iforce2d Chris / Mbed 2 deprecated ubxDistanceMeter

Displays distance to start location on OLED screen.

Dependencies:   mbed

u8g_com_arduino_t6963.c@0:972874f31c98, 2018-03-07 (annotated)

Committer:
iforce2d
Date:
Wed Mar 07 12:49:14 2018 +0000
Revision:
0:972874f31c98
First commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
iforce2d 0:972874f31c98 1 /*
iforce2d 0:972874f31c98 2
iforce2d 0:972874f31c98 3 u8g_com_arduino_t6963.c
iforce2d 0:972874f31c98 4
iforce2d 0:972874f31c98 5 Universal 8bit Graphics Library
iforce2d 0:972874f31c98 6
iforce2d 0:972874f31c98 7 Copyright (c) 2011, olikraus@gmail.com
iforce2d 0:972874f31c98 8 All rights reserved.
iforce2d 0:972874f31c98 9
iforce2d 0:972874f31c98 10 Redistribution and use in source and binary forms, with or without modification,
iforce2d 0:972874f31c98 11 are permitted provided that the following conditions are met:
iforce2d 0:972874f31c98 12
iforce2d 0:972874f31c98 13 * Redistributions of source code must retain the above copyright notice, this list
iforce2d 0:972874f31c98 14 of conditions and the following disclaimer.
iforce2d 0:972874f31c98 15
iforce2d 0:972874f31c98 16 * Redistributions in binary form must reproduce the above copyright notice, this
iforce2d 0:972874f31c98 17 list of conditions and the following disclaimer in the documentation and/or other
iforce2d 0:972874f31c98 18 materials provided with the distribution.
iforce2d 0:972874f31c98 19
iforce2d 0:972874f31c98 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
iforce2d 0:972874f31c98 21 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
iforce2d 0:972874f31c98 22 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
iforce2d 0:972874f31c98 23 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
iforce2d 0:972874f31c98 24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
iforce2d 0:972874f31c98 25 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
iforce2d 0:972874f31c98 26 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
iforce2d 0:972874f31c98 27 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
iforce2d 0:972874f31c98 28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
iforce2d 0:972874f31c98 29 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
iforce2d 0:972874f31c98 30 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
iforce2d 0:972874f31c98 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
iforce2d 0:972874f31c98 32 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
iforce2d 0:972874f31c98 33
iforce2d 0:972874f31c98 34
iforce2d 0:972874f31c98 35 PIN_D0 8
iforce2d 0:972874f31c98 36 PIN_D1 9
iforce2d 0:972874f31c98 37 PIN_D2 10
iforce2d 0:972874f31c98 38 PIN_D3 11
iforce2d 0:972874f31c98 39 PIN_D4 4
iforce2d 0:972874f31c98 40 PIN_D5 5
iforce2d 0:972874f31c98 41 PIN_D6 6
iforce2d 0:972874f31c98 42 PIN_D7 7
iforce2d 0:972874f31c98 43
iforce2d 0:972874f31c98 44 PIN_CS 14
iforce2d 0:972874f31c98 45 PIN_A0 15
iforce2d 0:972874f31c98 46 PIN_RESET 16
iforce2d 0:972874f31c98 47 PIN_WR 17
iforce2d 0:972874f31c98 48 PIN_RD 18
iforce2d 0:972874f31c98 49
iforce2d 0:972874f31c98 50 u8g_InitRW8Bit(u8g, dev, d0, d1, d2, d3, d4, d5, d6, d7, cs, a0, wr, rd, reset)
iforce2d 0:972874f31c98 51 u8g_InitRW8Bit(u8g, dev, 8, 9, 10, 11, 4, 5, 6, 7, 14, 15, 17, 18, 16)
