esp_components/zh_160x_i2c
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feat: added cursor operations

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This commit is contained in:
Alexey Zholtikov
2026-01-26 15:54:23 +03:00
parent 79f5ed0ad8
commit e172d045a6
3 changed files with 42 additions and 1 deletions
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19
include/zh_160x_i2c.h
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@@ -96,6 +96,25 @@ extern "C"
*/ */
esp_err_t zh_160x_clear_row(zh_pcf8574_handle_t *handle, uint8_t row); esp_err_t zh_160x_clear_row(zh_pcf8574_handle_t *handle, uint8_t row);
/**
* @brief Enable the cursor.
*
* @param[in] handle Pointer to unique PCF8574 handle.
* @param[in] blink Blink mode.
*
* @return ESP_OK if success or an error code otherwise.
*/
esp_err_t zh_160x_on_cursor(zh_pcf8574_handle_t *handle, bool blink);
/**
* @brief Disable the cursor.
*
* @param[in] handle Pointer to unique PCF8574 handle.
*
* @return ESP_OK if success or an error code otherwise.
*/
esp_err_t zh_160x_off_cursor(zh_pcf8574_handle_t *handle);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

2
version.txt
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@@ -1 +1 @@
4.0.0 4.1.0

22
zh_160x_i2c.c
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@@ -139,6 +139,28 @@ esp_err_t zh_160x_clear_row(zh_pcf8574_handle_t *handle, uint8_t row)
return ESP_OK; return ESP_OK;
} }
esp_err_t zh_160x_on_cursor(zh_pcf8574_handle_t *handle, bool blink)
{
ZH_LOGI("160X enable cursor started.");
ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "160X enable cursor failed. Invalid argument.");
ZH_ERROR_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, NULL, "160X enable cursor failed. PCF8574 not initialized.");
esp_err_t err = _zh_160x_send_command(handle, (blink == true) ? 0x0f : 0x0e);
ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "160X enable cursor failed. PCF8574 error.");
ZH_LOGI("160X enable cursor completed successfully.");
return ESP_OK;
}
esp_err_t zh_160x_off_cursor(zh_pcf8574_handle_t *handle)
{
ZH_LOGI("160X disable cursor started.");
ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "160X disable cursor failed. Invalid argument.");
ZH_ERROR_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, NULL, "160X disable cursor failed. PCF8574 not initialized.");
esp_err_t err = _zh_160x_send_command(handle, 0x0c);
ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "160X disable cursor failed. PCF8574 error.");
ZH_LOGI("160X disable cursor completed successfully.");
return ESP_OK;
}
static esp_err_t _zh_160x_lcd_init(zh_pcf8574_handle_t *handle) static esp_err_t _zh_160x_lcd_init(zh_pcf8574_handle_t *handle)
{ {
vTaskDelay(20 / portTICK_PERIOD_MS); vTaskDelay(20 / portTICK_PERIOD_MS);