Stop charge (#284)

* CDP by default in EON build on white panda

* Cleaned up power mode setting

* send usb power mode in health

* cleaner CDP setting on ignition

* bump panda

VERSION

@@ -1 +1 @@
-v1.4.9
+v1.5.0

board/board_declarations.h

@@ -36,11 +36,10 @@ struct board {
 #define LED_GREEN 1U
 #define LED_BLUE 2U
 
-// USB power modes
-#define USB_POWER_NONE 0U
-#define USB_POWER_CLIENT 1U
-#define USB_POWER_CDP 2U
-#define USB_POWER_DCP 3U
+// USB power modes (from cereal.log.health)
+#define USB_POWER_CLIENT 0U
+#define USB_POWER_CDP 1U
+#define USB_POWER_DCP 2U
 
 // ESP modes
 #define ESP_GPS_DISABLED 0U
@@ -54,4 +53,4 @@ struct board {
 #define CAN_MODE_OBD_CAN2 3U
 
 // ********************* Globals **********************
-uint8_t usb_power_mode = USB_POWER_NONE;
+uint8_t usb_power_mode = USB_POWER_CDP;

board/boards/black.h

@@ -38,7 +38,7 @@ void black_set_led(uint8_t color, bool enabled) {
       break;
     case LED_BLUE:
       set_gpio_output(GPIOC, 6, !enabled);
-      break;  
+      break;
     default:
       break;
   }
@@ -53,11 +53,22 @@ void black_set_usb_load_switch(bool enabled) {
 }
 
 void black_set_usb_power_mode(uint8_t mode) {
-  usb_power_mode = mode;
-  if (mode == USB_POWER_NONE) {
-    black_set_usb_load_switch(false);
-  } else {
-    black_set_usb_load_switch(true);
+  bool valid = false;
+  switch (mode) {
+    case USB_POWER_CLIENT:
+      black_set_usb_load_switch(false);
+      valid = true;
+      break;
+    case USB_POWER_CDP:
+      black_set_usb_load_switch(true);
+      valid = true;
+      break;
+    default:
+      puts("Invalid USB power mode\n");
+      break;
+  }
+  if (valid) {
+    usb_power_mode = mode;
   }
 }
 
@@ -200,4 +211,4 @@ const board board_black = {
   .set_can_mode = black_set_can_mode,
   .usb_power_mode_tick = black_usb_power_mode_tick,
   .check_ignition = black_check_ignition
-};
+};

board/boards/white.h

@@ -34,7 +34,7 @@ void white_set_led(uint8_t color, bool enabled) {
       break;
     case LED_BLUE:
       set_gpio_output(GPIOC, 6, !enabled);
-      break;  
+      break;
     default:
       break;
   }
@@ -125,7 +125,7 @@ void white_set_can_mode(uint8_t mode){
 
       // A8,A15: normal CAN3 mode
       set_gpio_alternate(GPIOA, 8, GPIO_AF11_CAN3);
-      set_gpio_alternate(GPIOA, 15, GPIO_AF11_CAN3);   
+      set_gpio_alternate(GPIOA, 15, GPIO_AF11_CAN3);
       break;
     case CAN_MODE_GMLAN_CAN3:
       // A8,A15: disable CAN3 mode
@@ -143,7 +143,7 @@ void white_set_can_mode(uint8_t mode){
       // B5,B6: normal CAN2 mode
       set_gpio_alternate(GPIOB, 5, GPIO_AF9_CAN2);
       set_gpio_alternate(GPIOB, 6, GPIO_AF9_CAN2);
-      break;  
+      break;
     default:
       puts("Tried to set unsupported CAN mode: "); puth(mode); puts("\n");
       break;
@@ -152,7 +152,9 @@ void white_set_can_mode(uint8_t mode){
 
 uint64_t marker = 0;
 void white_usb_power_mode_tick(uint64_t tcnt){
-  #ifndef BOOTSTUB
+
+  // on EON or BOOTSTUB, no state machine
+#if !defined(BOOTSTUB) && !defined(EON)
   #define CURRENT_THRESHOLD 0xF00U
   #define CLICKS 5U // 5 seconds to switch modes
 
