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4 changed files with 16 additions and 40 deletions

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@ -1,16 +0,0 @@
BasedOnStyle: LLVM
IndentWidth: 4 # Use 4 spaces for indentation
TabWidth: 4 # Tab width is also 4 spaces
UseTab: Never # Always use spaces instead of tabs
ColumnLimit: 120 # Wrap lines after 80 characters
AllowShortLoopsOnASingleLine: true
AlwaysBreakTemplateDeclarations: true
BreakConstructorInitializers: BeforeComma
AlignConsecutiveDeclarations:
Enabled: true
AcrossEmptyLines: false
AcrossComments: false
AlignCompound: false
AlignFunctionPointers: false
PadOperators: false
AlignConsecutiveMacros: true

1
.gitignore vendored
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@ -4,4 +4,3 @@ bin/
*.bin *.bin
generated.*.ld generated.*.ld
compile_commands.json compile_commands.json
tags

31
main.c
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@ -2,30 +2,31 @@
#include <libopencm3/stm32/rcc.h> #include <libopencm3/stm32/rcc.h>
static void clock_setup(void) { static void clock_setup(void) {
// Use external 8 MHz HSE and PLL to 72 MHz // Use external 8 MHz HSE and PLL to 72 MHz
rcc_clock_setup_pll(&rcc_hse_configs[RCC_CLOCK_HSE8_72MHZ]); rcc_clock_setup_pll(&rcc_hse_configs[RCC_CLOCK_HSE8_72MHZ]);
rcc_periph_clock_enable(RCC_GPIOC); rcc_periph_clock_enable(RCC_GPIOC);
} }
static void gpio_setup(void) { static void gpio_setup(void) {
// gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO13); // gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO13);
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO13); gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL,
GPIO13);
} }
static void delay(volatile uint32_t count) { static void delay(volatile uint32_t count) {
while (count-- > 0) { while (count-- > 0) {
__asm__("nop"); __asm__("nop");
} }
} }
int main(void) { int main(void) {
clock_setup(); clock_setup();
gpio_setup(); gpio_setup();
while (1) { while (1) {
gpio_toggle(GPIOC, GPIO13); // On Blue Pill: LED is on PC13 gpio_toggle(GPIOC, GPIO13); // On Blue Pill: LED is on PC13
delay(10000000); // Crude delay loop delay(10000000); // Crude delay loop
} }
return 0; return 0;
} }

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@ -1,8 +0,0 @@
#!/usr/bin/env bash
make clean
make -C libopencm3 clean
bear -- make -C libopencm3 -j$(nproc)
bear --append -- make -j$(nproc)
ctags -R .