From 7fc1e4c3ecf8f825416111334aa65b298d8dd1c0 Mon Sep 17 00:00:00 2001
From: LongHairedHacker <sebastian@sebastians-site.de>
Date: Fri, 10 Jul 2020 19:01:20 +0200
Subject: [PATCH] Added start of firmware

---
 .gitignore                                    |   5 +
 firmware/Makefile                             |  61 ++++++++
 firmware/main.c                               | 132 ++++++++++++++++++
 fp-lib-table => pcb/fp-lib-table              |   0
 {gerber => pcb/gerber}/mate-driver-1.0.0.zip  | Bin
 {gerber => pcb/gerber}/mate-driver-B_Cu.gbr   |   0
 {gerber => pcb/gerber}/mate-driver-B_Mask.gbr |   0
 .../gerber}/mate-driver-B_SilkS.gbr           |   0
 .../gerber}/mate-driver-Edge_Cuts.gbr         |   0
 {gerber => pcb/gerber}/mate-driver-F_Cu.gbr   |   0
 {gerber => pcb/gerber}/mate-driver-F_Mask.gbr |   0
 .../gerber}/mate-driver-F_Paste.gbr           |   0
 .../gerber}/mate-driver-F_SilkS.gbr           |   0
 {gerber => pcb/gerber}/mate-driver.drl        |   0
 .../logos.pretty}/ar3itrary.kicad_mod         |   0
 .../logos.pretty}/clubmate.kicad_mod          |   0
 .../mate-driver-cache.lib                     |   0
 .../mate-driver.kicad_pcb                     |   0
 mate-driver.pro => pcb/mate-driver.pro        |   0
 mate-driver.sch => pcb/mate-driver.sch        |   0
 20 files changed, 198 insertions(+)
 create mode 100644 firmware/Makefile
 create mode 100644 firmware/main.c
 rename fp-lib-table => pcb/fp-lib-table (100%)
 rename {gerber => pcb/gerber}/mate-driver-1.0.0.zip (100%)
 rename {gerber => pcb/gerber}/mate-driver-B_Cu.gbr (100%)
 rename {gerber => pcb/gerber}/mate-driver-B_Mask.gbr (100%)
 rename {gerber => pcb/gerber}/mate-driver-B_SilkS.gbr (100%)
 rename {gerber => pcb/gerber}/mate-driver-Edge_Cuts.gbr (100%)
 rename {gerber => pcb/gerber}/mate-driver-F_Cu.gbr (100%)
 rename {gerber => pcb/gerber}/mate-driver-F_Mask.gbr (100%)
 rename {gerber => pcb/gerber}/mate-driver-F_Paste.gbr (100%)
 rename {gerber => pcb/gerber}/mate-driver-F_SilkS.gbr (100%)
 rename {gerber => pcb/gerber}/mate-driver.drl (100%)
 rename {logos.pretty => pcb/logos.pretty}/ar3itrary.kicad_mod (100%)
 rename {logos.pretty => pcb/logos.pretty}/clubmate.kicad_mod (100%)
 rename mate-driver-cache.lib => pcb/mate-driver-cache.lib (100%)
 rename mate-driver.kicad_pcb => pcb/mate-driver.kicad_pcb (100%)
 rename mate-driver.pro => pcb/mate-driver.pro (100%)
 rename mate-driver.sch => pcb/mate-driver.sch (100%)

diff --git a/.gitignore b/.gitignore
index c6b7354..e3cd262 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,8 @@ _autosave-*
 *-save.pro
 *-save.kicad_pcb
 fp-info-cache
+
+# Firmware
+*.o
+*.hex
+*.elf
diff --git a/firmware/Makefile b/firmware/Makefile
new file mode 100644
index 0000000..866fe2d
--- /dev/null
+++ b/firmware/Makefile
@@ -0,0 +1,61 @@
+AVRMCU = attiny2313
+F_CPU = 8000000
+
+VERSION = 0.1
+
+HEADERS =
+SRC = main.c
+TARGET = mate-driver-$(AVRMCU)
+OBJDIR = bin
+
+CC = avr-gcc
+OBJCOPY = avr-objcopy
+OBJDUMP = avr-objdump
+SIZE = avr-size
+
+
+OBJ = $(SRC:%.c=$(OBJDIR)/%.o)
+
+CFLAGS = -Os -Wall -Wstrict-prototypes
+CFLAGS += -fshort-enums -fpack-struct -funsigned-char -funsigned-bitfields
+CFLAGS += -mmcu=$(AVRMCU) -DF_CPU=$(F_CPU)UL -DVERSION=$(VERSION)
+
+
+all: start $(OBJDIR)/$(TARGET).hex size
+	@echo ":: Done !"
