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AP_FlashIface_JEDEC: adjust for where only one mmode clock is req

This commit is contained in:
Siddharth Purohit 2021-06-11 15:21:04 +05:30 committed by Andrew Tridgell
parent dd9f3257cc
commit 30eb5501ce
1 changed files with 7 additions and 3 deletions
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10
libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp
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@ -895,15 +895,19 @@ bool AP_FlashIface_JEDEC::read(uint32_t offset, uint8_t* data, uint32_t size)
read_size = MIN((offset+size) - read_ptr, MAX_READ_SIZE);
AP_HAL::QSPIDevice::CommandHeader cmd;
cmd.cmd = _desc.fast_read_ins;
cmd.addr = read_ptr;
cmd.alt = 0;
cmd.cfg = AP_HAL::QSPI::CFG_CMD_MODE_ONE_LINE |
AP_HAL::QSPI::CFG_ADDR_MODE_FOUR_LINES |
AP_HAL::QSPI::CFG_ADDR_SIZE_24 |
AP_HAL::QSPI::CFG_DATA_MODE_FOUR_LINES |
AP_HAL::QSPI::CFG_ALT_SIZE_8 |
AP_HAL::QSPI::CFG_ALT_MODE_FOUR_LINES;
cmd.addr = read_ptr;
cmd.alt = 0;
cmd.dummy = _desc.fast_read_dummy_cycles;
if (_desc.fast_read_mode_clocks == 1){
cmd.dummy = _desc.fast_read_dummy_cycles - 1;
} else {
cmd.dummy = _desc.fast_read_dummy_cycles;
}
_dev->set_cmd_header(cmd);
if (!_dev->transfer(nullptr, 0, &data[read_ptr-offset], read_size)) { // Command only
Debug("Failed to read flash");