assets

firmware/modularkbd/Core/Src/main.c

@@ -24,6 +24,7 @@
 #include "usart.h"
 #include "usb_device.h"
 #include "gpio.h"
+#include <stdbool.h>
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
@@ -33,11 +34,10 @@
 /* Private typedef -----------------------------------------------------------*/
 /* USER CODE BEGIN PTD */
 
-// HID (Human Interface Device) report structure
 typedef struct {
-  uint8_t MODIFIER;       // Modifier keys (e.g., Ctrl, Shift, Alt, GUI/Win)
-  uint8_t RESERVED;       // Reserved for alignment, always set to 0
-  uint8_t KEYPRESS[12];   // Array holding up to 12 keycodes being pressed
+    uint8_t MODIFIER;       // Modifier keys (Ctrl, Shift, Alt, Win)
+    uint8_t RESERVED;       // Always 0
+    uint8_t KEYPRESS[12];   // Up to 12 keycodes
 } __attribute__((packed)) HIDReport;
 
 
@@ -55,6 +55,42 @@ typedef struct {
   uint8_t KEYPRESS[12];   // Keypress data (similar to HIDReport, but for UART transmission)
 } __attribute__((packed)) UARTMessage;
 
+#define PACKET_SIZE 12
+#define QUEUE_CAPACITY 32
+
+typedef struct {
+    uint8_t data[QUEUE_CAPACITY][PACKET_SIZE];
+    volatile uint8_t head; // accessed in main
+    volatile uint8_t tail; // accessed in ISR
+    volatile uint8_t count; // optional, only if needed
+} PacketQueue;
+
+// Initialize
+void pq_init(PacketQueue *q){
+    q->head = 0;
+    q->tail = 0;
+    q->count = 0;
+}
+
+// Called from ISR
+bool pq_push(PacketQueue *q, const uint8_t packet[PACKET_SIZE]){
+    uint8_t nextTail = (q->tail + 1) % QUEUE_CAPACITY;
+    if(nextTail == q->head) return false; // queue full
+
+    memcpy(q->data[q->tail], packet, PACKET_SIZE);
+    q->tail = nextTail;
+    return true;
+}
+
+// Called from main
+bool pq_pop(PacketQueue *q, uint8_t out_packet[PACKET_SIZE]){
+    if(q->head == q->tail) return false; // queue empty
+
+    memcpy(out_packet, q->data[q->head], PACKET_SIZE);
+    q->head = (q->head + 1) % QUEUE_CAPACITY;
+    return true;
+}
+
 /* USER CODE END PTD */
 
 /* Private define ------------------------------------------------------------*/
@@ -72,6 +108,7 @@ typedef struct {
 #define MODE_ACTIVE 2
 #define MODE_DEBUG 3
 #define UART_RX_BUFF_SIZE 64
+#define QUEUE_SIZ 8
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
@@ -117,6 +154,8 @@ uint16_t DEPTH = 0;
 uint16_t PORT_DEPTH[] = {0xFF, 0xFF, 0xFF, 0xFF};
 UART_HandleTypeDef* PARENT;
 UART_HandleTypeDef* PORTS[] = {&huart5, &huart1, &huart2, &huart4};
+uint8_t KEYSTATE_CHANGED_FLAG = 0;
+uint8_t KEYSTATE[ROW][COL];
 								//North	 East	 South	 West
 UARTMessage reportBuff;
 
@@ -128,6 +167,15 @@ volatile int uartUpdateFlag = 0;
 // Encoder state (TIM3 in encoder mode on PA6/PA7)
 volatile int32_t LAST_ENCODER_COUNT = 0;
 
+uint8_t UART_KEYSTATE[4][12];
+
+
+PacketQueue huart1q;
+PacketQueue huart2q;
+PacketQueue huart4q;
+PacketQueue huart5q;
+
+
 /* USER CODE END PV */
 
 /* Private function prototypes -----------------------------------------------*/
@@ -142,6 +190,7 @@ void encoderProcess(void);
 void resetReport(void);
 void sendMessage(void);
 void findBestParent();
+void mergeChild();
 /* USER CODE END PFP */
 
