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Define and utilize memory region backup_ram.

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This commit is contained in:
Jared Boone 2016-02-05 16:45:23 -08:00
parent 682c87e3ff
commit fd3f962e40
2 changed files with 7 additions and 2 deletions
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7
firmware/common/portapack_persistent_memory.cpp
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@ -25,6 +25,9 @@
#include "utility.hpp"
#include "memory_map.hpp"
using portapack::memory::map::backup_ram;
#include <algorithm>
#include <utility>
@ -43,9 +46,9 @@ struct data_t {
int32_t correction_ppb;
};
static_assert(sizeof(data_t) <= 0x100, "Persistent memory structure too large for VBAT-maintained region");
static_assert(sizeof(data_t) <= backup_ram.size(), "Persistent memory structure too large for VBAT-maintained region");
static data_t* const data = reinterpret_cast<data_t*>(LPC_BACKUP_REG_BASE);
static data_t* const data = reinterpret_cast<data_t*>(backup_ram.base());
rf::Frequency tuned_frequency() {
rf::tuning_range.reset_if_outside(data->tuned_frequency, tuned_frequency_reset_value);