iforce2d 0:972874f31c98 52
iforce2d 0:972874f31c98 53 Update for ATOMIC operation done (01 Jun 2013)
iforce2d 0:972874f31c98 54 U8G_ATOMIC_OR(ptr, val)
iforce2d 0:972874f31c98 55 U8G_ATOMIC_AND(ptr, val)
iforce2d 0:972874f31c98 56 U8G_ATOMIC_START();
iforce2d 0:972874f31c98 57 U8G_ATOMIC_END();
iforce2d 0:972874f31c98 58
iforce2d 0:972874f31c98 59
iforce2d 0:972874f31c98 60 */
iforce2d 0:972874f31c98 61
iforce2d 0:972874f31c98 62 #include "u8g.h"
iforce2d 0:972874f31c98 63
iforce2d 0:972874f31c98 64 #if defined(ARDUINO)
iforce2d 0:972874f31c98 65
iforce2d 0:972874f31c98 66 #if ARDUINO < 100
iforce2d 0:972874f31c98 67 //#include <WProgram.h>
iforce2d 0:972874f31c98 68 #include <wiring_private.h>
iforce2d 0:972874f31c98 69 #include <pins_arduino.h>
iforce2d 0:972874f31c98 70 #else
iforce2d 0:972874f31c98 71 #include <Arduino.h>
iforce2d 0:972874f31c98 72 #endif
iforce2d 0:972874f31c98 73
iforce2d 0:972874f31c98 74
iforce2d 0:972874f31c98 75 #if defined(__PIC32MX)
iforce2d 0:972874f31c98 76 /* CHIPKIT PIC32 */
iforce2d 0:972874f31c98 77 static volatile uint32_t *u8g_output_data_port[8];
iforce2d 0:972874f31c98 78 static volatile uint32_t *u8g_input_data_port[8];
iforce2d 0:972874f31c98 79 static volatile uint32_t *u8g_mode_port[8];
iforce2d 0:972874f31c98 80 static uint32_t u8g_data_mask[8];
iforce2d 0:972874f31c98 81 #else
iforce2d 0:972874f31c98 82 static volatile uint8_t *u8g_output_data_port[8];
iforce2d 0:972874f31c98 83 static volatile uint8_t *u8g_input_data_port[8];
iforce2d 0:972874f31c98 84 static volatile uint8_t *u8g_mode_port[8];
iforce2d 0:972874f31c98 85 static uint8_t u8g_data_mask[8];
iforce2d 0:972874f31c98 86 #endif
iforce2d 0:972874f31c98 87
iforce2d 0:972874f31c98 88
iforce2d 0:972874f31c98 89
iforce2d 0:972874f31c98 90 static void u8g_com_arduino_t6963_init(u8g_t *u8g)
iforce2d 0:972874f31c98 91 {
iforce2d 0:972874f31c98 92 u8g_output_data_port[0] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D0]));
iforce2d 0:972874f31c98 93 u8g_input_data_port[0] = portInputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D0]));
iforce2d 0:972874f31c98 94 u8g_mode_port[0] = portModeRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D0]));
iforce2d 0:972874f31c98 95 u8g_data_mask[0] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D0]);
iforce2d 0:972874f31c98 96
iforce2d 0:972874f31c98 97 u8g_output_data_port[1] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D1]));
iforce2d 0:972874f31c98 98 u8g_input_data_port[1] = portInputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D1]));
iforce2d 0:972874f31c98 99 u8g_mode_port[1] = portModeRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D1]));
iforce2d 0:972874f31c98 100 u8g_data_mask[1] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D1]);
iforce2d 0:972874f31c98 101
iforce2d 0:972874f31c98 102 u8g_output_data_port[2] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D2]));
iforce2d 0:972874f31c98 103 u8g_input_data_port[2] = portInputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D2]));
iforce2d 0:972874f31c98 104 u8g_mode_port[2] = portModeRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D2]));
iforce2d 0:972874f31c98 105 u8g_data_mask[2] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D2]);
