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This commit is contained in:
Alexey Zholtikov
2025-10-25 09:14:57 +03:00
parent edf5044b28
commit 064e6bbe4f
7 changed files with 178 additions and 95 deletions
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.DS_Store vendored
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ds/PCF8574.pdf Normal file
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2
main/CMakeLists.txt
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@@ -1 +1 @@
idf_component_register(SRCS "main.c" INCLUDE_DIRS "" REQUIRES zh_pcf8574)
idf_component_register(SRCS "ate0004.c" INCLUDE_DIRS "" REQUIRES zh_pcf8574)

135
main/ate0004.c Executable file
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#include "ate0004.h"
#include "zh_pcf8574.h"
static i2c_master_bus_handle_t i2c_bus_handle = NULL;
static zh_pcf8574_handle_t button_handle = {0};
static zh_pcf8574_handle_t led_handle = {0};
static zh_pcf8574_handle_t relay_handle = {0};
static bool is_ts = true;
static bool is_ret = false;
static bool is_ext = false;
void zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
void app_main(void)
{
esp_log_level_set("zh_pcf8574", ESP_LOG_ERROR);
esp_log_level_set("zh_vector", ESP_LOG_ERROR);
gpio_config_t triac_pin_config = {
.intr_type = GPIO_INTR_DISABLE,
.mode = GPIO_MODE_OUTPUT,
.pin_bit_mask = (1ULL << TRIAC_GPIO),
.pull_down_en = GPIO_PULLDOWN_DISABLE,
.pull_up_en = GPIO_PULLUP_DISABLE,
};
gpio_config(&triac_pin_config);
gpio_set_level(TRIAC_GPIO, LOW);
i2c_master_bus_config_t i2c_bus_config = {
.clk_source = I2C_CLK_SRC_DEFAULT,
.scl_io_num = GPIO_NUM_22,
.sda_io_num = GPIO_NUM_21,
.glitch_ignore_cnt = 7,
};
i2c_new_master_bus(&i2c_bus_config, &i2c_bus_handle);
esp_event_loop_create_default();
esp_event_handler_instance_register(ZH_PCF8574, ESP_EVENT_ANY_ID, &zh_pcf8574_event_handler, NULL, NULL);
zh_pcf8574_init_config_t pcf8574_init_config = ZH_PCF8574_INIT_CONFIG_DEFAULT();
pcf8574_init_config.i2c_handle = i2c_bus_handle;
pcf8574_init_config.i2c_address = LED_I2C_ADDRESS;
zh_pcf8574_init(&pcf8574_init_config, &led_handle);
pcf8574_init_config.i2c_address = RELAY_I2C_ADDRESS;
zh_pcf8574_init(&pcf8574_init_config, &relay_handle);
pcf8574_init_config.i2c_address = BUTTON_I2C_ADDRESS;
pcf8574_init_config.p0_gpio_work_mode = true;
pcf8574_init_config.p1_gpio_work_mode = true;
pcf8574_init_config.p2_gpio_work_mode = true;
pcf8574_init_config.interrupt_gpio = GPIO_NUM_17;
zh_pcf8574_init(&pcf8574_init_config, &button_handle);
zh_pcf8574_write_gpio(&led_handle, TS_LED_GREEN, LED_ON);
zh_pcf8574_write_gpio(&led_handle, RET_LED_BLUE, LED_ON);
zh_pcf8574_write_gpio(&led_handle, EXT_LED_BLUE, LED_ON);
}
void zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data)
{
zh_pcf8574_event_on_isr_t *event = event_data;
switch (event->gpio_number)
{
case TS_BUTTON:
if (event->gpio_level == LOW && is_ret == false && is_ext == false)
{
if (is_ts == true)
{
zh_pcf8574_write_gpio(&led_handle, TS_LED_RED, LED_ON);
zh_pcf8574_write_gpio(&led_handle, TS_LED_GREEN, LED_OFF);
zh_pcf8574_write_gpio(&relay_handle, TS_RELAY, RELAY_OFF);
is_ts = false;
}
else
{
zh_pcf8574_write_gpio(&led_handle, TS_LED_RED, LED_OFF);
zh_pcf8574_write_gpio(&led_handle, TS_LED_GREEN, LED_ON);
zh_pcf8574_write_gpio(&relay_handle, TS_RELAY, RELAY_ON);
is_ts = true;
}
}
break;
case RET_BUTTON:
if (is_ext == true)
{
break;
}
if (event->gpio_level == LOW)
{
is_ret = true;
zh_pcf8574_write_gpio(&led_handle, RET_LED_BLUE, LED_OFF);
zh_pcf8574_write_gpio(&led_handle, RET_LED_GREEN, LED_ON);
