chip/sam_1wire.c:921:7: warning: implicit declaration of function 'sam_usart0_enableclk' [-Wimplicit-function-declaration]
921 | sam_usart0_enableclk();
The same warning applied for other uart/usart peripherals configured
as 1 wire.
Signed-off-by: Michal Lenc <michallenc@seznam.cz>
This commit adds support to TIOCGICOUNT for STM32, this way a
userspace application can collect information about UART errors.
Signed-off-by: Alan C. Assis <acassis@gmail.com>
Fixes bug where stm32_phyinit will succeed even when no PHY is connected. This is because there is no check that a PHY is actually communicating and returning data.
Update include/nuttx/net/mii.h
Co-authored-by: Xiang Xiao <xiaoxiang781216@gmail.com>
Due to interrupt latencies the i2c transfer done interrupt can get
deferred by a few hunder microseconds. This makes the i2c transfer timeout
way too early, even though the i2c IP block is already done.
Fix this by adding a significant amount of margin (1ms) to the timeout
value.
This removes several error conditions that can be present after a failed
i2c transaction. The most important of them is the priv->sem_isr semaphore
which can be signaled due to a race condition.
This also ensures the i2c device itself is in idle state before futzing
around with it.
Also, add a comment about the SI-flag in the I2C CTRL register; it has
a hidden dual meaning. Not only does it clear a pending interrupt, it
also moves the I2C IP state machine forward. This requires extra logic
in the driver to cope.
This selects ARM_THUMB for ARMV7R per ARM document:
https://developer.arm.com/documentation/dui0471
Thanks to hujun260 for spotting this, now ostest works.
Why it helps is still to be clarified, the `arm_signal_handler.S`
might require this THUMB option.
To keep ARM_THUMB as option, this only selects it for
PROTECTED as per anchao's suggestion.
Signed-off-by: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
This adds up_allocate_heap() support for PROTECTED mode so that
kernel and user heap sizes match memory.ld linker script.
Signed-off-by: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
This fixes task start syscall in PROTECTED mode, following that
of armv7-m so that hello and getprime programs can run smoothly.
Signed-off-by: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
This adds MPU and userspace handling in QEMU chips so that to
boot PROTECTED target qemu-armv7r:pnsh.
Signed-off-by: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
This copies struct mpu_region_s from armv7-m to fix PROTECTED mode
build error: `invalid use of undefined type 'struct mpu_region_s'`
Signed-off-by: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
This fixes undefined 'ARCH_DATA_RESERVE' in arm_syscall.c:382 so
that to build qemu-armv7r:pnsh. Per nuttx/addrenv.h, that macro
is defined for BUILD_KERNEL, we need use BUILD_PROTECTED now.
Signed-off-by: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
This fixes below issues when building for PROTECTED mode:
- `common/arm_fork.c:223 'struct xcpt_syscall_s' has no member 'cpsr'`
- `armv7-r/arm_syscall.c:454 'xcptcontext' has no member 'sigreturn'`
Signed-off-by: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
Espnow is a connectionless WiFi communication protocol that can be used
to exchange information between esp nodes.
A espnow pktradio driver is proposed that allows building a 6lowpan
network of nodes.
The driver has been evaluated using udpclient & server running on
different devices.
Solves #15347
Signed-off-by: Laczen JMS <laczenjms@gmail.com>
The message RAM does not behave correctly if lower 16 bits of
buffer address overflow (upper 16 bits are set once in matrix driver
for the entire CAN driver). For example message RAM starting at
0x2040fc20 would not work for buffers that go beyond 0x20410000 and
MCAN would sent data located at 0x20400000 to the network. The same
issue would occur even if TX buffers would start directly at 0x20410000.
The upper 16 bits would still have 0x2040 value because of RX buffers
located in 0x2040ffff range.
This commit ensures the RAM is always located at the beginning of
the data section and thus the overflow mentioned above should never occur.
The alternative would be to use larger alignment, but the message RAM
can have up to 4352 words and this would cause a significant padding.
The RAM is also initialized to zero to ensure valid parity/ECC checksums.
The address issue is not described anywhere in the manual, so it is
possible this is caused by some incorrect configuration, but the context
of the registers looks valid.
This commit also fixes the compilation errors when the driver is run
without data cache.
Signed-off-by: Michal Lenc <michallenc@seznam.cz>
The CPCSTOP has a negative effect on the periodic timer operation.
This causes the timer to stop when an overrun occurs.
Timer must be then restarted in the interrupt. However, as interrupts
are not infinitely fast, this prolongs the next timeout.
Signed-off-by: Stepan Pressl <pressl.stepan@gmail.com>
This adds semihosting based poweroff to arm/common. It uses
semihosting operation SYS_EXIT (0x18) with parameter AppExit
(0x20026).
Signed-off-by: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
1. Changes the phyadd to 0xC to speed up the training of phyadd.
2. Set RX DMA buffer size configureable.
3. Create netnsh configs as ethernet boot from QSPI FLASH.
4. Fix some typo in #15720 which is nonsynchronous with local code.
PIC(Position-Independent-Code) board could work on cmake:
cmake -B ap -DBOARD_CONFIG=mps3-an547:ap -GNinja
Signed-off-by: chao an <anchao.archer@bytedance.com>
Make sure the registers context size is aligned to 16bytes as required by armv8-a.
This issue has been reported earlier, thus make sense to make sure it won't happen in future.
Signed-off-by: Neo Xu <neo.xu1990@gmail.com>
