David's dead reckoning code for the LVBots competition on March 6th. Uses the mbed LPC1768, DRV8835, QTR-3RC, and two DC motors with encoders.
Dependencies: PololuEncoder Pacer mbed GeneralDebouncer
Revision 48:597738b77f77, committed 2019-08-13
- Comitter:
- DavidEGrayson
- Date:
- Tue Aug 13 21:21:17 2019 +0000
- Parent:
- 47:9773dc14c834
- Commit message:
- Changes from before the contest, I think.
Changed in this revision
--- a/logger.h Wed Jul 31 07:14:09 2019 +0000
+++ b/logger.h Tue Aug 13 21:21:17 2019 +0000
@@ -2,7 +2,7 @@
#include <stdint.h>
-#define LOGGER_SIZE 2000
+#define LOGGER_SIZE 3000
struct LogEntry
{
--- a/main.cpp Wed Jul 31 07:14:09 2019 +0000 +++ b/main.cpp Tue Aug 13 21:21:17 2019 +0000 @@ -22,13 +22,14 @@ TurnSensor turnSensor; Logger logger; +const uint32_t timeout = 0; + +const uint32_t logSpacing = 200; + +const int16_t drivingSpeed = 500; + uint32_t totalEncoderCounts = 0; uint32_t nextLogEncoderCount = 0; -const uint32_t logSpacing = 250; - -const int16_t drivingSpeed = 400; - -const uint32_t timeout = 1*60000; void setLeds(bool v1, bool v2, bool v3, bool v4)
--- a/turn_sensor.cpp Wed Jul 31 07:14:09 2019 +0000
+++ b/turn_sensor.cpp Tue Aug 13 21:21:17 2019 +0000
@@ -52,14 +52,16 @@
if (rate > 0)
{
- // Counter-clockwise scale factor calculated from log_190730_2.csv.
- const double scale = 1.012394298;
+ // Counter-clockwise scale factors from
+ // log_190730_2.csv and log_190801_4.csv.
+ const double scale = 1.012394298 * 0.998207092;
angleUnsigned += (int64_t)d * (int32_t)(14680064 * scale) / 17578125;
}
else
{
- // Clockwise scale factor calculated from log_190730_3.csv.
- const double scale = 0.992376154;
+ // Clockwise scale factor calculated from
+ // log_190730_3.csv and then log_190801_3.csv.
+ const double scale = 0.992376154 * 0.999892525;
angleUnsigned += (int64_t)d * (int32_t)(14680064 * scale) / 17578125;
}
}
David Grayson