43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
#include "TactilityCore.h"
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#include "hal/TdeckDisplayConstants.h"
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#include <driver/spi_common.h>
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#include <soc/gpio_num.h>
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#define TAG "tdeck"
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// SPI
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#define TDECK_SPI_HOST SPI2_HOST
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#define TDECK_SPI_PIN_SCLK GPIO_NUM_40
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#define TDECK_SPI_PIN_MOSI GPIO_NUM_41
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#define TDECK_SPI_PIN_MISO GPIO_NUM_38
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#define TDECK_SPI_TRANSFER_SIZE_LIMIT (TDECK_LCD_HORIZONTAL_RESOLUTION * TDECK_LCD_SPI_TRANSFER_HEIGHT * (TDECK_LCD_BITS_PER_PIXEL / 8))
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#define TDECK_LCD_BACKLIGHT_LEDC_TIMER LEDC_TIMER_0
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#define TDECK_LCD_BACKLIGHT_LEDC_MODE LEDC_LOW_SPEED_MODE
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#define TDECK_LCD_BACKLIGHT_LEDC_CHANNEL LEDC_CHANNEL_0
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#define TDECK_LCD_BACKLIGHT_LEDC_DUTY_RES LEDC_TIMER_8_BIT
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#define TDECK_LCD_BACKLIGHT_LEDC_FREQUENCY (4000)
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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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return spi_bus_initialize(TDECK_SPI_HOST, &bus_config, SPI_DMA_CH_AUTO) == ESP_OK;
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}
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bool tdeck_init_hardware() {
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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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return true;
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} |