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| author | Joey Castillo <jose.castillo@gmail.com> | 2021-10-19 10:14:24 -0400 |
|---|---|---|
| committer | Joey Castillo <jose.castillo@gmail.com> | 2021-10-19 10:14:24 -0400 |
| commit | 52c5747d2e873d4946d211c548c03498b72c1fb5 (patch) | |
| tree | d2c571b8583d75e956fe7b822ae9c9fdd637a21e /watch-library/watch/watch_extint.c | |
| parent | 6210e1c233a3ee66274389e85889b0681102378d (diff) | |
| download | Sensor-Watch-52c5747d2e873d4946d211c548c03498b72c1fb5.tar.gz Sensor-Watch-52c5747d2e873d4946d211c548c03498b72c1fb5.tar.bz2 Sensor-Watch-52c5747d2e873d4946d211c548c03498b72c1fb5.zip | |
getting the sensor watch dev board working
Diffstat (limited to 'watch-library/watch/watch_extint.c')
| -rw-r--r-- | watch-library/watch/watch_extint.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/watch-library/watch/watch_extint.c b/watch-library/watch/watch_extint.c index dcaa0d80..d6ad5b60 100644 --- a/watch-library/watch/watch_extint.c +++ b/watch-library/watch/watch_extint.c @@ -65,18 +65,14 @@ void watch_register_interrupt_callback(const uint8_t pin, ext_irq_cb_t callback, sense_pos = 4 * (WATCH_A4_EIC_CHANNEL % 8); break; case BTN_ALARM: - // for the buttons, we need an internal pull-down. - gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN); config_index = (WATCH_BTN_ALARM_EIC_CHANNEL > 7) ? 1 : 0; sense_pos = 4 * (WATCH_BTN_ALARM_EIC_CHANNEL % 8); break; case BTN_LIGHT: - gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN); config_index = (WATCH_BTN_LIGHT_EIC_CHANNEL > 7) ? 1 : 0; sense_pos = 4 * (WATCH_BTN_LIGHT_EIC_CHANNEL % 8); break; case BTN_MODE: - gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN); config_index = (WATCH_BTN_MODE_EIC_CHANNEL > 7) ? 1 : 0; sense_pos = 4 * (WATCH_BTN_MODE_EIC_CHANNEL % 8); break; @@ -85,7 +81,6 @@ void watch_register_interrupt_callback(const uint8_t pin, ext_irq_cb_t callback, } gpio_set_pin_direction(pin, GPIO_DIRECTION_IN); - gpio_set_pin_function(pin, GPIO_PIN_FUNCTION_A); // EIC configuration register is enable-protected, so we have to disable it first... if (hri_eic_get_CTRLA_reg(EIC, EIC_CTRLA_ENABLE)) { @@ -98,6 +93,9 @@ void watch_register_interrupt_callback(const uint8_t pin, ext_irq_cb_t callback, config &= ~(7 << sense_pos); config |= trigger << (sense_pos); hri_eic_write_CONFIG_reg(EIC, config_index, config); + // ...set the pin mode... + gpio_set_pin_function(pin, GPIO_PIN_FUNCTION_A); + if (pin == BTN_ALARM || pin == BTN_LIGHT || pin == BTN_MODE) gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN); // ...and re-enable the EIC hri_eic_set_CTRLA_ENABLE_bit(EIC); |