Maxim Integrated
Demo for MAXREFDES99
maxrefdes99.cpp
- Committer:
- j3
- Date:
- 2016-03-24
- Revision:
- 2:9fdd01cf0f88
- Parent:
- 0:6b0161c3e440
- Child:
- 3:41bdbc9b3cec
File content as of revision 2:9fdd01cf0f88:
/******************************************************************//**
* @file maxrefdes99.cpp
*
* @author Justin Jordan
*
* @version 0.0
*
* Started: 08JAN16
*
* Updated:
*
* @brief Source file for maxrefdes99 demo
***********************************************************************
* Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Maxim Integrated
* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
* The mere transfer of this software does not imply any licenses
* of trade secrets, proprietary technology, copyrights, patents,
* trademarks, maskwork rights, or any other form of intellectual
* property whatsoever. Maxim Integrated Products, Inc. retains all
* ownership rights.
**********************************************************************/
#include "maxrefdes99.h"
//5x7 character bit map
static const uint8_t font_5x7[95][6] = {
{0x00,0x00,0x00,0x00,0x00,0x00}, // SPACE
{0x00,0x00,0x00,0x4F,0x00,0x00}, // !
{0x00,0x00,0x07,0x00,0x07,0x00}, // "
{0x00,0x14,0x7F,0x14,0x7F,0x14}, // #
{0x00,0x24,0x2A,0x7F,0x2A,0x12}, // $
{0x00,0x23,0x13,0x08,0x64,0x62}, // %
{0x00,0x36,0x49,0x55,0x22,0x50}, // &
{0x00,0x00,0x05,0x03,0x00,0x00}, // '
{0x00,0x00,0x1C,0x22,0x41,0x00}, // (
{0x00,0x00,0x41,0x22,0x1C,0x00}, // )
{0x00,0x14,0x08,0x3E,0x08,0x14}, // *
{0x00,0x08,0x08,0x3E,0x08,0x08}, // +
{0x00,0x00,0x50,0x30,0x00,0x00}, // ,
{0x00,0x08,0x08,0x08,0x08,0x08}, // -
{0x00,0x00,0x60,0x60,0x00,0x00}, // .
{0x00,0x20,0x10,0x08,0x04,0x02}, // /
{0x00,0x3E,0x51,0x49,0x45,0x3E}, // 0
{0x00,0x00,0x42,0x7F,0x40,0x00}, // 1
{0x00,0x42,0x61,0x51,0x49,0x46}, // 2
{0x00,0x21,0x41,0x45,0x4B,0x31}, // 3
{0x00,0x18,0x14,0x12,0x7F,0x10}, // 4
{0x00,0x27,0x45,0x45,0x45,0x39}, // 5
{0x00,0x3C,0x4A,0x49,0x49,0x30}, // 6
{0x00,0x01,0x71,0x09,0x05,0x03}, // 7
{0x00,0x36,0x49,0x49,0x49,0x36}, // 8
{0x00,0x06,0x49,0x49,0x29,0x1E}, // 9
{0x00,0x36,0x36,0x00,0x00,0x00}, // :
{0x00,0x56,0x36,0x00,0x00,0x00}, // ;
{0x00,0x08,0x14,0x22,0x41,0x00}, // <
{0x00,0x14,0x14,0x14,0x14,0x14}, // =
{0x00,0x00,0x41,0x22,0x14,0x08}, // >
{0x00,0x02,0x01,0x51,0x09,0x06}, // ?
