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109 | #include <stdio.h>
#include "boards.h"
#include "app_util_platform.h"
#include "app_error.h"
#include "nrf_drv_twi.h"
#include "nrf_delay.h"
#define NRF_LOG_MODULE_NAME "FaBo_LCDMini"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#define TWI_INSTANCE_ID 0
#define AQM0802A_ADDRESS 0x3E
#define CONTRAST 0x25
/* TWI instance. */
static const nrf_drv_twi_t m_twi = NRF_DRV_TWI_INSTANCE(TWI_INSTANCE_ID);
void command(uint8_t c)
{
ret_code_t err_code;
uint8_t reg[2] = {0x00, c};
err_code = nrf_drv_twi_tx(&m_twi, AQM0802A_ADDRESS, reg, sizeof(reg), false);
APP_ERROR_CHECK(err_code);
nrf_delay_ms(30);
}
void send(uint8_t d)
{
ret_code_t err_code;
uint8_t reg[2] = {0x40, d};
err_code = nrf_drv_twi_tx(&m_twi, AQM0802A_ADDRESS, reg, sizeof(reg), false);
APP_ERROR_CHECK(err_code);
nrf_delay_ms(30);
}
void lcdprint(char* c)
{
while(*c != 0){
send(*c++);
}
}
void set_cursor(uint8_t column,uint8_t row){
switch(row){
case 0:
command(column+0x80);
break;
case 1:
command(column+0xc0);
break;
default:
break;
}
}
void lcd_begin(void)
{
nrf_delay_ms(30);
command(0x38);
command(0x39);
command(0x14);
command(0x70);
command(0x56);
command(0x6B);
nrf_delay_ms(30);
command(0x39);
command(0x0C);
command(0x01);
nrf_delay_ms(30);
}
void twi_handler(nrf_drv_twi_evt_t const * p_event, void * p_context)
{
}
void twi_init (void)
{
ret_code_t err_code;
const nrf_drv_twi_config_t twi_LCD_Mini_config = {
.scl = 27,
.sda = 26,
.frequency = NRF_TWI_FREQ_100K,
.interrupt_priority = APP_IRQ_PRIORITY_HIGH,
.clear_bus_init = false
};
err_code = nrf_drv_twi_init(&m_twi, &twi_LCD_Mini_config, twi_handler, NULL);
APP_ERROR_CHECK(err_code);
nrf_drv_twi_enable(&m_twi);
}
int main(void)
{
APP_ERROR_CHECK(NRF_LOG_INIT(NULL));
NRF_LOG_INFO("\r\nFabo LCDMini_213\r\n");
NRF_LOG_FLUSH();
twi_init();
lcd_begin();
set_cursor(0,0);
lcdprint("Fabo");
set_cursor(0,1);
lcdprint("Shinobi");
nrf_delay_ms(500);
while (true)
{
NRF_LOG_FLUSH();
}
}
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