void hd44780fw_write_len(struct hd44780fw_conf* conf, const char* msg,
uint8_t msg_len, uint8_t index, uint8_t cb) {
uint8_t up_len = 0, i;
/* Disable blink while appending chars: */
const uint8_t blink_en_bkup = conf->blink_en;
const uint8_t cur_en_bkup = conf->cur_en;
hd44780fw_en_blink(conf, HD44780_L_DISP_B_OFF);
hd44780fw_en_cursor(conf, HD44780_L_DISP_C_OFF);
/* Frequently used constants: */
const uint8_t line1_base_addr = conf->low_conf->line1_base_addr;
const uint8_t line2_base_addr = conf->low_conf->line2_base_addr;
const uint8_t total_chars = conf->total_chars;
const uint8_t half_chars = conf->half_chars;
if (cb) {
hd44780fw_clear(conf);
}
if (index >= total_chars || total_chars - index < msg_len) {
return;
}
if (index < half_chars) {
if (msg_len + index < line1_base_addr + half_chars) {
up_len = msg_len;
} else {
up_len = half_chars - index;
}
hd44780_l_set_ddram_addr(conf->low_conf, index + line1_base_addr);
for (i = 0; i < up_len; ++i) {
hd44780_l_write(conf->low_conf, msg[i]);
}
hd44780_l_set_ddram_addr(conf->low_conf, line2_base_addr);
for (i = up_len; i < msg_len; ++i) {
hd44780_l_write(conf->low_conf, msg[i]);
}
} else {
hd44780_l_set_ddram_addr(conf->low_conf,
index + line2_base_addr - half_chars);
for (i = 0; i < msg_len; ++i) {
hd44780_l_write(conf->low_conf, msg[i]);
}
}
/* Enable last blink/cursor state: */
hd44780fw_set_bc_index(conf, conf->last_bc_index);
hd44780fw_en_blink(conf, blink_en_bkup);
hd44780fw_en_cursor(conf, cur_en_bkup);
/* Fix v. cursor: */
conf->last_index = index + msg_len;
}
void hd44780fw_build_cc(struct hd44780fw_conf* conf, uint8_t index,
const uint8_t* rows) {
uint8_t i;
uint8_t mult = (conf->font == HD44780_L_FS_F_58 ? 8 : 10);
if (conf->font == HD44780_L_FS_F_510) {
return; /* Not yet implemented */
}
if (index > 7) {
return;
}
hd44780_l_set_cgram_addr(conf->low_conf, index * mult);
for (i = 0; i < mult; ++i) {
hd44780_l_write(conf->low_conf, rows[i]); /* Write cur. row */
}
}
/*
Prints the entire RFID tag on the display.
*/
void printOnLCD(_Bool shipment){ //Eventuellt göra generisk om vi vill skicka in andra värden än cargo
hd44780_l_clear_disp(&low_conf);
if (shipment == 1)
{
hd44780_l_write(&low_conf, 0x52); //R
hd44780_l_write(&low_conf, 0x46); //F
hd44780_l_write(&low_conf, 0x49); //I
hd44780_l_write(&low_conf, 0x44); //D
hd44780_l_write(&low_conf, 0x3A); //:
for(int i = 1; i<11; i++) //Prints the tag's ID bytes.
{
hd44780_l_write(&low_conf, cargo[i]);
}
}
else
{
hd44780_l_write(&low_conf, 0x4E); //N
hd44780_l_write(&low_conf, 0x4F); //O
hd44780_l_write(&low_conf, 0x20); //_
hd44780_l_write(&low_conf, 0x43); //C
hd44780_l_write(&low_conf, 0x41); //A
hd44780_l_write(&low_conf, 0x52); //R
hd44780_l_write(&low_conf, 0x47); //G
hd44780_l_write(&low_conf, 0x4F); //O
}
}
int main(void)
{
DDRA = 0xFF;
DDRD = (1 << DDD5)|(1 << DDD6)|(1 << DDD7);
struct hd44780_l_conf low_conf;
low_conf.rs_i = 5;
low_conf.rw_i = 6;
low_conf.en_i = 7;
low_conf.db7_i = 7;
low_conf.db6_i = 6;
low_conf.db5_i = 5;
low_conf.db4_i = 4;
low_conf.db3_i = 3;
low_conf.db2_i = 2;
low_conf.db1_i = 1;
low_conf.db0_i = 0;
low_conf.rs_port = &PORTD;
low_conf.rw_port = &PORTD;
low_conf.en_port = &PORTD;
low_conf.db7_port = &PORTA;
low_conf.db6_port = &PORTA;
low_conf.db5_port = &PORTA;
low_conf.db4_port = &PORTA;
low_conf.db3_port = &PORTA;
low_conf.db2_port = &PORTA;
low_conf.db1_port = &PORTA;
low_conf.db0_port = &PORTA;
low_conf.line1_base_addr = 0x00;
low_conf.line2_base_addr = 0x40;
low_conf.dl = HD44780_L_FS_DL_8BIT;
hd44780_l_init(&low_conf, HD44780_L_FS_N_DUAL, HD44780_L_FS_F_58, HD44780_L_EMS_ID_INC, HD44780_L_EMS_S_OFF);
hd44780_l_disp(&low_conf, HD44780_L_DISP_D_ON, HD44780_L_DISP_C_ON, HD44780_L_DISP_B_ON);
//0x42 0x4f 0x4f 0x42 0x49 0x45 0x53
hd44780_l_write(&low_conf, 0x42);
hd44780_l_write(&low_conf, 0x4f);
hd44780_l_write(&low_conf, 0x4f);
hd44780_l_write(&low_conf, 0x42);
hd44780_l_write(&low_conf, 0x49);
hd44780_l_write(&low_conf, 0x45);
hd44780_l_write(&low_conf, 0x53);
hd44780_l_write(&low_conf, 0x42);
hd44780_l_write(&low_conf, 0x4f);
hd44780_l_write(&low_conf, 0x4f);
hd44780_l_write(&low_conf, 0x42);
hd44780_l_write(&low_conf, 0x49);
hd44780_l_write(&low_conf, 0x45);
hd44780_l_write(&low_conf, 0x53);
while(1)
{
//TODO:: Please write your application code
}
}
