esp_components/zh_pcf8574
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feat: added interrupt for high level

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This commit is contained in:
Alexey Zholtikov
2025-06-07 08:39:46 +03:00
parent 46019d0141
commit 9ead86ba5e
4 changed files with 13 additions and 7 deletions
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13
zh_pcf8574.c
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@@ -223,8 +223,9 @@ static void IRAM_ATTR _zh_pcf8574_isr_processing_task(void *pvParameter)
zh_pcf8574_event_on_isr_t event = {0};
event.i2c_address = handle->i2c_address;
event.gpio_number = 0xFF;
uint8_t reg_temp = 0;
esp_err_t err = _zh_pcf8574_read_register(handle, &reg_temp);
uint8_t old_reg = handle->gpio_status;
uint8_t new_reg = 0;
esp_err_t err = _zh_pcf8574_read_register(handle, &new_reg);
if (err != ESP_OK)
{
ZH_PCF8574_LOGE_ERR("PCF8574 isr processing failed. Failed to read expander register.", err);
@@ -232,9 +233,13 @@ static void IRAM_ATTR _zh_pcf8574_isr_processing_task(void *pvParameter)
}
for (uint8_t j = 0; j <= 7; ++j)
{
if (((handle->gpio_work_mode & _gpio_matrix[j]) != 0) && ((reg_temp & _gpio_matrix[j]) == 0))
if ((handle->gpio_work_mode & _gpio_matrix[j]) != 0)
{
event.gpio_number = j;
if ((old_reg & _gpio_matrix[j]) != (new_reg & _gpio_matrix[j]))
{
event.gpio_number = j;
event.gpio_level = new_reg & _gpio_matrix[j];
}
break;
}
}