Jon Freeman / Mbed 2 deprecated Alternator2020_06

Code for 'Smart Regulator' featured in 'Model Engineer', November 2020 on. Contains all work to August 2020 including all code described. Top level algorithm development is quite spares, leaving some work for you! Any questions - jon@jons-workshop.com

Dependencies:   mbed BufferedSerial Servo2 PCT2075 I2CEeprom FastPWM

i2c_2020_06.cpp@3:43cb067ecd00, 2020-07-27 (annotated)

Committer:
JonFreeman
Date:
Mon Jul 27 08:44:59 2020 +0000
Revision:
3:43cb067ecd00
End of July after good day out at Ashton Court

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JonFreeman 3:43cb067ecd00 1 #include "mbed.h"
JonFreeman 3:43cb067ecd00 2 #include "Alternator.h"
JonFreeman 3:43cb067ecd00 3 #include "I2CEeprom.h"
JonFreeman 3:43cb067ecd00 4
JonFreeman 3:43cb067ecd00 5 const int settings_ee_addr = eeprom_page * eeprom_page_size;
JonFreeman 3:43cb067ecd00 6
JonFreeman 3:43cb067ecd00 7 /*struct sldandt {
JonFreeman 3:43cb067ecd00 8 const uint32_t min, max, de_fault; // min, max, default
JonFreeman 3:43cb067ecd00 9 const char * txt; // description
JonFreeman 3:43cb067ecd00 10 char val;
JonFreeman 3:43cb067ecd00 11 } ;
JonFreeman 3:43cb067ecd00 12 */
JonFreeman 3:43cb067ecd00 13 const char tabletext[] = "User Table entry 0 to 100";
JonFreeman 3:43cb067ecd00 14 extern const int numof_op_modes;
JonFreeman 3:43cb067ecd00 15
JonFreeman 3:43cb067ecd00 16 struct sldandt option_list[] = {
JonFreeman 3:43cb067ecd00 17 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 0
JonFreeman 3:43cb067ecd00 18 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 1
JonFreeman 3:43cb067ecd00 19 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 2
JonFreeman 3:43cb067ecd00 20 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 3
JonFreeman 3:43cb067ecd00 21 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 4
JonFreeman 3:43cb067ecd00 22 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 5
JonFreeman 3:43cb067ecd00 23 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 6
JonFreeman 3:43cb067ecd00 24 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 7
JonFreeman 3:43cb067ecd00 25 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 8
JonFreeman 3:43cb067ecd00 26 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 9
JonFreeman 3:43cb067ecd00 27 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 10
JonFreeman 3:43cb067ecd00 28 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 11
JonFreeman 3:43cb067ecd00 29 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 12
JonFreeman 3:43cb067ecd00 30 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 13
JonFreeman 3:43cb067ecd00 31 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 14
JonFreeman 3:43cb067ecd00 32 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 15
JonFreeman 3:43cb067ecd00 33 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 16
JonFreeman 3:43cb067ecd00 34 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 17
JonFreeman 3:43cb067ecd00 35 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 18
JonFreeman 3:43cb067ecd00 36 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 19
JonFreeman 3:43cb067ecd00 37 {0, 100, 0, tabletext}, // Field Current Limit User Entry Table position 20
JonFreeman 3:43cb067ecd00 38 {0, 120, 3, "Engine warn-up delay seconds"},
JonFreeman 3:43cb067ecd00 39 {0, 100, 20, "Warmup servo position percent"},
JonFreeman 3:43cb067ecd00 40 {0, numof_op_modes - 1, 0, "Operating Mode - 0=Engine Only test, 1=Const Voltage, 2=Var Voltage, 3=Current feedback"},
JonFreeman 3:43cb067ecd00 41 {20, 100, 50, "Engine speed control 'P' adjust"},
JonFreeman 3:43cb067ecd00 42 {0, 1, 0, "0 Servo normal, 1 reverse"},
JonFreeman 3:43cb067ecd00 43 {0, 100, 0, "Future 26"},
JonFreeman 3:43cb067ecd00 44 {0, 100, 0, "Future 27"},
