diff options
Diffstat (limited to 'src/avr/gpio.c')
| -rw-r--r-- | src/avr/gpio.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/avr/gpio.c b/src/avr/gpio.c index d10fc2a1..f5225177 100644 --- a/src/avr/gpio.c +++ b/src/avr/gpio.c @@ -70,8 +70,10 @@ void gpio_out_reset(struct gpio_out g, uint8_t val) { irqstatus_t flag = irq_save(); - g.regs->out = val ? (g.regs->out | g.bit) : (g.regs->out & ~g.bit); - g.regs->mode |= g.bit; + uint8_t newmode = g.regs->mode | g.bit; + uint8_t newout = val ? (g.regs->out | g.bit) : (g.regs->out & ~g.bit); + g.regs->out = newout; + g.regs->mode = newmode; irq_restore(flag); } @@ -114,8 +116,10 @@ void gpio_in_reset(struct gpio_in g, int8_t pull_up) { irqstatus_t flag = irq_save(); - g.regs->out = pull_up > 0 ? (g.regs->out | g.bit) : (g.regs->out & ~g.bit); - g.regs->mode &= ~g.bit; + uint8_t newout = pull_up>0 ? (g.regs->out | g.bit) : (g.regs->out & ~g.bit); + uint8_t newmode = g.regs->mode & ~g.bit; + g.regs->mode = newmode; + g.regs->out = newout; irq_restore(flag); } |