arch/arm/src/stm32l4: LPUART1 support
Signed-off-by: Harri Luhtala <harri.luhtala@haltian.com>
This commit is contained in:
Harri Luhtala
David Sidrane
parent
198c30eaa6
commit
7e3c813346
@ -571,6 +571,7 @@ config STM32L4_STM32L4X3
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bool
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default n
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select ARCH_HAVE_FPU
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select STM32L4_HAVE_LPUART1
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select STM32L4_HAVE_USART1
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select STM32L4_HAVE_USART2
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select STM32L4_HAVE_USART3 if !(STM32L4_STM32L432XX || STM32L4_STM32L442XX)
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@ -586,6 +587,7 @@ config STM32L4_STM32L4X5
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bool
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default n
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select ARCH_HAVE_FPU
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select STM32L4_HAVE_LPUART1
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select STM32L4_HAVE_USART1
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select STM32L4_HAVE_USART2
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select STM32L4_HAVE_USART3
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@ -616,6 +618,7 @@ config STM32L4_STM32L4X6
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bool
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default n
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select ARCH_HAVE_FPU
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select STM32L4_HAVE_LPUART1
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select STM32L4_HAVE_USART1
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select STM32L4_HAVE_USART2
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select STM32L4_HAVE_USART3
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@ -646,6 +649,7 @@ config STM32L4_STM32L4XR
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bool
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default n
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select ARCH_HAVE_FPU
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select STM32L4_HAVE_LPUART1
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select STM32L4_HAVE_USART1
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select STM32L4_HAVE_USART2
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select STM32L4_HAVE_USART3
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@ -1127,6 +1131,10 @@ config STM32L4_HAVE_TIM17
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bool
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default n
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config STM32L4_HAVE_LPUART1
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bool
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default n
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config STM32L4_HAVE_USART1
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bool
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default n
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@ -1491,6 +1499,13 @@ config STM32L4_SPI3
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select SPI
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select STM32L4_SPI
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config STM32L4_LPUART1
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bool "LPUART1"
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default n
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depends on STM32L4_HAVE_LPUART1
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select ARCH_HAVE_SERIAL_TERMIOS
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select STM32L4_USART
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config STM32L4_USART2
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bool "USART2"
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default n
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@ -5486,9 +5501,54 @@ config STM32L4_SERIALDRIVER
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config STM32L4_1WIREDRIVER
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bool
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menu "U[S]ART Configuration"
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menu "[LP]U[S]ART Configuration"
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depends on STM32L4_USART
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choice
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prompt "LPUART1 Driver Configuration"
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default STM32L4_LPUART1_SERIALDRIVER
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depends on STM32L4_LPUART1
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config STM32L4_LPUART1_SERIALDRIVER
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bool "Standard serial driver"
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select LPUART1_SERIALDRIVER
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select STM32L4_SERIALDRIVER
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config STM32L4_LPUART1_1WIREDRIVER
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bool "1-Wire driver"
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select STM32L4_1WIREDRIVER
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endchoice # LPUART1 Driver Configuration
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if LPUART1_SERIALDRIVER
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config LPUART1_RS485
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bool "RS-485 on LPUART1"
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default n
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depends on STM32L4_LPUART1
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---help---
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Enable RS-485 interface on LPUART1. Your board config will have to
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provide GPIO_LPUART1_RS485_DIR pin definition. Currently it cannot be
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used with LPUART1_RXDMA.
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config LPUART1_RS485_DIR_POLARITY
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int "LPUART1 RS-485 DIR pin polarity"
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default 1
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range 0 1
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depends on LPUART1_RS485
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---help---
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Polarity of DIR pin for RS-485 on LPUART1. Set to state on DIR pin which
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enables TX (0 - low / nTXEN, 1 - high / TXEN).