+
+start:
+	@echo "Mate driver firmare version $(VERSION)"
+	@echo "======================================"
+	@echo ":: Building for $(AVRMCU)"
+	@echo ":: MCU operating frequency is $(F_CPU)Hz"
+
+$(OBJDIR)/%.o: %.c $(HEADERS)
+	@mkdir -p $$(dirname $@)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+
+$(OBJDIR)/$(TARGET).elf: $(OBJ)
+	$(CC) $(CFLAGS) $+ -o $@
+
+$(OBJDIR)/$(TARGET).hex: $(OBJDIR)/$(TARGET).elf
+	$(OBJCOPY) -O ihex $< $@
+
+size: $(OBJDIR)/$(TARGET).elf
+	@echo
+	@$(SIZE) --mcu=$(AVRMCU) -C $(OBJDIR)/$(TARGET).elf
+	@echo
+
+clean:
+	@rm -rf $(OBJDIR)
+
+fuse:
+	avrdude -c usbasp \
+		-p $(AVRMCU) \
+		-B 10 \
+		-U lfuse:w:0xde:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m
+
+flash: all
+	avrdude -c usbasp \
+		-p $(AVRMCU) \
+        -U flash:w:$(OBJDIR)/$(TARGET).hex
diff --git a/firmware/main.c b/firmware/main.c
new file mode 100644
index 0000000..d78b0ac
--- /dev/null
+++ b/firmware/main.c
@@ -0,0 +1,132 @@
+#include <avr/io.h>
+#include <util/delay.h>
+
+static inline void hbridge_init() {
+	DDRB |= (1 << PB2); // PWM
+	DDRB |= (1 << PB0) | (1 << PB1); // H1 L1
+	DDRB |= (1 << PB3) | (1 << PB4); // H2 L2
+}
+
+
+static inline void hbridge_set_h1() {
+	PORTB |= (1 << PB0);
+}
+static inline void hbridge_unset_h1() {
+	PORTB &= ~(1 << PB0);
+}
+
+static inline void hbridge_set_l1() {
+	PORTB |= (1 << PB1);
+}
+static inline void hbridge_unset_l1() {
+	PORTB &= ~(1 << PB1);
+}
+
+static inline void hbridge_set_h2() {
+	PORTB |= (1 << PB3);
+}
+static inline void hbridge_unset_h2() {
+	PORTB &= ~(1 << PB3);
+}
+
+static inline void hbridge_set_l2() {
+	PORTB |= (1 << PB4);
+}
+static inline void hbridge_unset_l2() {
+	PORTB &= ~(1 << PB4);
+}
+
+
+static inline void pwm_cycle_backwards(uint8_t speed) {
+	hbridge_unset_l2();
+	hbridge_set_l1();
+	for(uint8_t i = 0; i < 8; i++) {
+		if((speed & (1 << i)) != 0) {
+			hbridge_set_h2();
+		}
+		for(uint8_t j = 0; j < (1 << i); j++) {
+			_delay_us(2);
+		}
+		hbridge_unset_h2();
+	}
+}
+
+
+static inline void pwm_cycle_forwards(uint8_t speed) {
+	hbridge_unset_l1();
+	hbridge_set_l2();
+	for(uint8_t i = 0; i < 8; i++) {
+		if((speed & (1 << i)) != 0) {
+			hbridge_set_h1();
+		}
+		for(uint8_t j = 0; j < (1 << i); j++) {
+			_delay_us(2);
+		}
+		hbridge_unset_h1();
+	}
+}
+
+int main(void) {
+
+
+	_delay_ms(5000);
+
+	hbridge_init();
+
+
+	while(1) {
+		//hbridge_set_l1();
+
+		for(uint8_t speed = 20; speed <= 230; speed++) {
+			for(uint16_t i = 0; i < 250; i++) {
+				pwm_cycle_forwards(speed);
+			}
+		}
+
+		hbridge_unset_h2();
+		hbridge_unset_h2();
+		hbridge_set_l1();
+		hbridge_set_l2();
+		_delay_ms(1000);
+		hbridge_unset_l2();
+		hbridge_unset_l2();
+
+		for(uint8_t speed = 20; speed <= 230; speed++) {
+			for(uint16_t i = 0; i < 250; i++) {
+				pwm_cycle_backwards(speed);
+			}
+		}
+
+		hbridge_unset_h2();
+		hbridge_unset_h2();
+		hbridge_set_l1();
+		hbridge_set_l2();
+		_delay_ms(1000);
+		hbridge_unset_l2();
+		hbridge_unset_l2();
+
+		/*
+
+		for(uint16_t i = 0; i  < 5000; i++) {
+			hbridge_set_h2();
+			_delay_ms(0.9);
+			hbridge_unset_h2();
+			_delay_ms(0.1);
+		}
+