zh_pcf8574_write_gpio(&relay_handle, RET_RELAY, RELAY_ON);
zh_pcf8574_write_gpio(&relay_handle, GROUND_RELAY, RELAY_ON);
vTaskDelay(20 / portTICK_PERIOD_MS);
gpio_set_level(TRIAC_GPIO, HIGH);
}
else
{
gpio_set_level(TRIAC_GPIO, LOW);
vTaskDelay(1 / portTICK_PERIOD_MS);
zh_pcf8574_write_gpio(&led_handle, RET_LED_BLUE, LED_ON);
zh_pcf8574_write_gpio(&led_handle, RET_LED_GREEN, LED_OFF);
zh_pcf8574_write_gpio(&relay_handle, RET_RELAY, RELAY_OFF);
zh_pcf8574_write_gpio(&relay_handle, GROUND_RELAY, RELAY_OFF);
is_ret = false;
}
break;
case EXT_BUTTON:
if (is_ret == true)
{
break;
}
if (event->gpio_level == LOW)
{
is_ext = true;
zh_pcf8574_write_gpio(&led_handle, EXT_LED_BLUE, LED_OFF);
zh_pcf8574_write_gpio(&led_handle, EXT_LED_GREEN, LED_ON);
zh_pcf8574_write_gpio(&relay_handle, EXT_RELAY, RELAY_ON);
zh_pcf8574_write_gpio(&relay_handle, GROUND_RELAY, RELAY_ON);
vTaskDelay(20 / portTICK_PERIOD_MS);
gpio_set_level(TRIAC_GPIO, HIGH);
}
else
{
gpio_set_level(TRIAC_GPIO, LOW);
vTaskDelay(1 / portTICK_PERIOD_MS);
zh_pcf8574_write_gpio(&led_handle, EXT_LED_BLUE, LED_ON);
zh_pcf8574_write_gpio(&led_handle, EXT_LED_GREEN, LED_OFF);
zh_pcf8574_write_gpio(&relay_handle, EXT_RELAY, RELAY_OFF);
zh_pcf8574_write_gpio(&relay_handle, GROUND_RELAY, RELAY_OFF);
is_ext = false;
}
break;
default:
break;
}
printf("Interrupt happened on device address 0x%02X on GPIO number %d at level %d.\n", event->i2c_address, event->gpio_number, event->gpio_level);
}

41
main/ate0004.h Normal file
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#pragma once
#define HIGH true
#define LOW false
#define LED_OFF LOW
#define LED_ON HIGH
#define RELAY_OFF LOW
#define RELAY_ON HIGH
#define TRIAC_GPIO GPIO_NUM_4
#define BUTTON_I2C_ADDRESS 0x22 // U7.
#define LED_I2C_ADDRESS 0x21 // U6.
#define RELAY_I2C_ADDRESS 0x20 // U5.
#define GROUND_RELAY 0x00 // Relay K1. RL1 pin on U5.
#define TS_RELAY 0x04 // Relay K4. RL4 pin on U5.
#define RET_RELAY 0x03 // Relay K3. RL3 pin on U5.
#define EXT_RELAY 0x02 // Relay K2. RL2 pin on U5.
#define TS_BUTTON 0x00 // Connector BT1. B1-0 on U7.
#define RET_BUTTON 0x01 // Connector BT2. B2-1 on U7.
#define EXT_BUTTON 0x02 // Connector BT3. B3-2 on U7.
#define TS_LED_RED 0x00 // Connector LE1. 2 PIN. L1-0 pin on U6.
#define TS_LED_GREEN 0x01 // Connector LE1. 1 PIN. L1-1 pin on U6.
#define RET_LED_BLUE 0x02 // Connector LE2. 2 PIN. L2-2 pin on U6.
#define RET_LED_GREEN 0x03 // Connector LE2. 1 PIN. L2-3 pin on U6.
#define EXT_LED_BLUE 0x04 // Connector LE3. 2 PIN. L3-4 pin on U6.
#define EXT_LED_GREEN 0x05 // Connector LE3. 1 PIN. L3-5 pin on U6.
#ifdef __cplusplus
extern "C"
{
#endif
#ifdef __cplusplus
}
#endif

93
main/main.c
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@@ -1,93 +0,0 @@
#include "zh_pcf8574.h"
#define I2C_PORT (I2C_NUM_MAX - 1)
#ifndef CONFIG_IDF_TARGET_ESP8266
i2c_master_bus_handle_t i2c_bus_handle = NULL;
#endif
zh_pcf8574_handle_t pcf8574_handle = {0};
void zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data); // Required only if used input GPIO interrupts.
void print_gpio_status(const char *message, uint8_t reg)
{
printf("%s", message);
for (uint8_t i = 0; i < 8; ++i)
{
printf("%c", (reg & 0x80) ? '1' : '0');
reg <<= 1;
}
printf(".\n");
}
void app_main(void)
{
esp_log_level_set("zh_pcf8574", ESP_LOG_NONE); // For ESP8266 first enable "Component config -> Log output -> Enable log set level" via menuconfig.
esp_log_level_set("zh_vector", ESP_LOG_NONE); // For ESP8266 first enable "Component config -> Log output -> Enable log set level" via menuconfig.
