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authorKevin O'Connor <kevin@koconnor.net>2019-07-10 20:00:58 -0400
committerKevin O'Connor <kevin@koconnor.net>2019-07-10 20:00:58 -0400
commitb77375e955e2278977c97fe2509c895d6dc75bd9 (patch)
tree2e89db77c88f3396df670a10e0371b406e788c5a
parent0343d0c73aed236232592e9c46874de7ab761139 (diff)
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lpc176x: Reset LPC_UART0->FDR when using serial
The popular "LPC17xx-DFU-Bootloader" alters the LPC_UART0->FDR register, so be sure to reset it back to its default when using serial in Klipper. Reported by @b-vs. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
-rw-r--r--src/lpc176x/serial.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/lpc176x/serial.c b/src/lpc176x/serial.c
index 0e0c6aaf..63755467 100644
--- a/src/lpc176x/serial.c
+++ b/src/lpc176x/serial.c
@@ -24,6 +24,7 @@ serial_init(void)
uint32_t div = pclk / (CONFIG_SERIAL_BAUD * 16);
LPC_UART0->DLL = div & 0xff;
LPC_UART0->DLM = (div >> 8) & 0xff;
+ LPC_UART0->FDR = 0x10;
LPC_UART0->LCR = 3; // 8N1 ; clear DLAB bit
// Enable fifo