iforce2d 0:972874f31c98 106
iforce2d 0:972874f31c98 107 u8g_output_data_port[3] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D3]));
iforce2d 0:972874f31c98 108 u8g_input_data_port[3] = portInputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D3]));
iforce2d 0:972874f31c98 109 u8g_mode_port[3] = portModeRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D3]));
iforce2d 0:972874f31c98 110 u8g_data_mask[3] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D3]);
iforce2d 0:972874f31c98 111
iforce2d 0:972874f31c98 112 u8g_output_data_port[4] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D4]));
iforce2d 0:972874f31c98 113 u8g_input_data_port[4] = portInputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D4]));
iforce2d 0:972874f31c98 114 u8g_mode_port[4] = portModeRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D4]));
iforce2d 0:972874f31c98 115 u8g_data_mask[4] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D4]);
iforce2d 0:972874f31c98 116
iforce2d 0:972874f31c98 117 u8g_output_data_port[5] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D5]));
iforce2d 0:972874f31c98 118 u8g_input_data_port[5] = portInputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D5]));
iforce2d 0:972874f31c98 119 u8g_mode_port[5] = portModeRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D5]));
iforce2d 0:972874f31c98 120 u8g_data_mask[5] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D5]);
iforce2d 0:972874f31c98 121
iforce2d 0:972874f31c98 122 u8g_output_data_port[6] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D6]));
iforce2d 0:972874f31c98 123 u8g_input_data_port[6] = portInputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D6]));
iforce2d 0:972874f31c98 124 u8g_mode_port[6] = portModeRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D6]));
iforce2d 0:972874f31c98 125 u8g_data_mask[6] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D6]);
iforce2d 0:972874f31c98 126
iforce2d 0:972874f31c98 127 u8g_output_data_port[7] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D7]));
iforce2d 0:972874f31c98 128 u8g_input_data_port[7] = portInputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D7]));
iforce2d 0:972874f31c98 129 u8g_mode_port[7] = portModeRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D7]));
iforce2d 0:972874f31c98 130 u8g_data_mask[7] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D7]);
iforce2d 0:972874f31c98 131 }
iforce2d 0:972874f31c98 132
iforce2d 0:972874f31c98 133
iforce2d 0:972874f31c98 134 static void u8g_com_arduino_t6963_write_data_pin(uint8_t pin, uint8_t val)
iforce2d 0:972874f31c98 135 {
iforce2d 0:972874f31c98 136 /* no ATOMIC protection required here, this is done by calling procedure */
iforce2d 0:972874f31c98 137 if ( val != 0 )
iforce2d 0:972874f31c98 138 *u8g_output_data_port[pin] |= u8g_data_mask[pin];
iforce2d 0:972874f31c98 139 else
iforce2d 0:972874f31c98 140 *u8g_output_data_port[pin] &= ~u8g_data_mask[pin];
iforce2d 0:972874f31c98 141 }
iforce2d 0:972874f31c98 142
iforce2d 0:972874f31c98 143 static void u8g_com_arduino_t6963_set_port_output(void)
iforce2d 0:972874f31c98 144 {
iforce2d 0:972874f31c98 145 uint8_t i;
iforce2d 0:972874f31c98 146 U8G_ATOMIC_START();
