diff options
Diffstat (limited to 'src/sam4e8e/gpio.c')
| -rw-r--r-- | src/sam4e8e/gpio.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/src/sam4e8e/gpio.c b/src/sam4e8e/gpio.c index 6f736b65..48695fc9 100644 --- a/src/sam4e8e/gpio.c +++ b/src/sam4e8e/gpio.c @@ -4,22 +4,23 @@ // // This file may be distributed under the terms of the GNU GPLv3 license. -#include "gpio.h" -#include "sam4e.h" - #include "autoconf.h" // CONFIG_CLOCK_FREQ #include "board/irq.h" // irq_save #include "command.h" // shutdown +#include "gpio.h" // gpio_out_setup +#include "internal.h" // gpio_set_peripheral +#include "sam4e.h" // Pio #include "sched.h" // sched_shutdown -#define GPIO(PORT, NUM) (((PORT)-'A') * 32 + (NUM)) -#define GPIO2PORT(PIN) ((PIN) / 32) -#define GPIO2BIT(PIN) (1<<((PIN) % 32)) - static Pio * const digital_regs[] = { PIOA, PIOB, PIOC, PIOD, PIOE }; + +/**************************************************************** + * Pin multiplexing + ****************************************************************/ + void gpio_set_peripheral(char bank, const uint32_t bit, char ptype, uint32_t pull_up) { @@ -67,6 +68,11 @@ gpio_set_peripheral(char bank, const uint32_t bit, char ptype, uint32_t pull_up) } } + +/**************************************************************** + * General Purpose Input Output (GPIO) pins + ****************************************************************/ + struct gpio_out gpio_out_setup(uint8_t pin, uint8_t val) { |