Ken Van Hoeylandt
47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
#include <tactility/module.h>
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#include <driver/gpio.h>
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// Board peripheral power-enable pin (display, backlight, etc). Must be asserted before the
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// devicetree devices below start - kernel_init() starts all dts_modules[] (this one included)
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// before constructing any dts_devices[], so doing it here in start() runs early enough.
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constexpr auto POWER_ON_PIN = GPIO_NUM_15;
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extern "C" {
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static error_t start() {
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gpio_config_t power_signal_config = {
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.pin_bit_mask = BIT64(POWER_ON_PIN),
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.mode = GPIO_MODE_OUTPUT,
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.pull_up_en = GPIO_PULLUP_DISABLE,
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.pull_down_en = GPIO_PULLDOWN_DISABLE,
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.intr_type = GPIO_INTR_DISABLE,
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};
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if (gpio_config(&power_signal_config) != ESP_OK) {
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return ERROR_RESOURCE;
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}
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if (gpio_set_level(POWER_ON_PIN, 1) != ESP_OK) {
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return ERROR_RESOURCE;
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}
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return ERROR_NONE;
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}
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static error_t stop() {
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if (gpio_set_level(POWER_ON_PIN, 0) != ESP_OK) {
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return ERROR_RESOURCE;
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}
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return ERROR_NONE;
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}
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Module lilygo_tdisplay_s3_module = {
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.name = "lilygo-tdisplay-s3",
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.start = start,
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.stop = stop
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};
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}
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