iforce2d Chris / Mbed 2 deprecated ubxDistanceMeter

Displays distance to start location on OLED screen.

Dependencies:   mbed

u8g_com_arduino_fast_parallel.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_arduino_fast_parallel.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 PIN_D0 8
iforce2d 0:972874f31c98 35 PIN_D1 9
iforce2d 0:972874f31c98 36 PIN_D2 10
iforce2d 0:972874f31c98 37 PIN_D3 11
iforce2d 0:972874f31c98 38 PIN_D4 4
iforce2d 0:972874f31c98 39 PIN_D5 5
iforce2d 0:972874f31c98 40 PIN_D6 6
iforce2d 0:972874f31c98 41 PIN_D7 7
iforce2d 0:972874f31c98 42
iforce2d 0:972874f31c98 43 PIN_CS1 14
iforce2d 0:972874f31c98 44 PIN_CS2 15
iforce2d 0:972874f31c98 45 PIN_RW 16
iforce2d 0:972874f31c98 46 PIN_DI 17
iforce2d 0:972874f31c98 47 PIN_EN 18
iforce2d 0:972874f31c98 48
iforce2d 0:972874f31c98 49 u8g_Init8Bit(u8g, dev, d0, d1, d2, d3, d4, d5, d6, d7, en, cs1, cs2, di, rw, reset)
iforce2d 0:972874f31c98 50 u8g_Init8Bit(u8g, dev, 8, 9, 10, 11, 4, 5, 6, 7, 18, 14, 15, 17, 16, U8G_PIN_NONE)
iforce2d 0:972874f31c98 51
iforce2d 0:972874f31c98 52 Update for ATOMIC operation done (01 Jun 2013)
iforce2d 0:972874f31c98 53 U8G_ATOMIC_OR(ptr, val)
iforce2d 0:972874f31c98 54 U8G_ATOMIC_AND(ptr, val)
iforce2d 0:972874f31c98 55 U8G_ATOMIC_START();
iforce2d 0:972874f31c98 56 U8G_ATOMIC_END();
iforce2d 0:972874f31c98 57
iforce2d 0:972874f31c98 58 */
iforce2d 0:972874f31c98 59
iforce2d 0:972874f31c98 60 #include "u8g.h"
iforce2d 0:972874f31c98 61
iforce2d 0:972874f31c98 62 #if defined(ARDUINO)
iforce2d 0:972874f31c98 63
iforce2d 0:972874f31c98 64 #if ARDUINO < 100
iforce2d 0:972874f31c98 65 //#include <WProgram.h>
iforce2d 0:972874f31c98 66 #include <wiring_private.h>
iforce2d 0:972874f31c98 67 #include <pins_arduino.h>
iforce2d 0:972874f31c98 68 #else
iforce2d 0:972874f31c98 69 #include <Arduino.h>
iforce2d 0:972874f31c98 70 #endif
iforce2d 0:972874f31c98 71
iforce2d 0:972874f31c98 72
iforce2d 0:972874f31c98 73 #define PIN_D0 8
iforce2d 0:972874f31c98 74 #define PIN_D1 9
iforce2d 0:972874f31c98 75 #define PIN_D2 10
iforce2d 0:972874f31c98 76 #define PIN_D3 11
iforce2d 0:972874f31c98 77 #define PIN_D4 4
iforce2d 0:972874f31c98 78 #define PIN_D5 5
iforce2d 0:972874f31c98 79 #define PIN_D6 6
iforce2d 0:972874f31c98 80 #define PIN_D7 7
iforce2d 0:972874f31c98 81
iforce2d 0:972874f31c98 82 #define PIN_CS1 14
iforce2d 0:972874f31c98 83 #define PIN_CS2 15
iforce2d 0:972874f31c98 84 #define PIN_RW 16
iforce2d 0:972874f31c98 85 #define PIN_DI 17
iforce2d 0:972874f31c98 86 #define PIN_EN 18
iforce2d 0:972874f31c98 87
iforce2d 0:972874f31c98 88 //#define PIN_RESET
iforce2d 0:972874f31c98 89
iforce2d 0:972874f31c98 90
iforce2d 0:972874f31c98 91 #if defined(__PIC32MX)
iforce2d 0:972874f31c98 92 /* CHIPKIT PIC32 */
iforce2d 0:972874f31c98 93 static volatile uint32_t *u8g_data_port[8];
iforce2d 0:972874f31c98 94 static uint32_t u8g_data_mask[8];
iforce2d 0:972874f31c98 95 #else
iforce2d 0:972874f31c98 96 static volatile uint8_t *u8g_data_port[8];