 /* Private user code ---------------------------------------------------------*/
@@ -194,9 +243,18 @@ int main(void)
   HAL_UART_Receive_DMA(&huart2, (uint8_t*)&RX2Msg, sizeof(UARTMessage));
   HAL_UART_Receive_DMA(&huart4, (uint8_t*)&RX4Msg, sizeof(UARTMessage));
   HAL_UART_Receive_DMA(&huart5, (uint8_t*)&RX5Msg, sizeof(UARTMessage));
+
   // Start TIM3 encoder (PA6/PA7) so we can read encoder delta
   HAL_TIM_Encoder_Start(&htim3, TIM_CHANNEL_ALL);
   LAST_ENCODER_COUNT = __HAL_TIM_GET_COUNTER(&htim3);
+
+  //Prealloc Kestate matrix
+  memset(KEYSTATE, 0, sizeof(KEYSTATE));
+  pq_init(&huart1q);
+  pq_init(&huart2q);
+  pq_init(&huart4q);
+  pq_init(&huart5q);
+
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -205,14 +263,18 @@ int main(void)
   {
 	  switch (MODE){
 	  case MODE_ACTIVE:
+		  KEYSTATE_CHANGED_FLAG = 1;
 		  resetReport();
 		  matrixScan();
-		  encoderProcess();
-		  UARTMessage UARTREPORT;
-		  UARTREPORT.DEPTH = DEPTH;
-		  UARTREPORT.TYPE = 0xEE;
-		  memcpy(UARTREPORT.KEYPRESS, REPORT.KEYPRESS, sizeof(UARTREPORT.KEYPRESS));
-		  HAL_UART_Transmit_DMA(PARENT, (uint8_t*)&UARTREPORT, sizeof(UARTREPORT));
+		  mergeChild();
+		  //encoderProcess();
+		  if(KEYSTATE_CHANGED_FLAG == 1){
+			  UARTMessage UARTREPORT;
+			  UARTREPORT.DEPTH = DEPTH;
+			  UARTREPORT.TYPE = 0xEE;
+			  memcpy(UARTREPORT.KEYPRESS, REPORT.KEYPRESS, sizeof(UARTREPORT.KEYPRESS));
+			  HAL_UART_Transmit_DMA(PARENT, (uint8_t*)&UARTREPORT, sizeof(UARTREPORT));
+		  }
 		  break;
 
 	  case MODE_INACTIVE:
@@ -223,6 +285,8 @@ int main(void)
 		  }else{
 			  //TODO: Look for a parent module...
 
+
+
 			  UARTMessage REQ;
 			  REQ.DEPTH = 0;
 			  REQ.TYPE = 0xFF;	//Message code for request is 0xFF
@@ -241,14 +305,8 @@ int main(void)
 	  case MODE_MAINBOARD:
 		  resetReport();
 		  matrixScan();//Something related to this making the key stick. Likely due to race conditions
-		  encoderProcess();
-		  if(uartUpdateFlag){
-			  for(int i = 0; i < 12; i++){
-				  REPORT.KEYPRESS[i] |= uartBuffer.KEYPRESS[i];
-			  }
-			  uartUpdateFlag = 0;
-			  memset(uartBuffer.KEYPRESS, 0, 12);
-		  }
+		  mergeChild();
+		  //encoderProcess();
 		  USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t*)&REPORT, sizeof(REPORT));
 		  break;
 
@@ -256,7 +314,7 @@ int main(void)
 		  break;
 	  }
 
-	  HAL_Delay(100);
+	  HAL_Delay(20);
     /* USER CODE END WHILE */
 
     /* USER CODE BEGIN 3 */
@@ -264,6 +322,31 @@ int main(void)
   /* USER CODE END 3 */
 }
 
+void mergeChild(){
+	uint8_t packet[12];
+	if (pq_pop(&huart1q, packet)) {
+		memcpy(UART_KEYSTATE[1], packet, 12);
+		KEYSTATE_CHANGED_FLAG = 1;
+	}
+	if (pq_pop(&huart2q, packet)) {
+		memcpy(UART_KEYSTATE[2], packet, 12);
+		KEYSTATE_CHANGED_FLAG = 1;
+	}
+	if (pq_pop(&huart4q, packet)) {
+		memcpy(UART_KEYSTATE[3], packet, 12);
+		KEYSTATE_CHANGED_FLAG = 1;
+	}
+	if (pq_pop(&huart5q, packet)) {
+		memcpy(UART_KEYSTATE[0], packet, 12);
+		KEYSTATE_CHANGED_FLAG = 1;
+	}
+	for(int i = 0; i < 4; i++){
+		for(int j = 0; j < 12; j++){
+			REPORT.KEYPRESS[j] |= UART_KEYSTATE[i][j];
+		}
+	}
+}
+
 /**
   * @brief System Clock Configuration
   * @retval None
@@ -404,12 +487,22 @@ void handleUARTMessages(uint8_t *data, UART_HandleTypeDef *sender) {
 
