[MSP] Correctly report the configured and active OSD type (#9333)

[MSP] Correctly report the configured and active OSD type

src/main/fc/init.c

@@ -921,6 +921,7 @@ void init(void)
 
 #if (defined(USE_OSD) || (defined(USE_MSP_DISPLAYPORT) && defined(USE_CMS)))
     displayPort_t *osdDisplayPort = NULL;
+    osdDisplayPortDevice_e osdDisplayPortDevice = OSD_DISPLAYPORT_DEVICE_NONE;
 #endif
 
 #if defined(USE_OSD)
@@ -941,6 +942,7 @@ void init(void)
         case OSD_DISPLAYPORT_DEVICE_FRSKYOSD:
             osdDisplayPort = frskyOsdDisplayPortInit(vcdProfile()->video_system);
             if (osdDisplayPort || device == OSD_DISPLAYPORT_DEVICE_FRSKYOSD) {
+                osdDisplayPortDevice = OSD_DISPLAYPORT_DEVICE_FRSKYOSD;
                 break;
             }
             FALLTHROUGH;
@@ -951,6 +953,7 @@ void init(void)
             // If there is a max7456 chip for the OSD configured and detectd then use it.
             osdDisplayPort = max7456DisplayPortInit(vcdProfile());
             if (osdDisplayPort || device == OSD_DISPLAYPORT_DEVICE_MAX7456) {
+                osdDisplayPortDevice = OSD_DISPLAYPORT_DEVICE_MAX7456;
                 break;
             }
             FALLTHROUGH;
@@ -960,6 +963,7 @@ void init(void)
         case OSD_DISPLAYPORT_DEVICE_MSP:
             osdDisplayPort = displayPortMspInit();
             if (osdDisplayPort || device == OSD_DISPLAYPORT_DEVICE_MSP) {
+                osdDisplayPortDevice = OSD_DISPLAYPORT_DEVICE_MSP;
                 break;
             }
             FALLTHROUGH;
@@ -973,7 +977,7 @@ void init(void)
         }
 
         // osdInit will register with CMS by itself.
-        osdInit(osdDisplayPort);
+        osdInit(osdDisplayPort, osdDisplayPortDevice);
     }
 #endif // USE_OSD
 

src/main/io/displayport_max7456.c

@@ -164,6 +164,13 @@ static bool writeFontCharacter(displayPort_t *instance, uint16_t addr, const osd
     return max7456WriteNvm(addr, (const uint8_t *)chr);
 }
 
+static bool isReady(displayPort_t *instance)
+{
+    UNUSED(instance);
+
+    return max7456IsDeviceDetected();
+}
+
 static const displayPortVTable_t max7456VTable = {
     .grab = grab,
     .release = release,
@@ -181,6 +188,7 @@ static const displayPortVTable_t max7456VTable = {
     .layerSelect = layerSelect,
     .layerCopy = layerCopy,
     .writeFontCharacter = writeFontCharacter,
+    .isReady = isReady,
 };
 
 displayPort_t *max7456DisplayPortInit(const vcdProfile_t *vcdProfile)

src/main/msp/msp.c

@@ -52,10 +52,10 @@
 #include "drivers/bus_i2c.h"
 #include "drivers/camera_control.h"
 #include "drivers/compass/compass.h"
+#include "drivers/display.h"
 #include "drivers/dshot.h"
 #include "drivers/flash.h"
 #include "drivers/io.h"
-#include "drivers/max7456.h"
 #include "drivers/motor.h"
 #include "drivers/osd.h"
 #include "drivers/pwm_output.h"
@@ -111,7 +111,6 @@
 #include "pg/beeper.h"
 #include "pg/board.h"
 #include "pg/gyrodev.h"
-#include "pg/max7456.h"
 #include "pg/motor.h"
 #include "pg/rx.h"
 #include "pg/rx_spi.h"
@@ -847,23 +846,37 @@ static bool mspCommonProcessOutCommand(uint8_t cmdMSP, sbuf_t *dst, mspPostProce
 #define OSD_FLAGS_OSD_FEATURE           (1 << 0)
 //#define OSD_FLAGS_OSD_SLAVE             (1 << 1)
 #define OSD_FLAGS_RESERVED_1            (1 << 2)
-#define OSD_FLAGS_RESERVED_2            (1 << 3)
+#define OSD_FLAGS_OSD_HARDWARE_FRSKYOSD (1 << 3)
 #define OSD_FLAGS_OSD_HARDWARE_MAX_7456 (1 << 4)
-#define OSD_FLAGS_MAX7456_DETECTED      (1 << 5)
+#define OSD_FLAGS_OSD_DEVICE_DETECTED   (1 << 5)
 