iforce2d 0:972874f31c98 97 static uint8_t u8g_data_mask[8];
iforce2d 0:972874f31c98 98 #endif
iforce2d 0:972874f31c98 99
iforce2d 0:972874f31c98 100
iforce2d 0:972874f31c98 101
iforce2d 0:972874f31c98 102 static void u8g_com_arduino_fast_parallel_init(u8g_t *u8g)
iforce2d 0:972874f31c98 103 {
iforce2d 0:972874f31c98 104 u8g_data_port[0] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D0]));
iforce2d 0:972874f31c98 105 u8g_data_mask[0] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D0]);
iforce2d 0:972874f31c98 106 u8g_data_port[1] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D1]));
iforce2d 0:972874f31c98 107 u8g_data_mask[1] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D1]);
iforce2d 0:972874f31c98 108 u8g_data_port[2] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D2]));
iforce2d 0:972874f31c98 109 u8g_data_mask[2] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D2]);
iforce2d 0:972874f31c98 110 u8g_data_port[3] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D3]));
iforce2d 0:972874f31c98 111 u8g_data_mask[3] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D3]);
iforce2d 0:972874f31c98 112
iforce2d 0:972874f31c98 113 u8g_data_port[4] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D4]));
iforce2d 0:972874f31c98 114 u8g_data_mask[4] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D4]);
iforce2d 0:972874f31c98 115 u8g_data_port[5] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D5]));
iforce2d 0:972874f31c98 116 u8g_data_mask[5] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D5]);
iforce2d 0:972874f31c98 117 u8g_data_port[6] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D6]));
iforce2d 0:972874f31c98 118 u8g_data_mask[6] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D6]);
iforce2d 0:972874f31c98 119 u8g_data_port[7] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D7]));
iforce2d 0:972874f31c98 120 u8g_data_mask[7] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D7]);
iforce2d 0:972874f31c98 121 }
iforce2d 0:972874f31c98 122
iforce2d 0:972874f31c98 123 /* atomic protection must be done by calling function */
iforce2d 0:972874f31c98 124 static void u8g_com_arduino_fast_write_data_pin(uint8_t pin, uint8_t val)
iforce2d 0:972874f31c98 125 {
iforce2d 0:972874f31c98 126 if ( val != 0 )
iforce2d 0:972874f31c98 127 *u8g_data_port[pin] |= u8g_data_mask[pin];
iforce2d 0:972874f31c98 128 else
iforce2d 0:972874f31c98 129 *u8g_data_port[pin] &= ~u8g_data_mask[pin];
iforce2d 0:972874f31c98 130 }
iforce2d 0:972874f31c98 131
iforce2d 0:972874f31c98 132
iforce2d 0:972874f31c98 133 void u8g_com_arduino_fast_parallel_write(u8g_t *u8g, uint8_t val)
iforce2d 0:972874f31c98 134 {
iforce2d 0:972874f31c98 135 U8G_ATOMIC_START();
iforce2d 0:972874f31c98 136 u8g_com_arduino_fast_write_data_pin( 0, val&1 );
iforce2d 0:972874f31c98 137 val >>= 1;
iforce2d 0:972874f31c98 138 u8g_com_arduino_fast_write_data_pin( 1, val&1 );
