just revc things

board/gpio.h

@@ -159,11 +159,26 @@ void gpio_init() {
 #endif
 
   // K enable + L enable
+#ifdef REVC
+  // K-line enable moved from B4->B7 to make room for GMLAN on CAN3
+  GPIOB->ODR |= (1 << 7);
+  GPIOB->MODER |= GPIO_MODER_MODER7_0;
+#else
   GPIOB->ODR |= (1 << 4);
   GPIOB->MODER |= GPIO_MODER_MODER4_0;
+#endif
+
   GPIOA->ODR |= (1 << 14);
   GPIOA->MODER |= GPIO_MODER_MODER14_0;
 
+#ifdef REVC
+  // set DCP mode on the charger
+  /*GPIOB->ODR &= ~(1 << 2);
+  GPIOB->MODER |= GPIO_MODER_MODER2_0;
+  GPIOA->ODR &= ~(1 << 13);
+  GPIOA->MODER |= GPIO_MODER_MODER13_0;*/
+#endif
+
   // USART 2 for debugging
   GPIOA->MODER |= GPIO_MODER_MODER2_1 | GPIO_MODER_MODER3_1;
   GPIOA->AFR[0] = GPIO_AF7_USART2 << (2*4) | GPIO_AF7_USART2 << (3*4);

board/main.c

@@ -2,6 +2,7 @@
 //#define DEBUG_USB
 //#define CAN_LOOPBACK_MODE
 //#define USE_INTERNAL_OSC
+//#define REVC
 
 #ifdef STM32F4
   #define PANDA