         uint8_t osdFlags = 0;
 #if defined(USE_OSD)
         osdFlags |= OSD_FLAGS_OSD_FEATURE;
-#endif
-#ifdef USE_MAX7456
-        if (max7456Config()->csTag && max7456Config()->spiDevice) {
-            osdFlags |= OSD_FLAGS_OSD_HARDWARE_MAX_7456;
-            if (max7456IsDeviceDetected()) {
-                osdFlags |= OSD_FLAGS_MAX7456_DETECTED;
+
+        osdDisplayPortDevice_e device = OSD_DISPLAYPORT_DEVICE_NONE;
+        displayPort_t *osdDisplayPort = osdGetDisplayPort(&device);
+        if (osdDisplayPort) {
+            switch (device) {
+                case OSD_DISPLAYPORT_DEVICE_NONE:
+                case OSD_DISPLAYPORT_DEVICE_AUTO:
+                    break;
+                case OSD_DISPLAYPORT_DEVICE_MAX7456:
+                    osdFlags |= OSD_FLAGS_OSD_HARDWARE_MAX_7456;
+                    break;
+                case OSD_DISPLAYPORT_DEVICE_MSP:
+                    break;
+                case OSD_DISPLAYPORT_DEVICE_FRSKYOSD:
+                    osdFlags |= OSD_FLAGS_OSD_HARDWARE_FRSKYOSD;
+                    break;
+            }
+            if (osdFlags | (OSD_FLAGS_OSD_HARDWARE_MAX_7456 | OSD_FLAGS_OSD_HARDWARE_FRSKYOSD)) {
+                if (displayIsReady(osdDisplayPort)) {
+                    osdFlags |= OSD_FLAGS_OSD_DEVICE_DETECTED;
+                }
             }
         }
 #endif
-
         sbufWriteU8(dst, osdFlags);
 
 #ifdef USE_MAX7456
@@ -3386,7 +3399,7 @@ static mspResult_e mspCommonProcessInCommand(mspDescriptor_t srcDesc, uint8_t cm
             for (unsigned ii = 0; ii < MIN(osdCharacterBytes, sizeof(chr.data)); ii++) {
                 chr.data[ii] = sbufReadU8(src);
             }
-            displayPort_t *osdDisplayPort = osdGetDisplayPort();
+            displayPort_t *osdDisplayPort = osdGetDisplayPort(NULL);
             if (!osdDisplayPort) {
                 return MSP_RESULT_ERROR;
             }

src/main/osd/osd.c

@@ -126,6 +126,7 @@ static uint8_t armState;
 static uint8_t osdProfile = 1;
 #endif
 static displayPort_t *osdDisplayPort;
+static osdDisplayPortDevice_e osdDisplayPortDevice;
 static bool osdIsReady;
 
 static bool suppressStatsDisplay = false;
@@ -408,13 +409,14 @@ static void osdCompleteInitialization(void)
     osdIsReady = true;
 }
 
-void osdInit(displayPort_t *osdDisplayPortToUse)
+void osdInit(displayPort_t *osdDisplayPortToUse, osdDisplayPortDevice_e displayPortDeviceToUse)
 {
     if (!osdDisplayPortToUse) {
         return;
     }
 
     osdDisplayPort = osdDisplayPortToUse;
+    osdDisplayPortDevice = displayPortDeviceToUse;
 #ifdef USE_CMS
     cmsDisplayPortRegister(osdDisplayPort);
 #endif
@@ -1042,8 +1044,11 @@ bool osdNeedsAccelerometer(void)
 }
 #endif // USE_ACC
 
-displayPort_t *osdGetDisplayPort(void)
+displayPort_t *osdGetDisplayPort(osdDisplayPortDevice_e *displayPortDevice)
 {
+    if (displayPortDevice) {
+        *displayPortDevice = osdDisplayPortDevice;
+    }
     return osdDisplayPort;
 }
 

src/main/osd/osd.h

@@ -320,7 +320,7 @@ extern escSensorData_t *osdEscDataCombined;
 #endif
 
 struct displayPort_s;
-void osdInit(struct displayPort_s *osdDisplayPort);
+void osdInit(struct displayPort_s *osdDisplayPort, osdDisplayPortDevice_e displayPortDevice);
 bool osdInitialized(void);
 void osdUpdate(timeUs_t currentTimeUs);
 void osdStatSetState(uint8_t statIndex, bool enabled);
@@ -336,4 +336,4 @@ bool osdElementVisible(uint16_t value);
 bool osdGetVisualBeeperState(void);
 statistic_t *osdGetStats(void);
 bool osdNeedsAccelerometer(void);
-struct displayPort_s *osdGetDisplayPort(void);
+struct displayPort_s *osdGetDisplayPort(osdDisplayPortDevice_e *displayPortDevice);

src/test/unit/link_quality_unittest.cc

@@ -200,7 +200,7 @@ TEST(LQTest, TestInit)
 
     // when
     // OSD is initialised
-    osdInit(&testDisplayPort);
+    osdInit(&testDisplayPort, OSD_DISPLAYPORT_DEVICE_AUTO);
 
     // then
     // display buffer should contain splash screen

src/test/unit/osd_unittest.cc

@@ -223,7 +223,7 @@ TEST(OsdTest, TestInit)
 
     // when
     // OSD is initialised
-    osdInit(&testDisplayPort);
+    osdInit(&testDisplayPort, OSD_DISPLAYPORT_DEVICE_AUTO);
 
     // then
     // display buffer should contain splash screen