{0x00,0x30,0x49,0x79,0x41,0x3E}, // @
{0x00,0x7E,0x11,0x11,0x11,0x7E}, // A
{0x00,0x7F,0x49,0x49,0x49,0x36}, // B
{0x00,0x3E,0x41,0x41,0x41,0x22}, // C
{0x00,0x7F,0x41,0x41,0x22,0x1C}, // D
{0x00,0x7F,0x49,0x49,0x49,0x41}, // E
{0x00,0x7F,0x09,0x09,0x09,0x01}, // F
{0x00,0x3E,0x41,0x49,0x49,0x7A}, // G
{0x00,0x7F,0x08,0x08,0x08,0x7F}, // H
{0x00,0x00,0x41,0x7F,0x41,0x00}, // I
{0x00,0x20,0x40,0x41,0x3F,0x01}, // J
{0x00,0x7F,0x08,0x14,0x22,0x41}, // K
{0x00,0x7F,0x40,0x40,0x40,0x40}, // L
{0x00,0x7F,0x02,0x0C,0x02,0x7F}, // M
{0x00,0x7F,0x04,0x08,0x10,0x7F}, // N
{0x00,0x3E,0x41,0x41,0x41,0x3E}, // O
{0x00,0x7F,0x09,0x09,0x09,0x06}, // P
{0x00,0x3E,0x41,0x51,0x21,0x5E}, // Q
{0x00,0x7F,0x09,0x19,0x29,0x46}, // R
{0x00,0x46,0x49,0x49,0x49,0x31}, // S
{0x00,0x01,0x01,0x7F,0x01,0x01}, // T
{0x00,0x3F,0x40,0x40,0x40,0x3F}, // U
{0x00,0x1F,0x20,0x40,0x20,0x1F}, // V
{0x00,0x3F,0x40,0x30,0x40,0x3F}, // W
{0x00,0x63,0x14,0x08,0x14,0x63}, // X
{0x00,0x07,0x08,0x70,0x08,0x07}, // Y
{0x00,0x61,0x51,0x49,0x45,0x43}, // Z
{0x00,0x00,0x7F,0x41,0x41,0x00}, // [
{0x00,0x02,0x04,0x08,0x10,0x20}, // backslash
{0x00,0x00,0x41,0x41,0x7F,0x00}, // ]
{0x00,0x04,0x02,0x01,0x02,0x04}, // ^
{0x00,0x40,0x40,0x40,0x40,0x40}, // _
{0x00,0x00,0x01,0x02,0x04,0x00}, // `
{0x00,0x20,0x54,0x54,0x54,0x78}, // a
{0x00,0x7F,0x50,0x48,0x48,0x30}, // b
{0x00,0x38,0x44,0x44,0x44,0x20}, // c
{0x00,0x38,0x44,0x44,0x48,0x7F}, // d
{0x00,0x38,0x54,0x54,0x54,0x18}, // e
{0x00,0x08,0x7E,0x09,0x01,0x02}, // f
{0x00,0x0C,0x52,0x52,0x52,0x3E}, // g
{0x00,0x7F,0x08,0x04,0x04,0x78}, // h
{0x00,0x00,0x44,0x7D,0x40,0x00}, // i
{0x00,0x20,0x40,0x44,0x3D,0x00}, // j
{0x00,0x7F,0x10,0x28,0x44,0x00}, // k
{0x00,0x00,0x41,0x7F,0x40,0x00}, // l
{0x00,0x78,0x04,0x58,0x44,0x78}, // m
{0x00,0x7C,0x08,0x04,0x04,0x78}, // n
{0x00,0x38,0x44,0x44,0x44,0x38}, // o
{0x00,0x7C,0x14,0x14,0x14,0x08}, // p
{0x00,0x08,0x14,0x14,0x18,0x7C}, // q
{0x00,0x7C,0x08,0x04,0x04,0x08}, // r
{0x00,0x48,0x54,0x54,0x54,0x20}, // s
{0x00,0x04,0x3F,0x44,0x40,0x20}, // t
{0x00,0x3C,0x40,0x40,0x20,0x7C}, // u
{0x00,0x1C,0x20,0x40,0x20,0x1C}, // v
{0x00,0x3C,0x40,0x30,0x40,0x3C}, // w
{0x00,0x44,0x28,0x10,0x28,0x44}, // x
{0x00,0x0C,0x50,0x50,0x50,0x3C}, // y
{0x00,0x44,0x64,0x54,0x4C,0x44}, // z
{0x00,0x00,0x08,0x36,0x41,0x00}, // {
{0x00,0x00,0x00,0x7F,0x00,0x00}, // |
{0x00,0x00,0x41,0x36,0x08,0x00}, // }
{0x00,0x0C,0x02,0x0C,0x10,0x0C} // ~
};
static uint8_t display_buff[256];
static uint8_t temp_buff[256];
static const uint8_t DISPLAY_BUFF_START = 0;
static const uint8_t DISPLAY_BUFF_END = 31;
static uint8_t buff_end = 0;
static const uint32_t MAX_STRING_LENGTH = 32;
