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Copy pathClock Matrix ML.spin
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Clock Matrix ML.spin
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CON
_CLKMODE = XTAL1 + PLL16X
_XINFREQ = 5_000_000
JClock = 24
JReset = 25
sSCL = 28 'RTC
sSDT = 29
VAR
long Smem[7] 'Screen memory, one long per row, times 7 rows
long Sbuffer[7] 'Buffer to build image before copy
long NumTemp[7] 'Buffer for shifting numeric characters
long parameter1
byte Time[7]
PUB Main | g
dira[0..23]~~ 'Set column to outputs
dira[JClock]~~
dira[JReset]~~
parameter1 := @Smem[0]
COGINIT(4, @Setup, @parameter1)
Clear
LoadNumber(1, 0)
LoadNumber(2, 6)
LoadNumber(10, 10) 'Colon
LoadNumber(5, 14)
LoadNumber(9, 20)
LoadFrame
'SetTheTime(10, 01, 5, 9, 15, 11, 0) 'hour, minute, day of week, day of month, month, year
repeat
DisplayTime
waitcnt(40_000_000 + cnt)
PUB LoadNumber(num, position) | g
longmove(@NumTemp[0], @numerals[num * 28], 7)
repeat g from 0 to 6
NumTemp[g] <<= position
Sbuffer[g] |= NumTemp[g]
PUB LoadFrame
longmove(@Smem[0], @Sbuffer[0], 7)
PUB Clear
longfill(@Sbuffer[0], 0, 7)
PUB DisplayTime | gg, temp
LoadTime
Clear
'Convert that crap to a date and time
Temp := Time[2] 'Hours tens
Temp >>= 4
Temp &= %00000001
LoadNumber(temp, 0)
Temp := Time[2] 'Hours ones
Temp &= %0000_1111
LoadNumber(temp, 6)
LoadNumber(10, 10) 'Colon
Temp := Time[1] 'Minutes tens
Temp >>= 4
LoadNumber(temp, 14)
Temp := Time[1] 'Minutes ones
Temp &= %0000_1111
LoadNumber(temp, 20)
LoadFrame
PUB LoadTime | gg
INIT
Start
Write(%11010000)
Write(0)
Stop
Start
Write(%11010001)
repeat gg from 0 to 6
Time[gg] := Read(0)
Stop
PUB SetTheTime(hours, minutes, dayofweek, month, day, year, ampm) | g, temp
INIT
Start
Write(%11010000)
Write(0) 'Start at address 0
Write(%0) 'Seconds, who gives a damn?
temp := minutes / 10 'Get minutes 10's place
temp <<= 4 'Shift 4
temp |= minutes - (minutes / 10 * 10) 'Get minutes one's place
Write(temp) 'Minutes
temp := hours / 10 'Get hours 10's place
temp <<= 4 'Shift 4
temp |= hours - (hours / 10 * 10) 'Get hours ones's place
temp |= %01000000 'Set 12 hour mode
temp |= ampm << 5 'Add the am (0) or pm (1) bit
Write(temp) 'Hours (12 hour format)
temp := dayofweek 'Get day of the week
Write(temp) 'Day of week
temp := day / 10 'Get day 10's place
temp <<= 4 'Shift 4
temp += day - (day / 10 * 10) 'Get day 1's place
Write(temp) 'Day
temp := month / 10 'Get months 10's place.
temp <<= 4 'Shift 4
temp += month - (month / 10 * 10) 'Get months ones's place
Write(temp) 'Month
temp := year / 10 'Get years 10's place. (nope, it's not Y2K2 compliant!)
temp <<= 4 'Shift 4
temp += year - (year / 10 * 10) 'Get years ones's place
Write(temp) 'Year
Stop
{I2C DRIVER FOR REAL TIME CLOCK BEGIN}
PUB INIT ' An I2C device may be left in an
' invalid state and may need to be
outa[sSCL] := 1 ' reinitialized. Drive SCL high.
