Ken Van Hoeylandt
122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
#include "devices_v2.h"
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#include "devices_common.h"
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#include "st7123_init_data.h"
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#include <tactility/device.h>
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#include <tactility/drivers/gpio.h>
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#include <tactility/log.h>
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#include <drivers/st7123.h>
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#include <drivers/st7123_touch.h>
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#include <iterator>
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#include <vector>
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#define TAG "Tab5"
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static std::vector<uint8_t> display_init_bytes;
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static St7123Config st7123_config {};
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static Device display_device {};
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static St7123TouchConfig st7123_touch_config {};
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static Device st7123_touch_device {};
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static void create_st7123_touch(Device* i2c0) {
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st7123_touch_device = Device {
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.address = 0,
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.name = "touch0",
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.config = nullptr,
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.parent = nullptr,
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.internal = nullptr,
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};
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GpioPinSpec pin_interrupt = GPIO_PIN_SPEC_NONE;
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Device* gpio0 = nullptr;
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if (device_get_by_name("gpio0", &gpio0) == ERROR_NONE) {
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pin_interrupt = GpioPinSpec { gpio0, 23, GPIO_FLAG_NONE };
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device_put(gpio0);
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} else {
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LOG_W(TAG, "display_detect: gpio0 not found, touch interrupt pin will not be wired");
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}
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st7123_touch_config = St7123TouchConfig {
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.address = 0x55, // fixed - see ESP_LCD_TOUCH_IO_I2C_ST7123_ADDRESS
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.x_max = 720,
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.y_max = 1280,
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.swap_xy = false,
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.mirror_x = false,
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.mirror_y = false,
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// Reset is pulsed via io_expander0 (detect.cpp's pulse_display_reset_pins), not a direct SoC GPIO.
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.pin_reset = GPIO_PIN_SPEC_NONE,
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.pin_interrupt = pin_interrupt,
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};
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st7123_touch_device.config = &st7123_touch_config;
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construct_add_start(&st7123_touch_device, i2c0, "sitronix,st7123-touch");
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}
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void tab5_create_devices_v2(Device* i2c0) {
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display_device = Device {
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.address = 0,
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.name = "display0",
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.config = nullptr,
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.parent = nullptr,
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.internal = nullptr,
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};
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Device* backlight = nullptr;
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if (device_get_by_name("display_backlight", &backlight) != ERROR_NONE) {
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LOG_W(TAG, "display_detect: display_backlight not found");
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}
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flatten_init_sequence(st7123_init_data, std::size(st7123_init_data), display_init_bytes);
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st7123_config = St7123Config {
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.horizontal_resolution = 720,
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.vertical_resolution = 1280,
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.bits_per_pixel = 16,
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.bgr_order = false,
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.invert_color = false,
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.mirror_x = false,
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.mirror_y = false,
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.pin_reset = GPIO_PIN_SPEC_NONE,
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.ldo_channel = 3,
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.ldo_voltage_mv = 2500,
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.dsi_bus_id = 0,
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.num_data_lanes = 2,
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.lane_bit_rate_mbps = 965, // ST7123 lane bitrate per M5Stack BSP
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.dpi_clock_freq_mhz = 70,
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.hsync_pulse_width = 2,
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.hsync_back_porch = 40,
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.hsync_front_porch = 40,
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.vsync_pulse_width = 2,
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.vsync_back_porch = 8,
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.vsync_front_porch = 220,
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.num_fbs = 1,
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.use_dma2d = false,
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.disable_lp = false,
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.allow_tearing = true,
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.init_sequence = display_init_bytes.data(),
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.init_sequence_length = (uint32_t)display_init_bytes.size(),
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.backlight = backlight,
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};
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display_device.config = &st7123_config;
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if (backlight != nullptr) {
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device_put(backlight);
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}
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Device* root = nullptr;
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if (device_get_by_name("/", &root) != ERROR_NONE) {
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LOG_E(TAG, "display_detect: root device not found");
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return;
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}
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bool started = construct_add_start(&display_device, root, "sitronix,st7123");
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device_put(root);
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if (!started) {
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return;
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}
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create_st7123_touch(i2c0);
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}
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