diff options
| -rw-r--r-- | src/cc1111/ao_exti.c | 33 | ||||
| -rw-r--r-- | src/cc1111/ao_exti.h | 57 |
2 files changed, 90 insertions, 0 deletions
diff --git a/src/cc1111/ao_exti.c b/src/cc1111/ao_exti.c new file mode 100644 index 00000000..537f6252 --- /dev/null +++ b/src/cc1111/ao_exti.c @@ -0,0 +1,33 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_exti.h> + +#if HAS_EXTI_0 +__xdata void (*ao_int_callback)(void); + +void +ao_p0_isr(void) __interrupt(13) +{ + if (P0IF && (P0IFG & (AO_MS5607_MISO_MASK))) { + (*ao_int_callback)(); + } + P0IFG = 0; + P0IF = 0; +} +#endif diff --git a/src/cc1111/ao_exti.h b/src/cc1111/ao_exti.h new file mode 100644 index 00000000..00d99a2b --- /dev/null +++ b/src/cc1111/ao_exti.h @@ -0,0 +1,57 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_EXTI_H_ +#define _AO_EXTI_H_ + +#define AO_EXTI_MODE_RISING 1 +#define AO_EXTI_MODE_FALLING 2 +#define AO_EXTI_MODE_PULL_UP 4 +#define AO_EXTI_MODE_PULL_DOWN 8 +#define AO_EXTI_PRIORITY_LOW 16 +#define AO_EXTI_PRIORITY_MED 0 +#define AO_EXTI_PRIORITY_HIGH 32 + +extern void (*ao_int_callback)(void); + +#define ao_exti_setup(gpio, pin, mode, callback) do { \ + ao_int_callback = callback; \ + } while (0) + +#define ao_exti_set_mode(gpio, pin, mode) do { \ + } while (0) + +#define ao_exti_set_callback(port, pin, callback) do { \ + ao_int_callback = callback; \ + } while (0) + +#define ao_exti_init() do { \ + IEN1 &= IEN1_P0IE; \ + PICTL |= PICTL_P0IENL; \ + } while (0) + +#define ao_exti_enable(port, pin) do { \ + P0IFG &= ~(1 << pin); \ + P0IF = 0; \ + IEN1 |= IEN1_P0IE; \ + } while (0) + +#define ao_exti_disable(port, pin) do { \ + IEN1 &= ~IEN1_P0IE; \ + } while (0) + +#endif /* _AO_EXTI_H_ */ |