arch/arm/src/stm32f7/stm32_serial.c: Add Tx U[S]ART DMA.
This commit is contained in:
David Sidrane
Gregory Nutt
parent
d3e0d5ee72
commit
baeaf54c6c
@ -1785,6 +1785,13 @@ config USART1_RXDMA
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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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config USART1_TXDMA
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bool "USART1 Tx DMA"
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default n
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depends on STM32F7_USART1 && STM32F7_DMA2
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---help---
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In high data rate usage, Rx DMA may reduce CPU Load
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config USART2_RS485
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bool "RS-485 on USART2"
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default n
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@ -1810,6 +1817,13 @@ config USART2_RXDMA
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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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config USART2_TXDMA
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bool "USART2 Tx DMA"
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default n
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depends on STM32F7_USART2 && STM32F7_DMA1
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---help---
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In high data rate usage, Rx DMA may reduce CPU Load
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config USART3_RS485
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bool "RS-485 on USART3"
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default n
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@ -1835,6 +1849,13 @@ config USART3_RXDMA
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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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config USART3_TXDMA
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bool "USART3 Tx DMA"
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default n
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depends on STM32F7_USART3 && STM32F7_DMA1
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---help---
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In high data rate usage, Rx DMA may reduce CPU Load
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config UART4_RS485
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bool "RS-485 on UART4"
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default n
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@ -1860,6 +1881,13 @@ config UART4_RXDMA
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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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config UART4_TXDMA
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bool "UART4 Tx DMA"
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default n
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depends on STM32F7_UART4 && STM32F7_DMA1
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---help---
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In high data rate usage, Rx DMA may reduce CPU Load
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config UART5_RS485
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bool "RS-485 on UART5"
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default n
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@ -1885,6 +1913,13 @@ config UART5_RXDMA
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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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config UART5_TXDMA
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bool "UART5 Tx DMA"
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default n
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depends on STM32F7_UART5 && STM32F7_DMA1
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---help---
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In high data rate usage, Rx DMA may reduce CPU Load
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config USART6_RS485
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bool "RS-485 on USART6"
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default n
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@ -1910,6 +1945,13 @@ config USART6_RXDMA
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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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config USART6_TXDMA
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bool "USART6 Tx DMA"
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default n
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depends on STM32F7_USART6 && STM32F7_DMA2
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---help---
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In high data rate usage, Rx DMA may reduce CPU Load
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config UART7_RS485
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bool "RS-485 on UART7"
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default n
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@ -1931,10 +1973,17 @@ config UART7_RS485_DIR_POLARITY
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config UART7_RXDMA
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bool "UART7 Rx DMA"
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default n
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depends on STM32F7_UART7 && STM32F7_DMA2
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depends on STM32F7_UART7 && STM32F7_DMA1
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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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config UART7_TXDMA
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bool "UART7 Tx DMA"
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default n
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depends on STM32F7_UART7 && STM32F7_DMA1
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---help---
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In high data rate usage, Rx DMA may reduce CPU Load
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config UART8_RS485
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bool "RS-485 on UART8"
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default n
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@ -1956,10 +2005,17 @@ config UART8_RS485_DIR_POLARITY
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config UART8_RXDMA
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bool "UART8 Rx DMA"
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default n
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depends on STM32F7_UART8 && STM32F7_DMA2
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depends on STM32F7_UART8 && STM32F7_DMA1
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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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config UART8_TXDMA
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bool "UART8 Tx DMA"
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default n
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depends on STM32F7_UART8 && STM32F7_DMA1
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---help---
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In high data rate usage, Rx DMA may reduce CPU Load
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config STM32F7_SERIAL_RXDMA_BUFFER_SIZE
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int "Rx DMA buffer size"
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default 32