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config LPUART1_RXDMA
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bool "LPUART1 Rx DMA"
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default n
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depends on STM32L4_LPUART1 && (STM32L4_DMA1 || STM32L4_DMA2 || STM32L4_DMAMUX)
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---help---
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In high data rate usage, Rx DMA may eliminate Rx overrun errors
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endif # LPUART1_SERIALDRIVER
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choice
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prompt "USART1 Driver Configuration"
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default STM32L4_USART1_SERIALDRIVER
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@ -46,8 +46,8 @@ MSI : OK
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LSE : OK
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RCC : All registers defined, peripherals enabled, basic clock working
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SYSCTL : All registers defined
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USART : Working in normal mode (no DMA, to be tested, code is written)
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DMA : works; at least tested with QSPI
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USART : OK
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DMA : OK
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SRAM2 : OK; can be included in MM region or left separate for special app
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: purposes
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SPI : OK, tested (including DMA)
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@ -81,7 +81,8 @@ FIREWALL : Code written, to be tested, requires support from ldscript
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TSC : TODO (Touch Screen Controller)
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SWP : TODO (Single wire protocol master, to connect with NFC enabled
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: SIM cards)
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LPUART : TODO (Low power UART working with LSE at low baud rates)
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LPUART : Experimental support (Low power UART working with LSE at low
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: baud rates)
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LPTIM : Code written, to be tested (Low power TIMER)
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OPAMP : TODO (Analog operational amplifier)
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COMP : There is some code (Analog comparators)
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@ -94,7 +95,7 @@ DCMI : TODO (Digital Camera interfaces)
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New peripherals only in STM32L4+:
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DMAMUX1 : TODO
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DMAMUX1 : OK
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DSI : TODO
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GFXMMU : TODO
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LTDC : TODO
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@ -45,7 +45,26 @@
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/* Select USART parameters for the selected console */
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#ifdef HAVE_CONSOLE
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# if defined(CONFIG_USART1_SERIAL_CONSOLE)
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# if defined(CONFIG_LPUART1_SERIAL_CONSOLE)
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# define STM32L4_CONSOLE_BASE STM32L4_LPUART1_BASE
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# define STM32L4_APBCLOCK STM32L4_PCLK1_FREQUENCY
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# define STM32L4_CONSOLE_APBREG STM32L4_RCC_APB1ENR2
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# define STM32L4_CONSOLE_APBEN RCC_APB1ENR2_LPUART1EN
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# define STM32L4_CONSOLE_BAUD CONFIG_LPUART1_BAUD
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# define STM32L4_CONSOLE_BITS CONFIG_LPUART1_BITS
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# define STM32L4_CONSOLE_PARITY CONFIG_LPUART1_PARITY
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# define STM32L4_CONSOLE_2STOP CONFIG_LPUART1_2STOP
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# define STM32L4_CONSOLE_TX GPIO_LPUART1_TX
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# define STM32L4_CONSOLE_RX GPIO_LPUART1_RX
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# ifdef CONFIG_LPUART1_RS485
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# define STM32L4_CONSOLE_RS485_DIR GPIO_LPUART1_RS485_DIR
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# if (CONFIG_LPUART1_RS485_DIR_POLARITY == 0)
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# define STM32L4_CONSOLE_RS485_DIR_POLARITY false
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# else
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# define STM32L4_CONSOLE_RS485_DIR_POLARITY true
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# endif
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# endif
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# elif defined(CONFIG_USART1_SERIAL_CONSOLE)
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# define STM32L4_CONSOLE_BASE STM32L4_USART1_BASE
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# define STM32L4_APBCLOCK STM32L4_PCLK2_FREQUENCY
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# define STM32L4_CONSOLE_APBREG STM32L4_RCC_APB2ENR
