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Add C++ Peripheral class

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This commit is contained in:
Allen Hill
2026-06-25 18:16:38 -07:00
parent 02b370dd06
commit 1877bb0658
9 changed files with 391 additions and 298 deletions
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src/avclan/avclan_phy.h
+35 -14
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@@ -53,20 +53,6 @@ uint8_t AVCLAN_readbitsi(uint8_t *bits, uint8_t len);
uint8_t AVCLAN_readbitsl(uint16_t *bits, int8_t len);
uint8_t AVCLAN_readbyte(uint8_t *byte);
#define AVCLAN_sendbits(bits, len) \
_Generic((bits), \
const uint16_t *: AVCLAN_sendbitsl, \
uint16_t *: AVCLAN_sendbitsl, \
const uint8_t *: AVCLAN_sendbitsi, \
uint8_t *: AVCLAN_sendbitsi)(bits, len)
#define AVCLAN_readbits(bits, len) \
_Generic((bits), \
const uint16_t *: AVCLAN_readbitsl, \
uint16_t *: AVCLAN_readbitsl, \
const uint8_t *: AVCLAN_readbitsi, \
uint8_t *: AVCLAN_readbitsi)(bits, len)
#ifndef NDEBUG
// Sample and dump bus bit timing over the serial link (REPL `M`).
void AVCLan_Measure(void);
@@ -75,3 +61,38 @@ void AVCLan_Measure(void);
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
template <class T, auto N> avclan_bit_t AVCLAN_sendbits(T bits);
template <class T, auto N> avclan_bit_t AVCLAN_readbits(T *bits);
// Temporary specializations bridging to legacy C API
// Replace with proper (single?) template when phy has been ported
template <auto N>
requires(N <= 8)
avclan_bit_t AVCLAN_sendbits(uint8_t bits) {
return AVCLAN_sendbitsi(&bits, N);
}
template <auto N>
requires(N <= 16)
avclan_bit_t AVCLAN_sendbits(uint16_t bits) {
return AVCLAN_sendbitsl(&bits, N);
}
template <> inline avclan_bit_t AVCLAN_sendbits<8>(uint8_t byte) {
return AVCLAN_sendbyte(&byte);
}
template <auto N>
requires(N <= 8)
avclan_bit_t AVCLAN_readbits(uint8_t *bits) {
return static_cast<avclan_bit_t>(AVCLAN_readbitsi(bits, N));
}
template <auto N>
requires(N <= 16)
avclan_bit_t AVCLAN_readbits(uint16_t *bits) {
return static_cast<avclan_bit_t>(AVCLAN_readbitsl(bits, N));
}
template <> inline avclan_bit_t AVCLAN_readbits<8>(uint8_t *byte) {
return static_cast<avclan_bit_t>(AVCLAN_readbyte(byte));
}
#endif