Initial commit for Duplex board

Config.h

@@ -21,9 +21,9 @@
 
 // Select one board (STM32F103 based boards)
 // 1) ZUMspot RPi or ZUMspot USB:
-// #define ZUMSPOT_ADF7021
+#define ZUMSPOT_ADF7021
 // 2) Libre Kit board or any homebrew hotspot with modified RF7021SE and Blue Pill STM32F103:
-#define LIBRE_KIT_ADF7021
+// #define LIBRE_KIT_ADF7021
 // 3) MMDVM_HS_Hat revisions 1.1, 1.2 and 1.4 (DB9MAT & DF2ET)
 // #define MMDVM_HS_HAT_REV12
 // 4) MMDVM_HS_Dual_Hat revisions 1.0 (DB9MAT & DF2ET & DO7EN)
@@ -37,7 +37,7 @@
 #define ENABLE_ADF7021
 
 // Enable full duplex support with dual ADF7021 (valid for homebrew hotspots only):
-// #define DUPLEX
+#define DUPLEX
 
 // TCXO of the ADF7021
 // For 14.7456 MHz:
@@ -56,8 +56,8 @@
 // #define AD7021_GAIN_HIGH
 
 // Host communication selection:
-// #define STM32_USART1_HOST
-#define STM32_USB_HOST
+#define STM32_USART1_HOST
+// #define STM32_USB_HOST
 // #define STM32_I2C_HOST
 
 // I2C host address:
@@ -67,7 +67,7 @@
 #define ENABLE_SCAN_MODE
 
 // Send RSSI value:
-// #define SEND_RSSI_DATA
+#define SEND_RSSI_DATA
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
@@ -95,7 +95,7 @@
 // #define USE_ALTERNATE_POCSAG_LEDS
 
 // Enable for RPi 3B+, USB mode
-#define LONG_USB_RESET
+// #define LONG_USB_RESET
 
 // Enable modem debug messages
 #define ENABLE_DEBUG

IOSTM.cpp

@@ -115,6 +115,9 @@
 #define PIN_RXD              GPIO_Pin_4
 #define PORT_RXD             GPIOB
 
+#define PIN_RXD2             GPIO_Pin_4
+#define PORT_RXD2            GPIOA
+
 // TXD used in SPI Data mode of ADF7021
 // TXD is TxRxCLK of ADF7021, standard TX/RX data interface
 #define PIN_TXD              GPIO_Pin_3
@@ -122,6 +125,12 @@
 #define PIN_TXD_INT          GPIO_PinSource3
 #define PORT_TXD_INT         GPIO_PortSourceGPIOB
 
+// TXD2 is TxRxCLK of the second ADF7021, standard TX/RX data interface
+#define PIN_TXD2             GPIO_Pin_8
+#define PORT_TXD2            GPIOA
+#define PIN_TXD2_INT         GPIO_PinSource8
+#define PORT_TXD2_INT        GPIO_PortSourceGPIOA
+
 // CLKOUT used in SPI Data mode of ADF7021
 #define PIN_CLKOUT           GPIO_Pin_15
 #define PORT_CLKOUT          GPIOA
@@ -131,8 +140,8 @@
 #define PIN_LED              GPIO_Pin_13
 #define PORT_LED             GPIOC
 
-#define PIN_DEB              GPIO_Pin_9
-#define PORT_DEB             GPIOB
+#define PIN_DEB              GPIO_Pin_7
+#define PORT_DEB             GPIOA
 
 #define PIN_DSTAR_LED        GPIO_Pin_12
 #define PORT_DSTAR_LED       GPIOB
@@ -280,9 +289,9 @@ extern "C" {
 
 #if defined(DUPLEX)
   void EXTI9_5_IRQHandler(void) {
-    if(EXTI_GetITStatus(EXTI_Line5)!=RESET) {
+    if(EXTI_GetITStatus(EXTI_Line8)!=RESET) {
       io.interrupt2();
-    EXTI_ClearITPendingBit(EXTI_Line5);
+    EXTI_ClearITPendingBit(EXTI_Line8);
     }
   }
 #endif
@@ -393,6 +402,7 @@ void CIO::Init()
 #endif
   GPIO_Init(PORT_TXD, &GPIO_InitStruct);
 #if defined(DUPLEX)
+  GPIO_InitStruct.GPIO_Pin   = PIN_TXD2;
   GPIO_Init(PORT_TXD2, &GPIO_InitStruct);
 #endif
 
@@ -496,7 +506,7 @@ void CIO::Init()
   // Connect EXTI5 Line
   GPIO_EXTILineConfig(PORT_TXD2_INT, PIN_TXD2_INT);
   // Configure EXT5 line
-  EXTI_InitStructure2.EXTI_Line = EXTI_Line5;
+  EXTI_InitStructure2.EXTI_Line = EXTI_Line8;
 #endif
 
 #endif