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@ -391,6 +391,14 @@ static const struct uart_ops_s g_uart_dma_ops =
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/* I/O buffers */
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#ifdef CONFIG_STM32L4_LPUART1_SERIALDRIVER
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static char g_lpuart1rxbuffer[CONFIG_LPUART1_RXBUFSIZE];
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static char g_lpuart1txbuffer[CONFIG_LPUART1_TXBUFSIZE];
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# ifdef CONFIG_LPUART1_RXDMA
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static char g_lpuart1rxfifo[RXDMA_BUFFER_SIZE];
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# endif
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#endif
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#ifdef CONFIG_STM32L4_USART1_SERIALDRIVER
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static char g_usart1rxbuffer[CONFIG_USART1_RXBUFSIZE];
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static char g_usart1txbuffer[CONFIG_USART1_TXBUFSIZE];
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@ -431,14 +439,75 @@ static char g_uart5rxfifo[RXDMA_BUFFER_SIZE];
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# endif
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#endif
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/* This describes the state of the STM32 USART1 ports. */
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/* This describes the state of the STM32 LPUART1 port. */
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#ifdef CONFIG_STM32L4_LPUART1_SERIALDRIVER
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static struct stm32l4_serial_s g_lpuart1priv =
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{
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.dev =
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{
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#if CONSOLE_UART == 1
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.isconsole = true,
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#endif
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.recv =
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{
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.size = CONFIG_LPUART1_RXBUFSIZE,
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.buffer = g_lpuart1rxbuffer,
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},
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.xmit =
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{
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.size = CONFIG_LPUART1_TXBUFSIZE,
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.buffer = g_lpuart1txbuffer,
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},
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#ifdef CONFIG_LPUART1_RXDMA
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.ops = &g_uart_dma_ops,
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#else
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.ops = &g_uart_ops,
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#endif
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.priv = &g_lpuart1priv,
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},
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.irq = STM32L4_IRQ_LPUART1,
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.parity = CONFIG_LPUART1_PARITY,
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.bits = CONFIG_LPUART1_BITS,
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.stopbits2 = CONFIG_LPUART1_2STOP,
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.baud = CONFIG_LPUART1_BAUD,
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.apbclock = STM32L4_PCLK1_FREQUENCY,
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.usartbase = STM32L4_LPUART1_BASE,
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.tx_gpio = GPIO_LPUART1_TX,
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.rx_gpio = GPIO_LPUART1_RX,
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#if defined(CONFIG_SERIAL_OFLOWCONTROL) && defined(CONFIG_LPUART1_OFLOWCONTROL)
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.oflow = true,
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.cts_gpio = GPIO_LPUART1_CTS,
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#endif
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#if defined(CONFIG_SERIAL_IFLOWCONTROL) && defined(CONFIG_LPUART1_IFLOWCONTROL)
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.iflow = true,
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.rts_gpio = GPIO_LPUART1_RTS,
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#endif
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#ifdef CONFIG_LPUART1_RXDMA
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.rxdma_channel = DMAMAP_LPUART1_RX,
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.rxfifo = g_lpuart1rxfifo,
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#endif
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#ifdef CONFIG_LPUART1_RS485
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.rs485_dir_gpio = GPIO_LPUART1_RS485_DIR,
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# if (CONFIG_USART1_RS485_DIR_POLARITY == 0)
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.rs485_dir_polarity = false,
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# else
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.rs485_dir_polarity = true,
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# endif
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#endif
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};
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#endif
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/* This describes the state of the STM32 USART1 port. */