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File diff suppressed because it is too large
Load Diff
@ -187,101 +187,173 @@
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#if !defined(HAVE_UART) || !defined(CONFIG_ARCH_DMA)
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# undef CONFIG_USART1_RXDMA
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# undef CONFIG_USART1_TXDMA
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# undef CONFIG_USART2_RXDMA
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# undef CONFIG_USART2_TXDMA
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# undef CONFIG_USART3_RXDMA
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# undef CONFIG_USART3_TXDMA
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# undef CONFIG_UART4_RXDMA
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# undef CONFIG_UART4_TXDMA
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# undef CONFIG_UART5_RXDMA
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# undef CONFIG_UART5_TXDMA
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# undef CONFIG_USART6_RXDMA
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# undef CONFIG_USART6_TXDMA
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# undef CONFIG_UART7_RXDMA
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# undef CONFIG_UART7_TXDMA
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# undef CONFIG_UART8_RXDMA
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# undef CONFIG_UART8_TXDMA
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#endif
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/* Disable the DMA configuration on all unused USARTs */
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#ifndef CONFIG_STM32F7_USART1
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# undef CONFIG_USART1_RXDMA
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# undef CONFIG_USART1_TXDMA
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#endif
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#ifndef CONFIG_STM32F7_USART2
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# undef CONFIG_USART2_RXDMA
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# undef CONFIG_USART2_TXDMA
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#endif
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#ifndef CONFIG_STM32F7_USART3
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# undef CONFIG_USART3_RXDMA
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# undef CONFIG_USART3_TXDMA
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#endif
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#ifndef CONFIG_STM32F7_UART4
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# undef CONFIG_UART4_RXDMA
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# undef CONFIG_UART4_TXDMA
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#endif
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#ifndef CONFIG_STM32F7_UART5
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# undef CONFIG_UART5_RXDMA
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# undef CONFIG_UART5_TXDMA
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#endif
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#ifndef CONFIG_STM32F7_USART6
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# undef CONFIG_USART6_RXDMA
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# undef CONFIG_USART6_TXDMA
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#endif
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#ifndef CONFIG_STM32F7_UART7
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# undef CONFIG_UART7_RXDMA
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# undef CONFIG_UART7_TXDMA
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#endif
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#ifndef CONFIG_STM32F7_UART8
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# undef CONFIG_UART8_RXDMA
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# undef CONFIG_UART8_TXDMA
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#endif
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/* Is DMA available on any (enabled) USART? */
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/* Is RX DMA available on any (enabled) USART? */
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#undef SERIAL_HAVE_DMA
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#undef SERIAL_HAVE_RXDMA
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#if defined(CONFIG_USART1_RXDMA) || defined(CONFIG_USART2_RXDMA) || \
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defined(CONFIG_USART3_RXDMA) || defined(CONFIG_UART4_RXDMA) || \
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defined(CONFIG_UART5_RXDMA) || defined(CONFIG_USART6_RXDMA) || \
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defined(CONFIG_UART7_RXDMA) || defined(CONFIG_UART8_RXDMA)
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# define SERIAL_HAVE_DMA 1
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# define SERIAL_HAVE_RXDMA 1
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#endif
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/* Is DMA used on the console UART? */
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/* Is TX DMA available on any (enabled) USART? */
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#undef SERIAL_HAVE_CONSOLE_DMA
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#undef SERIAL_HAVE_TXDMA
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#if defined(CONFIG_USART1_TXDMA) || defined(CONFIG_USART2_TXDMA) || \
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defined(CONFIG_USART3_TXDMA) || defined(CONFIG_UART4_TXDMA) || \
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defined(CONFIG_UART5_TXDMA) || defined(CONFIG_USART6_TXDMA) || \
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defined(CONFIG_UART7_TXDMA) || defined(CONFIG_UART8_TXDMA)
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# define SERIAL_HAVE_TXDMA 1
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#endif
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/* Is RX DMA used on the console UART? */
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#undef SERIAL_HAVE_CONSOLE_RXDMA
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#if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_USART1_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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# define SERIAL_HAVE_CONSOLE_RXDMA 1
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#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_USART2_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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# define SERIAL_HAVE_CONSOLE_RXDMA 1
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#elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_USART3_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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# define SERIAL_HAVE_CONSOLE_RXDMA 1
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#elif defined(CONFIG_UART4_SERIAL_CONSOLE) && defined(CONFIG_UART4_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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# define SERIAL_HAVE_CONSOLE_RXDMA 1
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#elif defined(CONFIG_UART5_SERIAL_CONSOLE) && defined(CONFIG_UART5_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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# define SERIAL_HAVE_CONSOLE_RXDMA 1
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#elif defined(CONFIG_USART6_SERIAL_CONSOLE) && defined(CONFIG_USART6_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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# define SERIAL_HAVE_CONSOLE_RXDMA 1
