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fix uart out of bounds warning

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This commit is contained in:
MichaelDvP
2021-03-22 17:05:56 +01:00
parent 355b71cacf
commit 71dfc0e1eb
2 changed files with 6 additions and 4 deletions
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6
src/uart/emsuart_esp32.cpp
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@@ -67,8 +67,10 @@ void IRAM_ATTR EMSuart::emsuart_rx_intr_handler(void * para) {
drop_next_rx_ = true; // we have a overflow
}
}
if (rxbuf[length - 1]) { // check if last byte is break
length++;
if (length > 0 && length < EMS_MAXBUFFERSIZE) {
if (rxbuf[length - 1]) { // check if last byte is break
length++;
}
}
if ((!drop_next_rx_) && ((length == 2) || (length > 4))) {
int baseType = 0;

4
src/uart/emsuart_esp32.h
View File

@@ -46,10 +46,10 @@
#define EMS_TXMODE_HW 4
// LEGACY
#define EMSUART_TX_BIT_TIME 104 // bit time @9600 baud
#define EMSUART_TX_BIT_TIME 104 // bit time @9600 baud
// EMS 1.0
#define EMSUART_TX_BUSY_WAIT (EMSUART_TX_BIT_TIME / 8) // 13
#define EMSUART_TX_BUSY_WAIT (EMSUART_TX_BIT_TIME / 8) // 13
#define EMSUART_TX_TIMEOUT (20 * EMSUART_TX_BIT_TIME / EMSUART_TX_BUSY_WAIT)
#define EMSUART_TX_BRK_EMS (EMSUART_TX_BIT_TIME * 10)