hueso/Sensor-Watch
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Activity

getting the sensor watch dev board working

Browse Source
This commit is contained in:
Joey Castillo
2021-10-19 10:14:24 -04:00
parent 6210e1c233
commit 52c5747d2e
6 changed files with 28 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
watch-library/watch/watch_extint.c
View File

@@ -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);