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#ifdef CONFIG_STM32L4_USART1_SERIALDRIVER
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static struct stm32l4_serial_s g_usart1priv =
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{
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.dev =
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{
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#if CONSOLE_UART == 1
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#if CONSOLE_UART == 2
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.isconsole = true,
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#endif
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.recv =
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@ -499,7 +568,7 @@ static struct stm32l4_serial_s g_usart2priv =
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{
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.dev =
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{
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#if CONSOLE_UART == 2
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#if CONSOLE_UART == 3
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.isconsole = true,
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#endif
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.recv =
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@ -560,7 +629,7 @@ static struct stm32l4_serial_s g_usart3priv =
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{
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.dev =
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{
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#if CONSOLE_UART == 3
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#if CONSOLE_UART == 4
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.isconsole = true,
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#endif
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.recv =
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@ -621,7 +690,7 @@ static struct stm32l4_serial_s g_uart4priv =
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{
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.dev =
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{
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#if CONSOLE_UART == 4
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#if CONSOLE_UART == 5
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.isconsole = true,
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#endif
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.recv =
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@ -682,7 +751,7 @@ static struct stm32l4_serial_s g_uart5priv =
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{
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.dev =
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{
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#if CONSOLE_UART == 5
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#if CONSOLE_UART == 6
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.isconsole = true,
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#endif
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.recv =
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@ -739,22 +808,25 @@ static struct stm32l4_serial_s g_uart5priv =
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/* This table lets us iterate over the configured USARTs */
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FAR static struct stm32l4_serial_s *
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const g_uart_devs[STM32L4_NUSART + STM32L4_NUART] =
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const g_uart_devs[STM32L4_NLPUART + STM32L4_NUSART + STM32L4_NUART] =
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{
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#ifdef CONFIG_STM32L4_LPUART1_SERIALDRIVER
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[0] = &g_lpuart1priv,
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#endif
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#ifdef CONFIG_STM32L4_USART1_SERIALDRIVER
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[0] = &g_usart1priv,
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[1] = &g_usart1priv,
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#endif
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#ifdef CONFIG_STM32L4_USART2_SERIALDRIVER
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[1] = &g_usart2priv,
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[2] = &g_usart2priv,
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#endif
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#ifdef CONFIG_STM32L4_USART3_SERIALDRIVER
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[2] = &g_usart3priv,
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[3] = &g_usart3priv,
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#endif
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#ifdef CONFIG_STM32L4_UART4_SERIALDRIVER
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[3] = &g_uart4priv,
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[4] = &g_uart4priv,
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#endif
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#ifdef CONFIG_STM32L4_UART5_SERIALDRIVER
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[4] = &g_uart5priv,
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[5] = &g_uart5priv,
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#endif
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};
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@ -1215,7 +1287,7 @@ static void stm32l4serial_pm_setsuspend(bool suspend)
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g_serialpm.serial_suspended = suspend;
