EMTime/libopencm3
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Cosmetics.

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This commit is contained in:
Uwe Hermann
2010-12-20 19:52:51 +01:00
parent 44442e44c9
commit 5060261413
6 changed files with 16 additions and 18 deletions
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17
examples/obldc/systick/systick.c
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@@ -30,6 +30,7 @@ void gpio_setup(void)
{
/* Enable GPIOA clock. */
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
/* Enable GPIOB clock. */
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
@@ -51,11 +52,11 @@ void gpio_setup(void)
GPIO_CNF_OUTPUT_PUSHPULL, GPIO1);
}
void sys_tick_handler()
void sys_tick_handler(void)
{
temp32++;
/* we call this handler every 1ms so 1000ms = 1s on/off */
/* We call this handler every 1ms so 1000ms = 1s on/off. */
if (temp32 == 1000) {
gpio_toggle(GPIOA, GPIO6); /* LED2 on/off */
temp32 = 0;
@@ -64,12 +65,12 @@ void sys_tick_handler()
int main(void)
{
rcc_clock_setup_in_hse_16mhz_out_72mhz();
rcc_clock_setup_in_hse_16mhz_out_72mhz();
gpio_setup();
gpio_clear(GPIOA, GPIO7); /* LED1 on */
gpio_set(GPIOA, GPIO6); /* LED2 off */
temp32 = 0;
/* 72MHz / 8 => 9000000 counts per second */
@@ -80,10 +81,10 @@ int main(void)
systick_interrupt_enable();
/* start counting */
/* Start counting. */
systick_counter_enable();
while(1); /* Halt. */
while (1); /* Halt. */
return 0;
}