iforce2d 0:972874f31c98 139 val >>= 1;
iforce2d 0:972874f31c98 140 u8g_com_arduino_fast_write_data_pin( 2, val&1 );
iforce2d 0:972874f31c98 141 val >>= 1;
iforce2d 0:972874f31c98 142 u8g_com_arduino_fast_write_data_pin( 3, val&1 );
iforce2d 0:972874f31c98 143 val >>= 1;
iforce2d 0:972874f31c98 144
iforce2d 0:972874f31c98 145 u8g_com_arduino_fast_write_data_pin( 4, val&1 );
iforce2d 0:972874f31c98 146 val >>= 1;
iforce2d 0:972874f31c98 147 u8g_com_arduino_fast_write_data_pin( 5, val&1 );
iforce2d 0:972874f31c98 148 val >>= 1;
iforce2d 0:972874f31c98 149 u8g_com_arduino_fast_write_data_pin( 6, val&1 );
iforce2d 0:972874f31c98 150 val >>= 1;
iforce2d 0:972874f31c98 151 u8g_com_arduino_fast_write_data_pin( 7, val&1 );
iforce2d 0:972874f31c98 152 val >>= 1;
iforce2d 0:972874f31c98 153 U8G_ATOMIC_END();
iforce2d 0:972874f31c98 154
iforce2d 0:972874f31c98 155 /* EN cycle time must be 1 micro second */
iforce2d 0:972874f31c98 156 u8g_com_arduino_digital_write(u8g, U8G_PI_EN, HIGH);
iforce2d 0:972874f31c98 157 u8g_MicroDelay(); /* delay by 1000ns, reference: ST7920: 140ns, SBN1661: 100ns */
iforce2d 0:972874f31c98 158 u8g_com_arduino_digital_write(u8g, U8G_PI_EN, LOW);
iforce2d 0:972874f31c98 159 u8g_10MicroDelay(); /* ST7920 commands: 72us */
iforce2d 0:972874f31c98 160 u8g_10MicroDelay(); /* ST7920 commands: 72us */
iforce2d 0:972874f31c98 161 }
iforce2d 0:972874f31c98 162
iforce2d 0:972874f31c98 163
iforce2d 0:972874f31c98 164 uint8_t u8g_com_arduino_fast_parallel_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
iforce2d 0:972874f31c98 165 {
iforce2d 0:972874f31c98 166 switch(msg)
iforce2d 0:972874f31c98 167 {
iforce2d 0:972874f31c98 168 case U8G_COM_MSG_INIT:
iforce2d 0:972874f31c98 169 u8g_com_arduino_fast_parallel_init(u8g);
iforce2d 0:972874f31c98 170 /* setup the RW pin as output and force it to low */
iforce2d 0:972874f31c98 171 if ( u8g->pin_list[U8G_PI_RW] != U8G_PIN_NONE )
iforce2d 0:972874f31c98 172 {
iforce2d 0:972874f31c98 173 pinMode(u8g->pin_list[U8G_PI_RW], OUTPUT);
iforce2d 0:972874f31c98 174 u8g_com_arduino_digital_write(u8g, U8G_PI_RW, LOW);
iforce2d 0:972874f31c98 175 }
iforce2d 0:972874f31c98 176 /* set all pins (except RW pin) */
iforce2d 0:972874f31c98 177 u8g_com_arduino_assign_pin_output_high(u8g);
iforce2d 0:972874f31c98 178 break;
iforce2d 0:972874f31c98 179 case U8G_COM_MSG_STOP:
iforce2d 0:972874f31c98 180 break;
iforce2d 0:972874f31c98 181
iforce2d 0:972874f31c98 182 case U8G_COM_MSG_CHIP_SELECT:
iforce2d 0:972874f31c98 183 if ( arg_val == 0 )
iforce2d 0:972874f31c98 184 {
iforce2d 0:972874f31c98 185 /* disable */
iforce2d 0:972874f31c98 186 u8g_com_arduino_digital_write(u8g, U8G_PI_CS1, HIGH);
iforce2d 0:972874f31c98 187 u8g_com_arduino_digital_write(u8g, U8G_PI_CS2, HIGH);
iforce2d 0:972874f31c98 188 }
iforce2d 0:972874f31c98 189 else if ( arg_val == 1 )
iforce2d 0:972874f31c98 190 {
iforce2d 0:972874f31c98 191 /* enable */
iforce2d 0:972874f31c98 192 u8g_com_arduino_digital_write(u8g, U8G_PI_CS1, LOW);
