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-rw-r--r--libmaple/stm32f2/gpio.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/libmaple/stm32f2/gpio.c b/libmaple/stm32f2/gpio.c
index 7479922..f2cd776 100644
--- a/libmaple/stm32f2/gpio.c
+++ b/libmaple/stm32f2/gpio.c
@@ -87,7 +87,7 @@ gpio_dev gpiog = {
gpio_dev* const GPIOG = &gpiog;
gpio_dev gpioh = {
- .regs = GPIOG_BASE,
+ .regs = GPIOH_BASE,
.clk_id = RCC_GPIOH,
};
/** GPIO port G device. */
@@ -146,13 +146,13 @@ void gpio_set_modef(gpio_dev *dev,
/* Speed */
tmp = regs->OSPEEDR;
tmp &= ~(0x3 << shift);
- tmp |= (flags >> 1) << shift;
+ tmp |= ((flags >> 1) & 0x3) << shift;
regs->OSPEEDR = tmp;
/* Pull-up/pull-down */
tmp = regs->PUPDR;
tmp &= ~(0x3 << shift);
- tmp |= (flags >> 2) << shift;
+ tmp |= ((flags >> 3) & 0x3) << shift;
regs->PUPDR = tmp;
}