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Parameterise Peripheral by its Devices and add CDChanger as one

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This commit is contained in:
Allen Hill
2026-06-26 20:10:35 -07:00
parent d98cc8acad
commit 66bbf8639e
21 changed files with 1047 additions and 1022 deletions
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src/avclan/bus.hpp
+20 -25
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@@ -49,31 +49,24 @@
#include <concepts>
#include "avclan.hpp"
#include "avclan_defs.h"
#include "avclan_phy.h" // bridge until phy has been ported
namespace avclan {
class Bus {
public:
struct Error {
enum class Read : uint8_t {
BAD_PARITY = 0x01,
STARTBIT_TOO_SHORT = 0x80, // Start *well* above Peripher::Error::Read
// (which ~inherits these values)
STARTBIT_TOO_LONG,
BAD_STARTBIT,
};
enum class Send : uint8_t {
NAK = 0x01,
};
};
class Handle;
using Error = detail::Error;
void init();
void mute(bool mute);
bool is_muted() const;
Handle get();
Error::Read read(uint16_t address, AVCLAN_frame_t *in, log_t print);
Error::Send send(const AVCLAN_frame_t *out, log_t print);
static Handle get();
};
class Bus::Handle {
@@ -84,6 +77,7 @@ public:
~Handle() { AVCLAN_startEvent(); }
Handle(const Handle &) = delete;
Handle(Handle &&) = delete;
using Error = detail::Error;
bool sendstartbit();
Error::Read readstartbit();
@@ -108,7 +102,8 @@ public:
readbits<1>(&read_parity);
if (calc_parity != read_parity) {
return Read::BAD_PARITY;
} else if (ack()) {
}
if (ack()) {
send_ACK();
} else
readbits<1>(&read_parity);
@@ -133,8 +128,8 @@ private:
bit_start = 0x10
};
void send_ACK();
uint8_t read_ACK();
static void send_ACK();
static uint8_t read_ACK();
template <auto N, class T> avclan_bit_t sendbits(T bits);
template <auto N, class T> avclan_bit_t readbits(T *bits);
@@ -163,16 +158,16 @@ private:
};
};
template <> inline avclan_bit_t Bus::Handle::sendbits<8>(uint8_t byte) {
return AVCLAN_sendbyte(&byte);
template <> inline avclan_bit_t Bus::Handle::sendbits<8>(uint8_t bits) {
return AVCLAN_sendbyte(&bits);
};
template <> inline avclan_bit_t Bus::Handle::sendbits<1>(uint8_t byte) {
const avclan_bit_t b{static_cast<avclan_bit_t>(byte & 1u)};
AVCLAN_sendbit(b);
return b;
template <> inline avclan_bit_t Bus::Handle::sendbits<1>(uint8_t bits) {
const avclan_bit_t bit{static_cast<avclan_bit_t>(bits & 1U)};
AVCLAN_sendbit(bit);
return bit;
};
template <> inline avclan_bit_t Bus::Handle::readbits<8>(uint8_t *byte) {
return static_cast<avclan_bit_t>(AVCLAN_readbyte(byte));
template <> inline avclan_bit_t Bus::Handle::readbits<8>(uint8_t *bits) {
return static_cast<avclan_bit_t>(AVCLAN_readbyte(bits));
};
} // namespace avclan