STM32VLDISCOVERY: Fix some incorrect GPIO comments.
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5bfffcbb29
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1cb45d8888
@ -33,7 +33,7 @@ void clock_setup(void)
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void gpio_setup(void)
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void gpio_setup(void)
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{
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{
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/* Set GPIO6/7 (in GPIO port C) to 'output push-pull'. */
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/* Set GPIO8/9 (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_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
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gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
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gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
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@ -50,7 +50,7 @@ int main(void)
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/* Set one LED for wigwag effect when toggling. */
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/* Set one LED for wigwag effect when toggling. */
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gpio_set(GPIOC, GPIO8);
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gpio_set(GPIOC, GPIO8);
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/* Blink the LEDs (PC6 and PC7) on the board. */
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/* Blink the LEDs (PC8 and PC9) on the board. */
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while (1) {
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while (1) {
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gpio_toggle(GPIOC, GPIO8 | GPIO9); /* Toggle LEDs. */
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gpio_toggle(GPIOC, GPIO8 | GPIO9); /* Toggle LEDs. */
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for (i = 0; i < 2000000; i++) /* Wait a bit. */
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for (i = 0; i < 2000000; i++) /* Wait a bit. */
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@ -28,7 +28,7 @@ void gpio_setup(void)
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/* Using API functions: */
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/* Using API functions: */
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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_IOPCEN);
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/* Set GPIO12 (in GPIO port C) to 'output push-pull'. */
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/* Set GPIO8 (in GPIO port C) to 'output push-pull'. */
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/* Manually: */
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/* Manually: */
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// GPIOC_CRH = (GPIO_CNF_OUTPUT_PUSHPULL << (((8 - 8) * 4) + 2));
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// GPIOC_CRH = (GPIO_CNF_OUTPUT_PUSHPULL << (((8 - 8) * 4) + 2));
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// GPIOC_CRH |= (GPIO_MODE_OUTPUT_2_MHZ << ((8 - 8) * 4));
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// GPIOC_CRH |= (GPIO_MODE_OUTPUT_2_MHZ << ((8 - 8) * 4));
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@ -62,7 +62,7 @@ void usart_setup(void)
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void gpio_setup(void)
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void gpio_setup(void)
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{
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{
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/* Set GPIO8 (in GPIO port C) to 'output push-pull'. */
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/* Set GPIO8 (in GPIO port C) to 'output push-pull'. */
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/* This drives the blue LED on the discovery. */
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/* This drives the blue LED on the STM32VLDISCOVERY. */
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gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
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gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
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}
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}
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