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/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file lcd3310.c
* @brief Nokia 3310 LCD interface module through SPI code.
*
* @addtogroup lcd3310
* @{
*/
#include "ch.h"
#include "hal.h"
#include "lcd3310.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
const uint8_t Fonts8x5 [][LCD3310_FONT_X_SIZE] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00 }, /* space */
{ 0x00, 0x00, 0x2f, 0x00, 0x00 }, /* ! */
{ 0x00, 0x07, 0x00, 0x07, 0x00 }, /* " */
{ 0x14, 0x7f, 0x14, 0x7f, 0x14 }, /* # */
{ 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, /* $ */
{ 0xc4, 0xc8, 0x10, 0x26, 0x46 }, /* % */
{ 0x36, 0x49, 0x55, 0x22, 0x50 }, /* & */
{ 0x00, 0x05, 0x03, 0x00, 0x00 }, /* ' */
{ 0x00, 0x1c, 0x22, 0x41, 0x00 }, /* ( */
{ 0x00, 0x41, 0x22, 0x1c, 0x00 }, /* ) */
{ 0x14, 0x08, 0x3E, 0x08, 0x14 }, /* * */
{ 0x08, 0x08, 0x3E, 0x08, 0x08 }, /* + */
{ 0x00, 0x00, 0x50, 0x30, 0x00 }, /* , */
{ 0x10, 0x10, 0x10, 0x10, 0x10 }, /* - */
{ 0x00, 0x60, 0x60, 0x00, 0x00 }, /* . */
{ 0x20, 0x10, 0x08, 0x04, 0x02 }, /* / */
{ 0x3E, 0x51, 0x49, 0x45, 0x3E }, /* 0 */
{ 0x00, 0x42, 0x7F, 0x40, 0x00 }, /* 1 */
{ 0x42, 0x61, 0x51, 0x49, 0x46 }, /* 2 */
{ 0x21, 0x41, 0x45, 0x4B, 0x31 }, /* 3 */
{ 0x18, 0x14, 0x12, 0x7F, 0x10 }, /* 4 */
{ 0x27, 0x45, 0x45, 0x45, 0x39 }, /* 5 */
{ 0x3C, 0x4A, 0x49, 0x49, 0x30 }, /* 6 */
{ 0x01, 0x71, 0x09, 0x05, 0x03 }, /* 7 */
{ 0x36, 0x49, 0x49, 0x49, 0x36 }, /* 8 */
{ 0x06, 0x49, 0x49, 0x29, 0x1E }, /* 9 */
{ 0x00, 0x36, 0x36, 0x00, 0x00 }, /* : */
{ 0x00, 0x56, 0x36, 0x00, 0x00 }, /* ; */
{ 0x08, 0x14, 0x22, 0x41, 0x00 }, /* < */
{ 0x14, 0x14, 0x14, 0x14, 0x14 }, /* = */
{ 0x00, 0x41, 0x22, 0x14, 0x08 }, /* > */
{ 0x02, 0x01, 0x51, 0x09, 0x06 }, /* ? */
{ 0x32, 0x49, 0x59, 0x51, 0x3E }, /* @ */
{ 0x7E, 0x11, 0x11, 0x11, 0x7E }, /* A */
{ 0x7F, 0x49, 0x49, 0x49, 0x36 }, /* B */
{ 0x3E, 0x41, 0x41, 0x41, 0x22 }, /* C */
{ 0x7F, 0x41, 0x41, 0x22, 0x1C }, /* D */
{ 0x7F, 0x49, 0x49, 0x49, 0x41 }, /* E */
{ 0x7F, 0x09, 0x09, 0x09, 0x01 }, /* F */
{ 0x3E, 0x41, 0x49, 0x49, 0x7A }, /* G */
{ 0x7F, 0x08, 0x08, 0x08, 0x7F }, /* H */
{ 0x00, 0x41, 0x7F, 0x41, 0x00 }, /* I */
{ 0x20, 0x40, 0x41, 0x3F, 0x01 }, /* J */
{ 0x7F, 0x08, 0x14, 0x22, 0x41 }, /* K */
{ 0x7F, 0x40, 0x40, 0x40, 0x40 }, /* L */
{ 0x7F, 0x02, 0x0C, 0x02, 0x7F }, /* M */
{ 0x7F, 0x04, 0x08, 0x10, 0x7F }, /* N */
{ 0x3E, 0x41, 0x41, 0x41, 0x3E }, /* O */
{ 0x7F, 0x09, 0x09, 0x09, 0x06 }, /* P */
{ 0x3E, 0x41, 0x51, 0x21, 0x5E }, /* Q */
{ 0x7F, 0x09, 0x19, 0x29, 0x46 }, /* R */
{ 0x46, 0x49, 0x49, 0x49, 0x31 }, /* S */
{ 0x01, 0x01, 0x7F, 0x01, 0x01 }, /* T */
{ 0x3F, 0x40, 0x40, 0x40, 0x3F }, /* U */
{ 0x1F, 0x20, 0x40, 0x20, 0x1F }, /* V */
{ 0x3F, 0x40, 0x38, 0x40, 0x3F }, /* W */
