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minor code optimizations

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This commit is contained in:
Paul
2019-10-13 14:34:28 +02:00
parent 633aec9fcd
commit a97ecb414a
4 changed files with 18 additions and 45 deletions
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4
src/emsuart.cpp
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@@ -178,7 +178,7 @@ void ICACHE_FLASH_ATTR emsuart_tx_brk() {
uint32_t tmp;
// must make sure Tx FIFO is empty
while (((USS(EMSUART_UART) >> USTXC) & 0xFF) != 0)
while (((USS(EMSUART_UART) >> USTXC) & 0xFF))
;
tmp = ((1 << UCRXRST) | (1 << UCTXRST)); // bit mask
@@ -227,7 +227,7 @@ _EMS_TX_STATUS ICACHE_FLASH_ATTR emsuart_tx_buffer(uint8_t * buf, uint8_t len) {
USF(EMSUART_UART) = buf[i];
// just to be safe wait for tx fifo empty (needed?)
while (((USS(EMSUART_UART) >> USTXC) & 0xff) != 0)
while (((USS(EMSUART_UART) >> USTXC) & 0xff))
;
// wait until bits are sent on wire