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Fixed: checkReceive() return value

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turmary
2021-02-09 11:36:24 +08:00
parent ef05384659
commit ac504106e4
1 changed files with 6 additions and 5 deletions
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src/mcp2518fd_can.cpp
+6 -5
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@@ -2026,12 +2026,13 @@ byte mcp2518fd::readMsgBufID(byte status, volatile unsigned long *id,
** Descriptions: check if got something
*********************************************************************************************************/
byte mcp2518fd::checkReceive(void) {
CAN_RX_FIFO_STATUS status;
// RXnIF in Bit 1 and 0 return ((res & MCP_STAT_RXIF_MASK)? CAN_MSGAVAIL: CAN_NOMSG);
mcp2518fd_ReceiveChannelStatusGet(APP_RX_FIFO, &status);
CAN_RX_FIFO_STATUS status = CAN_RX_FIFO_EMPTY;
byte res = mcp2518fd_ReceiveChannelStatusGet(APP_RX_FIFO, &status);
if (res) {
return CAN_NOMSG;
}
byte res = (byte)(status & CAN_RX_FIFO_NOT_EMPTY_EVENT) + 2;
return res;
return (status & CAN_RX_FIFO_NOT_EMPTY)? CAN_MSGAVAIL: CAN_NOMSG;
}
/*********************************************************************************************************