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atsamd: Add a GET_FUSE() helper macro

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Add a helper macro for accessing the non-volatile factory-calibrated
"fuse" values.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2019-02-22 07:31:10 -05:00
parent 5bc47d9416
commit 37797c8128
3 changed files with 19 additions and 26 deletions
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3
src/atsamd/internal.h
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@@ -15,6 +15,9 @@
#define GPIO2PORT(PIN) ((PIN) / 32)
#define GPIO2BIT(PIN) (1<<((PIN) % 32))
#define GET_FUSE(REG) \
((*((uint32_t*)(REG##_ADDR)) & (REG##_Msk)) >> (REG##_Pos))
void enable_pclock(uint32_t pclk_id, uint32_t pm_id);
uint32_t get_pclock_frequency(uint32_t pclk_id);
void gpio_peripheral(uint32_t gpio, char ptype, int32_t pull_up);