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for (n = 0; n < STM32L4_NUSART + STM32L4_NUART; n++)
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for (n = 0; n < STM32L4_NLPUART + STM32L4_NUSART + STM32L4_NUART; n++)
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{
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struct stm32l4_serial_s *priv = g_uart_devs[n];
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@ -1254,6 +1326,12 @@ static void stm32l4serial_setapbclock(FAR struct uart_dev_s *dev, bool on)
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{
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default:
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return;
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#ifdef CONFIG_STM32L4_LPUART1_SERIALDRIVER
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case STM32L4_LPUART1_BASE:
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rcc_en = RCC_APB1ENR2_LPUART1EN;
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regaddr = STM32L4_RCC_APB1ENR2;
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break;
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#endif
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#ifdef CONFIG_STM32L4_USART1_SERIALDRIVER
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case STM32L4_USART1_BASE:
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rcc_en = RCC_APB2ENR_USART1EN;
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@ -2885,7 +2963,7 @@ static int stm32l4serial_pmprepare(FAR struct pm_callback_s *cb, int domain,
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* buffers.
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*/
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for (n = 0; n < STM32L4_NUSART + STM32L4_NUART; n++)
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for (n = 0; n < STM32L4_NLPUART + STM32L4_NUSART + STM32L4_NUART; n++)
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{
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struct stm32l4_serial_s *priv = g_uart_devs[n];
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@ -2955,7 +3033,7 @@ void arm_earlyserialinit(void)
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/* Disable all USART interrupts */
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for (i = 0; i < STM32L4_NUSART + STM32L4_NUART; i++)
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for (i = 0; i < STM32L4_NLPUART + STM32L4_NUSART + STM32L4_NUART; i++)
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{
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if (g_uart_devs[i])
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{
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@ -3024,7 +3102,7 @@ void arm_serialinit(void)
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strcpy(devname, "/dev/ttySx");
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for (i = 0; i < STM32L4_NUSART + STM32L4_NUART; i++)
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for (i = 0; i < STM32L4_NLPUART + STM32L4_NUSART + STM32L4_NUART; i++)
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{
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/* Don't create a device for non-configured ports. */
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@ -3068,6 +3146,13 @@ void stm32l4_serial_dma_poll(void)
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flags = enter_critical_section();
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#ifdef CONFIG_LPUART1_RXDMA
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if (g_lpuart1priv.rxdma != NULL)
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{
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stm32l4serial_dmarxcallback(g_lpuart1priv.rxdma, 0, &g_lpuart1priv);
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}
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#endif
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#ifdef CONFIG_USART1_RXDMA
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if (g_usart1priv.rxdma != NULL)
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{
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@ -60,9 +60,16 @@
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#if !defined(CONFIG_STM32L4_HAVE_USART1)
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# undef CONFIG_STM32L4_USART1
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#endif
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#if !defined(CONFIG_STM32L4_HAVE_LPUART1)
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# undef CONFIG_STM32L4_LPUART1
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#endif
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/* Sanity checks */
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#if !defined(CONFIG_STM32L4_LPUART1)
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# undef CONFIG_STM32L4_LPUART1_SERIALDRIVER
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# undef CONFIG_STM32L4_LPUART1_1WIREDRIVER
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#endif
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#if !defined(CONFIG_STM32L4_USART1)
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# undef CONFIG_STM32L4_USART1_SERIALDRIVER
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# undef CONFIG_STM32L4_USART1_1WIREDRIVER
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@ -86,50 +93,64 @@
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/* Is there a USART enabled? */
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#if defined(CONFIG_STM32L4_USART1) || defined(CONFIG_STM32L4_USART2) || \
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defined(CONFIG_STM32L4_USART3) || defined(CONFIG_STM32L4_UART4) || \
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defined(CONFIG_STM32L4_UART5)
