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spi_flash: 2nd stage for supporting flash suspend. (1). Support more esp chips (2). Improve real-time performance (3). Making timing more stable (4) Add documents

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Cao Sen Miao
2023-05-11 20:10:30 +08:00
parent 476e50b026
commit ed96dadd06
34 changed files with 514 additions and 103 deletions
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10
components/hal/esp32/include/hal/spi_flash_ll.h
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@@ -399,6 +399,16 @@ static inline void spi_flash_ll_set_cs_setup(spi_dev_t *dev, uint32_t cs_setup_t
dev->ctrl2.setup_time = cs_setup_time - 1;
}
/**
* @brief Set lock for SPI0 so that spi0 can request new cache request after a cache transfer.
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void spi_flash_ll_set_pe_bit(spi_dev_t *dev)
{
// Not supported on esp32
}
/**
* Get the spi flash source clock frequency. Used for calculating
* the divider parameters.