alexey.zholtikov/zh_160x_i2c
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Alexey Zholtikov
2025-06-01 15:50:25 +03:00
parent ab9505ff8a
commit 83b1f6bab3
3 changed files with 6 additions and 5 deletions
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zh_160x_i2c.c
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@ -54,10 +54,11 @@ esp_err_t zh_160x_lcd_clear(zh_pcf8574_handle_t *handle)
esp_err_t zh_160x_set_cursor(zh_pcf8574_handle_t *handle, uint8_t row, uint8_t col) esp_err_t zh_160x_set_cursor(zh_pcf8574_handle_t *handle, uint8_t row, uint8_t col)
{ {
ZH_160X_I2C_LOGI("160X set cursor started."); ZH_160X_I2C_LOGI("160X set cursor started.");
ZH_160X_I2C_CHECK(row < 2 && col < 16 && handle != NULL, ESP_ERR_INVALID_ARG, "160X set cursor failed. Invalid argument."); ZH_160X_I2C_CHECK(row < ((handle->system == ZH_LCD_16X2) ? 2 : 4) && col < 16 && handle != NULL, ESP_ERR_INVALID_ARG, "160X set cursor failed. Invalid argument.");
ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X set cursor failed. PCF8574 not initialized."); ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X set cursor failed. PCF8574 not initialized.");
uint8_t address = (row == 0) ? col : (0x40 + col); _zh_160x_send_command(handle, 0x80 | ((row == 0) ? col : (row == 1) ? (0x40 + col)
_zh_160x_send_command(handle, 0x80 | address); : (row == 2) ? (0x10 + col)
: (0x50 + col)));
ZH_160X_I2C_LOGI("160X set cursor completed successfully."); ZH_160X_I2C_LOGI("160X set cursor completed successfully.");
return ESP_OK; return ESP_OK;
} }
@ -102,7 +103,7 @@ esp_err_t zh_160x_print_float(zh_pcf8574_handle_t *handle, float num, uint8_t pr
esp_err_t zh_160x_print_progress_bar(zh_pcf8574_handle_t *handle, uint8_t row, uint8_t progress) esp_err_t zh_160x_print_progress_bar(zh_pcf8574_handle_t *handle, uint8_t row, uint8_t progress)
{ {
ZH_160X_I2C_LOGI("160X print progress bar started."); ZH_160X_I2C_LOGI("160X print progress bar started.");
ZH_160X_I2C_CHECK(row < 2 && progress <= 100 && handle != NULL, ESP_ERR_INVALID_ARG, "160X print progress bar failed. Invalid argument."); ZH_160X_I2C_CHECK(row < ((handle->system == ZH_LCD_16X2) ? 2 : 4) && progress <= 100 && handle != NULL, ESP_ERR_INVALID_ARG, "160X print progress bar failed. Invalid argument.");
ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X print progress bar failed. PCF8574 not initialized."); ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X print progress bar failed. PCF8574 not initialized.");
uint8_t blocks = (progress * 16) / 100; uint8_t blocks = (progress * 16) / 100;
zh_160x_set_cursor(handle, row, 0); zh_160x_set_cursor(handle, row, 0);
@ -124,7 +125,7 @@ esp_err_t zh_160x_print_progress_bar(zh_pcf8574_handle_t *handle, uint8_t row, u
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)
{ {
ZH_160X_I2C_LOGI("160X clear row started."); ZH_160X_I2C_LOGI("160X clear row started.");
ZH_160X_I2C_CHECK(row < 2 && handle != NULL, ESP_ERR_INVALID_ARG, "160X clear row failed. Invalid argument."); ZH_160X_I2C_CHECK(row < ((handle->system == ZH_LCD_16X2) ? 2 : 4) && handle != NULL, ESP_ERR_INVALID_ARG, "160X clear row failed. Invalid argument.");
ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X clear row failed. PCF8574 not initialized."); ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X clear row failed. PCF8574 not initialized.");
zh_160x_set_cursor(handle, row, 0); zh_160x_set_cursor(handle, row, 0);
for (uint8_t i = 0; i < 16; ++i) for (uint8_t i = 0; i < 16; ++i)