iforce2d 0:972874f31c98 147 for( i = 0; i < 8; i++ )
iforce2d 0:972874f31c98 148 {
iforce2d 0:972874f31c98 149 #if defined(__PIC32MX)
iforce2d 0:972874f31c98 150 /* CHIPKIT PIC32 */
iforce2d 0:972874f31c98 151 *u8g_mode_port[i] |= u8g_data_mask[i];
iforce2d 0:972874f31c98 152 #elif defined(__AVR__)
iforce2d 0:972874f31c98 153 *u8g_mode_port[i] |= u8g_data_mask[i];
iforce2d 0:972874f31c98 154 #else
iforce2d 0:972874f31c98 155 /* TODO: use generic Arduino API */
iforce2d 0:972874f31c98 156 *u8g_mode_port[i] |= u8g_data_mask[i];
iforce2d 0:972874f31c98 157 #endif
iforce2d 0:972874f31c98 158
iforce2d 0:972874f31c98 159 }
iforce2d 0:972874f31c98 160 U8G_ATOMIC_END();
iforce2d 0:972874f31c98 161 }
iforce2d 0:972874f31c98 162
iforce2d 0:972874f31c98 163 static void u8g_com_arduino_t6963_set_port_input(void)
iforce2d 0:972874f31c98 164 {
iforce2d 0:972874f31c98 165 uint8_t i;
iforce2d 0:972874f31c98 166 U8G_ATOMIC_START();
iforce2d 0:972874f31c98 167 for( i = 0; i < 8; i++ )
iforce2d 0:972874f31c98 168 {
iforce2d 0:972874f31c98 169 #if defined(__PIC32MX)
iforce2d 0:972874f31c98 170 /* CHIPKIT PIC32 */
iforce2d 0:972874f31c98 171 *u8g_mode_port[i] &= ~u8g_data_mask[i];
iforce2d 0:972874f31c98 172 #elif defined(__AVR__)
iforce2d 0:972874f31c98 173 /* avr */
iforce2d 0:972874f31c98 174 *u8g_mode_port[i] &= ~u8g_data_mask[i];
iforce2d 0:972874f31c98 175 *u8g_output_data_port[i] &= ~u8g_data_mask[i]; // no pullup
iforce2d 0:972874f31c98 176 #else
iforce2d 0:972874f31c98 177 /* TODO: use generic Arduino API */
iforce2d 0:972874f31c98 178 *u8g_mode_port[i] &= ~u8g_data_mask[i];
iforce2d 0:972874f31c98 179 *u8g_output_data_port[i] &= ~u8g_data_mask[i]; // no pullup
iforce2d 0:972874f31c98 180 #endif
iforce2d 0:972874f31c98 181 }
iforce2d 0:972874f31c98 182 U8G_ATOMIC_END();
iforce2d 0:972874f31c98 183 }
iforce2d 0:972874f31c98 184
iforce2d 0:972874f31c98 185
iforce2d 0:972874f31c98 186 static void u8g_com_arduino_t6963_write(u8g_t *u8g, uint8_t val)
iforce2d 0:972874f31c98 187 {
iforce2d 0:972874f31c98 188 U8G_ATOMIC_START();
iforce2d 0:972874f31c98 189
iforce2d 0:972874f31c98 190 u8g_com_arduino_t6963_write_data_pin( 0, val&1 );
iforce2d 0:972874f31c98 191 val >>= 1;
iforce2d 0:972874f31c98 192 u8g_com_arduino_t6963_write_data_pin( 1, val&1 );
iforce2d 0:972874f31c98 193 val >>= 1;
iforce2d 0:972874f31c98 194 u8g_com_arduino_t6963_write_data_pin( 2, val&1 );
iforce2d 0:972874f31c98 195 val >>= 1;
iforce2d 0:972874f31c98 196 u8g_com_arduino_t6963_write_data_pin( 3, val&1 );
iforce2d 0:972874f31c98 197 val >>= 1;
iforce2d 0:972874f31c98 198
iforce2d 0:972874f31c98 199 u8g_com_arduino_t6963_write_data_pin( 4, val&1 );
iforce2d 0:972874f31c98 200 val >>= 1;
iforce2d 0:972874f31c98 201 u8g_com_arduino_t6963_write_data_pin( 5, val&1 );
iforce2d 0:972874f31c98 202 val >>= 1;
iforce2d 0:972874f31c98 203 u8g_com_arduino_t6963_write_data_pin( 6, val&1 );
iforce2d 0:972874f31c98 204 val >>= 1;
iforce2d 0:972874f31c98 205 u8g_com_arduino_t6963_write_data_pin( 7, val&1 );
iforce2d 0:972874f31c98 206 val >>= 1;
iforce2d 0:972874f31c98 207 U8G_ATOMIC_END();
iforce2d 0:972874f31c98 208
iforce2d 0:972874f31c98 209 u8g_com_arduino_digital_write(u8g, U8G_PI_WR, 0);
iforce2d 0:972874f31c98 210 u8g_MicroDelay(); /* 80ns, reference: t6963 datasheet */
