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Mollyc4 onboarding #151

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a9ae3ed
Update README.md
johnathanvogt Sep 9, 2025
23cac9b
Finished LED board schematic and PCB layout
mollyc4 Sep 19, 2025
f1b6761
WIP: heartbeat project – added LED toggle logic in main.cpp
mollyc4 Oct 3, 2025
661b115
Project 2: Added potentiometer input and dynamic LED blink rate
mollyc4 Oct 4, 2025
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30 changes: 19 additions & 11 deletions Firmware/project_1/.cproject
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Expand Up @@ -40,7 +40,13 @@
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Expand All @@ -58,7 +64,7 @@
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Expand Down Expand Up @@ -139,16 +145,17 @@
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Expand Down Expand Up @@ -315,9 +322,9 @@
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Expand Down Expand Up @@ -479,9 +486,9 @@
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Expand Down Expand Up @@ -592,4 +599,5 @@
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5 changes: 3 additions & 2 deletions Firmware/project_1/inc/pins.h
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Expand Up @@ -26,7 +26,8 @@
#define P_LED3 P0_6
#define P_LED4 P0_7
// PROJECT 1 - You can define a pin macro here

// PROJECT 2 DEFINE PIN OBJECT
#define P_POT P0_4
/*
* COMMON PIN OBJECT DECLARATIONS
*/
Expand All @@ -42,7 +43,7 @@ extern DigitalOut led4;
*/

// PROJECT 2 - You can declare a AnalogIn object here

extern AnalogIn pot;

/*
* BOARD SPECIFIC PIN OBJECT DECLARATIONS
Expand Down
11 changes: 9 additions & 2 deletions Firmware/project_1/src/main.cpp
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Expand Up @@ -11,7 +11,8 @@
#include "CAN/can_data.h"
#include "can_buffer.h"


static const uint32_t BLINK_MIN_US = 100000;
static const uint32_t BLINK_MAX_US = 1000000;
/*
* This is an example function. It blinks the heartbeat LED and sends
* a Heartbeat CAN Message. The message sends when the LED turns on.
Expand Down Expand Up @@ -97,10 +98,16 @@ int main() {

if(timing.tickThreshold(last_task_1_time, TASK_1_RATE_US)){
//PROJECT 1 - add code here to actually make the LED blink
led1.write(1 - led1.read());
}

//PROJECT 2 - use the potentiometer to change the blink rate

float pot_val = pot.read();
uint32_t blink_interval_us =
BLINK_MIN_US + (uint32_t)((BLINK_MAX_US - BLINK_MIN_US) * pot_val);
if (timing.tickThreshold(last_task_1_time, blink_interval_us)) {
led1.write(1 - led1.read()); // toggle
}

}

Expand Down
1 change: 1 addition & 0 deletions Firmware/project_1/src/pins.cpp
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Expand Up @@ -13,6 +13,7 @@
*/

// PROJECT 2 - You can instantiate your AnalogIn object here
AnalogIn pot(P_POT);

/*
* COMMON PIN OBJECT INSTANTIATIONS
Expand Down
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