static char str[MAX_STRING_LENGTH];
//*********************************************************************
void get_5x7_character(char c, uint8_t *char_buff)
{
uint16_t temp_data;
uint8_t idx, idy;
for(idx = 0; idx < 6; idx++)
{
//get byte of char from map and flip it, bit 0 becomes bit 7 and so on
temp_data = (0x00FF & (font_5x7[c - 0x20][idx]));
for(idy = 0; idy < 8; idy++)
{
temp_data = (temp_data | (((temp_data & (1 << idy)) << (15 - (idy*2)))));
}
temp_data = ((temp_data >> 8) & 0x00FF);
char_buff[idx] = ((uint8_t) temp_data);
}
}
//*********************************************************************
void print_char(Max7219 *p_display, uint8_t position99, char c)
{
uint8_t idx;
uint8_t char_buff[6];
uint8_t device;
uint8_t wrap_device;
uint8_t wrap_idx;
uint8_t buff_start = position99;
get_5x7_character(c, char_buff);
if(position99 < 33)
{
//get device and device_position
if(position99 > 8)
{
if(position99%8)
{
device = ((position99/8) + 1);
position99 = position99%8;
}
else
{
device = position99/8;
position99 = 8;
}
}
else
{
device = 1;
}
//check for dispaly wrap around
//(moving to next 8x8 grid cause character doesn't fit on current one)
if(position99 > 3)
{
wrap_idx = (9 - position99);
if(device < 4)
{
wrap_device = (device + 1);
}
else
{
wrap_device = 1;
}
}
else
{
wrap_idx = 6; //make bigger than idx, not used
wrap_device = 0; //not used
}
//print character to position
for(idx = 0; idx < 6; idx++)
{
//check for wrap
if((idx >= wrap_idx) && (device != 4))
{
p_display->write_digit(wrap_device, ((idx - wrap_idx) + 1), char_buff[idx]);
}
else
{
p_display->write_digit(device, (position99 + idx), char_buff[idx]);
}
buff_end = ((buff_start - 1) + idx);
display_buff[buff_end] = char_buff[idx];
}
}
else
{
for(idx = 0; idx < 6; idx++)
{
buff_end = ((buff_start - 1) + idx);
display_buff[buff_end] = char_buff[idx];
}
}
}
//*********************************************************************
void print_string(Max7219 *p_display, uint8_t position, const char *s)
{
uint8_t idx = 0;
while(s[idx] != '\0')
{
print_char(p_display, (position + (idx*6)), s[idx]);
idx++;
}
}
//*********************************************************************
void shift_display_right(Max7219 *p_display, uint8_t count, uint8_t ms_delay)
{
uint16_t idx, idy;
uint8_t position99;
for(idx = 0; idx < count; idx++)
{
for(idy = 0; idy < (buff_end + 1); idy++)
{
if(idy == buff_end)
{
temp_buff[0] = display_buff[idy];
}
else
{
temp_buff[idy + 1] = display_buff[idy];
}
}
for(idy = 0; idy < (buff_end + 1); idy++)
{
//save shifted display in buffer
display_buff[idy] = temp_buff[idy];
