140 lines
4.9 KiB
C
140 lines
4.9 KiB
C
#include "zh_avr_160x_i2c.h"
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#define LCD_160X_PULSE \
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zh_avr_pcf8574_write_gpio(handle, 2, true); \
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_delay_us(300); \
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zh_avr_pcf8574_write_gpio(handle, 2, false); \
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_delay_us(400);
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static void _zh_avr_160x_lcd_init(zh_avr_pcf8574_handle_t *handle);
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static void _zh_avr_160x_send_command(zh_avr_pcf8574_handle_t *handle, uint8_t command);
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static void _zh_avr_160x_send_data(zh_avr_pcf8574_handle_t *handle, uint8_t data);
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avr_err_t zh_avr_160x_init(zh_avr_pcf8574_handle_t *handle, bool size)
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{
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ZH_ERROR_CHECK(handle != NULL, AVR_ERR_INVALID_ARG);
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ZH_ERROR_CHECK(handle->is_initialized == true, AVR_ERR_INVALID_STATE);
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handle->system = pvPortCalloc(1, sizeof(uint8_t));
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ZH_ERROR_CHECK(handle->system != NULL, AVR_ERR_INVALID_ARG);
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*(uint8_t *)handle->system = size;
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_zh_avr_160x_lcd_init(handle);
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return AVR_OK;
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}
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avr_err_t zh_avr_160x_lcd_clear(zh_avr_pcf8574_handle_t *handle)
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{
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ZH_ERROR_CHECK(handle != NULL, AVR_ERR_INVALID_ARG);
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ZH_ERROR_CHECK(handle->is_initialized == true, AVR_ERR_INVALID_STATE);
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_zh_avr_160x_send_command(handle, 0x01);
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return AVR_OK;
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}
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avr_err_t zh_avr_160x_set_cursor(zh_avr_pcf8574_handle_t *handle, uint8_t row, uint8_t col)
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{
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ZH_ERROR_CHECK(row < ((*(uint8_t *)handle->system == ZH_LCD_16X2) ? 2 : 4) && col < 16 && handle != NULL, AVR_ERR_INVALID_ARG);
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ZH_ERROR_CHECK(handle->is_initialized == true, AVR_ERR_INVALID_STATE);
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_zh_avr_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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return AVR_OK;
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}
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avr_err_t zh_avr_160x_print_char(zh_avr_pcf8574_handle_t *handle, const char *str)
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{
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ZH_ERROR_CHECK(str != NULL && handle != NULL, AVR_ERR_INVALID_ARG);
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ZH_ERROR_CHECK(handle->is_initialized == true, AVR_ERR_INVALID_STATE);
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while (*str != 0)
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{
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_zh_avr_160x_send_data(handle, (uint8_t)*str++);
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}
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return AVR_OK;
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}
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avr_err_t zh_avr_160x_print_int(zh_avr_pcf8574_handle_t *handle, int num)
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{
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ZH_ERROR_CHECK(handle != NULL, AVR_ERR_INVALID_ARG);
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ZH_ERROR_CHECK(handle->is_initialized == true, AVR_ERR_INVALID_STATE);
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char buffer[12];
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sprintf(buffer, "%d", num);
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zh_avr_160x_print_char(handle, buffer);
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return AVR_OK;
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}
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avr_err_t zh_avr_160x_print_float(zh_avr_pcf8574_handle_t *handle, float num, uint8_t precision)
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{
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ZH_ERROR_CHECK(handle != NULL, AVR_ERR_INVALID_ARG);
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ZH_ERROR_CHECK(handle->is_initialized == true, AVR_ERR_INVALID_STATE);
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char buffer[16];
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sprintf(buffer, "%.*f", precision, num);
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zh_avr_160x_print_char(handle, buffer);
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return AVR_OK;
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}
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avr_err_t zh_avr_160x_print_progress_bar(zh_avr_pcf8574_handle_t *handle, uint8_t row, uint8_t progress)
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{
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ZH_ERROR_CHECK(row < ((*(uint8_t *)handle->system == ZH_LCD_16X2) ? 2 : 4) && progress <= 100 && handle != NULL, AVR_ERR_INVALID_ARG);
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ZH_ERROR_CHECK(handle->is_initialized == true, AVR_ERR_INVALID_STATE);
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uint8_t blocks = (progress * 16) / 100;
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zh_avr_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_avr_160x_print_char(handle, "\xFF");
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}
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else
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{
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zh_avr_160x_print_char(handle, " ");
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}
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}
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return AVR_OK;
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}
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avr_err_t zh_avr_160x_clear_row(zh_avr_pcf8574_handle_t *handle, uint8_t row)
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{
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ZH_ERROR_CHECK(row < ((*(uint8_t *)handle->system == ZH_LCD_16X2) ? 2 : 4) && handle != NULL, AVR_ERR_INVALID_ARG);
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ZH_ERROR_CHECK(handle->is_initialized == true, AVR_ERR_INVALID_STATE);
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zh_avr_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_avr_160x_print_char(handle, " ");
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}
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zh_avr_160x_set_cursor(handle, row, 0);
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return AVR_OK;
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}
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static void _zh_avr_160x_lcd_init(zh_avr_pcf8574_handle_t *handle)
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{
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vTaskDelay(20 / portTICK_PERIOD_MS);
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zh_avr_pcf8574_write(handle, 0x30);
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LCD_160X_PULSE;
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zh_avr_pcf8574_write(handle, 0x30);
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LCD_160X_PULSE;
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zh_avr_pcf8574_write(handle, 0x30);
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LCD_160X_PULSE;
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zh_avr_pcf8574_write(handle, 0x20);
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LCD_160X_PULSE;
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_zh_avr_160x_send_command(handle, 0x28);
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_zh_avr_160x_send_command(handle, 0x28);
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_zh_avr_160x_send_command(handle, 0x28);
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_zh_avr_160x_send_command(handle, 0x0C);
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_zh_avr_160x_send_command(handle, 0x01);
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_zh_avr_160x_send_command(handle, 0x06);
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}
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static void _zh_avr_160x_send_command(zh_avr_pcf8574_handle_t *handle, uint8_t command)
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{
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zh_avr_pcf8574_write(handle, (command & 0xF0) | 0x08);
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LCD_160X_PULSE;
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zh_avr_pcf8574_write(handle, (command << 4) | 0x08);
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LCD_160X_PULSE;
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}
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static void _zh_avr_160x_send_data(zh_avr_pcf8574_handle_t *handle, uint8_t data)
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{
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zh_avr_pcf8574_write(handle, (data & 0xF0) | 0x09);
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LCD_160X_PULSE;
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zh_avr_pcf8574_write(handle, (data << 4) | 0x09);
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LCD_160X_PULSE;
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}
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