iforce2d 0:972874f31c98 211 u8g_com_arduino_digital_write(u8g, U8G_PI_WR, 1);
iforce2d 0:972874f31c98 212 u8g_MicroDelay(); /* 10ns, reference: t6963 datasheet */
iforce2d 0:972874f31c98 213 }
iforce2d 0:972874f31c98 214
iforce2d 0:972874f31c98 215 static uint8_t u8g_com_arduino_t6963_read(u8g_t *u8g)
iforce2d 0:972874f31c98 216 {
iforce2d 0:972874f31c98 217 uint8_t val = 0;
iforce2d 0:972874f31c98 218
iforce2d 0:972874f31c98 219 u8g_com_arduino_digital_write(u8g, U8G_PI_RD, 0);
iforce2d 0:972874f31c98 220 u8g_MicroDelay(); /* 150ns, reference: t6963 datasheet */
iforce2d 0:972874f31c98 221
iforce2d 0:972874f31c98 222 U8G_ATOMIC_START();
iforce2d 0:972874f31c98 223 /* only read bits 0, 1 and 3 */
iforce2d 0:972874f31c98 224 if ( (*u8g_input_data_port[3] & u8g_data_mask[3]) != 0 )
iforce2d 0:972874f31c98 225 val++;
iforce2d 0:972874f31c98 226 val <<= 1;
iforce2d 0:972874f31c98 227 val <<= 1;
iforce2d 0:972874f31c98 228 if ( (*u8g_input_data_port[1] & u8g_data_mask[1]) != 0 )
iforce2d 0:972874f31c98 229 val++;
iforce2d 0:972874f31c98 230 val <<= 1;
iforce2d 0:972874f31c98 231 if ( (*u8g_input_data_port[0] & u8g_data_mask[0]) != 0 )
iforce2d 0:972874f31c98 232 val++;
iforce2d 0:972874f31c98 233 U8G_ATOMIC_END();
iforce2d 0:972874f31c98 234
iforce2d 0:972874f31c98 235 u8g_com_arduino_digital_write(u8g, U8G_PI_RD, 1);
iforce2d 0:972874f31c98 236 u8g_MicroDelay(); /* 10ns, reference: t6963 datasheet */
iforce2d 0:972874f31c98 237
iforce2d 0:972874f31c98 238 return val;
iforce2d 0:972874f31c98 239 }
iforce2d 0:972874f31c98 240
iforce2d 0:972874f31c98 241 #define U8G_STATUS_TIMEOUT 50
iforce2d 0:972874f31c98 242
iforce2d 0:972874f31c98 243 static uint8_t u8g_com_arduino_t6963_until_01_ok(u8g_t *u8g)
iforce2d 0:972874f31c98 244 {
iforce2d 0:972874f31c98 245 long x;
iforce2d 0:972874f31c98 246
iforce2d 0:972874f31c98 247 u8g_com_arduino_t6963_set_port_input();
iforce2d 0:972874f31c98 248 x = millis();
iforce2d 0:972874f31c98 249 x += U8G_STATUS_TIMEOUT;
iforce2d 0:972874f31c98 250
iforce2d 0:972874f31c98 251 for(;;)
iforce2d 0:972874f31c98 252 {
iforce2d 0:972874f31c98 253 if ( (u8g_com_arduino_t6963_read(u8g) & 3) == 3 )
iforce2d 0:972874f31c98 254 break;
iforce2d 0:972874f31c98 255 if ( x < millis() )
iforce2d 0:972874f31c98 256 return 0;
iforce2d 0:972874f31c98 257 }
iforce2d 0:972874f31c98 258 u8g_com_arduino_t6963_set_port_output();
iforce2d 0:972874f31c98 259 return 1;
iforce2d 0:972874f31c98 260 }
iforce2d 0:972874f31c98 261
iforce2d 0:972874f31c98 262 static uint8_t u8g_com_arduino_t6963_until_3_ok(u8g_t *u8g)
iforce2d 0:972874f31c98 263 {
iforce2d 0:972874f31c98 264 long x;
iforce2d 0:972874f31c98 265
iforce2d 0:972874f31c98 266 u8g_com_arduino_t6963_set_port_input();
iforce2d 0:972874f31c98 267 x = millis();
iforce2d 0:972874f31c98 268 x += U8G_STATUS_TIMEOUT;
iforce2d 0:972874f31c98 269
iforce2d 0:972874f31c98 270 for(;;)
iforce2d 0:972874f31c98 271 {
iforce2d 0:972874f31c98 272 if ( (u8g_com_arduino_t6963_read(u8g) & 8) == 8 )
iforce2d 0:972874f31c98 273 break;
iforce2d 0:972874f31c98 274 if ( x < millis() )
iforce2d 0:972874f31c98 275 return 0;
iforce2d 0:972874f31c98 276 }
iforce2d 0:972874f31c98 277 u8g_com_arduino_t6963_set_port_output();
