arch/mips/pic32mz/pic32mz-lowconsole.c: Wait for transfer complete.

Wait for the transfer to complete when using up_lowputc.
2020-01-31 00:52:38 +00:00 · 2020-01-31 00:52:38 +00:00 · 73bdb433bb
commit 73bdb433bb
parent 701b6897d7
1 changed files with 3 additions and 0 deletions
--- a/arch/mips/src/pic32mz/pic32mz-lowconsole.c
+++ b/arch/mips/src/pic32mz/pic32mz-lowconsole.c
@ -493,5 +493,8 @@ void up_lowputc(char ch)

  pic32mz_putreg(PIC32MZ_CONSOLE_BASE, PIC32MZ_UART_TXREG_OFFSET,
                 (uint32_t)ch);
+
+  while ((pic32mz_getreg(PIC32MZ_CONSOLE_BASE, PIC32MZ_UART_STA_OFFSET) &
+          UART_STA_UTRMT) == 0);
 #endif
 }