if(idy <= DISPLAY_BUFF_END)
{
position99 = ((idy - DISPLAY_BUFF_START) + 1);
if(position99 > 24)
{
if(position99 % 8)
{
position99 = position99 % 8;
}
else
{
position99 = 8;
}
p_display->write_digit(4, position99, display_buff[idy]);
}
else if(position99 > 16)
{
if(position99 % 8)
{
position99 = position99 % 8;
}
else
{
position99 = 8;
}
p_display->write_digit(3, position99, display_buff[idy]);
}
else if(position99 > 8)
{
if(position99 % 8)
{
position99 = position99 % 8;
}
else
{
position99 = 8;
}
p_display->write_digit(2, position99, display_buff[idy]);
}
else
{
p_display->write_digit(1, position99, display_buff[idy]);
}
}
}
wait_ms(ms_delay);
}
}
//*********************************************************************
void shift_display_left(Max7219 *p_display, uint8_t count, uint8_t ms_delay)
{
uint16_t idx, idy;
uint8_t position99;
for(idx = 0; idx < count; idx++)
{
for(idy = 0; idy < (buff_end + 1); idy++)
{
if(idy == 0)
{
temp_buff[buff_end] = display_buff[idy];
}
else
{
temp_buff[idy - 1] = display_buff[idy];
}
}
for(idy = 0; idy < (buff_end + 1); idy++)
{
//save shifted display in buffer
display_buff[idy] = temp_buff[idy];
if(idy <= DISPLAY_BUFF_END)
{
position99 = ((idy - DISPLAY_BUFF_START) + 1);
if(position99 > 24)
{
if(position99 % 8)
{
position99 = position99 % 8;
}
else
{
position99 = 8;
}
p_display->write_digit(4, position99, display_buff[idy]);
}
else if(position99 > 16)
{
if(position99 % 8)
{
position99 = position99 % 8;
}
else
{
position99 = 8;
}
p_display->write_digit(3, position99, display_buff[idy]);
}
else if(position99 > 8)
{
if(position99 % 8)
{
position99 = position99 % 8;
}
else
{
position99 = 8;
}
p_display->write_digit(2, position99, display_buff[idy]);
}
else
{
p_display->write_digit(1, position99, display_buff[idy]);
}
}
}
wait_ms(ms_delay);
}
}
//*********************************************************************
void quad_all_on(Max7219 *p_display, uint8_t quad)
{
if(quad > 1)
{
for(uint8_t idx = 0; idx < 8; idx++)
{
display_buff[((quad - 1)*8) + DISPLAY_BUFF_START + idx] = 0xFF;
}
}
else
{
for(uint8_t idx = 0; idx < 8; idx++)
{
display_buff[idx + DISPLAY_BUFF_START] = 0xFF;
}
}
if(buff_end < (quad * 8))
{
buff_end = (quad * 8);
}
p_display->device_all_on(quad);
}
//*********************************************************************
void quad_all_off(Max7219 *p_display, uint8_t quad)
{
if(quad > 1)
{
for(uint8_t idx = 0; idx < 8; idx++)
{
display_buff[((quad - 1)*8) + DISPLAY_BUFF_START + idx] = 0;
}
}
else
{
for(uint8_t idx = 0; idx < 8; idx++)
{
display_buff[idx + DISPLAY_BUFF_START] = 0;
}
}
//is buff_end in the quad?
