Jeff Wang
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240dd570ae
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fix for LCD row tracking, fix for "phantom" keypress at powerup
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2019-04-04 03:01:33 -04:00 |
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Jeff Wang
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4734fe5a0e
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add keyboard, fix display of negative numbers
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2019-04-04 02:46:10 -04:00 |
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Jeff Wang
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8550049335
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fix bug for entering numbers such as 0.01
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2019-04-04 02:29:11 -04:00 |
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Jeff Wang
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cb255bc7d1
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fix quitting
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2019-04-04 02:08:22 -04:00 |
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Jeff Wang
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a93bdd9c78
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update readme
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2019-04-04 02:08:18 -04:00 |
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Jeff Wang
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5e04a18cd2
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use semaphores for keyboard and lcd, add lcd thread for calling updateLcd()
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2019-04-04 01:54:02 -04:00 |
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Jeff Wang
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9484dc01fc
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fix lcd display, do not create multiple Calculator objects (and threads)
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2019-04-04 01:32:15 -04:00 |
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Jeff Wang
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a37b754dd5
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update gitignore
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2019-04-04 00:36:12 -04:00 |
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Jeff Wang
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89c5f0dc6c
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only process calculator keys and update lcd if keys pressed
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2019-04-04 00:33:46 -04:00 |
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Jeff Wang
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fc6d8efc5f
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work on Qt GUI, still not working properly
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2019-04-04 00:33:42 -04:00 |
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Jeff Wang
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8f39958679
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start working on gui
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2019-04-03 00:07:15 -04:00 |
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Jeff Wang
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5cea4807f7
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update ignore file
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2019-04-02 23:57:51 -04:00 |
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Jeff Wang
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1be980d85b
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fix reciprocol convergence
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2019-04-02 23:57:28 -04:00 |
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Jeff Wang
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0278165339
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remove unused funtion
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2019-04-02 23:56:54 -04:00 |
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Jeff Wang
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bf014cd982
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update readme
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2019-04-01 02:39:26 -04:00 |
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Jeff Wang
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bb102add67
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add exponent character
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2019-04-01 02:38:17 -04:00 |
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Jeff Wang
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d45c9702b0
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check in a binary
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2019-04-01 01:58:29 -04:00 |
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Jeff Wang
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f5d8d601a2
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bugfix for keys
- initialize count, so that there is no initial keypress at powerup
- use int8_t instead of uint32_t to pass new key, since only 1 new key
used
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2019-04-01 01:55:47 -04:00 |
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Jeff Wang
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8aec2ae134
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fix exponent display
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2019-04-01 01:12:02 -04:00 |
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Jeff Wang
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8114853d14
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update readme
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2019-04-01 00:04:38 -04:00 |
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Jeff Wang
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2d247dc265
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update readme
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2019-03-31 23:59:05 -04:00 |
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Jeff Wang
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75a9c92b7d
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fix desktop build
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2019-03-31 23:34:25 -04:00 |
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Jeff Wang
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fa0afa726b
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update readme
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2019-03-31 23:34:13 -04:00 |
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Jeff Wang
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cc35d96f65
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update readme
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2019-03-31 22:57:17 -04:00 |
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Jeff Wang
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8fb48bbf5a
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update readme
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2019-03-31 22:53:01 -04:00 |
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Jeff Wang
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12e7f010e6
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bugfix: latch on immediately, to ensure calculator stays on after poweron
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2019-03-31 19:37:55 -04:00 |
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Jeff Wang
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d1ec11cad8
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allow correct building/syntax highlighting on desktop
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2019-03-31 19:37:55 -04:00 |
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Jeff Wang
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4ed3d1654e
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various bugfixes for decn arithmetic
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2019-03-31 19:37:55 -04:00 |
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Jeff Wang
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43edb291cf
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attempt to reduce space usage
- remove unecessary code
- ifdef "extra" code
- pass data through globals instead of functions accessing static data
- functions non-reentrant, locate tmps in xdata
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2019-03-31 19:37:52 -04:00 |
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Jeff Wang
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ecb0492534
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initial calculator code
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2019-03-31 19:33:59 -04:00 |
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Jeff Wang
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bdecc32b86
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use global Buf everywhere for debugging
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2019-03-28 00:41:54 -04:00 |
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Jeff Wang
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91b7b82462
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add normal number display, number display bug fixes
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2019-03-28 00:34:41 -04:00 |
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Jeff Wang
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4405ee7c8f
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division
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2019-03-27 05:23:26 -04:00 |
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Jeff Wang
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b3c73cbdb5
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style fixes
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2019-03-27 05:22:47 -04:00 |
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Jeff Wang
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116b6ed2e6
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bugfixes for multiply
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2019-03-27 05:22:21 -04:00 |
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Jeff Wang
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0ba2ca7710
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bugfixes for addition/subtraction
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2019-03-27 05:22:19 -04:00 |
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Jeff Wang
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a742bb2059
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separate out set_exponent function
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2019-03-27 05:17:32 -04:00 |
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Jeff Wang
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14251c91cb
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multiplication
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2019-03-27 03:53:18 -04:00 |
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Jeff Wang
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d2faa41dd5
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bugfixes for addition/subtraction
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2019-03-26 04:45:09 -04:00 |
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Jeff Wang
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72becb60a7
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check result value equal to zero
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2019-03-26 04:44:25 -04:00 |
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Jeff Wang
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c6ac8f5c5c
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subtraction
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2019-03-26 03:35:49 -04:00 |
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Jeff Wang
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ad9a9f55ad
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change to base-100 with implicit decimal point
- addition working for test case
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2019-03-26 02:38:56 -04:00 |
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Jeff Wang
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d351995294
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initial decimal number code, needs work
- need to change to have implicit decimal point after first digit
- need to rework for code size
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2019-03-22 16:38:35 -04:00 |
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Jeff Wang
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7dddcb0902
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soft latching power switch
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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606ac5c2f8
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optimize delays for better accuracy
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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33949440db
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fix lcd indexing, clear to end of line function
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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b3f0f12c32
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key debouncer
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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c92decd204
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increase code size
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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61c41aebc1
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fix top row key inputs
temporarily set to push-pull outputs to force high
then scan as usual
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2019-03-21 20:59:25 -04:00 |
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Jeff Wang
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84b6888d7e
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scan keyboard
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2019-03-20 03:21:11 -04:00 |
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