maddiefuzz/spincoat-plater-firmware
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Add first pass of SPI LCD logic

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This commit is contained in:
maddiebaka
2025-12-05 23:34:42 -05:00
parent 33314d2a4a
commit 1763303f3c
54 changed files with 3422 additions and 1 deletions
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main/CMakeLists.txt
+1 -1
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@@ -1,3 +1,3 @@
idf_component_register(SRCS "spincoat-plater-firmware.c" "dshot_esc_encoder.c"
PRIV_REQUIRES esp_driver_rmt esp_driver_uart
PRIV_REQUIRES esp_driver_rmt esp_driver_gpio esp_driver_uart esp_driver_spi esp_lcd
INCLUDE_DIRS ".")
main/Kconfig
+41
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@@ -9,4 +9,45 @@ menu "Pin Mapping Configuration"
default 27
help
This is the pin used for receiving UART telemetry from the ESC.
config TFT_MISO_PIN
int "SPI LCD MISO pin"
default 12
help
This is the pin for MISO on the SPI LCD.
config TFT_MOSI_PIN
int "SPI LCD MOSI pin"
default 13
help
This is the pin for MOSI on the SPI LCD.
config TFT_SCKL_PIN
int "SPI LCD SCKL pin"
default 14
help
This is the pin for SCKL on the SPI LCD.
config TFT_CS_PIN
int "SPI LCD CS pin"
default 15
help
This is the pin for CS on the SPI LCD.
config TFT_DC_PIN
int "SPI LCD DC pin"
default 2
help
This is the pin for DC on the SPI LCD.
config TFT_BL_PIN
int "SPI LCD BL (backlight) pin"
default 21
help
This is the pin for backlight control on the SPI LCD.
config TFT_HRES
int "The horizontal resolution of the TFT display"
default 320
help
This is the horizontal resolution for the front-panel SPI LCD
config TFT_VRES
int "The vertical resolution of the TFT display"
default 240
help
This is the vertical resolution for the front-panel SPI LCD
endmenu
main/idf_component.yml
+17
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@@ -0,0 +1,17 @@
## IDF Component Manager Manifest File
dependencies:
## Required IDF version
idf:
version: '>=4.1.0'
# # Put list of dependencies here
# # For components maintained by Espressif:
# component: "~1.0.0"
# # For 3rd party components:
# username/component: ">=1.0.0,<2.0.0"
# username2/component2:
# version: "~1.0.0"
# # For transient dependencies `public` flag can be set.
# # `public` flag doesn't have an effect dependencies of the `main` component.
# # All dependencies of `main` are public by default.
# public: true
espressif/esp_lcd_ili9341: ^2.0.0
main/spincoat-plater-firmware.c
+74
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@@ -8,9 +8,18 @@
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"
#include "driver/rmt_tx.h"
#include "driver/uart.h"
#include "driver/gpio.h"
#include "hal/spi_types.h"
#include "esp_lcd_panel_ops.h"
#include "driver/spi_common.h"
#include "esp_lcd_panel_io.h"
#include "esp_lcd_ili9341.h"
#include "dshot_esc_encoder.h"
#if CONFIG_IDF_TARGET_ESP32H2
@@ -18,9 +27,20 @@
#else
#define DSHOT_ESC_RESOLUTION_HZ 40000000 // 40MHz resolution, DSHot protocol needs a relative high resolution
#endif
#define GPIO_ESC_CTRL CONFIG_ESC_CTRL_PIN
#define GPIO_ESC_RX CONFIG_TELEMETRY_RX_PIN
#define UART_NUM UART_NUM_2
#define LCD_SPI_HOST SPI2_HOST
#define GPIO_TFT_MISO CONFIG_TFT_MISO_PIN
#define GPIO_TFT_MOSI CONFIG_TFT_MOSI_PIN
#define GPIO_TFT_SCKL CONFIG_TFT_SCKL_PIN
#define GPIO_TFT_CS CONFIG_TFT_CS_PIN
#define GPIO_TFT_DC CONFIG_TFT_DC_PIN
#define GPIO_TFT_BL CONFIG_TFT_BL_PIN // Backlight
#define TFT_HRES CONFIG_TFT_HRES
#define TFT_VRES CONFIG_TFT_VRES
#define ESP_INTR_FLAG_DEFAULT 0
@@ -117,6 +137,58 @@ void init_telemetry_uart_rx(void) {
ESP_ERROR_CHECK(uart_set_pin(UART_NUM, UART_PIN_NO_CHANGE, GPIO_ESC_RX, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE));
}
void spi_lcd_transfer_done(void) {
return;
}
void init_spi_lcd(void) {
ESP_LOGI(TAG, "Initialize SPI bus");
// TODO might need to replace with another config var
const spi_bus_config_t bus_config = ILI9341_PANEL_BUS_SPI_CONFIG(GPIO_TFT_SCKL,
GPIO_TFT_MOSI,
TFT_HRES * TFT_VRES * sizeof(uint16_t));
ESP_ERROR_CHECK(spi_bus_initialize(LCD_SPI_HOST, &bus_config, SPI_DMA_CH_AUTO));
ESP_LOGI(TAG, "Install panel IO");
esp_lcd_panel_io_handle_t io_handle = NULL;
const esp_lcd_panel_io_spi_config_t io_config = ILI9341_PANEL_IO_SPI_CONFIG(GPIO_TFT_CS, GPIO_TFT_DC,
NULL, NULL);
ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)LCD_SPI_HOST, &io_config, &io_handle));
ESP_LOGI(TAG, "Install ILI9341 panel driver");
esp_lcd_panel_handle_t panel_handle = NULL;
const esp_lcd_panel_dev_config_t panel_config = {
.reset_gpio_num = -1,
.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
.bits_per_pixel = 16,
};
ESP_ERROR_CHECK(esp_lcd_new_panel_ili9341(io_handle, &panel_config, &panel_handle));
ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_handle));
ESP_ERROR_CHECK(esp_lcd_panel_init(panel_handle));
ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_handle, true));
ESP_LOGI(TAG, "Turning on backlight");
printf("Configured pin is reported as %d\n", CONFIG_TFT_BL_PIN);
// TODO: This pin isn't going high. Configure it properly.
gpio_config_t io_conf = {
.pin_bit_mask = (1ULL << GPIO_TFT_BL),
.mode = GPIO_MODE_OUTPUT,
.pull_up_en = GPIO_PULLUP_ENABLE,
.pull_down_en = GPIO_PULLDOWN_DISABLE,
.intr_type = GPIO_INTR_DISABLE
};
gpio_config(&io_conf);
//gpio_reset_pin(GPIO_TFT_BL);
//gpio_set_direction(GPIO_TFT_BL, GPIO_MODE_OUTPUT);
ESP_ERROR_CHECK(gpio_set_level(GPIO_TFT_BL, 1));
ESP_LOGI(TAG, "Finished init of spi LCD.");
}
/**
* Sends a DSHOT packet via the RMT. Make sure the RMT channel has been initialized
* by calling *init_rmt_esc_tx()*
@@ -187,6 +259,8 @@ void parse_telemetry(void) {
}
void app_main(void) {
init_spi_lcd();
init_rmt_esc_tx();
throttle.throttle = 300;