Fixed and cleaned up build for libftdi platform.

src/command.c

@@ -37,8 +37,6 @@
 
 #include "adiv5.h"
 
-#include <libopencm3/usb/usbd.h>
-
 static void cmd_version(void);
 static void cmd_help(void);
 
@@ -46,8 +44,9 @@ static void cmd_jtag_scan(void);
 static void cmd_swdp_scan(void);
 static void cmd_targets(void);
 static void cmd_morse(void);
-
+#ifdef PLATFORM_HAS_TRACESWO
 static void cmd_traceswo(void);
+#endif
 
 const struct command_s cmd_list[] = {
 	{"version", (cmd_handler)cmd_version, "Display firmware version info"},
@@ -56,8 +55,9 @@ const struct command_s cmd_list[] = {
 	{"swdp_scan", (cmd_handler)cmd_swdp_scan, "Scan SW-DP for devices" },
 	{"targets", (cmd_handler)cmd_targets, "Display list of available targets" },
 	{"morse", (cmd_handler)cmd_morse, "Display morse error message" },
+#ifdef PLATFORM_HAS_TRACESWO
 	{"traceswo", (cmd_handler)cmd_traceswo, "Start trace capture" },
-
+#endif
 	{NULL, NULL, NULL}
 };
 
@@ -168,10 +168,12 @@ void cmd_morse(void)
 		gdb_outf("%s\n", morse_msg);
 }
 
+#ifdef PLATFORM_HAS_TRACESWO
 static void cmd_traceswo(void)
 {
 	extern char serial_no[9];
 	traceswo_init();
 	gdb_outf("%s:%02X:%02X\n", serial_no, 5, 0x85);
 }
+#endif
 

src/linux/platform.c

@@ -121,3 +121,8 @@ int vasprintf(char **strp, const char *fmt, va_list ap)
 }
 #endif
 
+const char *platform_target_voltage(void)
+{
+	return "not supported";
+}
+

src/linux/platform.h

@@ -46,6 +46,7 @@
 extern struct ftdi_context *ftdic;
 
 int platform_init(void);
+const char *platform_target_voltage(void);
 
 void platform_buffer_flush(void);
 int platform_buffer_write(const uint8_t *data, int size);

src/linux/swdptap.c

@@ -29,6 +29,10 @@
 #include "platform.h"
 #include "swdptap.h"
 
+static void swdptap_turnaround(uint8_t dir);
+static uint8_t swdptap_bit_in(void);
+static void swdptap_bit_out(uint8_t val);
+
 int swdptap_init(void)
 {
 	int err;
@@ -61,7 +65,7 @@ void swdptap_reset(void)
         for(int i = 0; i < 50; i++) swdptap_bit_out(1);
 }
 
-void swdptap_turnaround(uint8_t dir)
+static void swdptap_turnaround(uint8_t dir)
 {
 	static uint8_t olddir = 0;
 
@@ -81,7 +85,7 @@ void swdptap_turnaround(uint8_t dir)
 		assert(ftdi_set_bitmode(ftdic, 0xAB, BITMODE_BITBANG) == 0);
 }
 
-uint8_t swdptap_bit_in(void) 
+static uint8_t swdptap_bit_in(void) 
 {
 	uint8_t ret;
 
@@ -95,7 +99,7 @@ uint8_t swdptap_bit_in(void)
 	return ret;
 }
 
-void swdptap_bit_out(uint8_t val)
+static void swdptap_bit_out(uint8_t val)
 {
 	uint8_t buf[3] = "\xA0\xA1\xA0";
 

src/stm32/platform.h

@@ -34,6 +34,7 @@
 #define INCLUDE_UART_INTERFACE
 #define INLINE_GPIO
 #define CDCACM_PACKET_SIZE 	64
+#define PLATFORM_HAS_TRACESWO
 
 /* Important pin mappings for STM32 implementation:
  *