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;
@@ -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..
// 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;
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;
@@ -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->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);*/
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_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;
}