Ken Van Hoeylandt d83b98e99b
Fix for I2C Scanner crash and updated CYD-2432S028R board (#330)
- Fix for crash when I2C Scanner is started and no I2C devices were found in the board configuration
- Add I2C and UART configurations to CYD-2432S028R board
2025-09-14 00:50:36 +02:00

135 lines
4.4 KiB
C++

#include "CYD2432S028R.h"
#include "devices/Display.h"
#include "devices/SdCard.h"
#include <Tactility/lvgl/LvglSync.h>
#include <PwmBacklight.h>
#include <Tactility/hal/Configuration.h>
// SPI Transfer
#define CYD_SPI_TRANSFER_SIZE_LIMIT (CYD2432S028R_LCD_DRAW_BUFFER_SIZE * LV_COLOR_DEPTH / 8)
// Display backlight (PWM)
#define CYD2432S028R_LCD_PIN_BACKLIGHT GPIO_NUM_21
using namespace tt::hal;
static bool initBoot() {
//Set the RGB Led Pins to output and turn them off
ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_4, GPIO_MODE_OUTPUT)); //Red
ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT)); //Green
ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_17, GPIO_MODE_OUTPUT)); //Blue
//0 on, 1 off... yep it's backwards.
ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_4, 1)); //Red
ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_16, 1)); //Green
ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_17, 1)); //Blue
return driver::pwmbacklight::init(CYD2432S028R_LCD_PIN_BACKLIGHT);
}
static DeviceVector createDevices() {
return {
createDisplay(),
createSdCard()
};
}
const Configuration cyd_2432s028r_config = {
.initBoot = initBoot,
.createDevices = createDevices,
.i2c = {
i2c::Configuration {
.name = "CN1",
.port = I2C_NUM_0,
.initMode = i2c::InitMode::ByTactility,
.isMutable = true,
.config = (i2c_config_t) {
.mode = I2C_MODE_MASTER,
.sda_io_num = GPIO_NUM_27,
.scl_io_num = GPIO_NUM_22,
.sda_pullup_en = false,
.scl_pullup_en = false,
.master = {
.clk_speed = 400000
},
.clk_flags = 0
}
}
},
.spi {
// Display
spi::Configuration {
.device = SPI2_HOST,
.dma = SPI_DMA_CH_AUTO,
.config = {
.mosi_io_num = GPIO_NUM_13,
.miso_io_num = GPIO_NUM_12,
.sclk_io_num = GPIO_NUM_14,
.quadwp_io_num = GPIO_NUM_NC,
.quadhd_io_num = GPIO_NUM_NC,
.data4_io_num = GPIO_NUM_NC,
.data5_io_num = GPIO_NUM_NC,
.data6_io_num = GPIO_NUM_NC,
.data7_io_num = GPIO_NUM_NC,
.data_io_default_level = false,
.max_transfer_sz = CYD_SPI_TRANSFER_SIZE_LIMIT,
.flags = 0,
.isr_cpu_id = ESP_INTR_CPU_AFFINITY_AUTO,
.intr_flags = 0
},
.initMode = spi::InitMode::ByTactility,
.isMutable = false,
.lock = tt::lvgl::getSyncLock()
},
// SDCard
spi::Configuration {
.device = SPI3_HOST,
.dma = SPI_DMA_CH_AUTO,
.config = {
.mosi_io_num = GPIO_NUM_23,
.miso_io_num = GPIO_NUM_19,
.sclk_io_num = GPIO_NUM_18,
.quadwp_io_num = GPIO_NUM_NC,
.quadhd_io_num = GPIO_NUM_NC,
.data4_io_num = GPIO_NUM_NC,
.data5_io_num = GPIO_NUM_NC,
.data6_io_num = GPIO_NUM_NC,
.data7_io_num = GPIO_NUM_NC,
.data_io_default_level = false,
.max_transfer_sz = 0,
.flags = 0,
.isr_cpu_id = ESP_INTR_CPU_AFFINITY_AUTO,
.intr_flags = 0
},
.initMode = spi::InitMode::ByTactility,
.isMutable = false,
.lock = tt::lvgl::getSyncLock() // esp_lvgl_port owns the lock for the display
},
},
.uart {
uart::Configuration {
.name = "P1",
.port = UART_NUM_1,
.rxPin = GPIO_NUM_1,
.txPin = GPIO_NUM_3,
.rtsPin = GPIO_NUM_NC,
.ctsPin = GPIO_NUM_NC,
.rxBufferSize = 1024,
.txBufferSize = 1024,
.config = {
.baud_rate = 115200,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 0,
.source_clk = UART_SCLK_DEFAULT,
.flags = {
.allow_pd = 0,
.backup_before_sleep = 0,
}
}
}
}
};