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Merge branch 'master' of git://github.com/libopencm3/libopencm3

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TitanMKD 2012-06-02 09:47:52 +02:00
commit cb1cd9d9d6
3 changed files with 9 additions and 0 deletions
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3
lib/stm32/f1/gpio.c
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@ -147,5 +147,8 @@ void gpio_port_config_lock(u32 gpioport, u16 gpios)
reg32 = GPIO_LCKR(gpioport); /* Read LCKK. */
reg32 = GPIO_LCKR(gpioport); /* Read LCKK again. */
/* Tell the compiler the variable is actually used. It will get optimized out anyways. */
reg32 = reg32;
/* If (reg32 & GPIO_LCKK) is true, the lock is now active. */
}

3
lib/stm32/f2/gpio.c
View File

@ -135,5 +135,8 @@ void gpio_port_config_lock(u32 gpioport, u16 gpios)
reg32 = GPIO_LCKR(gpioport); /* Read LCKK. */
reg32 = GPIO_LCKR(gpioport); /* Read LCKK again. */
/* Tell the compiler the variable is actually used. It will get optimized out anyways. */
reg32 = reg32;
/* If (reg32 & GPIO_LCKK) is true, the lock is now active. */
}

3
lib/stm32/f4/gpio.c
View File

@ -135,5 +135,8 @@ void gpio_port_config_lock(u32 gpioport, u16 gpios)
reg32 = GPIO_LCKR(gpioport); /* Read LCKK. */
reg32 = GPIO_LCKR(gpioport); /* Read LCKK again. */
/* Tell the compiler the variable is actually used. It will get optimized out anyways. */
reg32 = reg32;
/* If (reg32 & GPIO_LCKK) is true, the lock is now active. */
}