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

Use more defines when using main clock or master clock

Browse Source
This commit is contained in:
Philippe Teuwen
2019-08-06 13:40:08 +02:00
parent 2cbe43f269
commit 8b3159c83d
6 changed files with 11 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
common/usart.c
View File

@@ -229,9 +229,9 @@ void usart_init(uint32_t baudrate, uint8_t parity) {
// OVER = 1, -yes we are oversampling
// baudrate == selected clock/8/CD --> this is ours
//
uint32_t brgr = 48000000 / (usart_baudrate << 3);
uint32_t brgr = MCK / (usart_baudrate << 3);
// doing fp = round((mck / (usart_baudrate << 3) - brgr) * 8) with integers:
uint32_t fp = ((16 * 48000000 / (usart_baudrate << 3) - 16 * brgr) + 1) / 2;
uint32_t fp = ((16 * MCK / (usart_baudrate << 3) - 16 * brgr) + 1) / 2;
pUS1->US_BRGR = (fp << 16) | brgr;