if((((quad - 1) * 8) < buff_end) && ((quad * 8) > buff_end))
{
buff_end = ((quad - 1) * 8);
}
//leave it alone otherwise
p_display->device_all_off(quad);
}
//*********************************************************************
void all_on(Max7219 *p_display)
{
for(uint16_t idx = 0; idx < 32; idx++)
{
display_buff[idx] = 0xFF;
}
if(buff_end < 32)
{
buff_end = 32;
}
p_display->display_all_on();
}
//*********************************************************************
void all_off(Max7219 *p_display)
{
for(uint16_t idx = 0; idx < 32; idx++)
{
display_buff[idx] = 0;
}
if(buff_end < 32)
{
buff_end = 0;
}
p_display->display_all_off();
}
//*********************************************************************
void demo(Max7219 *display, max7219_configuration_t display_config, bool endless_loop)
{
uint8_t position = 1;
uint8_t idx = 0;
do
{
all_off(display);
if(position > 25)
{
position = 1;
}
printf("\nPosition = %d\n", position);
for(idx = 0x20; idx < 0x7F; idx++)
{
print_char(display, position, (char) idx);
wait(0.25);
}
position = (position + 8);
all_on(display);
for(idx = 0; idx < 16; idx++)
{
display_config.intensity = 15 - idx;
display->init_display(display_config);
wait_ms(50);
}
for(idx = 0; idx < 16; idx++)
{
display_config.intensity = idx;
display->init_display(display_config);
wait_ms(100);
}
wait_ms(100);
all_off(display);
wait_ms(100);
quad_all_on(display, 1);
wait_ms(500);
shift_display_right(display, 32, 100);
shift_display_left(display, 32, 100);
all_off(display);
wait_ms(100);
print_string(display, 1, "Maxim");
wait_ms(100);
shift_display_right(display, 32, 100);
shift_display_left(display, 32, 100);
wait_ms(100);
}
while(endless_loop);
}
//*********************************************************************
void endless_scroll_display(Max7219 *display, uint32_t scroll_right)
{
if(scroll_right)
{
printf("\nScrolling Right\n");
while(1)
{
shift_display_right(display, 1, 100);
}
}
else
{
printf("\nScrolling Left\n");
while(1)
{
shift_display_left(display, 1, 100);
}
}
}
//*********************************************************************
uint32_t print_menu(void)
{
uint32_t user_input;
printf("\nPlease select an option below:\n");
printf("%t1. Set Brightness\n");
printf("%t2. Print a characther to given position\n");
printf("%t3. Print a string to position\n");//TODO fix this case
printf("%t4. Shift display given number of position and direction\n"); //TODO fix this case
printf("%t5. Clear display\n");
printf("%t6. Run the Demo Rotuine\n");
printf("%t7. Run the Demo Rotuine In Endless Loop\n");
printf("%t8. Scroll Display In Endless Loop, left or right\n");
printf("%t9. Quit\n\n");
user_input = get_user_input(NULL, 9);
return(user_input);
}
//*********************************************************************
uint32_t get_user_input(char *msg, uint32_t max_val)
{
uint32_t user_input;
do
{
printf(msg);
//get user input
fgets(str, MAX_STRING_LENGTH, stdin);
//Remove trailing newline and CR, if there.
if((strlen(str) > 0 ) && (str[strlen(str) - 1] == 0x0A) && (str[strlen(str) - 2] == 0x0D))
{
str[strlen(str) - 1] = '\0';
str[strlen(str) - 1] = '\0';
}
user_input = strtoul(str, NULL, 0);
printf("\nYou entered = %d\n", user_input);
if(user_input > max_val)
{
printf("\nOut of range\n");
}
}
while(user_input > max_val);
return(user_input);
}
//*********************************************************************
char get_user_char(char *msg)
{
do
{
printf(msg);
//get user input
fgets(str, 4, stdin);
//Remove trailing newline and CR, if there.
if((strlen(str) > 0 ) && (str[strlen(str) - 1] == 0x0A) && (str[strlen(str) - 2] == 0x0D))
{
str[strlen(str) - 1] = '\0';
str[strlen(str) - 1] = '\0';
}
printf("\nYou entered = %c\n", str[0]);
if((str[0] < 0x20) || (str[0] > 0x7E))
{
printf("\nOut of range\n");
}
}
while((str[0] < 0x20) || (str[0] > 0x7E));
return(str[0]);
}
//*********************************************************************
char * get_user_string(char *msg)
{
printf(msg);
//get user input
fgets(str, MAX_STRING_LENGTH, stdin);
//Remove trailing newline and CR, if there.
if((strlen(str) > 0 ) && (str[strlen(str) - 1] == 0x0A) && (str[strlen(str) - 2] == 0x0D))
{
str[strlen(str) - 1] = '\0';
str[strlen(str) - 1] = '\0';
}
return(str);
}