174 lines
7.1 KiB
C
174 lines
7.1 KiB
C
#include "zh_160x_i2c.h"
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static const char *TAG = "zh_160x_i2c";
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#define ZH_160X_I2C_LOGI(msg, ...) ESP_LOGI(TAG, msg, ##__VA_ARGS__)
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#define ZH_160X_I2C_LOGW(msg, ...) ESP_LOGW(TAG, msg, ##__VA_ARGS__)
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#define ZH_160X_I2C_LOGE(msg, ...) ESP_LOGE(TAG, msg, ##__VA_ARGS__)
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#define ZH_160X_I2C_LOGE_ERR(msg, err, ...) ESP_LOGE(TAG, "[%s:%d:%s] " msg, __FILE__, __LINE__, esp_err_to_name(err), ##__VA_ARGS__)
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#define ZH_160X_I2C_CHECK(cond, err, msg, ...) \
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if (!(cond)) \
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{ \
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ZH_160X_I2C_LOGE_ERR(msg, err); \
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return err; \
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}
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#ifdef CONFIG_IDF_TARGET_ESP8266
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#define esp_delay_us(x) os_delay_us(x)
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#else
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#define esp_delay_us(x) esp_rom_delay_us(x)
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#endif
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#define LCD_160X_PULSE \
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zh_pcf8574_write_gpio(handle, 2, true); \
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esp_delay_us(300); \
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zh_pcf8574_write_gpio(handle, 2, false); \
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esp_delay_us(400);
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static void _zh_160x_lcd_init(zh_pcf8574_handle_t *handle);
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static void _zh_160x_send_command(zh_pcf8574_handle_t *handle, uint8_t command);
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static void _zh_160x_send_data(zh_pcf8574_handle_t *handle, uint8_t data);
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esp_err_t zh_160x_init(zh_pcf8574_handle_t *handle, bool size)
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{
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ZH_160X_I2C_LOGI("160X initialization started.");
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ZH_160X_I2C_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, "160X initialization failed. Invalid argument.");
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ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X initialization failed. PCF8574 not initialized.");
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handle->system = size;
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_zh_160x_lcd_init(handle);
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ZH_160X_I2C_LOGI("160X initialization completed successfully.");
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return ESP_OK;
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}
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esp_err_t zh_160x_lcd_clear(zh_pcf8574_handle_t *handle)
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{
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ZH_160X_I2C_LOGI("160X display cleaning started.");
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ZH_160X_I2C_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, "160X display cleaning failed. Invalid argument.");
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ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X display cleaning failed. PCF8574 not initialized.");
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_zh_160x_send_command(handle, 0x01);
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ZH_160X_I2C_LOGI("160X display cleaning completed successfully.");
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return ESP_OK;
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}
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esp_err_t zh_160x_set_cursor(zh_pcf8574_handle_t *handle, uint8_t row, uint8_t col)
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{
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ZH_160X_I2C_LOGI("160X set cursor started.");
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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.");
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ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X set cursor failed. PCF8574 not initialized.");
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_zh_160x_send_command(handle, 0x80 | ((row == 0) ? col : (row == 1) ? (0x40 + col)
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: (row == 2) ? (0x10 + col)
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: (0x50 + col)));
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ZH_160X_I2C_LOGI("160X set cursor completed successfully.");
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return ESP_OK;
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}
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esp_err_t zh_160x_print_char(zh_pcf8574_handle_t *handle, const char *str)
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{
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ZH_160X_I2C_LOGI("160X print char started.");
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ZH_160X_I2C_CHECK(str != NULL && handle != NULL, ESP_ERR_INVALID_ARG, "160X print char failed. Invalid argument.");
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ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X print char failed. PCF8574 not initialized.");
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while (*str != 0)
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{
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_zh_160x_send_data(handle, (uint8_t)*str++);
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}
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ZH_160X_I2C_LOGI("160X print char completed successfully.");
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return ESP_OK;
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}
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esp_err_t zh_160x_print_int(zh_pcf8574_handle_t *handle, int num)
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{
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ZH_160X_I2C_LOGI("160X print int started.");
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ZH_160X_I2C_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, "160X print int failed. Invalid argument.");
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ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X print int failed. PCF8574 not initialized.");
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char buffer[12];
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sprintf(buffer, "%d", num);