{ 0x63, 0x14, 0x08, 0x14, 0x63 }, /* X */
{ 0x07, 0x08, 0x70, 0x08, 0x07 }, /* Y */
{ 0x61, 0x51, 0x49, 0x45, 0x43 }, /* Z */
{ 0x00, 0x7F, 0x41, 0x41, 0x00 }, /* [ */
{ 0x55, 0x2A, 0x55, 0x2A, 0x55 }, /* \ */
{ 0x00, 0x41, 0x41, 0x7F, 0x00 }, /* ] */
{ 0x04, 0x02, 0x01, 0x02, 0x04 }, /* ^ */
{ 0x40, 0x40, 0x40, 0x40, 0x40 }, /* _ */
{ 0x00, 0x01, 0x02, 0x04, 0x00 }, /* ' */
{ 0x20, 0x54, 0x54, 0x54, 0x78 }, /* a */
{ 0x7F, 0x48, 0x44, 0x44, 0x38 }, /* b */
{ 0x38, 0x44, 0x44, 0x44, 0x20 }, /* c */
{ 0x38, 0x44, 0x44, 0x48, 0x7F }, /* d */
{ 0x38, 0x54, 0x54, 0x54, 0x18 }, /* e */
{ 0x08, 0x7E, 0x09, 0x01, 0x02 }, /* f */
{ 0x0C, 0x52, 0x52, 0x52, 0x3E }, /* g */
{ 0x7F, 0x08, 0x04, 0x04, 0x78 }, /* h */
{ 0x00, 0x44, 0x7D, 0x40, 0x00 }, /* i */
{ 0x20, 0x40, 0x44, 0x3D, 0x00 }, /* j */
{ 0x7F, 0x10, 0x28, 0x44, 0x00 }, /* k */
{ 0x00, 0x41, 0x7F, 0x40, 0x00 }, /* l */
{ 0x7C, 0x04, 0x18, 0x04, 0x78 }, /* m */
{ 0x7C, 0x08, 0x04, 0x04, 0x78 }, /* n */
{ 0x38, 0x44, 0x44, 0x44, 0x38 }, /* o */
{ 0x7C, 0x14, 0x14, 0x14, 0x08 }, /* p */
{ 0x08, 0x14, 0x14, 0x18, 0x7C }, /* q */
{ 0x7C, 0x08, 0x04, 0x04, 0x08 }, /* r */
{ 0x48, 0x54, 0x54, 0x54, 0x20 }, /* s */
{ 0x04, 0x3F, 0x44, 0x40, 0x20 }, /* t */
{ 0x3C, 0x40, 0x40, 0x20, 0x7C }, /* u */
{ 0x1C, 0x20, 0x40, 0x20, 0x1C }, /* v */
{ 0x3C, 0x40, 0x30, 0x40, 0x3C }, /* w */
{ 0x44, 0x28, 0x10, 0x28, 0x44 }, /* x */
{ 0x0C, 0x50, 0x50, 0x50, 0x3C }, /* y */
{ 0x44, 0x64, 0x54, 0x4C, 0x44 }, /* z */
{ 0x00, 0x08, 0x36, 0x41, 0x00 }, /* { */
{ 0x00, 0x00, 0x7F, 0x00, 0x00 }, /* | */
{ 0x00, 0x41, 0x36, 0x08, 0x00 }, /* } */
};
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief LCD driver initialization.
* @pre The SPI interface must be initialized and the driver started.
*
* @param[in] spip pointer to the SPI interface
*
*/
void lcd3310Init(SPIDriver *spip) {
/* Reset LCD */
palClearPad(LCD3310_RES_PORT, LCD3310_RES_PIN);
chThdSleepMilliseconds(15);
palSetPad(LCD3310_RES_PORT, LCD3310_RES_PIN);
chThdSleepMilliseconds(15);
/* Send configuration commands to LCD */
lcd3310WriteByte(spip, 0x21, LCD3310_SEND_CMD); /* LCD extended commands */
lcd3310WriteByte(spip, 0xC8, LCD3310_SEND_CMD); /* Set LCD Vop (Contrast) */
lcd3310WriteByte(spip, 0x05, LCD3310_SEND_CMD); /* Set start line S6 to 1 TLS8204 */
lcd3310WriteByte(spip, 0x40, LCD3310_SEND_CMD); /* Set start line S[5:0] to 0x00 TLS8204 */
lcd3310WriteByte(spip, 0x12, LCD3310_SEND_CMD); /* LCD bias mode 1:68. */
lcd3310WriteByte(spip, 0x20, LCD3310_SEND_CMD); /* LCD standard Commands, horizontal addressing mode. */
lcd3310WriteByte(spip, 0x08, LCD3310_SEND_CMD); /* LCD blank */
lcd3310WriteByte(spip, 0x0C, LCD3310_SEND_CMD); /* LCD in normal mode. */
lcd3310Clear(spip); /* Clear LCD */
}
/**
* @brief Write byte to LCD driver.
