mirror of
https://github.com/ByteWelder/Tactility.git
synced 2026-02-18 19:03:16 +00:00
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
#include "config.h"
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#include "display_i.h"
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#include "driver/spi_common.h"
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#include "keyboard.h"
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#include "TactilityCore.h"
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#define TAG "tdeck_bootstrap"
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static bool tdeck_power_on() {
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gpio_config_t device_power_signal_config = {
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.pin_bit_mask = BIT64(TDECK_POWERON_GPIO),
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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(&device_power_signal_config) != ESP_OK) {
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return false;
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}
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if (gpio_set_level(TDECK_POWERON_GPIO, 1) != ESP_OK) {
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return false;
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}
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return true;
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}
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static bool init_i2c() {
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const i2c_config_t i2c_conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = GPIO_NUM_18,
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.scl_io_num = GPIO_NUM_8,
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.sda_pullup_en = GPIO_PULLUP_DISABLE,
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.scl_pullup_en = GPIO_PULLUP_DISABLE,
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.master = {
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.clk_speed = 400000
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}
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};
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return i2c_param_config(TDECK_I2C_BUS_HANDLE, &i2c_conf) == ESP_OK && i2c_driver_install(TDECK_I2C_BUS_HANDLE, i2c_conf.mode, 0, 0, 0) == ESP_OK;
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}
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static bool init_spi() {
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spi_bus_config_t bus_config = {
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.mosi_io_num = TDECK_SPI_PIN_MOSI,
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.miso_io_num = TDECK_SPI_PIN_MISO,
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.sclk_io_num = TDECK_SPI_PIN_SCLK,
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.quadwp_io_num = -1, // Quad SPI LCD driver is not yet supported
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.quadhd_io_num = -1, // Quad SPI LCD driver is not yet supported
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.max_transfer_sz = TDECK_SPI_TRANSFER_SIZE_LIMIT,
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};
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if (spi_bus_initialize(TDECK_SPI_HOST, &bus_config, SPI_DMA_CH_AUTO) != ESP_OK) {
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return false;
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} else {
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return true;
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}
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}
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bool tdeck_bootstrap() {
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ESP_LOGI(TAG, "Power on");
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if (!tdeck_power_on()) {
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TT_LOG_E(TAG, "Power on failed");
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}
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/**
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* Without this delay, the touch driver randomly fails when the device is USB-powered:
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* > lcd_panel.io.i2c: panel_io_i2c_rx_buffer(135): i2c transaction failed
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* > GT911: touch_gt911_read_cfg(352): GT911 read error!
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* This might not be a problem with a lipo, but I haven't been able to test that.
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* I tried to solve it just like I did with the keyboard:
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* By reading from I2C until it succeeds and to then init the driver.
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* It doesn't work, because it never recovers from the error.
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*/
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TT_LOG_I(TAG, "Waiting after power-on");
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tt::delay_ms(TDECK_POWERON_DELAY);
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TT_LOG_I(TAG, "Init I2C");
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if (!init_i2c()) {
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TT_LOG_E(TAG, "Init I2C failed");
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return false;
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}
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TT_LOG_I(TAG, "Init SPI");
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if (!init_spi()) {
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TT_LOG_E(TAG, "Init SPI failed");
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return false;
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}
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// Don't turn the backlight on yet - Tactility init will take care of it
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TT_LOG_I(TAG, "Init backlight");
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if (!tdeck_backlight_init()) {
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TT_LOG_E(TAG, "Init backlight failed");
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return false;
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}
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keyboard_wait_for_response();
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return true;
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}
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