+		hbridge_set_l2();
+		_delay_ms(100);
+		hbridge_unset_l1();
+
+
+		for(uint16_t i = 0; i  < 5000; i++) {
+			hbridge_set_h1();
+			_delay_ms(0.9);
+			hbridge_unset_h1();
+			_delay_ms(0.1);
+		}
+*/
+	}
+
+
+}
diff --git a/fp-lib-table b/pcb/fp-lib-table
similarity index 100%
rename from fp-lib-table
rename to pcb/fp-lib-table
diff --git a/gerber/mate-driver-1.0.0.zip b/pcb/gerber/mate-driver-1.0.0.zip
similarity index 100%
rename from gerber/mate-driver-1.0.0.zip
rename to pcb/gerber/mate-driver-1.0.0.zip
diff --git a/gerber/mate-driver-B_Cu.gbr b/pcb/gerber/mate-driver-B_Cu.gbr
similarity index 100%
rename from gerber/mate-driver-B_Cu.gbr
rename to pcb/gerber/mate-driver-B_Cu.gbr
diff --git a/gerber/mate-driver-B_Mask.gbr b/pcb/gerber/mate-driver-B_Mask.gbr
similarity index 100%
rename from gerber/mate-driver-B_Mask.gbr
rename to pcb/gerber/mate-driver-B_Mask.gbr
diff --git a/gerber/mate-driver-B_SilkS.gbr b/pcb/gerber/mate-driver-B_SilkS.gbr
similarity index 100%
rename from gerber/mate-driver-B_SilkS.gbr
rename to pcb/gerber/mate-driver-B_SilkS.gbr
diff --git a/gerber/mate-driver-Edge_Cuts.gbr b/pcb/gerber/mate-driver-Edge_Cuts.gbr
similarity index 100%
rename from gerber/mate-driver-Edge_Cuts.gbr
rename to pcb/gerber/mate-driver-Edge_Cuts.gbr
diff --git a/gerber/mate-driver-F_Cu.gbr b/pcb/gerber/mate-driver-F_Cu.gbr
similarity index 100%
rename from gerber/mate-driver-F_Cu.gbr
rename to pcb/gerber/mate-driver-F_Cu.gbr
diff --git a/gerber/mate-driver-F_Mask.gbr b/pcb/gerber/mate-driver-F_Mask.gbr
similarity index 100%
rename from gerber/mate-driver-F_Mask.gbr
rename to pcb/gerber/mate-driver-F_Mask.gbr
diff --git a/gerber/mate-driver-F_Paste.gbr b/pcb/gerber/mate-driver-F_Paste.gbr
similarity index 100%
rename from gerber/mate-driver-F_Paste.gbr
rename to pcb/gerber/mate-driver-F_Paste.gbr
diff --git a/gerber/mate-driver-F_SilkS.gbr b/pcb/gerber/mate-driver-F_SilkS.gbr
similarity index 100%
rename from gerber/mate-driver-F_SilkS.gbr
rename to pcb/gerber/mate-driver-F_SilkS.gbr
diff --git a/gerber/mate-driver.drl b/pcb/gerber/mate-driver.drl
similarity index 100%
rename from gerber/mate-driver.drl
rename to pcb/gerber/mate-driver.drl
diff --git a/logos.pretty/ar3itrary.kicad_mod b/pcb/logos.pretty/ar3itrary.kicad_mod
similarity index 100%
rename from logos.pretty/ar3itrary.kicad_mod
rename to pcb/logos.pretty/ar3itrary.kicad_mod
diff --git a/logos.pretty/clubmate.kicad_mod b/pcb/logos.pretty/clubmate.kicad_mod
similarity index 100%
rename from logos.pretty/clubmate.kicad_mod
rename to pcb/logos.pretty/clubmate.kicad_mod
diff --git a/mate-driver-cache.lib b/pcb/mate-driver-cache.lib
similarity index 100%
rename from mate-driver-cache.lib
rename to pcb/mate-driver-cache.lib
diff --git a/mate-driver.kicad_pcb b/pcb/mate-driver.kicad_pcb
similarity index 100%
rename from mate-driver.kicad_pcb
rename to pcb/mate-driver.kicad_pcb
diff --git a/mate-driver.pro b/pcb/mate-driver.pro
similarity index 100%
rename from mate-driver.pro
rename to pcb/mate-driver.pro
diff --git a/mate-driver.sch b/pcb/mate-driver.sch
similarity index 100%
rename from mate-driver.sch
rename to pcb/mate-driver.sch