ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #1474 from c1728p9/uart_null_byte 

Remove byte sent at 9600 baud on init on NRF51-DK
pull/1479/head
Sam Grove 2015-12-18 18:00:42 -06:00
parent 48fa2930e5 0a6e345400
commit a8616dc775
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/serial_api.c
View File

@ -39,6 +39,7 @@ static const int acceptedSpeeds[17][2] = {
{28800, UART_BAUDRATE_BAUDRATE_Baud28800},
{31250, (0x00800000UL) /* 31250 baud */},
{38400, UART_BAUDRATE_BAUDRATE_Baud38400},
{56000, (0x00E51000UL) /* 56000 baud */},
{57600, UART_BAUDRATE_BAUDRATE_Baud57600},
{76800, UART_BAUDRATE_BAUDRATE_Baud76800},
{115200, UART_BAUDRATE_BAUDRATE_Baud115200},
@ -77,7 +78,10 @@ void serial_init(serial_t *obj, PinName tx, PinName rx) {
obj->uart->EVENTS_RXDRDY = 0;
// dummy write needed or TXDRDY trails write rather than leads write.
// pins are disconnected so nothing is physically transmitted on the wire
obj->uart->PSELTXD = 0xFFFFFFFF;
obj->uart->EVENTS_TXDRDY = 0;
obj->uart->TXD = 0;
while (obj->uart->EVENTS_TXDRDY != 1);
obj->index = 0;