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System: Refactor pin and interrupt setup

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This should ensure better readability of the pin setup procedure,
as well as allow the configuration of the hardware button enable pin
and the accelerometer interrupt pin via the pin mapping header.
This commit is contained in:
Christoph Honal 2022-05-10 21:10:28 +02:00 committed by Riku Isokoski
parent 03a2059e87
commit 977936e8e2
2 changed files with 11 additions and 19 deletions
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2
src/drivers/PinMap.h
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@ -16,8 +16,10 @@ namespace Pinetime {
static constexpr uint8_t Button = 13;
#endif
static constexpr uint8_t ButtonEnable = 15;
static constexpr uint8_t Cst816sIrq = 28;
static constexpr uint8_t PowerPresent = 19;
static constexpr uint8_t Bma421Irq = 8;
static constexpr uint8_t Motor = 16;

28
src/systemtask/SystemTask.cpp
View file

@ -172,39 +172,29 @@ void SystemTask::Work() {
buttonHandler.Init(this);
// Button
nrf_gpio_cfg_output(15);
nrf_gpio_pin_set(15);
// Setup Interrupts
nrfx_gpiote_in_config_t pinConfig;
pinConfig.skip_gpio_setup = false;
pinConfig.hi_accuracy = false;
pinConfig.is_watcher = false;
pinConfig.sense = static_cast<nrf_gpiote_polarity_t>(NRF_GPIOTE_POLARITY_TOGGLE);
pinConfig.pull = static_cast<nrf_gpio_pin_pull_t>(GPIO_PIN_CNF_PULL_Pulldown);
// Button
nrf_gpio_cfg_output(PinMap::ButtonEnable);
nrf_gpio_pin_set(PinMap::ButtonEnable);
pinConfig.sense = NRF_GPIOTE_POLARITY_TOGGLE;
pinConfig.pull = NRF_GPIO_PIN_PULLDOWN;
nrfx_gpiote_in_init(PinMap::Button, &pinConfig, nrfx_gpiote_evt_handler);
nrfx_gpiote_in_event_enable(PinMap::Button, true);
// Touchscreen
nrf_gpio_cfg_sense_input(PinMap::Cst816sIrq,
static_cast<nrf_gpio_pin_pull_t>(GPIO_PIN_CNF_PULL_Pullup),
static_cast<nrf_gpio_pin_sense_t>(GPIO_PIN_CNF_SENSE_Low));
pinConfig.skip_gpio_setup = true;
pinConfig.hi_accuracy = false;
pinConfig.is_watcher = false;
pinConfig.sense = static_cast<nrf_gpiote_polarity_t>(NRF_GPIOTE_POLARITY_HITOLO);
pinConfig.pull = static_cast<nrf_gpio_pin_pull_t>(GPIO_PIN_CNF_PULL_Pullup);
pinConfig.sense = NRF_GPIOTE_POLARITY_HITOLO;
pinConfig.pull = NRF_GPIO_PIN_PULLUP;
nrfx_gpiote_in_init(PinMap::Cst816sIrq, &pinConfig, nrfx_gpiote_evt_handler);
nrfx_gpiote_in_event_enable(PinMap::Cst816sIrq, true);
// Power present
pinConfig.sense = NRF_GPIOTE_POLARITY_TOGGLE;
pinConfig.pull = NRF_GPIO_PIN_NOPULL;
pinConfig.is_watcher = false;
pinConfig.hi_accuracy = false;
pinConfig.skip_gpio_setup = false;
nrfx_gpiote_in_init(PinMap::PowerPresent, &pinConfig, nrfx_gpiote_evt_handler);
nrfx_gpiote_in_event_enable(PinMap::PowerPresent, true);