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author | David Sidrane <david_s5@nscdg.com> | 2015-01-26 11:24:20 -1000 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2015-02-11 07:40:58 +0100 |
commit | 5eb0048a21b05874f2b9b8741346f4ad219c587f (patch) | |
tree | 433f1a594cb40a15ec8a2e963fc02c0b87bf968b | |
parent | df6e29a72e79469ade91cfe6163a6924a247c3ad (diff) | |
download | px4-firmware-5eb0048a21b05874f2b9b8741346f4ad219c587f.tar.gz px4-firmware-5eb0048a21b05874f2b9b8741346f4ad219c587f.tar.bz2 px4-firmware-5eb0048a21b05874f2b9b8741346f4ad219c587f.zip |
Bug fix:The CRC detection on px4io was failing with -1 result, do the the fact that the PX4IO_Uploader had closed the port and Nuttx (now) disabled the clock and PX4IO_serial did not managed the clock
-rw-r--r-- | src/drivers/px4io/px4io_serial.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/drivers/px4io/px4io_serial.cpp b/src/drivers/px4io/px4io_serial.cpp index 16d917ef5..752f22d01 100644 --- a/src/drivers/px4io/px4io_serial.cpp +++ b/src/drivers/px4io/px4io_serial.cpp @@ -217,6 +217,9 @@ PX4IO_serial::~PX4IO_serial() stm32_unconfiggpio(PX4IO_SERIAL_TX_GPIO); stm32_unconfiggpio(PX4IO_SERIAL_RX_GPIO); + /* Disable APB clock for the USART peripheral */ + modifyreg32(STM32_RCC_APB2ENR, RCC_APB2ENR_USART6EN, 0); + /* and kill our semaphores */ sem_destroy(&_completion_semaphore); sem_destroy(&_bus_semaphore); @@ -247,6 +250,10 @@ PX4IO_serial::init() return -1; } + + /* Enable the APB clock for the USART peripheral */ + modifyreg32(STM32_RCC_APB2ENR, 0, RCC_APB2ENR_USART6EN); + /* configure pins for serial use */ stm32_configgpio(PX4IO_SERIAL_TX_GPIO); stm32_configgpio(PX4IO_SERIAL_RX_GPIO); |