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#if defined(CONFIG_STM32L4_LPUART1) || defined(CONFIG_STM32L4_USART1) || \
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defined(CONFIG_STM32L4_USART2) || defined(CONFIG_STM32L4_USART3) || \
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defined(CONFIG_STM32L4_UART4) || defined(CONFIG_STM32L4_UART5)
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||||
# define HAVE_UART 1
|
||||
#endif
|
||||
|
||||
/* Is there a serial console? */
|
||||
|
||||
#if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_STM32L4_USART1_SERIALDRIVER)
|
||||
#if defined(CONFIG_LPUART1_SERIAL_CONSOLE) && defined(CONFIG_STM32L4_LPUART1_SERIALDRIVER)
|
||||
# undef CONFIG_USART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART3_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART4_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART5_SERIAL_CONSOLE
|
||||
# define CONSOLE_UART 1
|
||||
# define HAVE_CONSOLE 1
|
||||
#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_STM32L4_USART2_SERIALDRIVER)
|
||||
# undef CONFIG_USART1_SERIAL_CONSOLE
|
||||
#elif defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_STM32L4_USART1_SERIALDRIVER)
|
||||
# undef CONFIG_LPUART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART3_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART4_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART5_SERIAL_CONSOLE
|
||||
# define CONSOLE_UART 2
|
||||
# define HAVE_CONSOLE 1
|
||||
#elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_STM32L4_USART3_SERIALDRIVER)
|
||||
#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_STM32L4_USART2_SERIALDRIVER)
|
||||
# undef CONFIG_LPUART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART3_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART4_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART5_SERIAL_CONSOLE
|
||||
# define CONSOLE_UART 3
|
||||
# define HAVE_CONSOLE 1
|
||||
#elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_STM32L4_USART3_SERIALDRIVER)
|
||||
# undef CONFIG_LPUART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART4_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART5_SERIAL_CONSOLE
|
||||
# define CONSOLE_UART 4
|
||||
# define HAVE_CONSOLE 1
|
||||
#elif defined(CONFIG_UART4_SERIAL_CONSOLE) && defined(CONFIG_STM32L4_UART4_SERIALDRIVER)
|
||||
# undef CONFIG_LPUART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART3_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART5_SERIAL_CONSOLE
|
||||
# define CONSOLE_UART 4
|
||||
# define CONSOLE_UART 5
|
||||
# define HAVE_CONSOLE 1
|
||||
#elif defined(CONFIG_UART5_SERIAL_CONSOLE) && defined(CONFIG_STM32L4_UART5_SERIALDRIVER)
|
||||
# undef CONFIG_LPUART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART3_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART4_SERIAL_CONSOLE
|
||||
# define CONSOLE_UART 5
|
||||
# define CONSOLE_UART 6
|
||||
# define HAVE_CONSOLE 1
|
||||
#else
|
||||
# undef CONFIG_LPUART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_USART3_SERIAL_CONSOLE
|
||||
@ -144,6 +165,7 @@
|
||||
*/
|
||||
|
||||
#if !defined(HAVE_UART) || !defined(CONFIG_ARCH_DMA)
|
||||
# undef CONFIG_LPUART1_RXDMA
|
||||
# undef CONFIG_USART1_RXDMA
|
||||
# undef CONFIG_USART2_RXDMA
|
||||
# undef CONFIG_USART3_RXDMA
|
||||
@ -153,6 +175,10 @@
|
||||
|
||||
/* Disable the DMA configuration on all unused USARTs */
|
||||
|
||||
#ifndef CONFIG_STM32L4_LPUART1_SERIALDRIVER
|
||||
# undef CONFIG_LPUART1_RXDMA
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_STM32L4_USART1_SERIALDRIVER
|
||||
# undef CONFIG_USART1_RXDMA
|
||||
#endif
|
||||
@ -176,16 +202,18 @@
|
||||
/* Is DMA available on any (enabled) USART? */
|
||||
|
||||
#undef SERIAL_HAVE_RXDMA
|
||||
#if defined(CONFIG_USART1_RXDMA) || defined(CONFIG_USART2_RXDMA) || \
|
||||
defined(CONFIG_USART3_RXDMA) || defined(CONFIG_UART4_RXDMA) || \
|
||||
defined(CONFIG_UART5_RXDMA)
|
||||
#if defined(CONFIG_LPUART1_RXDMA) || defined(CONFIG_USART1_RXDMA) || \
|
||||
defined(CONFIG_USART2_RXDMA) || defined(CONFIG_USART3_RXDMA) || \
|
||||
defined(CONFIG_UART4_RXDMA) || defined(CONFIG_UART5_RXDMA)
|
||||
# define SERIAL_HAVE_RXDMA 1
|
||||
#endif
|
||||
|
||||
/* Is DMA used on the console UART? */
|
||||
|
||||
#undef SERIAL_HAVE_CONSOLE_DMA
|
||||
#if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_USART1_RXDMA)
|
||||
#if defined(CONFIG_LPUART1_SERIAL_CONSOLE) && defined(CONFIG_LPUART1_RXDMA)
|
||||
# define SERIAL_HAVE_CONSOLE_DMA 1
|
||||
#elif defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_USART1_RXDMA)
|
||||
# define SERIAL_HAVE_CONSOLE_DMA 1
|
||||
#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_USART2_RXDMA)
|
||||
# define SERIAL_HAVE_CONSOLE_DMA 1
|
||||
@ -200,7 +228,9 @@
|
||||
/* Is DMA used on all (enabled) USARTs */
|
||||
|
||||
#define SERIAL_HAVE_ONLY_DMA 1
|
||||
#if defined(CONFIG_STM32L4_USART1_SERIALDRIVER) && !defined(CONFIG_USART1_RXDMA)
|
||||
#if defined(CONFIG_STM32L4_LPUART1_SERIALDRIVER) && !defined(CONFIG_LPUART1_RXDMA)
|
||||
# undef SERIAL_HAVE_ONLY_DMA
|
||||
#elif defined(CONFIG_STM32L4_USART1_SERIALDRIVER) && !defined(CONFIG_USART1_RXDMA)
|
||||
# undef SERIAL_HAVE_ONLY_DMA
|
||||
#elif defined(CONFIG_STM32L4_USART2_SERIALDRIVER) && !defined(CONFIG_USART2_RXDMA)
|
||||
# undef SERIAL_HAVE_ONLY_DMA
|
||||
@ -214,9 +244,9 @@
|
||||
|
||||
/* Is RS-485 used? */
|
||||
|
||||
#if defined(CONFIG_USART1_RS485) || defined(CONFIG_USART2_RS485) || \
|
||||
defined(CONFIG_USART3_RS485) || defined(CONFIG_UART4_RS485) || \
|
||||
defined(CONFIG_UART5_RS485)
|
||||
#if defined(CONFIG_LPUART1_RS485) || defined(CONFIG_USART1_RS485) || \
|
||||
defined(CONFIG_USART2_RS485) || defined(CONFIG_USART3_RS485) || \
|
||||
defined(CONFIG_UART4_RS485) || defined(CONFIG_UART5_RS485)
|
||||
# define HAVE_RS485 1
|
||||
#endif
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user