JonFreeman 3:43cb067ecd00 45 {0, 100, 0, "Future 28"},
JonFreeman 3:43cb067ecd00 46 {0, 100, 0, "Future 29"},
JonFreeman 3:43cb067ecd00 47 {0, 100, 0, "Future 30"},
JonFreeman 3:43cb067ecd00 48 {0, 100, 0, "Future 31"},
JonFreeman 3:43cb067ecd00 49 } ;
JonFreeman 3:43cb067ecd00 50
JonFreeman 3:43cb067ecd00 51 /*enum {TABL0, TABL1, TABL2, TABL3, TABL4, TABL5, TABL6, TABL7, TABL8, TABL9, TABL10, TABL11, TABL12, TABL13, TABL14, TABL15, TABL16,
JonFreeman 3:43cb067ecd00 52 TABL17, TABL18, TABL19, TABL20,
JonFreeman 3:43cb067ecd00 53 WARM_UP_DELAY, WARMUP_SERVO_POS, OP_MODE, SPEED_CTRL_P, SERVO_DIR, FUT30, FUT31 } ;
JonFreeman 3:43cb067ecd00 54 */
JonFreeman 3:43cb067ecd00 55 const int numof_eeprom_options = sizeof(option_list) / sizeof (struct sldandt);
JonFreeman 3:43cb067ecd00 56
JonFreeman 3:43cb067ecd00 57
JonFreeman 3:43cb067ecd00 58 //I2CEeprom eeprom (SDA_PIN, SCL_PIN, 0xa0, eeprom_page_size, 8192, 100000);
JonFreeman 3:43cb067ecd00 59 extern I2CEeprom eeprom; // (SDA_PIN, SCL_PIN, 0xa0, eeprom_page_size, 8192, 100000);
JonFreeman 3:43cb067ecd00 60
JonFreeman 3:43cb067ecd00 61 /*
JonFreeman 3:43cb067ecd00 62 class ee_settings_2020 {
JonFreeman 3:43cb067ecd00 63 char new_settings[eeprom_page_size + 2];
JonFreeman 3:43cb067ecd00 64 public:
JonFreeman 3:43cb067ecd00 65 ee_settings_2020 () ; // Constructor
JonFreeman 3:43cb067ecd00 66 int load () ;
JonFreeman 3:43cb067ecd00 67 int save () ;
JonFreeman 3:43cb067ecd00 68 char rd (uint32_t i) ;
JonFreeman 3:43cb067ecd00 69 bool wr (char c, uint32_t i) ; // Write one setup char value to private buffer 'settings'
JonFreeman 3:43cb067ecd00 70 } ;
JonFreeman 3:43cb067ecd00 71 */
JonFreeman 3:43cb067ecd00 72 ee_settings_2020::ee_settings_2020 () {
JonFreeman 3:43cb067ecd00 73 // load (); // Can't use this here, causes core dump
JonFreeman 3:43cb067ecd00 74 }
JonFreeman 3:43cb067ecd00 75
JonFreeman 3:43cb067ecd00 76 int ee_settings_2020::load () {
JonFreeman 3:43cb067ecd00 77 return eeprom.read (settings_ee_addr, new_settings, eeprom_page_size);
JonFreeman 3:43cb067ecd00 78 }
JonFreeman 3:43cb067ecd00 79
JonFreeman 3:43cb067ecd00 80 int ee_settings_2020::save () { // Write to eeprom only those that need changing
JonFreeman 3:43cb067ecd00 81 int count = 0;
JonFreeman 3:43cb067ecd00 82 char tmp[eeprom_page_size + 2];
JonFreeman 3:43cb067ecd00 83 int n = eeprom.read (settings_ee_addr, tmp, eeprom_page_size);
JonFreeman 3:43cb067ecd00 84 for (int i = 0; i < eeprom_page_size; i++) {
JonFreeman 3:43cb067ecd00 85 if (new_settings[i] != tmp[i]) {
JonFreeman 3:43cb067ecd00 86 count++;
JonFreeman 3:43cb067ecd00 87 eeprom.write (settings_ee_addr + i, new_settings[i]);
JonFreeman 3:43cb067ecd00 88 }
JonFreeman 3:43cb067ecd00 89 }
JonFreeman 3:43cb067ecd00 90 return count;
JonFreeman 3:43cb067ecd00 91 }
JonFreeman 3:43cb067ecd00 92
JonFreeman 3:43cb067ecd00 93 char ee_settings_2020::rd (uint32_t i) {
JonFreeman 3:43cb067ecd00 94 return new_settings[i];
JonFreeman 3:43cb067ecd00 95 }
JonFreeman 3:43cb067ecd00 96
JonFreeman 3:43cb067ecd00 97
JonFreeman 3:43cb067ecd00 98 bool ee_settings_2020::wr (char c, uint32_t i) { // Write one setup char value to private buffer 'settings'
JonFreeman 3:43cb067ecd00 99 if (i >= eeprom_page_size)
JonFreeman 3:43cb067ecd00 100 return false;
JonFreeman 3:43cb067ecd00 101 new_settings[i] = c;
JonFreeman 3:43cb067ecd00 102 return true;
JonFreeman 3:43cb067ecd00 103 }
JonFreeman 3:43cb067ecd00 104
JonFreeman 3:43cb067ecd00 105 sldandt * ee_settings_2020::inform (uint32_t which) {
JonFreeman 3:43cb067ecd00 106 if (which >= numof_eeprom_options)
JonFreeman 3:43cb067ecd00 107 return NULL;
JonFreeman 3:43cb067ecd00 108 return &option_list[which];
JonFreeman 3:43cb067ecd00 109 }
JonFreeman 3:43cb067ecd00 110
JonFreeman 3:43cb067ecd00 111
JonFreeman 3:43cb067ecd00 112