* @pre The LCD driver must be initialized.
*
* @param[in] spip pointer to the SPI interface
* @param[in] data data to write
* @param[in] cd select between command or data
*/
void lcd3310WriteByte(SPIDriver *spip, uint8_t data, uint8_t cd) {
spiSelect(spip);
if(cd == LCD3310_SEND_DATA) {
palSetPad(LCD3310_DC_PORT, LCD3310_DC_PIN);
}
else {
palClearPad(LCD3310_DC_PORT, LCD3310_DC_PIN);
}
spiSend(spip, 1, &data); // change to normal spi send
spiUnselect(spip);
}
/**
* @brief Clear LCD
* @pre The LCD driver must be initialized.
*
* @param[in] spip pointer to the SPI interface
*/
void lcd3310Clear(SPIDriver *spip) { // ok
uint32_t i, j;
for (i = 0; i < LCD3310_Y_RES/LCD3310_FONT_Y_SIZE; i++) {
lcd3310SetPosXY(spip, 0, i);
for (j = 0; j < LCD3310_X_RES; j++)
lcd3310WriteByte(spip, 0x00, LCD3310_SEND_DATA);
}
}
/**
* @brief Set position
* @pre The LCD driver must be initialized.
*
* @param[in] spip pointer to the SPI interface
* @param[in] x column address in LCD DDRAM, 0 to 83
* @param[in] y page address in LCD DDRAM, 0 to 5
*/
void lcd3310SetPosXY(SPIDriver *spip, uint8_t x, uint8_t y) {
if (y > LCD3310_Y_RES/LCD3310_FONT_Y_SIZE) return;
if (x > LCD3310_X_RES) return;
lcd3310WriteByte(spip, 0x80 | x, LCD3310_SEND_CMD); /* Set x position */
lcd3310WriteByte(spip, 0x40 | y, LCD3310_SEND_CMD); /* Set y position */
}
/**
* @brief Write char
* @pre The LCD driver must be initialized.
*
* @param[in] spip pointer to the SPI interface
* @param[in] ch char
*/
void lcd3310WriteChar(SPIDriver *spip, uint8_t ch) {
uint8_t i;
for ( i = 0; i < LCD3310_FONT_X_SIZE; i++ ){
lcd3310WriteByte(spip, Fonts8x5[ch - 32][i], LCD3310_SEND_DATA);
}
}
/**
* @brief Set LCD contrast.
* @pre The LCD driver must be initialized.
*
* @param[in] spip pointer to the SPI interface
* @param[in] contrast LCD contrast value
*/
void lcd3310Contrast (SPIDriver *spip, uint8_t contrast) {
lcd3310WriteByte(spip, 0x21, LCD3310_SEND_CMD); /* LCD Extended Commands */
lcd3310WriteByte(spip, 0x80 | contrast, LCD3310_SEND_CMD); /* Set LCD Vop (Contrast) */
lcd3310WriteByte(spip, 0x20, LCD3310_SEND_CMD); /* LCD Standard Commands, horizontal addressing mode */
}
/**
* @brief Write text
* @pre The LCD driver must be initialized.
*
* @param[in] spip pointer to the SPI interface
* @param[in] strp pointer to text
*/
void lcd3310WriteText(SPIDriver *spip, const uint8_t * strp) {
while ( *strp ) {
lcd3310WriteChar(spip, *strp);
strp++;
}
}
/**
* @brief Rotate text
* @pre The LCD driver must be initialized.
*
* @param[in] spip pointer to the SPI interface
* @param[in] strp pointer to text
* @param[in] offset text offset
*/
void lcd3310RotateText(SPIDriver *spip, const uint8_t * strp, uint8_t offset) {
uint8_t i;
uint8_t n;
uint8_t m;
for(n = 0; strp[n] != '\0'; n++); /* Count number of char */
if (offset >= n)
return;
for (i = 0; i < LCD3310_X_RES/LCD3310_FONT_X_SIZE; i++) {
m = i + offset;
if ( m < n)
lcd3310WriteChar(spip, strp[m]);
else
lcd3310WriteChar(spip, strp[m - n]);
}
}
/** @} */
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