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Introduce SendCommandMIX, to still get some varlen on old API

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This commit is contained in:
Philippe Teuwen 2019-04-20 02:41:40 +02:00
commit 3bcf80bb34
5 changed files with 37 additions and 6 deletions
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22
client/comms.c
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@ -106,8 +106,7 @@ void SendCommandOLD(uint64_t cmd, uint64_t arg0, uint64_t arg1, uint64_t arg2, v
SendCommand(&c);
}
void SendCommandNG(uint16_t cmd, uint8_t *data, size_t len) {
static void SendCommandNG_internal(uint16_t cmd, uint8_t *data, size_t len, bool ng) {
#ifdef COMMS_DEBUG
PrintAndLogEx(NORMAL, "Sending %d bytes of payload | cmd %04x\n", len, cmd);
#endif
@ -134,6 +133,7 @@ void SendCommandNG(uint16_t cmd, uint8_t *data, size_t len) {
}
txBufferNG.pre.magic = COMMANDNG_PREAMBLE_MAGIC;
txBufferNG.pre.ng = ng;
txBufferNG.pre.length = len;
txBufferNG.pre.cmd = cmd;
memcpy(&txBufferNG.data, data, len);
@ -158,6 +158,24 @@ void SendCommandNG(uint16_t cmd, uint8_t *data, size_t len) {
//__atomic_test_and_set(&txcmd_pending, __ATOMIC_SEQ_CST);
}
void SendCommandNG(uint16_t cmd, uint8_t *data, size_t len) {
SendCommandNG_internal(cmd, data, len, true);
}
void SendCommandMIX(uint64_t cmd, uint64_t arg0, uint64_t arg1, uint64_t arg2, void *data, size_t len) {
uint64_t arg[3] = {arg0, arg1, arg2};
if (len > USB_CMD_DATA_SIZE - sizeof(arg)) {
PrintAndLogEx(WARNING, "Sending %d bytes of payload is too much for MIX frames, abort", len);
return;
}
uint8_t cmddata[USB_CMD_DATA_SIZE];
memcpy(cmddata, arg, sizeof(arg));
if (len && data)
memcpy(cmddata + sizeof(arg), data, len);
SendCommandNG_internal(cmd, cmddata, len + sizeof(arg), false);
}
/**
* @brief This method should be called when sending a new command to the pm3. In case any old
* responses from previous commands are stored in the buffer, a call to this method should clear them.