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-rw-r--r--src/lpc176x/main.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/lpc176x/main.c b/src/lpc176x/main.c
index f0fc6cde..7aa28552 100644
--- a/src/lpc176x/main.c
+++ b/src/lpc176x/main.c
@@ -6,6 +6,9 @@
#include "autoconf.h" // CONFIG_CLOCK_FREQ
#include "board/armcm_boot.h" // armcm_main
+#include "board/armcm_reset.h" // try_request_canboot
+#include "board/irq.h" // irq_disable
+#include "board/misc.h" // bootloader_request
#include "internal.h" // enable_pclock
#include "sched.h" // sched_main
@@ -37,6 +40,23 @@ DECL_INIT(watchdog_init);
* misc functions
****************************************************************/
+// Try to reboot into bootloader
+void
+bootloader_request(void)
+{
+ if (!CONFIG_SMOOTHIEWARE_BOOTLOADER)
+ return;
+ try_request_canboot();
+ // Disable USB and pause for 5ms so host recognizes a disconnect
+ irq_disable();
+ if (CONFIG_USB)
+ usb_disconnect();
+ // The "LPC17xx-DFU-Bootloader" will enter the bootloader if the
+ // watchdog timeout flag is set.
+ LPC_WDT->WDMOD = 0x07;
+ NVIC_SystemReset();
+}
+
// Check if a peripheral clock has been enabled
int
is_enabled_pclock(uint32_t pclk)