7 files changed, 118 insertions, 0 deletions
diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..9e86f13
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,17 @@
+PROJECT = blink-led
+BUILD_DIR = bin
+
+CFILES = main.c
+
+# TODO - you will need to edit these two lines!
+DEVICE=stm32f103c8
+OOCD_FILE = board/stm32f4discovery.cfg
+
+# You shouldn't have to edit anything below here.
+VPATH += $(SHARED_DIR)
+INCLUDES += $(patsubst %,-I%, . $(SHARED_DIR))
+OPENCM3_DIR=../libopencm3
+
+include $(OPENCM3_DIR)/mk/genlink-config.mk
+include ../rules.mk
+include $(OPENCM3_DIR)/mk/genlink-rules.mk
diff --git a/src/bin/main.d b/src/bin/main.d
new file mode 100644
index 0000000..0bf80b9
--- /dev/null
+++ b/src/bin/main.d
@@ -0,0 +1,18 @@
+bin/main.o: main.c ../libopencm3/include/libopencm3/stm32/rcc.h \
+ ../libopencm3/include/libopencm3/cm3/common.h \
+ /usr/lib/gcc/arm-none-eabi/14.2.0/include/stdint.h \
+ /usr/arm-none-eabi/include/stdint.h \
+ /usr/arm-none-eabi/include/machine/_default_types.h \
+ /usr/arm-none-eabi/include/sys/features.h \
+ /usr/arm-none-eabi/include/_newlib_version.h \
+ /usr/arm-none-eabi/include/sys/_intsup.h \
+ /usr/arm-none-eabi/include/sys/_stdint.h \
+ /usr/lib/gcc/arm-none-eabi/14.2.0/include/stdbool.h \
+ ../libopencm3/include/libopencm3/stm32/memorymap.h \
+ ../libopencm3/include/libopencm3/stm32/f1/memorymap.h \
+ ../libopencm3/include/libopencm3/cm3/memorymap.h \
+ ../libopencm3/include/libopencm3/stm32/f1/rcc.h \
+ ../libopencm3/include/libopencm3/stm32/common/rcc_common_all.h \
+ ../libopencm3/include/libopencm3/stm32/gpio.h \
+ ../libopencm3/include/libopencm3/stm32/f1/gpio.h \
+ ../libopencm3/include/libopencm3/stm32/common/gpio_common_all.h
diff --git a/src/bin/main.o b/src/bin/main.o
new file mode 100644
index 0000000..faa4061
--- /dev/null
+++ b/src/bin/main.o
diff --git a/src/blink-led.bin b/src/blink-led.bin
new file mode 100755
index 0000000..028bf9d
--- /dev/null
+++ b/src/blink-led.bin
diff --git a/src/blink-led.elf b/src/blink-led.elf
new file mode 100755
index 0000000..05500f1
--- /dev/null
+++ b/src/blink-led.elf
diff --git a/src/generated.stm32f103c8.ld b/src/generated.stm32f103c8.ld
new file mode 100644
index 0000000..7b7234a
--- /dev/null
+++ b/src/generated.stm32f103c8.ld
@@ -0,0 +1,69 @@
+EXTERN(vector_table)
+ENTRY(reset_handler)
+MEMORY
+{
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 64K
+}
+SECTIONS
+{
+ .text : {
+  *(.vectors)
+  *(.text*)
+  . = ALIGN(4);
+  *(.rodata*)
+  . = ALIGN(4);
+ } >rom
+ .preinit_array : {
+  . = ALIGN(4);
+  __preinit_array_start = .;
+  KEEP (*(.preinit_array))
+  __preinit_array_end = .;
+ } >rom
+ .init_array : {
+  . = ALIGN(4);
+  __init_array_start = .;
+  KEEP (*(SORT(.init_array.*)))
+  KEEP (*(.init_array))
+  __init_array_end = .;
+ } >rom
+ .fini_array : {
+  . = ALIGN(4);
+  __fini_array_start = .;
+  KEEP (*(.fini_array))
+  KEEP (*(SORT(.fini_array.*)))
+  __fini_array_end = .;
+ } >rom
+ .ARM.extab : {
+  *(.ARM.extab*)
+ } >rom
+ .ARM.exidx : {
+  __exidx_start = .;
+  *(.ARM.exidx*)
+  __exidx_end = .;
+ } >rom
+ . = ALIGN(4);
+ _etext = .;
+ .noinit (NOLOAD) : {
+  *(.noinit*)
+ } >ram
+ . = ALIGN(4);
+ .data : {
+  _data = .;
+  *(.data*)
+  *(.ramtext*)
+  . = ALIGN(4);
+  _edata = .;
+ } >ram AT >rom
+ _data_loadaddr = LOADADDR(.data);
+ .bss : {
+  *(.bss*)
+  *(COMMON)
+  . = ALIGN(4);
+  _ebss = .;
+ } >ram
+ /DISCARD/ : { *(.eh_frame) }
+ . = ALIGN(4);
+ end = .;
+}
+PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram));
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..7b446ca
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,14 @@
+#define STM32F1
+#include <libopencm3/stm32/rcc.h>
+#include <libopencm3/stm32/gpio.h>
+
+int main(void) {
+    rcc_periph_clock_enable(RCC_GPIOC);
+
+    gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO13);
+    while (1) {
+        for (int i = 0; i < 1000000; i++)
+            __asm__("nop");
+        gpio_toggle(GPIOC, GPIO13);
+    }
+}