         case 0xEE:
         	//TODO: Append message to the thingy
-            if (MODE != MODE_INACTIVE) {
-                for (int i = 0; i < sizeof(REPORT.KEYPRESS); i++) {
-                    uartBuffer.KEYPRESS[i] |= msg.KEYPRESS[i];
-                }
-                uartUpdateFlag = 1;
-            }
+//            if (MODE != MODE_INACTIVE) {
+//                for (int i = 0; i < sizeof(REPORT.KEYPRESS); i++) {
+//                    uartBuffer.KEYPRESS[i] |= msg.KEYPRESS[i];
+//                }
+//                uartUpdateFlag = 1;
+//            }
+        	if(sender == &huart5) {
+        	    pq_push(&huart5q, msg.KEYPRESS);
+        	} else if(sender == &huart1) {
+        		pq_push(&huart1q, msg.KEYPRESS);
+        	} else if(sender == &huart2) {
+        		pq_push(&huart2q, msg.KEYPRESS);
+        	} else if(sender == &huart4) {
+        		pq_push(&huart4q, msg.KEYPRESS);
+        	}
+
         	break;
 
         default:
@@ -428,18 +521,26 @@ void addUSBReport(uint8_t usageID){
 }
 
 void matrixScan(void){
+
     for (uint8_t col = 0; col < COL; col++){
         HAL_GPIO_WritePin(COLUMN_PINS[col].GPIOx, COLUMN_PINS[col].PIN, GPIO_PIN_SET);
         HAL_Delay(1);
         for(uint8_t row = 0; row < ROW; row++){
-            if(HAL_GPIO_ReadPin(ROW_PINS[row].GPIOx, ROW_PINS[row].PIN)){
-                addUSBReport(KEYCODES[row][col]);
+            uint8_t new_key = HAL_GPIO_ReadPin(ROW_PINS[row].GPIOx, ROW_PINS[row].PIN);
+            if(new_key != KEYSTATE[row][col]){
+                KEYSTATE_CHANGED_FLAG = 1;
+                KEYSTATE[row][col] = new_key;
+            }
+            if(new_key){
+            	addUSBReport(KEYCODES[row][col]);
             }
         }
         HAL_GPIO_WritePin(COLUMN_PINS[col].GPIOx, COLUMN_PINS[col].PIN, GPIO_PIN_RESET);
     }
+
 }
 
+
 // Read TIM3 encoder counter, calculate delta and add corresponding keycodes
 void encoderProcess(void){
   int32_t cnt = (int32_t)__HAL_TIM_GET_COUNTER(&htim3);
@@ -466,8 +567,7 @@ void encoderProcess(void){
 }
 
 void resetReport(void){
-	  REPORT.MODIFIER = 0;
-	  memset(REPORT.KEYPRESS, 0, sizeof(REPORT.KEYPRESS));
+	memset(REPORT.KEYPRESS, 0, sizeof(REPORT.KEYPRESS));
 }
 
