zephyr/drivers/display/display_ili9340.c

85 lines
2.0 KiB
C

/*
* Copyright (c) 2020 Teslabs Engineering S.L.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "display_ili9340.h"
#include "display_ili9xxx.h"
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(display_ili9340, CONFIG_DISPLAY_LOG_LEVEL);
int ili9340_regs_init(const struct device *dev)
{
const struct ili9xxx_config *config = dev->config;
const struct ili9340_regs *regs = config->regs;
int r;
LOG_HEXDUMP_DBG(regs->gamset, ILI9340_GAMSET_LEN, "GAMSET");
r = ili9xxx_transmit(dev, ILI9340_GAMSET, regs->gamset,
ILI9340_GAMSET_LEN);
if (r < 0) {
return r;
}
LOG_HEXDUMP_DBG(regs->frmctr1, ILI9340_FRMCTR1_LEN, "FRMCTR1");
r = ili9xxx_transmit(dev, ILI9340_FRMCTR1, regs->frmctr1,
ILI9340_FRMCTR1_LEN);
if (r < 0) {
return r;
}
LOG_HEXDUMP_DBG(regs->disctrl, ILI9340_DISCTRL_LEN, "DISCTRL");
r = ili9xxx_transmit(dev, ILI9340_DISCTRL, regs->disctrl,
ILI9340_DISCTRL_LEN);
if (r < 0) {
return r;
}
LOG_HEXDUMP_DBG(regs->pwctrl1, ILI9340_PWCTRL1_LEN, "PWCTRL1");
r = ili9xxx_transmit(dev, ILI9340_PWCTRL1, regs->pwctrl1,
ILI9340_PWCTRL1_LEN);
if (r < 0) {
return r;
}
LOG_HEXDUMP_DBG(regs->pwctrl2, ILI9340_PWCTRL2_LEN, "PWCTRL2");
r = ili9xxx_transmit(dev, ILI9340_PWCTRL2, regs->pwctrl2,
ILI9340_PWCTRL2_LEN);
if (r < 0) {
return r;
}
LOG_HEXDUMP_DBG(regs->vmctrl1, ILI9340_VMCTRL1_LEN, "VMCTRL1");
r = ili9xxx_transmit(dev, ILI9340_VMCTRL1, regs->vmctrl1,
ILI9340_VMCTRL1_LEN);
if (r < 0) {
return r;
}
LOG_HEXDUMP_DBG(regs->vmctrl2, ILI9340_VMCTRL2_LEN, "VMCTRL2");
r = ili9xxx_transmit(dev, ILI9340_VMCTRL2, regs->vmctrl2,
ILI9340_VMCTRL2_LEN);
if (r < 0) {
return r;
}
LOG_HEXDUMP_DBG(regs->pgamctrl, ILI9340_PGAMCTRL_LEN, "PGAMCTRL");
r = ili9xxx_transmit(dev, ILI9340_PGAMCTRL, regs->pgamctrl,
ILI9340_PGAMCTRL_LEN);
if (r < 0) {
return r;
}
LOG_HEXDUMP_DBG(regs->ngamctrl, ILI9340_NGAMCTRL_LEN, "NGAMCTRL");
r = ili9xxx_transmit(dev, ILI9340_NGAMCTRL, regs->ngamctrl,
ILI9340_NGAMCTRL_LEN);
if (r < 0) {
return r;
}
return 0;
}