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cpu/stm32f0: fixed port clk en for GPIO driver

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This commit is contained in:
Hauke Petersen 2015-01-15 14:31:55 +01:00 committed by haukepetersen
parent b02d68e68c
commit 3976554f12
1 changed files with 44 additions and 0 deletions
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44
cpu/stm32f0/periph/gpio.c
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@ -154,6 +154,46 @@ static const IRQn_Type gpio_irq_map[GPIO_NUMOF] = {
#endif
};
/* static clock mapping */
static const uint8_t gpio_clock_map[GPIO_NUMOF] = {
#if GPIO_0_EN
[GPIO_0] = GPIO_0_CLK,
#endif
#if GPIO_1_EN
[GPIO_1] = GPIO_1_CLK,
#endif
#if GPIO_2_EN
[GPIO_2] = GPIO_2_CLK,
#endif
#if GPIO_3_EN
[GPIO_3] = GPIO_3_CLK,
#endif
#if GPIO_4_EN
[GPIO_4] = GPIO_4_CLK,
#endif
#if GPIO_5_EN
[GPIO_5] = GPIO_5_CLK,
#endif
#if GPIO_6_EN
[GPIO_6] = GPIO_6_CLK,
#endif
#if GPIO_7_EN
[GPIO_7] = GPIO_7_CLK,
#endif
#if GPIO_8_EN
[GPIO_8] = GPIO_8_CLK,
#endif
#if GPIO_9_EN
[GPIO_9] = GPIO_9_CLK,
#endif
#if GPIO_10_EN
[GPIO_10] = GPIO_10_CLK,
#endif
#if GPIO_11_EN
[GPIO_11] = GPIO_11_CLK,
#endif
};
int gpio_init_out(gpio_t dev, gpio_pp_t pullup)
{
GPIO_TypeDef *port;
@ -166,6 +206,8 @@ int gpio_init_out(gpio_t dev, gpio_pp_t pullup)
port = gpio_port_map[dev];
pin = gpio_pin_map[dev];
RCC->AHBENR |= (1 << gpio_clock_map[dev]);
port->MODER &= ~(2 << (2 * pin)); /* set pin to output mode */
port->MODER |= (1 << (2 * pin));
port->OTYPER &= ~(1 << pin); /* set to push-pull configuration */
@ -189,6 +231,8 @@ int gpio_init_in(gpio_t dev, gpio_pp_t pullup)
port = gpio_port_map[dev];
pin = gpio_pin_map[dev];
RCC->AHBENR |= (1 << gpio_clock_map[dev]);
port->MODER &= ~(3 << (2 * pin)); /* configure pin as input */
port->PUPDR &= ~(3 << (2 * pin)); /* configure push-pull resistors */
port->PUPDR |= (pullup << (2 * pin));