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continuing pl pcdu

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This commit is contained in:
Robin Müller
2022-02-21 14:42:05 +01:00
parent aee3f7b075
commit cd2097850e
9 changed files with 194 additions and 35 deletions
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14
mission/devices/max1227.cpp
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@ -2,14 +2,6 @@
#include <cstring>
uint8_t max1227::buildConvByte(ScanModes scanMode, uint8_t channel, bool readTemp) {
return (1 << 7) | (channel << 3) | (scanMode << 1) | readTemp;
}
uint8_t max1227::buildSetupByte(ClkSel clkSel, RefSel refSel, DiffSel diffSel) {
return (1 << 6) | (clkSel << 4) | (refSel << 2) | diffSel;
}
void max1227::prepareExternallyClockedSingleChannelRead(uint8_t *spiBuf, uint8_t channel,
size_t &sz) {
spiBuf[0] = buildConvByte(ScanModes::N_ONCE, channel, false);
@ -18,21 +10,19 @@ void max1227::prepareExternallyClockedSingleChannelRead(uint8_t *spiBuf, uint8_t
sz = 3;
}
uint8_t max1227::buildResetByte(bool fifoOnly) { return (1 << 4) | (fifoOnly << 3); }
void max1227::prepareExternallyClockedRead0ToN(uint8_t *spiBuf, uint8_t n, size_t &sz) {
for (uint8_t idx = 0; idx <= n; idx++) {
spiBuf[idx * 2] = buildConvByte(ScanModes::N_ONCE, idx, false);
spiBuf[idx * 2 + 1] = 0x00;
}
spiBuf[(n + 1) * 2] = 0x00;
sz = (n + 1) * 2 + 1;
sz += (n + 1) * 2 + 1;
}
void max1227::prepareExternallyClockedTemperatureRead(uint8_t *spiBuf, size_t &sz) {
spiBuf[0] = buildConvByte(ScanModes::N_ONCE, 0, true);
std::memset(spiBuf + 1, 0, 24);
sz = 25;
sz += 25;
}
float max1227::getTemperature(int16_t temp) { return static_cast<float>(temp) * 0.125; }