#ifdef CONFIG_IDF_TARGET_ESP8266
i2c_config_t i2c_config = {
.mode = I2C_MODE_MASTER,
.sda_io_num = GPIO_NUM_4, // In accordance with used chip.
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = GPIO_NUM_5, // In accordance with used chip.
.scl_pullup_en = GPIO_PULLUP_ENABLE,
};
i2c_driver_install(I2C_PORT, i2c_config.mode);
i2c_param_config(I2C_PORT, &i2c_config);
#else
i2c_master_bus_config_t i2c_bus_config = {
.clk_source = I2C_CLK_SRC_DEFAULT,
.i2c_port = I2C_PORT,
.scl_io_num = GPIO_NUM_22, // In accordance with used chip.
.sda_io_num = GPIO_NUM_21, // In accordance with used chip.
.glitch_ignore_cnt = 7,
.flags.enable_internal_pullup = true,
};
i2c_new_master_bus(&i2c_bus_config, &i2c_bus_handle);
#endif
esp_event_loop_create_default(); // Required only if used input GPIO interrupts.
#ifdef CONFIG_IDF_TARGET_ESP8266
esp_event_handler_register(ZH_PCF8574, ESP_EVENT_ANY_ID, &zh_pcf8574_event_handler, NULL); // Required only if used input GPIO interrupts.
#else
esp_event_handler_instance_register(ZH_PCF8574, ESP_EVENT_ANY_ID, &zh_pcf8574_event_handler, NULL, NULL); // Required only if used input GPIO interrupts.
#endif
zh_pcf8574_init_config_t pcf8574_init_config = ZH_PCF8574_INIT_CONFIG_DEFAULT();
#ifdef CONFIG_IDF_TARGET_ESP8266
pcf8574_init_config.i2c_port = I2C_PORT;
#else
pcf8574_init_config.i2c_handle = i2c_bus_handle;
#endif
pcf8574_init_config.i2c_address = 0x38;
pcf8574_init_config.p0_gpio_work_mode = true; // Required only for input GPIO.
pcf8574_init_config.interrupt_gpio = GPIO_NUM_14; // Required only if used input GPIO interrupts.
zh_pcf8574_init(&pcf8574_init_config, &pcf8574_handle);
uint8_t reg = 0;
zh_pcf8574_read(&pcf8574_handle, &reg);
print_gpio_status("GPIO status: ", reg);
printf("Set P7 to 1, P1 to 1 and P0 to 0.\n");
zh_pcf8574_write(&pcf8574_handle, 0b10000010); // GPIO P0 will not be changed because it is operating in input mode.
zh_pcf8574_read(&pcf8574_handle, &reg);
print_gpio_status("GPIO status: ", reg);
printf("Sets P0 to 0.\n");
zh_pcf8574_write_gpio(&pcf8574_handle, 0, false); // GPIO P0 will not be changed because it is operating in input mode.
bool gpio = 0;
zh_pcf8574_read_gpio(&pcf8574_handle, 0, &gpio);
printf("P0 status: %d.\n", gpio);
printf("Set P1 to 0.\n");
zh_pcf8574_write_gpio(&pcf8574_handle, 1, false);
zh_pcf8574_read_gpio(&pcf8574_handle, 1, &gpio);
printf("P1 status: %d.\n", gpio);
zh_pcf8574_read(&pcf8574_handle, &reg);
print_gpio_status("GPIO status: ", reg);
printf("Reset all GPIO.\n");
zh_pcf8574_reset(&pcf8574_handle);
zh_pcf8574_read(&pcf8574_handle, &reg);
print_gpio_status("GPIO status: ", reg);
}
void zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data) // Required only if used input GPIO interrupts.
{
zh_pcf8574_event_on_isr_t *event = event_data;
printf("Interrupt happened on device address 0x%02X on GPIO number %d at level %d.\n", event->i2c_address, event->gpio_number, event->gpio_level);
}

2
sdkconfig
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@@ -254,7 +254,7 @@ CONFIG_IDF_TOOLCHAIN_GCC=y
CONFIG_IDF_TARGET_ARCH_XTENSA=y
CONFIG_IDF_TARGET_ARCH="xtensa"
CONFIG_IDF_TARGET="esp32"
CONFIG_IDF_INIT_VERSION="$IDF_INIT_VERSION"
CONFIG_IDF_INIT_VERSION="5.5.1"
CONFIG_IDF_TARGET_ESP32=y
CONFIG_IDF_FIRMWARE_CHIP_ID=0x0000