 /* USER CODE END 4 */

firmware/modularkbd/Debug/Core/Src/main.cyclo

@@ -1,10 +1,15 @@
-../Core/Src/main.c:153:5:main	8
-../Core/Src/main.c:263:6:SystemClock_Config	3
-../Core/Src/main.c:307:6:HAL_UART_RxCpltCallback	5
-../Core/Src/main.c:326:6:HAL_UART_ErrorCallback	5
-../Core/Src/main.c:344:6:findBestParent	4
-../Core/Src/main.c:365:6:handleUARTMessages	12
-../Core/Src/main.c:414:6:addUSBReport	3
-../Core/Src/main.c:422:6:matrixScan	4
-../Core/Src/main.c:435:6:resetReport	1
-../Core/Src/main.c:446:6:Error_Handler	1
+../Core/Src/main.c:69:6:pq_init	1
+../Core/Src/main.c:76:6:pq_push	2
+../Core/Src/main.c:86:6:pq_pop	2
+../Core/Src/main.c:205:5:main	7
+../Core/Src/main.c:325:6:mergeChild	7
+../Core/Src/main.c:354:6:SystemClock_Config	3
+../Core/Src/main.c:398:6:HAL_UART_RxCpltCallback	5
+../Core/Src/main.c:417:6:HAL_UART_ErrorCallback	5
+../Core/Src/main.c:435:6:findBestParent	4
+../Core/Src/main.c:456:6:handleUARTMessages	14
+../Core/Src/main.c:515:6:addUSBReport	3
+../Core/Src/main.c:523:6:matrixScan	5
+../Core/Src/main.c:545:6:encoderProcess	9
+../Core/Src/main.c:569:6:resetReport	1
+../Core/Src/main.c:579:6:Error_Handler	1

firmware/modularkbd/Debug/Core/Src/main.su

@@ -1,10 +1,15 @@
-../Core/Src/main.c:153:5:main	48	static
-../Core/Src/main.c:263:6:SystemClock_Config	88	static
-../Core/Src/main.c:307:6:HAL_UART_RxCpltCallback	16	static
-../Core/Src/main.c:326:6:HAL_UART_ErrorCallback	16	static
-../Core/Src/main.c:344:6:findBestParent	24	static
-../Core/Src/main.c:365:6:handleUARTMessages	64	static
-../Core/Src/main.c:414:6:addUSBReport	24	static
-../Core/Src/main.c:422:6:matrixScan	16	static
-../Core/Src/main.c:435:6:resetReport	8	static
-../Core/Src/main.c:446:6:Error_Handler	4	static,ignoring_inline_asm
+../Core/Src/main.c:69:6:pq_init	16	static
+../Core/Src/main.c:76:6:pq_push	24	static
+../Core/Src/main.c:86:6:pq_pop	16	static
+../Core/Src/main.c:205:5:main	40	static
+../Core/Src/main.c:325:6:mergeChild	40	static
+../Core/Src/main.c:354:6:SystemClock_Config	88	static
+../Core/Src/main.c:398:6:HAL_UART_RxCpltCallback	16	static
+../Core/Src/main.c:417:6:HAL_UART_ErrorCallback	16	static
+../Core/Src/main.c:435:6:findBestParent	24	static
+../Core/Src/main.c:456:6:handleUARTMessages	56	static
+../Core/Src/main.c:515:6:addUSBReport	24	static
+../Core/Src/main.c:523:6:matrixScan	16	static
+../Core/Src/main.c:545:6:encoderProcess	32	static
+../Core/Src/main.c:569:6:resetReport	8	static
+../Core/Src/main.c:579:6:Error_Handler	4	static,ignoring_inline_asm

firmware/modularkbd/Debug/Core/Src/subdir.mk

@@ -7,6 +7,7 @@
 C_SRCS += \
 ../Core/Src/dma.c \
 ../Core/Src/gpio.c \
+../Core/Src/hid_queue.c \
 ../Core/Src/i2c.c \
 ../Core/Src/main.c \
 ../Core/Src/stm32f4xx_hal_msp.c \
@@ -20,6 +21,7 @@ C_SRCS += \
 OBJS += \
 ./Core/Src/dma.o \
 ./Core/Src/gpio.o \
+./Core/Src/hid_queue.o \
 ./Core/Src/i2c.o \
 ./Core/Src/main.o \
 ./Core/Src/stm32f4xx_hal_msp.o \
@@ -33,6 +35,7 @@ OBJS += \
 C_DEPS += \
 ./Core/Src/dma.d \
 ./Core/Src/gpio.d \
+./Core/Src/hid_queue.d \
 ./Core/Src/i2c.d \
 ./Core/Src/main.d \
 ./Core/Src/stm32f4xx_hal_msp.d \
@@ -51,7 +54,7 @@ Core/Src/%.o Core/Src/%.su Core/Src/%.cyclo: ../Core/Src/%.c Core/Src/subdir.mk
 clean: clean-Core-2f-Src
 
