lisa-m/fancyblink: Fix copy-pasted code comments.
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@ -26,26 +26,27 @@ void clock_setup(void)
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{
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rcc_clock_setup_in_hse_12mhz_out_72mhz();
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/* Enable GPIOC clock. */
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/* Enable GPIOB, GPIOC, and AFIO clocks. */
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
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}
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void gpio_setup(void)
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{
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/* Set GPIO12 (in GPIO port C) to 'output push-pull'. */
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/* Set GPIO13 (in GPIO port C) to 'output push-pull'. */
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gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO13);
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/* Set GPIO4 (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, GPIO4);
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AFIO_MAPR |= AFIO_MAPR_SWJ_CFG_FULL_SWJ_NO_JNTRST;
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/* preconfigure the led's */
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gpio_set(GPIOB, GPIO4); /* switch off led */
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gpio_clear(GPIOC, GPIO13); /* switch on led */
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/* Preconfigure the LEDs. */
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gpio_set(GPIOB, GPIO4); /* Switch off LED. */
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gpio_clear(GPIOC, GPIO13); /* Switch on LED. */
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}
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int main(void)
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@ -55,7 +56,7 @@ 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 (PC13 and PB4) on the board. */
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while (1) {
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gpio_toggle(GPIOC, GPIO13); /* LED on/off */
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gpio_toggle(GPIOB, GPIO4); /* LED on/off */
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