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Allocate trampReqBuffer on the stack

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Saves 16 bytes of RAM
This commit is contained in:
Alberto García Hierro 2018-03-05 11:57:45 +00:00
parent fc91b1d573
commit 37a6b32a30
1 changed files with 2 additions and 7 deletions
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9
src/main/io/vtx_tramp.c
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@ -66,7 +66,6 @@ static vtxDevice_t vtxTramp = {
static serialPort_t *trampSerialPort = NULL; static serialPort_t *trampSerialPort = NULL;
static uint8_t trampReqBuffer[16];
static uint8_t trampRespBuffer[16]; static uint8_t trampRespBuffer[16];
typedef enum { typedef enum {
@ -100,11 +99,6 @@ uint8_t trampFreqRetries = 0;
uint16_t trampConfPower = 0; uint16_t trampConfPower = 0;
uint8_t trampPowerRetries = 0; uint8_t trampPowerRetries = 0;
static void trampWriteBuf(uint8_t *buf)
{
serialWriteBuf(trampSerialPort, buf, 16);
}
static uint8_t trampChecksum(uint8_t *trampBuf) static uint8_t trampChecksum(uint8_t *trampBuf)
{ {
uint8_t cksum = 0; uint8_t cksum = 0;
@ -120,13 +114,14 @@ void trampCmdU16(uint8_t cmd, uint16_t param)
if (!trampSerialPort) if (!trampSerialPort)
return; return;
uint8_t trampReqBuffer[16];
memset(trampReqBuffer, 0, ARRAYLEN(trampReqBuffer)); memset(trampReqBuffer, 0, ARRAYLEN(trampReqBuffer));
trampReqBuffer[0] = 15; trampReqBuffer[0] = 15;
trampReqBuffer[1] = cmd; trampReqBuffer[1] = cmd;
trampReqBuffer[2] = param & 0xff; trampReqBuffer[2] = param & 0xff;
trampReqBuffer[3] = (param >> 8) & 0xff; trampReqBuffer[3] = (param >> 8) & 0xff;
trampReqBuffer[14] = trampChecksum(trampReqBuffer); trampReqBuffer[14] = trampChecksum(trampReqBuffer);
trampWriteBuf(trampReqBuffer); serialWriteBuf(trampSerialPort, trampReqBuffer, sizeof(trampReqBuffer));
} }
void trampSetFreq(uint16_t freq) void trampSetFreq(uint16_t freq)