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We reserve 4KB Slow RTC memory to save RF calibation result and BT NVS data.
If not all these Slow RTC momory Blocks are used, we will open the other parts.
This commit is contained in:
jack 2016-09-29 16:29:13 +08:00
parent ed0a85ab4d
commit 4e092be6d6
2 changed files with 3 additions and 3 deletions
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4
components/esp32/include/rom/rtc.h
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@ -44,8 +44,8 @@ extern "C" {
*************************************************************************************
* rtc memory addr type size usage
* 0x3ff61000(0x50000000) Slow SIZE_CP Co-Processor code/Reset Entry
* 0x3ff61000+SIZE_CP Slow 6144-SIZE_CP
* 0x3ff62800 Slow 2048 Reserved
* 0x3ff61000+SIZE_CP Slow 4096-SIZE_CP
* 0x3ff62800 Slow 4096 Reserved
*
* 0x3ff80000(0x400c0000) Fast 8192 deep sleep entry code
*

2
components/esp32/ld/esp32.ld
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@ -48,7 +48,7 @@ MEMORY
Start of RTC slow memory is reserved for ULP co-processor code + data, if enabled.
*/
rtc_slow_seg(RW) : org = 0x50000000 + CONFIG_ULP_COPROC_RESERVE_MEM,
len = 0x2000 - CONFIG_ULP_COPROC_RESERVE_MEM
len = 0x1000 - CONFIG_ULP_COPROC_RESERVE_MEM
}
/* Heap ends at top of dram0_0_seg */