zener/lvgl_esp32_drivers
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Replace allLVGL driver I2C code with I2C Manager

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For discussion see #70
This commit is contained in:
Rop Gonggrijp 2021-07-08 11:04:07 +02:00
parent 8f1370d1c4
commit e52112376f
24 changed files with 896 additions and 679 deletions
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46
lvgl_tft/ssd1306.c
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@ -13,10 +13,9 @@
/*********************
* INCLUDES
*********************/
#include "driver/i2c.h"
#include "assert.h"
#include "lvgl_i2c_conf.h"
#include "i2c_manager/i2c_manager.h"
#include "ssd1306.h"
@ -25,6 +24,7 @@
*********************/
#define TAG "SSD1306"
#define OLED_I2C_PORT (CONFIG_LV_I2C_DISPLAY_PORT)
// SLA (0x3C) + WRITE_MODE (0x00) = 0x78 (0b01111000)
#define OLED_I2C_ADDRESS 0x3C
#define OLED_WIDTH 128
@ -70,8 +70,6 @@
// Charge Pump (pg.62)
#define OLED_CMD_SET_CHARGE_PUMP 0x8D // follow with 0x14
#define OLED_IIC_FREQ_HZ 400000 // I2C colock frequency
/**********************
* TYPEDEFS
**********************/
@ -217,20 +215,22 @@ static uint8_t send_data(lv_disp_drv_t *disp_drv, void *bytes, size_t bytes_len)
uint8_t *data = (uint8_t *) bytes;
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
err = lvgl_i2c_write(OLED_I2C_PORT, OLED_I2C_ADDRESS, data[0], data + 1, bytes_len - 1 );
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
for (size_t idx = 0; idx < bytes_len; idx++) {
i2c_master_write_byte(cmd, data[idx], true);
}
i2c_master_stop(cmd);
/* Send queued commands */
err = i2c_master_cmd_begin(DISP_I2C_PORT, cmd, 10 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
// i2c_cmd_handle_t cmd = i2c_cmd_link_create();
//
// i2c_master_start(cmd);
// i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
//
// for (size_t idx = 0; idx < bytes_len; idx++) {
// i2c_master_write_byte(cmd, data[idx], true);
// }
//
// i2c_master_stop(cmd);
//
// /* Send queued commands */
// err = i2c_master_cmd_begin(DISP_I2C_PORT, cmd, 10 / portTICK_PERIOD_MS);
// i2c_cmd_link_delete(cmd);
return ESP_OK == err ? 0 : 1;
}
@ -240,17 +240,7 @@ static uint8_t send_pixels(lv_disp_drv_t *disp_drv, void *color_buffer, size_t b
(void) disp_drv;
esp_err_t err;
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_DATA_STREAM, true);
i2c_master_write(cmd, (uint8_t *) color_buffer, buffer_len, true);
i2c_master_stop(cmd);
/* Send queued commands */
err = i2c_master_cmd_begin(DISP_I2C_PORT, cmd, 10 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
err = lvgl_i2c_write(OLED_I2C_PORT, OLED_I2C_ADDRESS, OLED_CONTROL_BYTE_DATA_STREAM, color_buffer, buffer_len);
return ESP_OK == err ? 0 : 1;
}