Diff: ICE-Application/src/Drivers/rtc.cpp

Revision:

2:02cb20446785

Parent:

1:b2e90cda7a5a

--- a/ICE-Application/src/Drivers/rtc.cpp	Tue Jan 24 19:06:45 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,159 +0,0 @@
-// rtc.c - real time clock (MCP7940N)
-// -------------------------------------------------------------------------------------------------
-
-#include "mbed.h"
-#include "rtc.h"
-#include "global.h"
-
-// -------------------------------------------------------------------------------------------------
-// globals
-
-int rtc_verbose = 0;
-
-// -------------------------------------------------------------------------------------------------
-// initialization
-
-void rtc_init(void)
-{
-    if(rtc_verbose)
-    {
-        printf("\r\n[rtc_init] \r\n\r\n");
-    }
-    
-    char data[2];
-
-
-    data[0] = RTC_CONTROL_ADDR;
-
-    if(i2c->write(RTC_ADDR, data, RTC_SIZE_ADDR, true )) printf("no ack 1\r\n");
-    if(i2c->read (RTC_ADDR, data, RTC_SIZE_CONTROL, false)) printf("no ack 2\r\n");
-
-    if(rtc_verbose)
-    {
-        for(int i=0; i<RTC_SIZE_CONTROL; i++) { printf("   %d = ", i); printf("%d\r\n", data[i]); };
-    }
-
-    unsigned char control_reg = data[0];
-
-    if((control_reg & 0x80) == 1) // !EOSC
-    {
-        data[0] = RTC_CONTROL_ADDR;
-        data[1] = (control_reg & 0x7F); // clear !EOSC
-
-        if(i2c->write(RTC_ADDR, data, (RTC_SIZE_ADDR+RTC_SIZE_DATA), false)) printf("no ack 3\r\n");
-        
-        if(rtc_verbose) printf("   !EOSC bit reset (0x%x)\r\n\r\n", data[1]);
-    }
-
-    if(!rtc_verbose) printf("\r\nRTC: ");
-    rtc_print();
-}
-
-// -------------------------------------------------------------------------------------------------
-// read registers
-
-void rtc_regs(void)
-{
-    char data[RTC_SIZE_DATA];
-    
-    if(rtc_verbose)
-    {
-        printf("\r\n[rtc_regs] \r\n\r\n");
-    }
-
-    data[0] = 0x00; // address 0x00
-
-    if(i2c->write(RTC_ADDR, data, RTC_SIZE_ADDR, true )) printf("no ack 1\r\n");
-    if(i2c->read (RTC_ADDR, data, RTC_SIZE_DATA, false)) printf("no ack 2\r\n");
-
-    for(int i=0; i<RTC_SIZE_DATA; i++) { printf("   %d = ", i); printf("%d\r\n", data[i]); }
-}
-
-// -------------------------------------------------------------------------------------------------
-// RTC functions
-
-void rtc_get_time(int* iyr, int* imo, int* idy, int* ihr, int* imn, int* isc)
-{
-    char data[RTC_SIZE_DATA];
-    data[0] = 0x00;
-
-    if(i2c->write(RTC_ADDR, data, RTC_SIZE_ADDR, true )) printf("no ack 1\r\n");
-    if(i2c->read (RTC_ADDR, data, RTC_SIZE_DATA, false)) printf("no ack 2\r\n");
-
-    if(rtc_verbose)
-    {
-        printf("\r\n[rtc_get_time] \r\n\r\n");
-        for(int i=0; i<RTC_SIZE_DATA; i++) { printf("   %d = ", i); printf("%d\r\n", data[i]); };
-    }
-
-    *isc = 10*( (data[0] & 0x70)>>4 ) + (data[0] & 0x0F); // tens = 0b01110000(0x70), ones = 0b00001111(0x0F)
-    *imn = 10*( (data[1] & 0x70)>>4 ) + (data[1] & 0x0F); // tens = 0b01110000(0x70), ones = 0b00001111(0x0F)
-    *ihr = 10*( (data[2] & 0x10)>>4 ) + (data[2] & 0x0F); // tens = 0b00110000(0x30), ones = 0b00001111(0x0F)
-     // day of week
-    *idy = 10*( (data[4] & 0x30)>>4 ) + (data[4] & 0x0F); // tens = 0b00110000(0x30), ones = 0b00001111(0x0F)
-    *imo = 10*( (data[5] & 0x10)>>4 ) + (data[5] & 0x0F); // tens = 0b00010000(0x10), ones = 0b00001111(0x0F)
-    *iyr = 10*( (data[6] & 0xF0)>>4 ) + (data[6] & 0x0F); // tens = 0b11110000(0xF0), ones = 0b00001111(0x0F)
-    
-    *iyr += 2000;
-}
-
-void rtc_set_time(int iyr, int  imo, int  idy, int  ihr, int  imn, int  isc)
-{
-    char data[(RTC_SIZE_DATA+RTC_SIZE_ADDR)];
-    
-    int jyr = iyr; if(jyr >= 2000) jyr -= 2000;
-
-    data[0] = 0x00; // address byte
-    data[1] = 0x00; // data byte 0: seconds
-    data[2] = 0x00; // data byte 1: minutes
-    data[3] = 0x00; // data byte 2: hours
-    data[4] = 0x00; // data byte 3: weekday, set to 0x00 ? (usually reads 0x21 with OSCRUN and no PWRFAIL
-    data[5] = 0x00; // data byte 4: day
-    data[6] = 0x00; // data byte 5: month
-    data[7] = 0x00; // data byte 6: year
-
-    data[1] = ((isc/10)<<4) | (isc%10); // seconds
-    data[2] = ((imn/10)<<4) | (imn%10); // minutes
-    data[3] = ((ihr/10)<<4) | (ihr%10); // hours
-    data[5] = ((idy/10)<<4) | (idy%10); // days
-    data[6] = ((imo/10)<<4) | (imo%10); // months
-    data[7] = ((jyr/10)<<4) | (jyr%10); // years
-
-    if(i2c->write(RTC_ADDR, data, (RTC_SIZE_DATA+RTC_SIZE_ADDR), false)) printf("no ack\r\n");
-
-    if(rtc_verbose)
-    {
-        printf("\r\n[rtc_set_time] \r\n\r\n");
-        printf("   raw data\r\n");
-        for(int i=0; i<(RTC_SIZE_DATA+RTC_SIZE_ADDR); i++) { printf("   %d = ", i); printf("%d\r\n", data[i]); };
-    }
-}
-
-void rtc_set(const char* s)
-{
-    int iyr, imo, idy, ihr, imn, isc;
-
-    if(sscanf(s, "%d-%d-%d %d:%d:%d", &iyr, &imo, &idy, &ihr, &imn, &isc) != 6)
-    {
-        printf("   [rtc_set] parse error\r\n");
-    }
-    else
-    {
-        if(rtc_verbose) printf("   date: %04d-%02d-%02d %02d:%02d:%02d\r\n", iyr, imo, idy, ihr, imn, isc);
-
-        rtc_set_time(iyr, imo, idy, ihr, imn, isc);
-
-        printf("   [rtc_set] "); rtc_print();
-    }
-}
-
-void rtc_print(void)
-{
-    int iyr=0, imo=0, idy=0, ihr=0, imn=0, isc=0;
-
-    rtc_get_time(&iyr, &imo, &idy, &ihr, &imn, &isc);
-
-    printf("%04d-%02d-%02d %02d:%02d:%02d", iyr, imo, idy, ihr, imn, isc);
-}
-
-// -------------------------------------------------------------------------------------------------