clock--) {
-			send_config = 1;
-			config_clock = config.confp;
-		}
-
 		if (immediate)
 			immediate--;
 
@@ -539,6 +538,7 @@ int main()
 			start_adc();
 
 		if (send_config) {
+			send_config = 0;
 			send_hex('S', (uint8_t *)&SIGROW, sizeof(SIGROW_t), 0);
 			send_hex('F', (uint8_t *)&FUSE, sizeof(FUSE_t), 1);
 			send_hex('U', (uint8_t *)&USERROW, sizeof(USERROW_t), 1);
@@ -583,6 +583,5 @@ int main()
 
 		uart_tick();
 		trigger = TRIGGER_CONT;
-		send_config = 0;
 	}
 }

src/bate.h

@@ -17,8 +17,8 @@ struct config {
 	uint8_t   calib_test;
 	uint8_t   spi_div;
 	uint8_t   mclk_delay;
-	uint8_t   period;
-	uint8_t   confp;
+	uint16_t  period;
+	uint16_t  cperiod;
 	uint8_t   cpu_clk;
 	uint8_t   mclk_period;
 	uint16_t  baud_div;
@@ -30,7 +30,7 @@ struct config {
 
 enum magic_flags {
 	USE_USERROW       = 0xBA,
-	USE_VERSION       = 0x08,
+	USE_VERSION       = 0x07,
 };
 enum power_flags {
 	POWER_DOWN        = 0x01,