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zh_160x_print_char(handle, buffer);
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ZH_160X_I2C_LOGI("160X print int completed successfully.");
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return ESP_OK;
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}
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esp_err_t zh_160x_print_float(zh_pcf8574_handle_t *handle, float num, uint8_t precision)
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{
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ZH_160X_I2C_LOGI("160X print float started.");
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ZH_160X_I2C_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, "160X print float failed. Invalid argument.");
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ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X print float failed. PCF8574 not initialized.");
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char buffer[16];
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sprintf(buffer, "%.*f", precision, num);
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zh_160x_print_char(handle, buffer);
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ZH_160X_I2C_LOGI("160X print float completed successfully.");
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return ESP_OK;
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}
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esp_err_t zh_160x_print_progress_bar(zh_pcf8574_handle_t *handle, uint8_t row, uint8_t progress)
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{
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ZH_160X_I2C_LOGI("160X print progress bar started.");
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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.");
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ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X print progress bar failed. PCF8574 not initialized.");
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uint8_t blocks = (progress * 16) / 100;
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zh_160x_set_cursor(handle, row, 0);
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for (uint8_t i = 0; i < 16; ++i)
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{
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if (i < blocks)
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{
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zh_160x_print_char(handle, "\xFF");
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}
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else
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{
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zh_160x_print_char(handle, " ");
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}
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}
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ZH_160X_I2C_LOGI("160X print progress bar completed successfully.");
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return ESP_OK;
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}
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esp_err_t zh_160x_clear_row(zh_pcf8574_handle_t *handle, uint8_t row)
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{
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ZH_160X_I2C_LOGI("160X clear row started.");
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ZH_160X_I2C_CHECK(row < ((handle->system == ZH_LCD_16X2) ? 2 : 4) && handle != NULL, ESP_ERR_INVALID_ARG, "160X clear row failed. Invalid argument.");
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ZH_160X_I2C_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, "160X clear row failed. PCF8574 not initialized.");
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zh_160x_set_cursor(handle, row, 0);
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for (uint8_t i = 0; i < 16; ++i)
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{
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zh_160x_print_char(handle, " ");
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}
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zh_160x_set_cursor(handle, row, 0);
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ZH_160X_I2C_LOGI("160X clear row completed successfully.");
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return ESP_OK;
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}
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static void _zh_160x_lcd_init(zh_pcf8574_handle_t *handle)
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{
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vTaskDelay(20 / portTICK_PERIOD_MS);
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zh_pcf8574_write(handle, 0x30);
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LCD_160X_PULSE;
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zh_pcf8574_write(handle, 0x30);
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LCD_160X_PULSE;
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zh_pcf8574_write(handle, 0x30);
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LCD_160X_PULSE;
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zh_pcf8574_write(handle, 0x20);
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LCD_160X_PULSE;
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_zh_160x_send_command(handle, 0x28);
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_zh_160x_send_command(handle, 0x28);
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_zh_160x_send_command(handle, 0x28);
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_zh_160x_send_command(handle, 0x0C);
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_zh_160x_send_command(handle, 0x01);
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_zh_160x_send_command(handle, 0x06);
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}
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static void _zh_160x_send_command(zh_pcf8574_handle_t *handle, uint8_t command)
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{
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zh_pcf8574_write(handle, (command & 0xF0) | 0x08);
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LCD_160X_PULSE;
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zh_pcf8574_write(handle, (command << 4) | 0x08);
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LCD_160X_PULSE;
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}
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static void _zh_160x_send_data(zh_pcf8574_handle_t *handle, uint8_t data)
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{
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zh_pcf8574_write(handle, (data & 0xF0) | 0x09);
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LCD_160X_PULSE;
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zh_pcf8574_write(handle, (data << 4) | 0x09);
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LCD_160X_PULSE;
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}
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