i2c_2020_06.cpp

00001 #include "mbed.h"
00002 #include "Alternator.h"
00003 #include "I2CEeprom.h"
00004 
00005 const   int settings_ee_addr    = eeprom_page * eeprom_page_size;
00006 
00007 /*struct  sldandt  {
00008     const uint32_t     min, max, de_fault;  //  min, max, default
00009     const char * txt;     //  description
00010     char    val;
00011 }   ;
00012 */
00013 const char tabletext[] = "User Table entry 0 to 100";
00014 extern  const int numof_op_modes;
00015 
00016 struct  sldandt option_list[] = {
00017     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 0
00018     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 1
00019     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 2
00020     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 3
00021     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 4
00022     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 5
00023     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 6
00024     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 7
00025     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 8
00026     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 9
00027     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 10
00028     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 11
00029     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 12
00030     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 13
00031     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 14
00032     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 15
00033     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 16
00034     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 17
00035     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 18
00036     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 19
00037     {0, 100, 0,     tabletext},       //  Field Current Limit User Entry Table position 20
00038     {0, 120, 3,     "Engine warn-up delay seconds"},
00039     {0, 100, 20,    "Warmup servo position percent"},
00040     {0, numof_op_modes - 1, 0,     "Operating Mode - 0=Engine Only test, 1=Const Voltage, 2=Var Voltage, 3=Current feedback"},
00041     {20, 100, 50,   "Engine speed control 'P' adjust"},
00042     {0, 1, 0,       "0 Servo normal, 1 reverse"},
00043     {0, 100, 0,     "Future 26"},
00044     {0, 100, 0,     "Future 27"},
00045     {0, 100, 0,     "Future 28"},
00046     {0, 100, 0,     "Future 29"},
00047     {0, 100, 0,     "Future 30"},
00048     {0, 100, 0,     "Future 31"},
00049 }   ;
00050 
00051 /*enum    {TABL0, TABL1, TABL2, TABL3, TABL4, TABL5, TABL6, TABL7, TABL8, TABL9, TABL10, TABL11, TABL12, TABL13, TABL14, TABL15, TABL16, 
00052         TABL17, TABL18, TABL19, TABL20,   
00053         WARM_UP_DELAY, WARMUP_SERVO_POS, OP_MODE, SPEED_CTRL_P, SERVO_DIR, FUT30, FUT31 }  ;
00054 */
00055 const   int    numof_eeprom_options    = sizeof(option_list) / sizeof (struct sldandt);
00056 
00057 
00058 //I2CEeprom eeprom  (SDA_PIN, SCL_PIN, 0xa0, eeprom_page_size, 8192, 100000);
00059 extern  I2CEeprom eeprom;   //  (SDA_PIN, SCL_PIN, 0xa0, eeprom_page_size, 8192, 100000);
00060 
00061 /*
00062 class   ee_settings_2020    {
00063     char    new_settings[eeprom_page_size + 2];
00064 public:
00065     ee_settings_2020    ()  ;   //  Constructor
00066     int load    ()  ;
00067     int save    ()  ;
00068     char    rd    (uint32_t   i)  ;
00069     bool    wr   (char c, uint32_t i)  ;           //  Write one setup char value to private buffer 'settings'
00070 }   ;
00071 */
00072     ee_settings_2020::ee_settings_2020  ()  {
00073 //        load    ();   //  Can't use this here, causes core dump
00074     }  
00075     
00076 int ee_settings_2020::load    ()  {
00077     return  eeprom.read (settings_ee_addr, new_settings, eeprom_page_size);
00078 }
00079 
00080 int ee_settings_2020::save    ()  {   //  Write to eeprom only those that need changing
00081     int count = 0;
00082     char    tmp[eeprom_page_size + 2];
00083     int n = eeprom.read (settings_ee_addr, tmp, eeprom_page_size);
00084     for (int i = 0; i < eeprom_page_size; i++)  {
00085         if  (new_settings[i] != tmp[i]) {
00086             count++;
00087             eeprom.write    (settings_ee_addr + i, new_settings[i]);
00088         }
00089     }
00090     return  count;
00091 }
00092 
00093 char    ee_settings_2020::rd    (uint32_t   i)  {
00094     return  new_settings[i];
00095 }
00096 
00097 
00098 bool    ee_settings_2020::wr   (char c, uint32_t i)  {           //  Write one setup char value to private buffer 'settings'
00099     if  (i >= eeprom_page_size)
00100         return  false;
00101     new_settings[i] = c;
00102     return  true;
00103 }
00104 
00105 sldandt *    ee_settings_2020::inform (uint32_t which)  {
00106     if  (which >= numof_eeprom_options) 
00107         return  NULL;
00108     return &option_list[which];
00109 }
00110 
00111 
00112