dash/proxmark3
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

chg: add fractional for 921600, 1382400 baudrate

Browse Source
This commit is contained in:
iceman1001
2019-05-18 21:40:45 +02:00
parent d983f49652
commit ec796f4d81
2 changed files with 10 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
common/usart.c
View File

@@ -236,7 +236,13 @@ void usart_init(uint32_t baudrate, uint8_t parity) {
// OVER = 1, -yes we are oversampling
// baudrate == selected clock/8/CD --> this is ours
//
pUS1->US_BRGR = 48000000 / (usart_baudrate << 3);
uint32_t fractional = 0;
if ( baudrate == 921600 )
fractional = 4;
else if ( baudrate == 1382400 )
fractional = 2;
uint32_t brgr = 48000000 / (usart_baudrate << 3);
pUS1->US_BRGR = (fractional << 16) | brgr;
// Write the Timeguard Register
pUS1->US_TTGR = 0;