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Merge pull request #13335 from bergzand/pr/mtd_spi_nor/wait_in_debug

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mtd_spi_nor: Add chip wait timings to debug output
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Kaspar Schleiser 2020-02-25 13:33:00 +01:00 committed by GitHub
commit ab333f3fb2
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1 changed files with 9 additions and 1 deletions
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10
drivers/mtd_spi_nor/mtd_spi_nor.c
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@ -272,6 +272,9 @@ static inline void wait_for_write_complete(const mtd_spi_nor_t *dev, uint32_t us
{ {
unsigned i = 0, j = 0; unsigned i = 0, j = 0;
uint32_t div = 2; uint32_t div = 2;
#if ENABLE_DEBUG && defined(MODULE_XTIMER)
uint32_t diff = xtimer_now_usec();
#endif
do { do {
uint8_t status; uint8_t status;
mtd_spi_cmd_read(dev, dev->opcode->rdsr, &status, sizeof(status)); mtd_spi_cmd_read(dev, dev->opcode->rdsr, &status, sizeof(status));
@ -304,7 +307,12 @@ static inline void wait_for_write_complete(const mtd_spi_nor_t *dev, uint32_t us
thread_yield(); thread_yield();
#endif #endif
} while (1); } while (1);
DEBUG("wait loop %u times, yield %u times\n", i, j); DEBUG("wait loop %u times, yield %u times", i, j);
#if ENABLE_DEBUG && defined(MODULE_XTIMER)
diff = xtimer_now_usec() - diff;
DEBUG(", total wait %"PRIu32"us", diff);
#endif
DEBUG("\n");
} }
static int mtd_spi_nor_init(mtd_dev_t *mtd) static int mtd_spi_nor_init(mtd_dev_t *mtd)