therm Changeset - 255811a3e69c · protofusion repositories

Changeset - 255811a3e69c

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Ethan Zonca - 10 years ago 2014-08-23 22:28:17
ez@ethanzonca.com

Get fractional part

1 file changed with 6 insertions and 0 deletions:

main.c

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main.c

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@@ @@ -174,6 +174,9 @@ void process() @@
     temp_pre = temp_pre >> 2; // Drop 2 lowest bits
     uint8_t frac = temp_pre & 0b11; // get fractional part
     frac *= 25; // each bit is .25 a degree, up to fixed point
     temp_pre = temp_pre >> 2; // Drop 2 fractional bits
     int16_t temp = 0;
     if(sign) {
@@ @@ -216,6 +219,9 @@ void process() @@
     ssd1306_DrawString("Temp: ", 1, 40);
     ssd1306_DrawString("    ", 1, 70);
     ssd1306_DrawString(tempstr, 1, 70);
     itoa(frac, tempstr);
     ssd1306_DrawString("  ", 1, 90);
     ssd1306_DrawString(tempstr, 1, 90);
 /*
     if((!retval || (temp & 0x2) != 0))

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