Tapio Valli / Mbed 2 deprecated LoadCell_STM32

Data sample and LCD plot

Dependencies:   BSP_DISCO_F746NG LCD_DISCO_F746NG SDRAM_DISCO_F746NG mbed

main.cpp@1:c3c61d08f31b, 2018-02-23 (annotated)

Committer:
tapiov
Date:
Fri Feb 23 16:56:03 2018 +0000
Revision:
1:c3c61d08f31b
Parent:
0:b3e6088c873f
Child:
2:386f65563144
First version. Parametrized, mainly working. Not fully tested.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tapiov 1:c3c61d08f31b 1 // LoadCell_STM32_RAM v2 main
tapiov 1:c3c61d08f31b 2 // (C) Tapio Valli 2018-02-17
tapiov 0:b3e6088c873f 3
tapiov 1:c3c61d08f31b 4 #include "mbed.h"
tapiov 1:c3c61d08f31b 5 #include <mbed_stats.h>
tapiov 1:c3c61d08f31b 6 #include "mbed_mem_trace.h"
tapiov 1:c3c61d08f31b 7
tapiov 1:c3c61d08f31b 8 #include "LCD_DISCO_F746NG.h"
tapiov 0:b3e6088c873f 9
tapiov 1:c3c61d08f31b 10 #include <stdint.h>
tapiov 1:c3c61d08f31b 11 #include <stdio.h>
tapiov 1:c3c61d08f31b 12 #include <stdlib.h>
tapiov 1:c3c61d08f31b 13 #include <string.h>
tapiov 1:c3c61d08f31b 14 #include <assert.h>
tapiov 1:c3c61d08f31b 15 #include <ctype.h>
tapiov 0:b3e6088c873f 16
tapiov 1:c3c61d08f31b 17 #include "main.h"
tapiov 0:b3e6088c873f 18
tapiov 1:c3c61d08f31b 19 // define the Serial object
tapiov 1:c3c61d08f31b 20 Serial pc1(USBTX, USBRX);
tapiov 1:c3c61d08f31b 21 LCD_DISCO_F746NG lcd1;
tapiov 0:b3e6088c873f 22
tapiov 0:b3e6088c873f 23
tapiov 1:c3c61d08f31b 24 // Global heap stats
tapiov 1:c3c61d08f31b 25 mbed_stats_heap_t heap_stats;
tapiov 1:c3c61d08f31b 26 //mbed_stats_stack_t stack_stats;
tapiov 1:c3c61d08f31b 27 //mbed_mem_trace_cb_t mem_trace_result;
tapiov 1:c3c61d08f31b 28
tapiov 1:c3c61d08f31b 29 // Mem trace callback
tapiov 1:c3c61d08f31b 30 // mbed_mem_trace_cb_t mem_trace(void)
tapiov 1:c3c61d08f31b 31 // {
tapiov 1:c3c61d08f31b 32 // pc1.printf("Heap = %lu, Max = %lu Percentage = %lu \r\n",
tapiov 1:c3c61d08f31b 33 // heap_stats.current_size,heap_stats.max_size,
tapiov 1:c3c61d08f31b 34 // (100*(heap_stats.current_size/heap_stats.max_size)));
tapiov 1:c3c61d08f31b 35
tapiov 1:c3c61d08f31b 36 // pc1.printf("Stack = %lu, Max = %lu Percentage = %lu \r\n",
tapiov 1:c3c61d08f31b 37 // stack_stats.reserved_size,stack_stats.max_size,
tapiov 1:c3c61d08f31b 38 // (100*(stack_stats.reserved_size/stack_stats.max_size)));
tapiov 1:c3c61d08f31b 39 //}
tapiov 0:b3e6088c873f 40
tapiov 0:b3e6088c873f 41 int main() {
tapiov 1:c3c61d08f31b 42
tapiov 1:c3c61d08f31b 43 char CmdBuffer[30];
tapiov 1:c3c61d08f31b 44 char Arg[30]=" ";
tapiov 1:c3c61d08f31b 45 char Cmd[30]=" ";
tapiov 0:b3e6088c873f 46
tapiov 1:c3c61d08f31b 47 uint32_t NoOfPoints=19200;
tapiov 1:c3c61d08f31b 48 uint32_t AvgSize=10;
tapiov 1:c3c61d08f31b 49 uint32_t Period_us=100;
tapiov 1:c3c61d08f31b 50 uint32_t Count_ms=1000;
tapiov 1:c3c61d08f31b 51
tapiov 1:c3c61d08f31b 52 // mbed_mem_trace_set_callback(mem_trace);
tapiov 1:c3c61d08f31b 53
tapiov 1:c3c61d08f31b 54 // Clear screen, set it up
tapiov 1:c3c61d08f31b 55 InitScreen(LCD_COLOR_BLACK,LCD_COLOR_WHITE);
tapiov 0:b3e6088c873f 56
tapiov 1:c3c61d08f31b 57 //Initialize data storage
tapiov 1:c3c61d08f31b 58 Array Data;
tapiov 1:c3c61d08f31b 59 initArray(&Data,NoOfPoints); // initially 19200 elements
tapiov 0:b3e6088c873f 60
tapiov 1:c3c61d08f31b 61 while (Cmd!="quit") {
tapiov 1:c3c61d08f31b 62
tapiov 1:c3c61d08f31b 63 // Print Ready and current settings
tapiov 1:c3c61d08f31b 64 pc1.printf("Ready. Settings are Points = %u, Avg = %u, Period_us = %u, Count_ms = %u \r\n",
tapiov 1:c3c61d08f31b 65 NoOfPoints,AvgSize,Period_us,Count_ms);
tapiov 0:b3e6088c873f 66
