From 820f3b81d14e22ed782310bf2426fbee8e110cd0 Mon Sep 17 00:00:00 2001 From: Andy Piper Date: Thu, 2 Feb 2023 17:38:40 +0000 Subject: [PATCH] AP_FlashIface: add comment on alternate byte usage with fast read --- libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp b/libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp index 47ed9198be..8aedfc6455 100644 --- a/libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp +++ b/libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp @@ -930,7 +930,7 @@ bool AP_FlashIface_JEDEC::start_xip_mode(void** addr) // Set QSPI module for XIP mode AP_HAL::QSPIDevice::CommandHeader cmd; cmd.cmd = _desc.fast_read_ins; // generally 0xEB for 1-4-4 access - cmd.alt = 0xF0; // add M0-7 bits in alt to make up 32-bit address phase + cmd.alt = 0xF0; // add M0-7 bits in alt to make up 32-bit address phase, sec 8.2.11 W25Q64JV reference cmd.cfg = AP_HAL::QSPI::CFG_ADDR_SIZE_24 | AP_HAL::QSPI::CFG_CMD_MODE_ONE_LINE | AP_HAL::QSPI::CFG_ADDR_MODE_FOUR_LINES |