iforce2d 0:972874f31c98 278 return 1;
iforce2d 0:972874f31c98 279 }
iforce2d 0:972874f31c98 280
iforce2d 0:972874f31c98 281 static uint8_t u8g_com_arduino_t6963_write_cmd(u8g_t *u8g, uint8_t val)
iforce2d 0:972874f31c98 282 {
iforce2d 0:972874f31c98 283 u8g_com_arduino_digital_write(u8g, U8G_PI_A0, 1);
iforce2d 0:972874f31c98 284 if ( u8g_com_arduino_t6963_until_01_ok(u8g) == 0 )
iforce2d 0:972874f31c98 285 return 0;
iforce2d 0:972874f31c98 286 u8g_com_arduino_digital_write(u8g, U8G_PI_A0, 1);
iforce2d 0:972874f31c98 287 u8g_com_arduino_t6963_write(u8g, val);
iforce2d 0:972874f31c98 288 return 1;
iforce2d 0:972874f31c98 289 }
iforce2d 0:972874f31c98 290
iforce2d 0:972874f31c98 291 static uint8_t u8g_com_arduino_t6963_write_data(u8g_t *u8g, uint8_t val)
iforce2d 0:972874f31c98 292 {
iforce2d 0:972874f31c98 293 u8g_com_arduino_digital_write(u8g, U8G_PI_A0, 1);
iforce2d 0:972874f31c98 294 if ( u8g_com_arduino_t6963_until_01_ok(u8g) == 0 )
iforce2d 0:972874f31c98 295 return 0;
iforce2d 0:972874f31c98 296 u8g_com_arduino_digital_write(u8g, U8G_PI_A0, 0);
iforce2d 0:972874f31c98 297 u8g_com_arduino_t6963_write(u8g, val);
iforce2d 0:972874f31c98 298 return 1;
iforce2d 0:972874f31c98 299 }
iforce2d 0:972874f31c98 300
iforce2d 0:972874f31c98 301 static uint8_t u8g_com_arduino_t6963_write_auto_data(u8g_t *u8g, uint8_t val)
iforce2d 0:972874f31c98 302 {
iforce2d 0:972874f31c98 303 u8g_com_arduino_digital_write(u8g, U8G_PI_A0, 1);
iforce2d 0:972874f31c98 304 if ( u8g_com_arduino_t6963_until_3_ok(u8g) == 0 )
iforce2d 0:972874f31c98 305 return 0;
iforce2d 0:972874f31c98 306 u8g_com_arduino_digital_write(u8g, U8G_PI_A0, 0);
iforce2d 0:972874f31c98 307 u8g_com_arduino_t6963_write(u8g, val);
iforce2d 0:972874f31c98 308 return 1;
iforce2d 0:972874f31c98 309 }
iforce2d 0:972874f31c98 310
iforce2d 0:972874f31c98 311
iforce2d 0:972874f31c98 312 uint8_t u8g_com_arduino_t6963_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
iforce2d 0:972874f31c98 313 {
iforce2d 0:972874f31c98 314 switch(msg)
iforce2d 0:972874f31c98 315 {
iforce2d 0:972874f31c98 316 case U8G_COM_MSG_INIT:
iforce2d 0:972874f31c98 317 u8g->pin_list[U8G_PI_A0_STATE] = 0;
iforce2d 0:972874f31c98 318 u8g_com_arduino_t6963_init(u8g);
iforce2d 0:972874f31c98 319 /* setup the RW (equal to WR) pin as output and force it to high */
iforce2d 0:972874f31c98 320 if ( u8g->pin_list[U8G_PI_WR] != U8G_PIN_NONE )
iforce2d 0:972874f31c98 321 {
iforce2d 0:972874f31c98 322 pinMode(u8g->pin_list[U8G_PI_WR], OUTPUT);
iforce2d 0:972874f31c98 323 u8g_com_arduino_digital_write(u8g, U8G_PI_WR, HIGH);
iforce2d 0:972874f31c98 324 }
iforce2d 0:972874f31c98 325 /* set all pins (except WR pin) */
iforce2d 0:972874f31c98 326 u8g_com_arduino_assign_pin_output_high(u8g);
iforce2d 0:972874f31c98 327 break;
iforce2d 0:972874f31c98 328 case U8G_COM_MSG_STOP:
iforce2d 0:972874f31c98 329 break;
iforce2d 0:972874f31c98 330
iforce2d 0:972874f31c98 331 case U8G_COM_MSG_CHIP_SELECT:
iforce2d 0:972874f31c98 332 if ( arg_val == 0 )
iforce2d 0:972874f31c98 333 {
iforce2d 0:972874f31c98 334 /* disable, active low chip select */
iforce2d 0:972874f31c98 335 u8g_com_arduino_digital_write(u8g, U8G_PI_CS, HIGH);
iforce2d 0:972874f31c98 336 }
iforce2d 0:972874f31c98 337 else
