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invert csum in telemetry

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This commit is contained in:
Thorsten Laux 2019-05-02 14:05:38 +02:00
parent 4a7be33c25
commit f1e9c9f19a
3 changed files with 2 additions and 31 deletions
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4
src/main/drivers/pwm_output_dshot_shared.c
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@ -150,7 +150,7 @@ static uint16_t decodeDshotPacket(uint32_t buffer[])
csum = csum ^ (csum >> 8); // xor bytes
csum = csum ^ (csum >> 4); // xor nibbles
if ((csum & 0xf) != 0) {
if ((csum & 0xf) != 0xf) {
return 0xffff;
}
return value >> 4;
@ -176,7 +176,7 @@ static uint16_t decodeProshotPacket(uint32_t buffer[])
csum = csum ^ (csum >> 8); // xor bytes
csum = csum ^ (csum >> 4); // xor nibbles
if ((csum & 0xf) != 0) {
if ((csum & 0xf) != 0xf) {
return 0xffff;
}
return value >> 4;