tapiov 1:c3c61d08f31b 67 mbed_stats_heap_get(&heap_stats);
tapiov 1:c3c61d08f31b 68 pc1.printf("Heap = %lu, Max = %lu Percentage = %lu \r\n",
tapiov 1:c3c61d08f31b 69 heap_stats.current_size,heap_stats.max_size,
tapiov 1:c3c61d08f31b 70 (100*(heap_stats.current_size/heap_stats.max_size)));
tapiov 1:c3c61d08f31b 71
tapiov 1:c3c61d08f31b 72 pc1.gets(CmdBuffer,30);
tapiov 1:c3c61d08f31b 73 // pc1.printf("I got %s \r\n", CmdBuffer);
tapiov 1:c3c61d08f31b 74 strcpy(Cmd," ");
tapiov 1:c3c61d08f31b 75 strcpy(Arg," ");
tapiov 1:c3c61d08f31b 76
tapiov 1:c3c61d08f31b 77 // Parse command and possible numeric arg
tapiov 1:c3c61d08f31b 78 char s[] = "Initial string";
tapiov 1:c3c61d08f31b 79 char ** word_array = NULL;
tapiov 1:c3c61d08f31b 80
tapiov 1:c3c61d08f31b 81 strcpy(s,CmdBuffer);
tapiov 1:c3c61d08f31b 82 size_t n = string_parser(s, &word_array );
tapiov 1:c3c61d08f31b 83
tapiov 1:c3c61d08f31b 84 for ( size_t i = 0; i < n; i++ ) {
tapiov 1:c3c61d08f31b 85 if (i==0) {strcpy(Cmd,word_array[i]);}
tapiov 1:c3c61d08f31b 86 if (i==1) {strcpy(Arg,word_array[i]);}
tapiov 1:c3c61d08f31b 87 if (i>1) {pc1.printf("Wrong number of arguments \r\n");}
tapiov 0:b3e6088c873f 88 }
tapiov 0:b3e6088c873f 89
tapiov 1:c3c61d08f31b 90 // pc1.printf("Cmd = %s Arg = %s \r\n",Cmd,Arg);
tapiov 1:c3c61d08f31b 91 for ( size_t i = 0; i < n; i++ ) free( word_array[i] );
tapiov 1:c3c61d08f31b 92 free( word_array );
tapiov 1:c3c61d08f31b 93
tapiov 1:c3c61d08f31b 94 // Branch based on command
tapiov 1:c3c61d08f31b 95 // meas: Sample and plot a data set
tapiov 1:c3c61d08f31b 96 if(strcmp(Cmd,"meas") == 0) {
tapiov 1:c3c61d08f31b 97
tapiov 1:c3c61d08f31b 98 // Countdown
tapiov 1:c3c61d08f31b 99 CountDown(Count_ms);
tapiov 1:c3c61d08f31b 100
tapiov 1:c3c61d08f31b 101 // Sample & plot data one time
tapiov 1:c3c61d08f31b 102 SamplePoints(&Data,NoOfPoints,Period_us);
tapiov 1:c3c61d08f31b 103
tapiov 1:c3c61d08f31b 104 AvgAndPlotPoints(&Data,NoOfPoints,AvgSize);
tapiov 1:c3c61d08f31b 105 }
tapiov 0:b3e6088c873f 106
tapiov 1:c3c61d08f31b 107 // setpoints: Adjust sampled points
tapiov 1:c3c61d08f31b 108 else if(strcmp(Cmd,"setpoints") == 0) {
tapiov 1:c3c61d08f31b 109 // Allocate more or less data space
tapiov 1:c3c61d08f31b 110 NoOfPoints=(uint32_t) strtol(Arg,NULL,10);
tapiov 1:c3c61d08f31b 111 insertArray(&Data,NoOfPoints);
tapiov 1:c3c61d08f31b 112 }
tapiov 1:c3c61d08f31b 113
tapiov 1:c3c61d08f31b 114 // setavg: Adjust average amount in samples
tapiov 1:c3c61d08f31b 115 else if(strcmp(Cmd,"setavg") == 0) {
tapiov 1:c3c61d08f31b 116 AvgSize=(uint32_t) strtol(Arg,NULL,10);
tapiov 1:c3c61d08f31b 117 }
tapiov 1:c3c61d08f31b 118
tapiov 1:c3c61d08f31b 119 // setperiod: Adjust sample period in us
tapiov 1:c3c61d08f31b 120 else if(strcmp(Cmd,"setperiod") == 0) {
tapiov 1:c3c61d08f31b 121 Period_us=(uint32_t) strtol(Arg,NULL,10);
tapiov 1:c3c61d08f31b 122 }
tapiov 1:c3c61d08f31b 123
tapiov 1:c3c61d08f31b 124 // setcount: Adjust countdown period in ms
tapiov 1:c3c61d08f31b 125 else if(strcmp(Cmd,"setcount") == 0) {
tapiov 1:c3c61d08f31b 126 Count_ms=(uint32_t) strtol(Arg,NULL,10);
tapiov 1:c3c61d08f31b 127 }
tapiov 1:c3c61d08f31b 128 }
tapiov 1:c3c61d08f31b 129
tapiov 1:c3c61d08f31b 130 // Free memory after quit
tapiov 1:c3c61d08f31b 131 freeArray(&Data);
tapiov 1:c3c61d08f31b 132 pc1.printf("Exit. Data freed. \r\n", CmdBuffer);
tapiov 1:c3c61d08f31b 133
tapiov 1:c3c61d08f31b 134 // Infinite loop
tapiov 1:c3c61d08f31b 135 while(1)
tapiov 1:c3c61d08f31b 136 {
tapiov 1:c3c61d08f31b 137 // Do nothing
tapiov 0:b3e6088c873f 138 }
tapiov 0:b3e6088c873f 139 }