zener/lvgl_esp32_drivers
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Merge branch 'master' into master

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Martin 2021-06-23 09:25:39 +02:00 • committed by GitHub
commit bcd2b80bae
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9 changed files with 399 additions and 12 deletions
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35
lvgl_helpers.c
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@ -19,9 +19,9 @@
#include "driver/i2c.h"
#ifdef LV_LVGL_H_INCLUDE_SIMPLE
#include "src/lv_core/lv_refr.h"
#include "lvgl.h"
#else
#include "lvgl/src/lv_core/lv_refr.h"
#include "lvgl/lvgl.h"
#endif
/*********************
@ -53,7 +53,12 @@
/* Interface and driver initialization */
void lvgl_driver_init(void)
{
/* Since LVGL v8 LV_HOR_RES_MAX and LV_VER_RES_MAX are not defined, so
* print it only if they are defined. */
#if (LVGL_VERSION_MAJOR < 8)
ESP_LOGI(TAG, "Display hor size: %d, ver size: %d", LV_HOR_RES_MAX, LV_VER_RES_MAX);
#endif
ESP_LOGI(TAG, "Display buffer size: %d", DISP_BUF_SIZE);
#if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X)
@ -202,23 +207,45 @@ bool lvgl_i2c_driver_init(int port, int sda_pin, int scl_pin, int speed_hz)
return ESP_OK != err;
}
/* Initialize spi bus master */
/* Initialize spi bus master
*
* NOTE: dma_chan type and value changed to int instead of spi_dma_chan_t
* for backwards compatibility with ESP-IDF versions prior v4.3.
*
* We could use the ESP_IDF_VERSION_VAL macro available in the "esp_idf_version.h"
* header available since ESP-IDF v4.
*/
bool lvgl_spi_driver_init(int host,
int miso_pin, int mosi_pin, int sclk_pin,
int max_transfer_sz,
int dma_channel,
int quadwp_pin, int quadhd_pin)
{
int dma_chan = 0 /* SPI_DMA_DISABLED */;
#if defined (CONFIG_IDF_TARGET_ESP32)
assert((SPI_HOST <= host) && (VSPI_HOST >= host));
const char *spi_names[] = {
"SPI_HOST", "HSPI_HOST", "VSPI_HOST"
};
dma_chan = dma_channel;
#elif defined (CONFIG_IDF_TARGET_ESP32S2)
assert((SPI_HOST <= host) && (HSPI_HOST >= host));
const char *spi_names[] = {
"SPI_HOST", "", ""
};
dma_chan = dma_channel;
#elif defined (CONFIG_IDF_TARGET_ESP32C3)
assert((SPI1_HOST <= host) && (SPI3_HOST >= host));
const char *spi_names[] = {
"SPI1_HOST", "SPI2_HOST", "SPI3_HOST"
};
dma_chan = 3 /* SPI_DMA_CH_AUTO */;
#else
#error "Target chip not selected"
#endif
ESP_LOGI(TAG, "Configuring SPI host %s (%d)", spi_names[host], host);
@ -237,7 +264,7 @@ bool lvgl_spi_driver_init(int host,
};
ESP_LOGI(TAG, "Initializing SPI bus...");
esp_err_t ret = spi_bus_initialize(host, &buscfg, dma_channel);
esp_err_t ret = spi_bus_initialize(host, &buscfg, dma_chan);
assert(ret == ESP_OK);
return ESP_OK != ret;