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sam3x8e: Add an internal.h header file with local definitions

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2018-12-25 10:28:21 -05:00
parent c3a2fc981d
commit ecba3e9a19
5 changed files with 23 additions and 15 deletions
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16
src/sam3x8e/gpio.c
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@@ -10,25 +10,17 @@
#include "command.h" // shutdown
#include "compiler.h" // ARRAY_SIZE
#include "gpio.h" // gpio_out_setup
#include "internal.h" // gpio_peripheral
#include "sam3x8e.h" // Pio
#include "sched.h" // sched_shutdown
/****************************************************************
* Pin mappings
****************************************************************/
#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
};
/****************************************************************
* General Purpose Input Output (GPIO) pins
* Pin multiplexing
****************************************************************/
void
@@ -47,6 +39,10 @@ gpio_peripheral(char bank, 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)
{