 clean-Core-2f-Src:
-	-$(RM) ./Core/Src/dma.cyclo ./Core/Src/dma.d ./Core/Src/dma.o ./Core/Src/dma.su ./Core/Src/gpio.cyclo ./Core/Src/gpio.d ./Core/Src/gpio.o ./Core/Src/gpio.su ./Core/Src/i2c.cyclo ./Core/Src/i2c.d ./Core/Src/i2c.o ./Core/Src/i2c.su ./Core/Src/main.cyclo ./Core/Src/main.d ./Core/Src/main.o ./Core/Src/main.su ./Core/Src/stm32f4xx_hal_msp.cyclo ./Core/Src/stm32f4xx_hal_msp.d ./Core/Src/stm32f4xx_hal_msp.o ./Core/Src/stm32f4xx_hal_msp.su ./Core/Src/stm32f4xx_it.cyclo ./Core/Src/stm32f4xx_it.d ./Core/Src/stm32f4xx_it.o ./Core/Src/stm32f4xx_it.su ./Core/Src/syscalls.cyclo ./Core/Src/syscalls.d ./Core/Src/syscalls.o ./Core/Src/syscalls.su ./Core/Src/sysmem.cyclo ./Core/Src/sysmem.d ./Core/Src/sysmem.o ./Core/Src/sysmem.su ./Core/Src/system_stm32f4xx.cyclo ./Core/Src/system_stm32f4xx.d ./Core/Src/system_stm32f4xx.o ./Core/Src/system_stm32f4xx.su ./Core/Src/tim.cyclo ./Core/Src/tim.d ./Core/Src/tim.o ./Core/Src/tim.su ./Core/Src/usart.cyclo ./Core/Src/usart.d ./Core/Src/usart.o ./Core/Src/usart.su
+	-$(RM) ./Core/Src/dma.cyclo ./Core/Src/dma.d ./Core/Src/dma.o ./Core/Src/dma.su ./Core/Src/gpio.cyclo ./Core/Src/gpio.d ./Core/Src/gpio.o ./Core/Src/gpio.su ./Core/Src/hid_queue.cyclo ./Core/Src/hid_queue.d ./Core/Src/hid_queue.o ./Core/Src/hid_queue.su ./Core/Src/i2c.cyclo ./Core/Src/i2c.d ./Core/Src/i2c.o ./Core/Src/i2c.su ./Core/Src/main.cyclo ./Core/Src/main.d ./Core/Src/main.o ./Core/Src/main.su ./Core/Src/stm32f4xx_hal_msp.cyclo ./Core/Src/stm32f4xx_hal_msp.d ./Core/Src/stm32f4xx_hal_msp.o ./Core/Src/stm32f4xx_hal_msp.su ./Core/Src/stm32f4xx_it.cyclo ./Core/Src/stm32f4xx_it.d ./Core/Src/stm32f4xx_it.o ./Core/Src/stm32f4xx_it.su ./Core/Src/syscalls.cyclo ./Core/Src/syscalls.d ./Core/Src/syscalls.o ./Core/Src/syscalls.su ./Core/Src/sysmem.cyclo ./Core/Src/sysmem.d ./Core/Src/sysmem.o ./Core/Src/sysmem.su ./Core/Src/system_stm32f4xx.cyclo ./Core/Src/system_stm32f4xx.d ./Core/Src/system_stm32f4xx.o ./Core/Src/system_stm32f4xx.su ./Core/Src/tim.cyclo ./Core/Src/tim.d ./Core/Src/tim.o ./Core/Src/tim.su ./Core/Src/usart.cyclo ./Core/Src/usart.d ./Core/Src/usart.o ./Core/Src/usart.su
 
 .PHONY: clean-Core-2f-Src
 

firmware/modularkbd/Debug/objects.list

@@ -1,5 +1,6 @@
 "./Core/Src/dma.o"
 "./Core/Src/gpio.o"
+"./Core/Src/hid_queue.o"
 "./Core/Src/i2c.o"
 "./Core/Src/main.o"
 "./Core/Src/stm32f4xx_hal_msp.o"

hardware/numpad/numpad/~numpad.kicad_sch.lck

@@ -1 +0,0 @@
-{"hostname":"framework16","username":"ukim"}