iforce2d 0:972874f31c98 193 u8g_com_arduino_digital_write(u8g, U8G_PI_CS2, HIGH);
iforce2d 0:972874f31c98 194 }
iforce2d 0:972874f31c98 195 else if ( arg_val == 2 )
iforce2d 0:972874f31c98 196 {
iforce2d 0:972874f31c98 197 /* enable */
iforce2d 0:972874f31c98 198 u8g_com_arduino_digital_write(u8g, U8G_PI_CS1, HIGH);
iforce2d 0:972874f31c98 199 u8g_com_arduino_digital_write(u8g, U8G_PI_CS2, LOW);
iforce2d 0:972874f31c98 200 }
iforce2d 0:972874f31c98 201 else
iforce2d 0:972874f31c98 202 {
iforce2d 0:972874f31c98 203 /* enable */
iforce2d 0:972874f31c98 204 u8g_com_arduino_digital_write(u8g, U8G_PI_CS1, LOW);
iforce2d 0:972874f31c98 205 u8g_com_arduino_digital_write(u8g, U8G_PI_CS2, LOW);
iforce2d 0:972874f31c98 206 }
iforce2d 0:972874f31c98 207 break;
iforce2d 0:972874f31c98 208 case U8G_COM_MSG_WRITE_BYTE:
iforce2d 0:972874f31c98 209 u8g_com_arduino_fast_parallel_write(u8g, arg_val);
iforce2d 0:972874f31c98 210 break;
iforce2d 0:972874f31c98 211 case U8G_COM_MSG_WRITE_SEQ:
iforce2d 0:972874f31c98 212 {
iforce2d 0:972874f31c98 213 register uint8_t *ptr = arg_ptr;
iforce2d 0:972874f31c98 214 while( arg_val > 0 )
iforce2d 0:972874f31c98 215 {
iforce2d 0:972874f31c98 216 u8g_com_arduino_fast_parallel_write(u8g, *ptr++);
iforce2d 0:972874f31c98 217 arg_val--;
iforce2d 0:972874f31c98 218 }
iforce2d 0:972874f31c98 219 }
iforce2d 0:972874f31c98 220 break;
iforce2d 0:972874f31c98 221 case U8G_COM_MSG_WRITE_SEQ_P:
iforce2d 0:972874f31c98 222 {
iforce2d 0:972874f31c98 223 register uint8_t *ptr = arg_ptr;
iforce2d 0:972874f31c98 224 while( arg_val > 0 )
iforce2d 0:972874f31c98 225 {
iforce2d 0:972874f31c98 226 u8g_com_arduino_fast_parallel_write(u8g, u8g_pgm_read(ptr));
iforce2d 0:972874f31c98 227 ptr++;
iforce2d 0:972874f31c98 228 arg_val--;
iforce2d 0:972874f31c98 229 }
iforce2d 0:972874f31c98 230 }
iforce2d 0:972874f31c98 231 break;
iforce2d 0:972874f31c98 232 case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
iforce2d 0:972874f31c98 233 u8g_com_arduino_digital_write(u8g, U8G_PI_DI, arg_val);
iforce2d 0:972874f31c98 234 break;
iforce2d 0:972874f31c98 235 case U8G_COM_MSG_RESET:
iforce2d 0:972874f31c98 236 if ( u8g->pin_list[U8G_PI_RESET] != U8G_PIN_NONE )
iforce2d 0:972874f31c98 237 u8g_com_arduino_digital_write(u8g, U8G_PI_RESET, arg_val);
iforce2d 0:972874f31c98 238 break;
iforce2d 0:972874f31c98 239
iforce2d 0:972874f31c98 240 }
iforce2d 0:972874f31c98 241 return 1;
iforce2d 0:972874f31c98 242 }
iforce2d 0:972874f31c98 243
iforce2d 0:972874f31c98 244 #else
iforce2d 0:972874f31c98 245
iforce2d 0:972874f31c98 246
iforce2d 0:972874f31c98 247 uint8_t u8g_com_arduino_fast_parallel_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
iforce2d 0:972874f31c98 248 {
iforce2d 0:972874f31c98 249 return 1;
iforce2d 0:972874f31c98 250 }
iforce2d 0:972874f31c98 251
iforce2d 0:972874f31c98 252
iforce2d 0:972874f31c98 253 #endif /* ARDUINO */
iforce2d 0:972874f31c98 254
iforce2d 0:972874f31c98 255