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Merge pull request #153 from techie66/bugfix_140

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Change order of TX buffer fill to ensure in-order sending of frames.
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ShuishengPeng
2025-02-06 10:22:56 +08:00
committed by GitHub
parent 23b23eff5c c8556d5c1b
commit ad48756e56
1 changed files with 1 additions and 1 deletions
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src/mcp2515_can.cpp
+1 -1
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@@ -1038,7 +1038,7 @@ byte mcp2515_can::mcp2515_getNextFreeTXBuf(byte* txbuf_n) { // get
}
// check all 3 TX-Buffers except reserved
for (i = 0; i < MCP_N_TXBUFFERS - nReservedTx; i++) {
for (i = MCP_N_TXBUFFERS - nReservedTx; i >= 0; i--) {
if ((status & txStatusPendingFlag(i)) == 0) {
*txbuf_n = txCtrlReg(i) + 1; // return SIDH-address of Buffer
mcp2515_modifyRegister(MCP_CANINTF, txIfFlag(i), 0);