circuitpython/ports/espressif/boards/adafruit_esp32s3_camera/board.c

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

168 lines
6.2 KiB
C
Raw Normal View History

2021-12-25 02:16:25 -05:00
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "supervisor/board.h"
#include "mpconfigboard.h"
#include "shared-bindings/busio/SPI.h"
#include "shared-bindings/displayio/FourWire.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "shared-module/displayio/__init__.h"
#include "shared-module/displayio/mipi_constants.h"
#include "shared-bindings/board/__init__.h"
2021-12-25 02:16:25 -05:00
#include "esp_log.h"
#include "esp_err.h"
#include "driver/i2c.h"
2021-12-25 02:16:25 -05:00
displayio_fourwire_obj_t board_display_obj;
#define DELAY 0x80
uint8_t display_init_sequence[] = {
2022-02-25 20:29:31 -05:00
0x01, 0 | DELAY, 120, // SWRESET
0x11, 0 | DELAY, 5, // SLPOUT
2021-12-25 02:16:25 -05:00
0x36, 1, 0b10100000, // _MADCTL for rotation 0
0x3a, 1, 0x55, // COLMOD - 16bit color
2022-02-25 20:29:31 -05:00
0x21, 0, // _INVON
0x13, 0, // _NORON
0x29, 0 | DELAY, 5, // _DISPON
2021-12-25 02:16:25 -05:00
};
#define I2C_MASTER_SCL_IO 34
#define I2C_MASTER_SDA_IO 33
#define I2C_MASTER_NUM 0
#define I2C_MASTER_FREQ_HZ 400000
#define I2C_MASTER_TX_BUF_DISABLE 0
#define I2C_MASTER_RX_BUF_DISABLE 0
#define I2C_MASTER_TIMEOUT_MS 1000
#define I2C_WAIT 40 // Timing (in microseconds) for I2C
#define AW9523_ADDR (0x5B)
#define AW9523_REG_SOFTRESET (0x7f)
#define AW9523_REG_OUTPUT0 (0x02)
#define AW9523_REG_CONFIG0 (0x04)
#define AW9523_DEFAULT_OUTPUT (0)
#define AW9523_DEFAULT_CONFIG (0x2)
static void io_expander_backlight_init(void) {
int i2c_num = I2C_MASTER_NUM;
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.scl_io_num = I2C_MASTER_SCL_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_param_config(i2c_num, &conf);
i2c_driver_install(i2c_num, conf.mode, I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0);
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, AW9523_ADDR << 1 | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, AW9523_REG_SOFTRESET, true);
i2c_master_write_byte(cmd, 0, true);
i2c_master_stop(cmd);
2023-08-11 20:38:59 -04:00
i2c_master_cmd_begin(i2c_num, cmd, 1000 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, AW9523_ADDR << 1 | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, AW9523_REG_CONFIG0, true);
i2c_master_write_byte(cmd, AW9523_DEFAULT_CONFIG >> 8, true);
i2c_master_write_byte(cmd, AW9523_DEFAULT_CONFIG & 0xff, true);
i2c_master_stop(cmd);
2023-08-11 20:38:59 -04:00
i2c_master_cmd_begin(i2c_num, cmd, 1000 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, AW9523_ADDR << 1 | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, AW9523_REG_OUTPUT0, true);
i2c_master_write_byte(cmd, AW9523_DEFAULT_OUTPUT >> 8, true);
i2c_master_write_byte(cmd, AW9523_DEFAULT_OUTPUT & 0xff, true);
i2c_master_stop(cmd);
2023-08-11 20:38:59 -04:00
i2c_master_cmd_begin(i2c_num, cmd, 1000 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
i2c_driver_delete(i2c_num);
}
2021-12-25 02:16:25 -05:00
void board_init(void) {
io_expander_backlight_init();
2022-01-20 23:41:33 -05:00
busio_spi_obj_t *spi = common_hal_board_create_spi(0);
2023-04-21 16:23:01 -04:00
displayio_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
2021-12-25 02:16:25 -05:00
bus->base.type = &displayio_fourwire_type;
common_hal_displayio_fourwire_construct(bus,
spi,
2022-08-13 23:41:35 -04:00
&pin_GPIO40, // TFT_DC Command or data
&pin_GPIO39, // TFT_CS Chip select
&pin_GPIO38, // TFT_RESET Reset
2022-02-25 20:29:31 -05:00
40000000, // Baudrate
2021-12-25 02:16:25 -05:00
0, // Polarity
0); // Phase
2023-04-21 16:23:01 -04:00
displayio_display_obj_t *display = &allocate_display()->display;
2021-12-25 02:16:25 -05:00
display->base.type = &displayio_display_type;
common_hal_displayio_display_construct(
display,
bus,
240, // Width (after rotation)
240, // Height (after rotation)
80, // column start
0, // row start
2022-01-11 01:35:54 -05:00
0, // rotation
2021-12-25 02:16:25 -05:00
16, // Color depth
false, // Grayscale
false, // Pixels in a byte share a row. Only used for depth < 8
1, // bytes per cell. Only valid for depths < 8
false, // reverse_pixels_in_byte. Only valid for depths < 8
true, // reverse_pixels_in_word
MIPI_COMMAND_SET_COLUMN_ADDRESS, // Set column command
MIPI_COMMAND_SET_PAGE_ADDRESS, // Set row command
MIPI_COMMAND_WRITE_MEMORY_START, // Write memory command
display_init_sequence,
sizeof(display_init_sequence),
2023-07-25 16:12:53 -04:00
NULL, // backlight pin
2021-12-25 02:16:25 -05:00
NO_BRIGHTNESS_COMMAND,
2022-08-09 22:24:57 -04:00
1.0f, // brightness
2021-12-25 02:16:25 -05:00
false, // single_byte_bounds
false, // data_as_commands
true, // auto_refresh
60, // native_frames_per_second
true, // backlight_on_high
false, // not SH1107
50000); // backlight pwm frequency
2021-12-25 02:16:25 -05:00
}
void board_deinit(void) {
common_hal_displayio_release_displays();
}
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.