diff options
Diffstat (limited to 'fastpin.h')
| -rw-r--r-- | fastpin.h | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -241,6 +241,28 @@ template<uint8_t PIN> class FastPinBB : public FastPin<PIN> {}; typedef volatile uint32_t & reg32_t; typedef volatile uint32_t * ptr_reg32_t; +// Utility templates for tracking down information about pins and ports +template<uint8_t port> struct __FL_PORT_INFO { + static bool hasPort() { return 0; } + static const char *portName() { return "--"; } + static const void *portAddr() { return NULL; } +}; + +// Give us our instantiations for defined ports - we're going to abuse this later for +// auto discovery of pin/port mappings for new variants. Use _FL_DEFINE_PORT for ports that +// are numeric in nature, e.g. GPIO0, GPIO1. Use _FL_DEFINE_PORT3 for ports that are letters. +// The first parameter will be the letter, the second parameter will be an integer/counter of smoe kind +// (this is because attempts to turn macro parameters into character constants break in some compilers) +#define _FL_DEFINE_PORT(L, BASE) template<> struct __FL_PORT_INFO<L> { static bool hasPort() { return 1; } \ + static const char *portName() { return #L; } \ + typedef BASE __t_baseType; \ + static const void *portAddr() { return (void*)&__t_baseType::r(); } }; + +#define _FL_DEFINE_PORT3(L, LC, BASE) template<> struct __FL_PORT_INFO<LC> { static bool hasPort() { return 1; } \ + static const char *portName() { return #L; } \ + typedef BASE __t_baseType; \ + static const void *portAddr() { return (void*)&__t_baseType::r(); } }; + FASTLED_NAMESPACE_END #pragma GCC diagnostic pop |