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Merge pull request #8245 from jepler/esp32-camera-backlight-solarize 

pycamera: backlight, solarize
This commit is contained in:
Scott Shawcroft 2023-08-02 10:00:21 -07:00 committed by GitHub
parent 24534abd9e 4e01e6bbe5
commit 9cc4b4cd37
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 68 additions and 2 deletions
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4
ports/espressif/Makefile
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@ -446,11 +446,13 @@ else
all: $(BUILD)/firmware.bin
endif
$(IDF_CMAKE_TARGETS): esp-idf-stamp
.PHONY: esp-idf-stamp
esp-idf-stamp: $(BUILD)/esp-idf/config/sdkconfig.h
$(Q)ninja -C $(BUILD)/esp-idf $(IDF_CMAKE_TARGETS)
$(BUILD)/firmware.elf: $(OBJ) | esp-idf-stamp
$(BUILD)/firmware.elf: $(OBJ) | esp-idf-stamp $(IDF_CMAKE_TARGETS)
$(STEPECHO) "LINK $@"
$(Q)$(CC) -o $@ $(LDFLAGS) $^ -Wl,--start-group $(ESP_IDF_COMPONENTS_EXPANDED) $(BINARY_BLOBS) $(MBEDTLS_COMPONENTS_LINK_EXPANDED) $(BUILD)/esp-idf/esp-idf/newlib/libnewlib.a -Wl,--end-group -u newlib_include_pthread_impl -u ld_include_highint_hdl -Wl,--start-group $(LIBS) -Wl,--end-group $(BUILD)/esp-idf/esp-idf/pthread/libpthread.a -u __cxx_fatal_exception

64
ports/espressif/boards/adafruit_esp32s3_camera/board.c
View File

@ -35,6 +35,8 @@
#include "shared-bindings/board/__init__.h"
#include "esp_log.h"
#include "esp_err.h"
#include "driver/i2c.h"
displayio_fourwire_obj_t board_display_obj;
@ -50,7 +52,69 @@ uint8_t display_init_sequence[] = {
0x29, 0 | DELAY, 5, // _DISPON
};
#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);
i2c_master_cmd_begin(i2c_num, cmd, 1000 / portTICK_RATE_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);
i2c_master_cmd_begin(i2c_num, cmd, 1000 / portTICK_RATE_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);
i2c_master_cmd_begin(i2c_num, cmd, 1000 / portTICK_RATE_MS);
i2c_cmd_link_delete(cmd);
i2c_driver_delete(i2c_num);
}
void board_init(void) {
io_expander_backlight_init();
busio_spi_obj_t *spi = common_hal_board_create_spi(0);
displayio_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
bus->base.type = &displayio_fourwire_type;

2
ports/espressif/esp32-camera

@ -1 +1 @@
Subproject commit 2cd2a6d69faaba9ebb6105814a50039d82e2f899
Subproject commit 2758089a06ccae79d8fcab6c93e2ca3761646f9f