diff options
Diffstat (limited to 'src/samd21/gpio.c')
| -rw-r--r-- | src/samd21/gpio.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/src/samd21/gpio.c b/src/samd21/gpio.c index 24fe59bc..a38dd63d 100644 --- a/src/samd21/gpio.c +++ b/src/samd21/gpio.c @@ -18,10 +18,10 @@ ****************************************************************/ void -gpio_peripheral(char bank, uint32_t bit, char ptype, uint32_t pull_up) +gpio_peripheral(uint32_t gpio, char ptype, uint32_t pull_up) { - int group = bank == 'A' ? 0 : 1; - PortGroup *pg = &PORT->Group[group]; + uint32_t bank = GPIO2PORT(gpio), bit = gpio % 32; + PortGroup *pg = &PORT->Group[bank]; if (ptype) { volatile uint8_t *pmux = &pg->PMUX[bit/2].reg; uint8_t shift = (bit & 1) ? 4 : 0, mask = ~(0xf << shift); @@ -36,9 +36,6 @@ gpio_peripheral(char bank, uint32_t bit, char ptype, uint32_t pull_up) * General Purpose Input Output (GPIO) pins ****************************************************************/ -#define GPIO(PORT, NUM) (((PORT)-'A') * 32 + (NUM)) -#define GPIO2PORT(PIN) ((PIN) / 32) -#define GPIO2BIT(PIN) (1<<((PIN) % 32)) #define NUM_PORT 2 struct gpio_out |