avr_libraries/zh_avr_pcf8574
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feat: updated supported interrupt pins

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This commit is contained in:
Alexey Zholtikov
2025-08-17 08:45:52 +03:00
parent dfebb15213
commit 196398ac6f
4 changed files with 4 additions and 3 deletions
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1
.gitignore vendored Normal file
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.DS_Store

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README.md
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@@ -9,7 +9,7 @@
## Note
1. Enable interrupt support only if input GPIO's are used.
2. All the INT GPIO's on the extenders must be connected to the one GPIO on AVR. Only PORTD4 - PORTD7 are acceptable!
2. All the INT GPIO's on the extenders must be connected to the one GPIO on AVR. Only PORTD0 - PORTD7 are acceptable!
3. The input GPIO's are always pullup to the power supply.
## Dependencies

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version.txt
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1.1.0
1.2.0

2
zh_avr_pcf8574.c
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@@ -81,7 +81,7 @@ static avr_err_t _zh_avr_pcf8574_validate_config(const zh_avr_pcf8574_init_confi
ZH_ERROR_CHECK(config != NULL, AVR_ERR_INVALID_ARG);
ZH_ERROR_CHECK((config->i2c_address >= 0x20 && config->i2c_address <= 0x27) || (config->i2c_address >= 0x38 && config->i2c_address <= 0x3F), AVR_ERR_INVALID_ARG);
ZH_ERROR_CHECK(config->task_priority > tskIDLE_PRIORITY && config->stack_size >= 124, AVR_ERR_INVALID_ARG);
ZH_ERROR_CHECK(config->interrupt_gpio == 0xFF || config->interrupt_gpio == PORTD4 || config->interrupt_gpio == PORTD5 || config->interrupt_gpio == PORTD6 || config->interrupt_gpio == PORTD7, AVR_ERR_INVALID_ARG);
ZH_ERROR_CHECK(config->interrupt_gpio == 0xFF || (config->interrupt_gpio >= PORTD0 && config->interrupt_gpio <= PORTD7), AVR_ERR_INVALID_ARG);
return AVR_OK;
}