diff options
Diffstat (limited to 'src/drivers/ao_rfpa0133.c')
-rw-r--r-- | src/drivers/ao_rfpa0133.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/drivers/ao_rfpa0133.c b/src/drivers/ao_rfpa0133.c new file mode 100644 index 00000000..a98e261a --- /dev/null +++ b/src/drivers/ao_rfpa0133.c @@ -0,0 +1,47 @@ +/* + * Copyright © 2013 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" + +static void +ao_rfpa0133_set_power(uint8_t power) +{ + ao_gpio_set(AO_PA_GAIN_8_GPIO, AO_PA_GAIN_8_PIN, AO_PA_GAIN_8, power & 1); + ao_gpio_set(AO_PA_GAIN_16_GPIO, AO_PA_GAIN_16_PIN, AO_PA_GAIN_16, (power >> 1) & 1); +} + +void +ao_radio_pa_on(void) +{ + ao_rfpa0133_set_power(ao_config.radio_amp); + ao_gpio_set(AO_PA_POWER_GPIO, AO_PA_POWER_PIN, AO_PA_POWER, 1); +} + +void +ao_radio_pa_off(void) +{ + ao_gpio_set(AO_PA_POWER_GPIO, AO_PA_POWER_PIN, AO_PA_POWER, 0); + ao_rfpa0133_set_power(0); +} + +void +ao_radio_pa_init(void) +{ + ao_enable_output(AO_PA_POWER_GPIO, AO_PA_POWER_PIN, AO_PA_POWER, 0); + ao_enable_output(AO_PA_GAIN_8_GPIO, AO_PA_GAIN_8_PIN, AO_PA_GAIN_8, 0); + ao_enable_output(AO_PA_GAIN_16_GPIO, AO_PA_GAIN_16_PIN, AO_PA_GAIN_16, 0); +} |