233 lines
6.1 KiB
C
233 lines
6.1 KiB
C
/*
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u8x8_cad.c
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"command arg data" interface to the graphics controller
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2016, olikraus@gmail.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The following sequence must be used for any data, which is set to the display:
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uint8_t u8x8_cad_StartTransfer(u8x8_t *u8x8)
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any of the following calls
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uint8_t u8x8_cad_SendCmd(u8x8_t *u8x8, uint8_t cmd)
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uint8_t u8x8_cad_SendArg(u8x8_t *u8x8, uint8_t arg)
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uint8_t u8x8_cad_SendData(u8x8_t *u8x8, uint8_t cnt, uint8_t *data)
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uint8_t u8x8_cad_EndTransfer(u8x8_t *u8x8)
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*/
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/*
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uint8_t u8x8_cad_template(u8x8_t *u8x8, uint8_t msg, uint16_t arg_int, void *arg_ptr)
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{
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uint8_t i;
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switch(msg)
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{
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case U8X8_MSG_CAD_SEND_CMD:
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u8x8_mcd_byte_SetDC(mcd->next, 1);
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u8x8_mcd_byte_Send(mcd->next, arg_int);
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break;
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case U8X8_MSG_CAD_SEND_ARG:
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u8x8_mcd_byte_SetDC(mcd->next, 1);
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u8x8_mcd_byte_Send(mcd->next, arg_int);
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break;
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case U8X8_MSG_CAD_SEND_DATA:
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u8x8_mcd_byte_SetDC(mcd->next, 0);
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for( i = 0; i < 8; i++ )
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u8x8_mcd_byte_Send(mcd->next, ((uint8_t *)arg_ptr)[i]);
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break;
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case U8X8_MSG_CAD_RESET:
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return mcd->next->cb(mcd->next, msg, arg_int, arg_ptr);
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case U8X8_MSG_CAD_START_TRANSFER:
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return mcd->next->cb(mcd->next, msg, arg_int, arg_ptr);
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case U8X8_MSG_CAD_END_TRANSFER:
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return mcd->next->cb(mcd->next, msg, arg_int, arg_ptr);
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case U8X8_MSG_CAD_SET_I2C_ADR:
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return mcd->next->cb(mcd->next, msg, arg_int, arg_ptr);
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case U8X8_MSG_CAD_SET_DEVICE:
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return mcd->next->cb(mcd->next, msg, arg_int, arg_ptr);
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default:
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break;
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}
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return 1;
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}
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*/
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#include "u8x8.h"
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uint8_t u8x8_cad_SendCmd(u8x8_t *u8x8, uint8_t cmd)
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{
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return u8x8->cad_cb(u8x8, U8X8_MSG_CAD_SEND_CMD, cmd, NULL);
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}
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uint8_t u8x8_cad_SendArg(u8x8_t *u8x8, uint8_t arg)
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{
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return u8x8->cad_cb(u8x8, U8X8_MSG_CAD_SEND_ARG, arg, NULL);
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}
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uint8_t u8x8_cad_SendData(u8x8_t *u8x8, uint8_t cnt, uint8_t *data)
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{
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return u8x8->cad_cb(u8x8, U8X8_MSG_CAD_SEND_DATA, cnt, data);
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}
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uint8_t u8x8_cad_StartTransfer(u8x8_t *u8x8)
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{
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return u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 0, NULL);
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}
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uint8_t u8x8_cad_EndTransfer(u8x8_t *u8x8)
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{
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return u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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}
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/*
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21 c send command c
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22 a send arg a
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23 d send data d
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24 CS on
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25 CS off
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254 milli delay by milliseconds
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255 end of sequence
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*/
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void u8x8_cad_SendSequence(u8x8_t *u8x8, uint8_t const *data)
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{
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uint8_t cmd;
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uint8_t v;
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for(;;)
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{
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cmd = *data;
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data++;
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switch( cmd )
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{
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case U8X8_MSG_CAD_SEND_CMD:
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case U8X8_MSG_CAD_SEND_ARG:
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v = *data;
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u8x8->cad_cb(u8x8, cmd, v, NULL);
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data++;
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break;
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case U8X8_MSG_CAD_SEND_DATA:
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v = *data;
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u8x8_cad_SendData(u8x8, 1, &v);
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data++;
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break;
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case U8X8_MSG_CAD_START_TRANSFER:
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case U8X8_MSG_CAD_END_TRANSFER:
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u8x8->cad_cb(u8x8, cmd, 0, NULL);
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break;
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case 0x0fe:
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v = *data;
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u8x8_gpio_Delay(u8x8, U8X8_MSG_DELAY_MILLI, v);
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data++;
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break;
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default:
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return;
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}
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}
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}
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/*
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convert to bytes by using
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dc = 1 for commands and args and
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dc = 0 for data
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*/
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uint8_t u8x8_cad_110(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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switch(msg)
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{
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case U8X8_MSG_CAD_SEND_CMD:
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u8x8_byte_SetDC(u8x8, 1);
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u8x8_byte_SendByte(u8x8, arg_int);
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break;
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case U8X8_MSG_CAD_SEND_ARG:
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u8x8_byte_SetDC(u8x8, 1);
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u8x8_byte_SendByte(u8x8, arg_int);
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break;
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case U8X8_MSG_CAD_SEND_DATA:
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u8x8_byte_SetDC(u8x8, 0);
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//u8x8_byte_SendBytes(u8x8, arg_int, arg_ptr);
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//break;
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/* fall through */
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case U8X8_MSG_CAD_INIT:
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case U8X8_MSG_CAD_START_TRANSFER:
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case U8X8_MSG_CAD_END_TRANSFER:
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case U8X8_MSG_CAD_SET_I2C_ADR:
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case U8X8_MSG_CAD_SET_DEVICE:
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return u8x8->byte_cb(u8x8, msg, arg_int, arg_ptr);
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default:
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return 0;
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}
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return 1;
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}
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/*
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convert to bytes by using
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dc = 0 for commands and args and
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dc = 1 for data
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*/
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uint8_t u8x8_cad_001(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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switch(msg)
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{
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case U8X8_MSG_CAD_SEND_CMD:
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u8x8_byte_SetDC(u8x8, 0);
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u8x8_byte_SendByte(u8x8, arg_int);
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break;
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case U8X8_MSG_CAD_SEND_ARG:
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u8x8_byte_SetDC(u8x8, 0);
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u8x8_byte_SendByte(u8x8, arg_int);
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break;
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case U8X8_MSG_CAD_SEND_DATA:
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u8x8_byte_SetDC(u8x8, 1);
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//u8x8_byte_SendBytes(u8x8, arg_int, arg_ptr);
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//break;
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/* fall through */
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case U8X8_MSG_CAD_INIT:
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case U8X8_MSG_CAD_START_TRANSFER:
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case U8X8_MSG_CAD_END_TRANSFER:
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case U8X8_MSG_CAD_SET_I2C_ADR:
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case U8X8_MSG_CAD_SET_DEVICE:
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return u8x8->byte_cb(u8x8, msg, arg_int, arg_ptr);
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default:
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return 0;
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}
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return 1;
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}
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