alexey.zholtikov/zh_pcf8574
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Alexey Zholtikov 2025-06-06 19:06:17 +03:00
parent 46019d0141
commit fff4013b40
3 changed files with 9 additions and 3 deletions
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1
include/zh_pcf8574.h
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@ -73,6 +73,7 @@ extern "C"
{
uint8_t i2c_address; // The i2c address of PCF8574 expander that caused the interrupt.
uint8_t gpio_number; // The GPIO that caused the interrupt.
bool gpio_level; // The GPIO level that caused the interrupt.
} zh_pcf8574_event_on_isr_t;
/**

2
version.txt
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@ -1 +1 @@
1.2.0
1.3.0

9
zh_pcf8574.c
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@ -223,6 +223,7 @@ 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 old_reg = handle->gpio_status;
uint8_t reg_temp = 0;
esp_err_t err = _zh_pcf8574_read_register(handle, &reg_temp);
if (err != ESP_OK)
@ -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]) != (reg_temp & _gpio_matrix[j]))
{
event.gpio_number = j;
event.gpio_level = reg_temp & _gpio_matrix[j];
}
break;
}
}