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annotate doc/Luna-notes @ 225:09ea37852fd6

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add function to convert Ichg ADC readings to mA
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 29 Apr 2021 05:13:09 +0000
parents a62e5bf88434
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 FreeCalypso Luna phone handset UI development platform consists of these 3
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2 components:
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3
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4 * A Caramel-type Calypso motherboard, either iWOW DSK or FC Caramel2
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5 * An LCD carrier board, currently using HaoRan HT020K1QC36S LCD module
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6 * A 5x5 keyswitch matrix board for the keypad function
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7
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8 This Luna is our primary official platform for FreeCalypso phone handset UI
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9 development. The UI code we got from TI comes in two interesting versions:
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10
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11 * Big color version: 176x220 pixels, 16-bit color
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12 * Small B&W version: originally 84x48 pixels, we are extending it to 96x64 pix
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13
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14 (Originally there was also a third version, large 176x220 pix B&W, but we find
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15 it uninteresting and we've removed it from our supported set. It was really
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16 nothing more than a hack to display a minimal-effort derivative of the original
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17 small B&W UI on the large D-Sample LCD, so we are not removing anything of any
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18 real substance here.)
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19
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20 FC Luna hardware is required for anyone who wishes to work on the phone handset
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21 UI project in FC Tourmaline: it is the only target platform that can display
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22 both versions of our work-in-progress UI firmware. Mot C1xx and other similar
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23 phones have small LCDs that can only display the small B&W version of our
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24 TI-based UI, and in the Mother's opinion working solely on the smallbw version
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25 to the exclusion of the bigcolor version is not acceptable.