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Add default alternate function GPIO pin definitions.

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This commit is contained in:
Uwe Hermann
2009-07-25 18:47:10 +02:00
parent d20c3454fa
commit 9a4a47fdeb
2 changed files with 90 additions and 7 deletions
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6
examples/usart/usart.c
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@@ -42,13 +42,13 @@ void clock_setup(void)
void usart_setup(void)
{
/* Enable clocks for GPIO port B (for GPIO_USART_TX) and USART3. */
/* Enable clocks for GPIO port B (for GPIO_USART3_TX) and USART3. */
rcc_enable_peripheral_clock(&RCC_APB2ENR, IOPBEN);
rcc_enable_peripheral_clock(&RCC_APB1ENR, USART3EN);
/* Setup GPIO pin GPIO_USART_TX/GPIO10 on GPIO port B for transmit. */
/* Setup GPIO pin GPIO_USART3_TX/GPIO10 on GPIO port B for transmit. */
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART_TX);
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART3_TX);
/* Setup UART parameters. */
usart_set_baudrate(USART3, 38400);