dira[sSCL] := 1
dira[sSDT] := 0 ' Set SDA as input
repeat 9
outa[sSCL] := 0 ' Put out up to 9 clock pulses
outa[sSDT] := 1
if ina[sSDT] ' Repeat if SDA not driven high
quit ' by the EEPROM
PUB START ' SDA goes HIGH to LOW with SCL HIGH
outa[sSCL]~~ ' Initially drive SCL HIGH
dira[sSCL]~~
outa[sSDT]~~ ' Initially drive SDA HIGH
dira[sSDT]~~
outa[sSDT]~ ' Now drive SDA LOW
outa[sSCL]~ ' Leave SCL LOW
PUB STOP ' SDA goes LOW to HIGH with SCL High
outa[sSCL]~~ ' Drive SCL HIGH
outa[sSDT]~~ ' then SDA HIGH
dira[sSCL]~ ' Now let them float
dira[sSDT]~ ' If pullups present, they'll stay HIGH
PUB WRITE(data1) : ackbit
ackbit := 0
data1 <<= 24
repeat 8 ' Output data to SDA
outa[sSDT] := (data1 <-= 1) & 1
outa[sSCL]~~ ' Toggle SCL from LOW to HIGH to LOW
outa[sSCL]~
dira[sSDT]~ ' Set SDA to input for ACK/NAK
outa[sSCL]~~
ackbit := ina[sSDT] ' Sample SDA when SCL is HIGH
outa[sSCL]~
outa[sSDT]~ ' Leave SDA driven LOW
dira[sSDT]~~
PUB Read(ackbit): data
'' Read in i2c data, Data byte is output MSB first, SDA data line is
'' valid only while the SCL line is HIGH. SCL and SDA left in LOW state.
data := 0
dira[sSDT]~ ' Make SDA an input
repeat 8 ' Receive data from SDA
outa[sSCL]~~ ' Sample SDA when SCL is HIGH
data := (data << 1) | ina[sSDT]
outa[sSCL]~
outa[sSDT] := ackbit ' Output ACK/NAK to SDA
dira[sSDT]~~
outa[sSCL]~~ ' Toggle SCL from LOW to HIGH to LOW
outa[sSCL]~
outa[sSDT]~ ' Leave SDA driven LOW
{I2C DRIVER FOR REAL TIME CLOCK END}
DAT
numerals
long %01110 'Zero
long %11011
long %11011
long %11011
long %11011
long %11011
long %01110
long %01100 'One
long %01110
long %01100
long %01100
long %01100
long %01100
long %11110
long %11111 'Two
long %11011
long %11000
long %11111
long %00011
long %00011
long %11111
long %11111 'Three
long %11111
long %11000
long %11110
long %11000
long %11111
long %11111
long %11011 'Four
long %11011
long %11011
long %11111
long %11000
long %11000
long %11000
long %11111 'Five
long %00011
long %00011
long %11111
long %11000
long %11000
long %11111
long %11111 'Six
long %00011
long %00011
long %11111
long %11011
long %11011
long %11111
long %11111 'Seven
long %11111
long %11000
long %11000
long %11000
long %11000
long %11000
long %01110 'Eight
long %11011
long %11011
long %01110
long %11011
long %11011
long %01110
long %11111 'Nine
long %11011
long %11011
long %11111
long %11000
long %11000
long %11000
long %00000 'Colon
long %00100
long %00100
long %00000
long %00100
long %00100
long %00000
DAT
ORG 0
Setup
mov dira, OutputMask
mov OutputMask, par 'Its work done, OutputMask is now used to set the parameter register
mov WaitCount, CNT
add WaitCount,Rate
Frame
rdlong MemPos, OutputMask 'Get the start of memory address
rdlong TempX, MemPos
add TempX, ResetMask 'Add clock bit
mov outa, TempX 'Put on the output
'sub Temp, ResetMask 'Remove the bit
'mov outa, Temp 'Reassert to output
waitcnt WaitCount,Rate 'No matter what, wait correct number of cycles
add MemPos, #4 'Move memory pointer
mov RowCount, #1
Row
rdlong TempX, MemPos 'Read contents of screen memory into temp variable
add TempX, ClockMask 'Add clock bit
mov outa, TempX 'Put on the output
sub TempX, ClockMask 'Remove the bit
mov outa, TempX 'Reassert to output
waitcnt WaitCount,Rate 'No matter what, wait correct number of cycles
add MemPos, #4 'Move memory pointer
add RowCount, #1
cmp RowCount, #8 wz 'Did we do all 7 rows yet?
if_z jmp #Frame 'If so, start over
jmp #Row 'Else, do next row
TempX long 0
MemPos long 0
OutputMask long %00000111_11111111_11111111_11111111
RowCount long 0
ClockMask long %00000010_00000000_00000000_00000000
ResetMask long %00000100_00000000_00000000_00000000
Waitcount long 0
Rate long 162_000