iforce2d 0:972874f31c98 338 {
iforce2d 0:972874f31c98 339 /* enable */
iforce2d 0:972874f31c98 340 u8g_com_arduino_digital_write(u8g, U8G_PI_CS, LOW);
iforce2d 0:972874f31c98 341 }
iforce2d 0:972874f31c98 342 break;
iforce2d 0:972874f31c98 343 case U8G_COM_MSG_WRITE_BYTE:
iforce2d 0:972874f31c98 344 if ( u8g->pin_list[U8G_PI_A0_STATE] == 0 )
iforce2d 0:972874f31c98 345 {
iforce2d 0:972874f31c98 346 u8g_com_arduino_t6963_write_data(u8g, arg_val);
iforce2d 0:972874f31c98 347 }
iforce2d 0:972874f31c98 348 else
iforce2d 0:972874f31c98 349 {
iforce2d 0:972874f31c98 350 u8g_com_arduino_t6963_write_cmd(u8g, arg_val);
iforce2d 0:972874f31c98 351 }
iforce2d 0:972874f31c98 352 break;
iforce2d 0:972874f31c98 353 case U8G_COM_MSG_WRITE_SEQ:
iforce2d 0:972874f31c98 354 {
iforce2d 0:972874f31c98 355 register uint8_t *ptr = arg_ptr;
iforce2d 0:972874f31c98 356 u8g_com_arduino_t6963_write_cmd(u8g, 0x0b0); /* auto write */
iforce2d 0:972874f31c98 357 while( arg_val > 0 )
iforce2d 0:972874f31c98 358 {
iforce2d 0:972874f31c98 359 if ( u8g_com_arduino_t6963_write_auto_data(u8g, *ptr++) == 0 )
iforce2d 0:972874f31c98 360 break;
iforce2d 0:972874f31c98 361 arg_val--;
iforce2d 0:972874f31c98 362 }
iforce2d 0:972874f31c98 363 u8g_com_arduino_t6963_write_cmd(u8g, 0x0b2); /* auto reset */
iforce2d 0:972874f31c98 364 }
iforce2d 0:972874f31c98 365 break;
iforce2d 0:972874f31c98 366 case U8G_COM_MSG_WRITE_SEQ_P:
iforce2d 0:972874f31c98 367 {
iforce2d 0:972874f31c98 368 register uint8_t *ptr = arg_ptr;
iforce2d 0:972874f31c98 369 u8g_com_arduino_t6963_write_cmd(u8g, 0x0b0); /* auto write */
iforce2d 0:972874f31c98 370 while( arg_val > 0 )
iforce2d 0:972874f31c98 371 {
iforce2d 0:972874f31c98 372 if ( u8g_com_arduino_t6963_write_auto_data(u8g, u8g_pgm_read(ptr)) == 0 )
iforce2d 0:972874f31c98 373 break;
iforce2d 0:972874f31c98 374 ptr++;
iforce2d 0:972874f31c98 375 arg_val--;
iforce2d 0:972874f31c98 376 }
iforce2d 0:972874f31c98 377 u8g_com_arduino_t6963_write_cmd(u8g, 0x0b2); /* auto reset */
iforce2d 0:972874f31c98 378 }
iforce2d 0:972874f31c98 379 break;
iforce2d 0:972874f31c98 380 case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 1) or data mode (arg_val = 0) */
iforce2d 0:972874f31c98 381 u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
iforce2d 0:972874f31c98 382 //u8g_com_arduino_digital_write(u8g, U8G_PI_DI, arg_val);
iforce2d 0:972874f31c98 383 break;
iforce2d 0:972874f31c98 384 case U8G_COM_MSG_RESET:
iforce2d 0:972874f31c98 385 if ( u8g->pin_list[U8G_PI_RESET] != U8G_PIN_NONE )
iforce2d 0:972874f31c98 386 u8g_com_arduino_digital_write(u8g, U8G_PI_RESET, arg_val);
iforce2d 0:972874f31c98 387 break;
iforce2d 0:972874f31c98 388
iforce2d 0:972874f31c98 389 }
iforce2d 0:972874f31c98 390 return 1;
iforce2d 0:972874f31c98 391 }
iforce2d 0:972874f31c98 392
iforce2d 0:972874f31c98 393 #else
iforce2d 0:972874f31c98 394
iforce2d 0:972874f31c98 395
iforce2d 0:972874f31c98 396 uint8_t u8g_com_arduino_t6963_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
iforce2d 0:972874f31c98 397 {
iforce2d 0:972874f31c98 398 return 1;
iforce2d 0:972874f31c98 399 }
iforce2d 0:972874f31c98 400
iforce2d 0:972874f31c98 401
iforce2d 0:972874f31c98 402 #endif /* ARDUINO */
iforce2d 0:972874f31c98 403
iforce2d 0:972874f31c98 404