@@ -177,22 +179,19 @@ void white_usb_power_mode_tick(uint64_t tcnt){
       }
       break;
     case USB_POWER_CDP:
-      // On the EON, if we get into CDP mode we stay here. No need to go to DCP.
-      #ifndef EON
-        // been CLICKS clicks since we switched to CDP
-        if ((tcnt-marker) >= CLICKS) {
-          // measure current draw, if positive and no enumeration, switch to DCP
-          if (!is_enumerated && (current < CURRENT_THRESHOLD)) {
-            puts("USBP: no enumeration with current draw, switching to DCP mode\n");
-            white_set_usb_power_mode(USB_POWER_DCP);
-            marker = tcnt;
-          }
-        }
-        // keep resetting the timer if there's no current draw in CDP
-        if (current >= CURRENT_THRESHOLD) {
+      // been CLICKS clicks since we switched to CDP
+      if ((tcnt-marker) >= CLICKS) {
+        // measure current draw, if positive and no enumeration, switch to DCP
+        if (!is_enumerated && (current < CURRENT_THRESHOLD)) {
+          puts("USBP: no enumeration with current draw, switching to DCP mode\n");
+          white_set_usb_power_mode(USB_POWER_DCP);
           marker = tcnt;
         }
-      #endif
+      }
+      // keep resetting the timer if there's no current draw in CDP
+      if (current >= CURRENT_THRESHOLD) {
+        marker = tcnt;
+      }
       break;
     case USB_POWER_DCP:
       // been at least CLICKS clicks since we switched to DCP
@@ -213,9 +212,9 @@ void white_usb_power_mode_tick(uint64_t tcnt){
       puts("USB power mode invalid\n");  // set_usb_power_mode prevents assigning invalid values
       break;
   }
-  #else
+#else
   UNUSED(tcnt);
-  #endif
+#endif
 }
 
 bool white_check_ignition(void){
@@ -242,8 +241,10 @@ void white_init(void) {
   set_gpio_alternate(GPIOA, 6, GPIO_AF5_SPI1);
   set_gpio_alternate(GPIOA, 7, GPIO_AF5_SPI1);
 
-  // Set USB power mode
+  // on PC, set USB power mode to CLIENT
+#ifndef EON
   white_set_usb_power_mode(USB_POWER_CLIENT);
+#endif
 
   // B12: GMLAN, ignition sense, pull up
   set_gpio_pullup(GPIOB, 12, PULL_UP);
@@ -310,4 +311,4 @@ const board board_white = {
   .set_can_mode = white_set_can_mode,
   .usb_power_mode_tick = white_usb_power_mode_tick,
   .check_ignition = white_check_ignition
-};
+};

board/main.c

@@ -78,10 +78,14 @@ void started_interrupt_handler(uint8_t interrupt_line) {
     // jenky debounce
     delay(100000);
 
-    // set power savings mode here if on EON build
     #ifdef EON
+      // set power savings mode here if on EON build
       int power_save_state = current_board->check_ignition() ? POWER_SAVE_STATUS_DISABLED : POWER_SAVE_STATUS_ENABLED;
       set_power_save_state(power_save_state);
+      // set CDP usb power mode everytime that the car starts to make sure EON is charging
+      if (current_board->check_ignition()) {
+        current_board->set_usb_power_mode(USB_POWER_CDP);
+      }
     #endif
   }
   EXTI->PR = (1U << interrupt_line);
@@ -159,6 +163,7 @@ int get_health_pkt(void *dat) {
     uint8_t controls_allowed_pkt;
     uint8_t gas_interceptor_detected_pkt;
     uint8_t car_harness_status_pkt;
+    uint8_t usb_power_mode_pkt;
   } *health = dat;
 
   //Voltage will be measured in mv. 5000 = 5V
@@ -195,6 +200,7 @@ int get_health_pkt(void *dat) {
   health->can_fwd_errs_pkt = can_fwd_errs;
   health->gmlan_send_errs_pkt = gmlan_send_errs;
   health->car_harness_status_pkt = car_harness_status;
+  health->usb_power_mode_pkt = usb_power_mode;
 
   return sizeof(*health);
 }
@@ -460,19 +466,7 @@ int usb_cb_control_msg(USB_Setup_TypeDef *setup, uint8_t *resp, bool hardwired)
       break;
     // **** 0xe6: set USB power
     case 0xe6:
-      if (setup->b.wValue.w == 0U) {
-        puts("user setting NONE mode\n");
-        current_board->set_usb_power_mode(USB_POWER_NONE);
-      } else if (setup->b.wValue.w == 1U) {
-        puts("user setting CDP mode\n");
-        current_board->set_usb_power_mode(USB_POWER_CDP);
-      } else if (setup->b.wValue.w == 2U) {
-        puts("user setting DCP mode\n");
-        current_board->set_usb_power_mode(USB_POWER_DCP);
-      } else {
-        puts("user setting CLIENT mode\n");
-        current_board->set_usb_power_mode(USB_POWER_CLIENT);
-      }
+      current_board->set_usb_power_mode(setup->b.wValue.w);
       break;
     // **** 0xf0: do k-line wValue pulse on uart2 for Acura
     case 0xf0: