avr/spi
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Replaced legacy io library with new templated io library

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This commit is contained in:
BlackMark 2020-02-21 16:56:30 +01:00
parent aa78ced242
commit d28cfc2929
1 changed files with 19 additions and 33 deletions
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52
spi.hpp
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@ -1,6 +1,6 @@
#pragma once #pragma once
#include "../inout/inout.h" #include "../io/io.hpp"
#include <avr/io.h> #include <avr/io.h>
@ -26,15 +26,10 @@ class Spi {
static void setCPOL(bool bCPOL); static void setCPOL(bool bCPOL);
static void setCPHA(bool bCPHA); static void setCPHA(bool bCPHA);
static constexpr InOut::Pin sm_enmSCK = InOut::Pin::P_B5; static io::Pin<io::P::B5> sm_cSCK;
static constexpr InOut::Pin sm_enmMISO = InOut::Pin::P_B4; static io::Pin<io::P::B4> sm_cMISO;
static constexpr InOut::Pin sm_enmMOSI = InOut::Pin::P_B3; static io::Pin<io::P::B3> sm_cMOSI;
static constexpr InOut::Pin sm_enmSS = InOut::Pin::P_B2; static io::Pin<io::P::B2> sm_cSS;
static InOutPin sm_cSCK;
static InOutPin sm_cMISO;
static InOutPin sm_cMOSI;
static InOutPin sm_cSS;
public: public:
static void init(ClockDiv enmClockDiv = ClockDiv::CLKDIV_128, Mode enmMode = Mode::MODE_0, bool bMaster = true, static void init(ClockDiv enmClockDiv = ClockDiv::CLKDIV_128, Mode enmMode = Mode::MODE_0, bool bMaster = true,
@ -50,12 +45,6 @@ class Spi {
static void select(bool bSelect); static void select(bool bSelect);
}; };
//////////////////////////////////////////////////////////////////////////
InOutPin Spi::sm_cSCK;
InOutPin Spi::sm_cMISO;
InOutPin Spi::sm_cMOSI;
InOutPin Spi::sm_cSS;
////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////
void Spi::setCPOL(bool bCPOL) void Spi::setCPOL(bool bCPOL)
{ {
@ -80,23 +69,20 @@ void Spi::setCPHA(bool bCPHA)
void Spi::init(ClockDiv enmClockDiv /* = ClockDiv::CLKDIV_128 */, Mode enmMode /* = Mode::MODE_0 */, void Spi::init(ClockDiv enmClockDiv /* = ClockDiv::CLKDIV_128 */, Mode enmMode /* = Mode::MODE_0 */,
bool bMaster /* = true */, bool bLSBFirst /* = false */, bool bMISOPullup /* = false */) bool bMaster /* = true */, bool bLSBFirst /* = false */, bool bMISOPullup /* = false */)
{ {
sm_cSCK.setPin(sm_enmSCK);
sm_cMISO.setPin(sm_enmMISO);
sm_cMOSI.setPin(sm_enmMOSI);
sm_cSS.setPin(sm_enmSS);
if (bMaster) { if (bMaster) {
sm_cSS.write(true); sm_cSS.write(true);
sm_cSCK.setDirection(InOut::Dir::D_OUT, false); sm_cSCK.dir(io::Dir::OUT);
sm_cMISO.setDirection(InOut::Dir::D_IN, bMISOPullup); sm_cMISO.dir(io::Dir::IN);
sm_cMOSI.setDirection(InOut::Dir::D_OUT, false); sm_cMISO.pullup(bMISOPullup);
sm_cSS.setDirection(InOut::Dir::D_OUT, false); sm_cMOSI.dir(io::Dir::OUT);
sm_cSS.dir(io::Dir::OUT);
} else { } else {
sm_cSCK.setDirection(InOut::Dir::D_IN, false); sm_cSCK.dir(io::Dir::IN);
sm_cMISO.setDirection(InOut::Dir::D_OUT, false); sm_cMISO.dir(io::Dir::OUT);
sm_cMOSI.setDirection(InOut::Dir::D_IN, false); sm_cMOSI.dir(io::Dir::IN);
sm_cSS.setDirection(InOut::Dir::D_IN, true); sm_cSS.dir(io::Dir::IN);
sm_cSS.pullup(true);
} }
setClockDiv(enmClockDiv); setClockDiv(enmClockDiv);
@ -112,10 +98,10 @@ void Spi::deinit()
{ {
SPCR = 0; SPCR = 0;
sm_cSCK.setDirection(InOut::Dir::D_IN, false); sm_cSCK.dir(io::Dir::IN);
sm_cMISO.setDirection(InOut::Dir::D_IN, false); sm_cMISO.dir(io::Dir::IN);
sm_cMOSI.setDirection(InOut::Dir::D_IN, false); sm_cMOSI.dir(io::Dir::IN);
sm_cSS.setDirection(InOut::Dir::D_IN, false); sm_cSS.dir(io::Dir::IN);
} }
////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////