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#elif defined(CONFIG_UART7_SERIAL_CONSOLE) && defined(CONFIG_UART7_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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# define SERIAL_HAVE_CONSOLE_RXDMA 1
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#elif defined(CONFIG_UART8_SERIAL_CONSOLE) && defined(CONFIG_UART8_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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# define SERIAL_HAVE_CONSOLE_RXDMA 1
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#endif
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/* Is DMA used on all (enabled) USARTs */
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/* Is TX DMA used on the console UART? */
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#define SERIAL_HAVE_ONLY_DMA 1
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#undef SERIAL_HAVE_CONSOLE_TXDMA
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#if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_USART1_TXDMA)
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# define SERIAL_HAVE_CONSOLE_TXDMA 1
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#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_USART2_TXDMA)
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# define SERIAL_HAVE_CONSOLE_TXDMA 1
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#elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_USART3_TXDMA)
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# define SERIAL_HAVE_CONSOLE_TXDMA 1
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#elif defined(CONFIG_UART4_SERIAL_CONSOLE) && defined(CONFIG_UART4_TXDMA)
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# define SERIAL_HAVE_CONSOLE_TXDMA 1
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#elif defined(CONFIG_UART5_SERIAL_CONSOLE) && defined(CONFIG_UART5_TXDMA)
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# define SERIAL_HAVE_CONSOLE_TXDMA 1
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#elif defined(CONFIG_USART6_SERIAL_CONSOLE) && defined(CONFIG_USART6_TXDMA)
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# define SERIAL_HAVE_CONSOLE_TXDMA 1
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#elif defined(CONFIG_UART7_SERIAL_CONSOLE) && defined(CONFIG_UART7_TXDMA)
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# define SERIAL_HAVE_CONSOLE_TXDMA 1
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#elif defined(CONFIG_UART8_SERIAL_CONSOLE) && defined(CONFIG_UART8_TXDMA)
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# define SERIAL_HAVE_CONSOLE_TXDMA 1
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#endif
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/* Is RX DMA used on all (enabled) USARTs */
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#define SERIAL_HAVE_ONLY_RXDMA 1
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#if defined(CONFIG_STM32F7_USART1) && !defined(CONFIG_USART1_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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# undef SERIAL_HAVE_ONLY_RXDMA
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#elif defined(CONFIG_STM32F7_USART2) && !defined(CONFIG_USART2_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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# undef SERIAL_HAVE_ONLY_RXDMA
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#elif defined(CONFIG_STM32F7_USART3) && !defined(CONFIG_USART3_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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# undef SERIAL_HAVE_ONLY_RXDMA
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#elif defined(CONFIG_STM32F7_UART4) && !defined(CONFIG_UART4_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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# undef SERIAL_HAVE_ONLY_RXDMA
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#elif defined(CONFIG_STM32F7_UART5) && !defined(CONFIG_UART5_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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# undef SERIAL_HAVE_ONLY_RXDMA
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#elif defined(CONFIG_STM32F7_USART6) && !defined(CONFIG_USART6_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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# undef SERIAL_HAVE_ONLY_RXDMA
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#elif defined(CONFIG_STM32F7_UART7) && !defined(CONFIG_UART7_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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# undef SERIAL_HAVE_ONLY_RXDMA
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#elif defined(CONFIG_STM32F7_UART8) && !defined(CONFIG_UART8_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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# undef SERIAL_HAVE_ONLY_RXDMA
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#endif
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/* Is TX DMA used on all (enabled) USARTs */
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#define SERIAL_HAVE_ONLY_TXDMA 1
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#if defined(CONFIG_STM32F7_USART1) && !defined(CONFIG_USART1_TXDMA)
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# undef SERIAL_HAVE_ONLY_TXDMA
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#elif defined(CONFIG_STM32F7_USART2) && !defined(CONFIG_USART2_TXDMA)
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# undef SERIAL_HAVE_ONLY_TXDMA
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#elif defined(CONFIG_STM32F7_USART3) && !defined(CONFIG_USART3_TXDMA)
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# undef SERIAL_HAVE_ONLY_TXDMA
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#elif defined(CONFIG_STM32F7_UART4) && !defined(CONFIG_UART4_TXDMA)
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# undef SERIAL_HAVE_ONLY_TXDMA
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#elif defined(CONFIG_STM32F7_UART5) && !defined(CONFIG_UART5_TXDMA)
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# undef SERIAL_HAVE_ONLY_TXDMA
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#elif defined(CONFIG_STM32F7_USART6) && !defined(CONFIG_USART6_TXDMA)
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# undef SERIAL_HAVE_ONLY_TXDMA
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#elif defined(CONFIG_STM32F7_UART7) && !defined(CONFIG_UART7_TXDMA)
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# undef SERIAL_HAVE_ONLY_TXDMA
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#elif defined(CONFIG_STM32F7_UART8) && !defined(CONFIG_UART8_TXDMA)
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# undef SERIAL_HAVE_ONLY_TXDMA
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#endif
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#undef SERIAL_HAVE_ONLY_DMA
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#if defined(SERIAL_HAVE_ONLY_RXDMA) && defined(SERIAL_HAVE_ONLY_TXDMA)
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#define SERIAL_HAVE_ONLY_DMA
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#endif
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/* Is RS-485 used? */
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#if defined(CONFIG_USART1_RS485) || defined(CONFIG_USART2_RS485) || \
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@ -333,7 +405,7 @@ extern "C"
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*
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************************************************************************************/
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#ifdef SERIAL_HAVE_DMA
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#ifdef SERIAL_HAVE_RXDMA
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void stm32_serial_dma_poll(void);
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#endif
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