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| author | Kevin O'Connor <kevin@koconnor.net> | 2018-05-08 12:20:10 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2018-05-25 11:52:13 -0400 |
| commit | c78b90767f19c9e8510c3155b89fb7ad64ca3c54 (patch) | |
| tree | 28a440f6667150d9e8f88e849e825846e52301fb /src/lpc176x/gpio.h | |
| parent | 970831ee0d3b91897196e92270d98b2a3067427f (diff) | |
| download | kutter-c78b90767f19c9e8510c3155b89fb7ad64ca3c54.tar.gz kutter-c78b90767f19c9e8510c3155b89fb7ad64ca3c54.tar.xz kutter-c78b90767f19c9e8510c3155b89fb7ad64ca3c54.zip | |
lpc176x: Add support for GPIO pins
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/lpc176x/gpio.h')
| -rw-r--r-- | src/lpc176x/gpio.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/lpc176x/gpio.h b/src/lpc176x/gpio.h new file mode 100644 index 00000000..030528e6 --- /dev/null +++ b/src/lpc176x/gpio.h @@ -0,0 +1,22 @@ +#ifndef __LPC176X_GPIO_H +#define __LPC176X_GPIO_H + +#include <stdint.h> + +struct gpio_out { + void *regs; + uint32_t bit; +}; +struct gpio_out gpio_out_setup(uint8_t pin, uint8_t val); +void gpio_out_toggle_noirq(struct gpio_out g); +void gpio_out_toggle(struct gpio_out g); +void gpio_out_write(struct gpio_out g, uint8_t val); + +struct gpio_in { + void *regs; + uint32_t bit; +}; +struct gpio_in gpio_in_setup(uint8_t pin, int8_t pull_up); +uint8_t gpio_in_read(struct gpio_in g); + +#endif // gpio.h |