Structure build system to build for multiple boards/apps/environments

firmware/apps/dfu/Makefile

@@ -0,0 +1 @@
+C_FILES += $(C_LIBUSB_DFU)

firmware/apps/dfu/main.c

@@ -0,0 +1,107 @@
+#include "board.h"
+#include "utils.h"
+#include "usb/device/dfu/dfu.h"
+#include "usb/common/dfu/usb_dfu.h"
+#include "manifest.h"
+
+unsigned int g_unique_id[4];
+
+/*----------------------------------------------------------------------------
+ *       Callbacks
+ *----------------------------------------------------------------------------*/
+
+#if 0
+void USBDDriverCallbacks_ConfigurationChanged(uint8_t cfgnum)
+{
+	TRACE_INFO_WP("cfgChanged%d ", cfgnum);
+	simtrace_config = cfgnum;
+}
+#endif
+
+/* returns '1' in case we should break any endless loop */
+static void check_exec_dbg_cmd(void)
+{
+	int ch;
+
+	if (!UART_IsRxReady())
+		return;
+
+	ch = UART_GetChar();
+
+	//board_exec_dbg_cmd(ch);
+}
+
+/*------------------------------------------------------------------------------
+ *        Main
+ *------------------------------------------------------------------------------*/
+#define MAX_USB_ITER BOARD_MCK/72	// This should be around a second
+extern int main(void)
+{
+	uint8_t isUsbConnected = 0;
+	unsigned int i = 0;
+
+	LED_Configure(LED_NUM_RED);
+	LED_Configure(LED_NUM_GREEN);
+	LED_Set(LED_NUM_RED);
+
+	/* Disable watchdog */
+	WDT_Disable(WDT);
+
+	//req_ctx_init();
+
+	PIO_InitializeInterrupts(0);
+
+	EEFC_ReadUniqueID(g_unique_id);
+
+        printf("\r\n\r\n"
+		"=============================================================================\r\n"
+		"DFU bootloader %s for board %s (C) 2010-2017 by Harald Welte\r\n"
+		"=============================================================================\r\n",
+		manifest_revision, manifest_board);
+
+	TRACE_INFO("Serial Nr. %08x-%08x-%08x-%08x\r\n",
+		   g_unique_id[0], g_unique_id[1],
+		   g_unique_id[2], g_unique_id[3]);
+
+	//board_main_top();
+
+	TRACE_INFO("USB init...\r\n");
+	USBDFU_Initialize(&dfu_descriptors);
+
+	while (USBD_GetState() < USBD_STATE_CONFIGURED) {
+		check_exec_dbg_cmd();
+#if 0
+		if (i >= MAX_USB_ITER * 3) {
+			TRACE_ERROR("Resetting board (USB could "
+				    "not be configured)\r\n");
+			NVIC_SystemReset();
+		}
+#endif
+		i++;
+	}
+
+	TRACE_INFO("entering main loop...\r\n");
+	while (1) {
+#if TRACE_LEVEL >= TRACE_LEVEL_DEBUG
+		const char rotor[] = { '-', '\\', '|', '/' };
+		putchar('\b');
+		putchar(rotor[i++ % ARRAY_SIZE(rotor)]);
+#endif
+		check_exec_dbg_cmd();
+		//osmo_timers_prepare();
+		//osmo_timers_update();
+
+		if (USBD_GetState() < USBD_STATE_CONFIGURED) {
+
+			if (isUsbConnected) {
+				isUsbConnected = 0;
+			}
+		} else if (isUsbConnected == 0) {
+			TRACE_INFO("USB is now configured\r\n");
+			LED_Set(LED_NUM_GREEN);
+			LED_Clear(LED_NUM_RED);
+
+			isUsbConnected = 1;
+		}
+	}
+}