Cosmetics.
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@ -17,6 +17,6 @@
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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BINARY = led
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BINARY = led
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include ../../Makefile.include
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@ -31,20 +31,17 @@ void clock_setup(void)
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/* Enable GPIOB clock. */
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
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}
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void gpio_setup(void)
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{
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/* Set GPIO6 and 7 (in GPIO port A) to 'output push-pull'. */
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gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL,
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GPIO6 | GPIO7);
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO6 | GPIO7);
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/* Set GPIO0 and 1 (in GPIO port B) to 'output push-pull'. */
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gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL,
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GPIO0 | GPIO1);
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO0 | GPIO1);
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}
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int main(void)
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@ -54,7 +51,7 @@ int main(void)
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clock_setup();
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gpio_setup();
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/* Blink the LED (PC12) on the board. */
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/* Blink the LEDs on the board. */
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while (1) {
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gpio_toggle(GPIOA, GPIO6); /* LED on/off */
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for (i = 0; i < 800000; i++); /* Wait (needs -O0 CFLAGS). */
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@ -17,7 +17,7 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Linker script for Olimex STM32-H103 (STM32F103RBT6, 128K flash, 20K RAM). */
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/* Linker script for Open-BLDC (STM32F103CBT6, 128K flash, 20K RAM). */
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/* Define memory regions. */
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MEMORY
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@ -17,6 +17,6 @@
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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BINARY = systick
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BINARY = systick
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include ../../Makefile.include
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@ -30,6 +30,7 @@ void gpio_setup(void)
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{
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/* Enable GPIOA clock. */
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
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/* Enable GPIOB clock. */
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
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@ -51,11 +52,11 @@ void gpio_setup(void)
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO1);
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}
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void sys_tick_handler()
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void sys_tick_handler(void)
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{
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temp32++;
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/* we call this handler every 1ms so 1000ms = 1s on/off */
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/* We call this handler every 1ms so 1000ms = 1s on/off. */
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if (temp32 == 1000) {
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gpio_toggle(GPIOA, GPIO6); /* LED2 on/off */
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temp32 = 0;
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@ -64,12 +65,12 @@ void sys_tick_handler()
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int main(void)
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{
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rcc_clock_setup_in_hse_16mhz_out_72mhz();
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rcc_clock_setup_in_hse_16mhz_out_72mhz();
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gpio_setup();
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gpio_clear(GPIOA, GPIO7); /* LED1 on */
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gpio_set(GPIOA, GPIO6); /* LED2 off */
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temp32 = 0;
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/* 72MHz / 8 => 9000000 counts per second */
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@ -80,10 +81,10 @@ int main(void)
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systick_interrupt_enable();
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/* start counting */
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/* Start counting. */
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systick_counter_enable();
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while(1); /* Halt. */
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while (1); /* Halt. */
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return 0;
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}
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@ -17,7 +17,7 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Linker script for an STM32F103RBT6 board (128K flash, 20K RAM). */
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/* Linker script for an STM32F103CBT6 board (128K flash, 20K RAM). */
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/* Define memory regions. */
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MEMORY
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