alexey.zholtikov/zh_160x_i2c
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fix: backlighting not on

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Alexey Zholtikov 2025-05-25 08:45:30 +03:00
parent eee073c742
commit 68ee6431fc
2 changed files with 5 additions and 5 deletions
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2
version.txt
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@ -1 +1 @@
1.0.1 1.0.2

8
zh_1602a_i2c.c
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@ -156,16 +156,16 @@ static void _zh_1602a_lcd_init(zh_pcf8574_handle_t *handle)
static void _zh_1602a_send_command(zh_pcf8574_handle_t *handle, uint8_t command) static void _zh_1602a_send_command(zh_pcf8574_handle_t *handle, uint8_t command)
{ {
zh_pcf8574_write(handle, (command & 0xF0)); zh_pcf8574_write(handle, (command & 0xF0) | 0x08);
LCD_1602A_PULSE; LCD_1602A_PULSE;
zh_pcf8574_write(handle, command << 4); zh_pcf8574_write(handle, (command << 4) | 0x08);
LCD_1602A_PULSE; LCD_1602A_PULSE;
} }
static void _zh_1602a_send_data(zh_pcf8574_handle_t *handle, uint8_t data) static void _zh_1602a_send_data(zh_pcf8574_handle_t *handle, uint8_t data)
{ {
zh_pcf8574_write(handle, (data & 0xF0) | 0x01); zh_pcf8574_write(handle, (data & 0xF0) | 0x09);
LCD_1602A_PULSE; LCD_1602A_PULSE;
zh_pcf8574_write(handle, (data << 4) | 0x01); zh_pcf8574_write(handle, (data << 4) | 0x09);
LCD_1602A_PULSE; LCD_1602A_PULSE;
} }