universal_drivers/hd44780u_driver
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test

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This commit is contained in:
Christian L. V. Madsen
2024-08-17 13:42:12 +02:00
parent 75e645eebf
commit 7b66af9006
2 changed files with 38 additions and 10 deletions
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40
lcd_hd44780.c
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@@ -20,7 +20,7 @@ void lcd_hd44780_printf(lcd_hd44780_t *inst, char *string){
}*/ }*/
static void lcd_writeCmd_disp(lcd_hd44780_t *inst, hd44780_cmd_t cmd, hd44780_setGet_t getSet){ static void lcd_writeCmd_disp(cm_lcd_hd44780_t *inst, hd44780_cmd_t cmd, hd44780_setGet_t getSet){
inst->gpio_data.data_bus = cmd; inst->gpio_data.data_bus = cmd;
@@ -48,7 +48,7 @@ static void lcd_writeCmd_disp(lcd_hd44780_t *inst, hd44780_cmd_t cmd, hd44780_se
} }
void lcd_hd44780_initDisp(lcd_hd44780_t *inst){ void lcd_hd44780_initDisp_8bit(cm_lcd_hd44780_t *inst){
// Wait for more than 15ms after VCC rise.. // Wait for more than 15ms after VCC rise..
// Delay(15) // Delay(15)
@@ -67,14 +67,29 @@ void lcd_hd44780_initDisp(lcd_hd44780_t *inst){
} }
void lcd_hd44780_regGpioEvt(lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt){ void lcd_hd44780_initDisp_4bit(cm_lcd_hd44780_t *inst){
// Wait for more than 15ms after VCC rise..
// Delay(15)
lcd_writeCmd_disp(inst, LCD_HD44780_FUNCTION_SET >> 4,LCD_HD44780_SET);
// Delay(4)
lcd_writeCmd_disp(inst, LCD_HD44780_FUNCTION_SET >> 4,LCD_HD44780_SET);
// Delay(4)
lcd_writeCmd_disp(inst, LCD_HD44780_FUNCTION_SET >> 4,LCD_HD44780_SET);
}
void lcd_hd44780_regGpioEvt(cm_lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt){
//if(inst == NULL)return; //if(inst == NULL)return;
inst->setGetGpio_event = getGpioEvt_fpt; inst->setGetGpio_event = getGpioEvt_fpt;
} }
void lcd_hd44780_regWaitEvt(lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt){ void lcd_hd44780_regWaitEvt(cm_lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt){
//if(inst == NULL)return; //if(inst == NULL)return;
@@ -82,7 +97,7 @@ void lcd_hd44780_regWaitEvt(lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt){
} }
void lcd_hd44780_init(lcd_hd44780_t *inst, lcd_hd44780_bitmode bit_mode){ void lcd_hd44780_init(cm_lcd_hd44780_t *inst, lcd_hd44780_bitmode bit_mode){
//inst->gpio_data = 0x00; //inst->gpio_data = 0x00;
inst->bit_mode = bit_mode; inst->bit_mode = bit_mode;
@@ -94,10 +109,23 @@ void lcd_hd44780_init(lcd_hd44780_t *inst, lcd_hd44780_bitmode bit_mode){
inst->setGetGpio_event(&(inst->gpio_data), 1);*/ inst->setGetGpio_event(&(inst->gpio_data), 1);*/
lcd_hd44780_initDisp(inst); //lcd_hd44780_initDisp(inst);
//lcd_writeCmd_disp(inst,LCD_HD44780_CLEAR_DISP,LCD_HD44780_SET); //lcd_writeCmd_disp(inst,LCD_HD44780_CLEAR_DISP,LCD_HD44780_SET);
//lcd_writeCmd_disp(inst,LCD_HD44780_DISP_ONOFF_CTL,LCD_HD44780_SET); //lcd_writeCmd_disp(inst,LCD_HD44780_DISP_ONOFF_CTL,LCD_HD44780_SET);
switch (inst->bit_mode) {
case LCD_BITMODE_8BIT:
lcd_hd44780_initDisp_8bit(inst);
break;
case LCD_BITMODE_4BIT:
break;
default:
break;
}
return; return;
} }

8
lcd_hd44780.h
View File

@@ -62,11 +62,11 @@ typedef struct{
hd44780_gpioset_t gpio_data; hd44780_gpioset_t gpio_data;
}lcd_hd44780_t; }cm_lcd_hd44780_t;
void lcd_hd44780_init(lcd_hd44780_t *inst,lcd_hd44780_bitmode bit_mode); void lcd_hd44780_init(cm_lcd_hd44780_t *inst,lcd_hd44780_bitmode bit_mode);
void lcd_hd44780_regGpioEvt(lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt); void lcd_hd44780_regGpioEvt(cm_lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt);
void lcd_hd44780_regWaitEvt(lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt); void lcd_hd44780_regWaitEvt(cm_lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt);
#endif /*LCD_HD44780_H_*/ #endif /*LCD_HD44780_H_*/