diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_serial.c')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_serial.c | 193 |
1 files changed, 190 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_serial.c b/nuttx/arch/arm/src/stm32/stm32_serial.c index f8c011019..de9b813e0 100644 --- a/nuttx/arch/arm/src/stm32/stm32_serial.c +++ b/nuttx/arch/arm/src/stm32/stm32_serial.c @@ -90,9 +90,10 @@ # endif # if defined(CONFIG_USART2_RXDMA) || defined(CONFIG_USART3_RXDMA) || \ - defined(CONFIG_UART4_RXDMA) || defined(CONFIG_UART5_RXDMA) + defined(CONFIG_UART4_RXDMA) || defined(CONFIG_UART5_RXDMA) || \ + defined(CONFIG_UART7_RXDMA) || defined(CONFIG_UART8_RXDMA) # ifndef CONFIG_STM32_DMA1 -# error STM32 USART2/3/4/5 receive DMA requires CONFIG_STM32_DMA1 +# error STM32 USART2/3/4/5/7/8 receive DMA requires CONFIG_STM32_DMA1 # endif # endif @@ -105,7 +106,9 @@ (defined(CONFIG_USART3_RXDMA) && defined(CONFIG_USART3_RS485)) || \ (defined(CONFIG_UART4_RXDMA) && defined(CONFIG_UART4_RS485)) || \ (defined(CONFIG_UART5_RXDMA) && defined(CONFIG_UART5_RS485)) || \ - (defined(CONFIG_USART6_RXDMA) && defined(CONFIG_USART6_RS485)) + (defined(CONFIG_USART6_RXDMA) && defined(CONFIG_USART6_RS485)) || \ + (defined(CONFIG_UART7_RXDMA) && defined(CONFIG_UART7_RS485)) || \ + (defined(CONFIG_UART8_RXDMA) && defined(CONFIG_UART8_RS485)) # error "RXDMA and RS-485 cannot be enabled at the same time for the same U[S]ART" # endif @@ -138,6 +141,14 @@ # error "USART6 DMA channel not defined (DMAMAP_USART6_RX)" # endif +# if defined(CONFIG_UART7_RXDMA) && !defined(DMAMAP_UART7_RX) +# error "UART7 DMA channel not defined (DMAMAP_UART7_RX)" +# endif + +# if defined(CONFIG_UART8_RXDMA) && !defined(DMAMAP_UART8_RX) +# error "UART8 DMA channel not defined (DMAMAP_UART8_RX)" +# endif + # elif defined(CONFIG_STM32_STM32F10XX) || defined(CONFIG_STM32_STM32F30XX) # if defined(CONFIG_USART1_RXDMA) || defined(CONFIG_USART2_RXDMA) || \ @@ -333,6 +344,12 @@ static int up_interrupt_uart5(int irq, void *context); #ifdef CONFIG_STM32_USART6 static int up_interrupt_usart6(int irq, void *context); #endif +#ifdef CONFIG_STM32_UART7 +static int up_interrupt_uart7(int irq, void *context); +#endif +#ifdef CONFIG_STM32_UART8 +static int up_interrupt_uart8(int irq, void *context); +#endif /**************************************************************************** * Private Variables @@ -424,6 +441,22 @@ static char g_usart6rxfifo[RXDMA_BUFFER_SIZE]; # endif #endif +#ifdef CONFIG_STM32_UART7 +static char g_uart7rxbuffer[CONFIG_UART7_RXBUFSIZE]; +static char g_uart7txbuffer[CONFIG_UART7_TXBUFSIZE]; +# ifdef CONFIG_UART7_RXDMA +static char g_uart7rxfifo[RXDMA_BUFFER_SIZE]; +# endif +#endif + +#ifdef CONFIG_STM32_UART8 +static char g_uart8rxbuffer[CONFIG_UART8_RXBUFSIZE]; +static char g_uart8txbuffer[CONFIG_UART8_TXBUFSIZE]; +# ifdef CONFIG_UART8_RXDMA +static char g_uart8rxfifo[RXDMA_BUFFER_SIZE]; +# endif +#endif + /* This describes the state of the STM32 USART1 ports. */ #ifdef CONFIG_STM32_USART1 @@ -784,6 +817,126 @@ static struct up_dev_s g_usart6priv = }; #endif +/* This describes the state of the STM32 UART7 port. */ + +#ifdef CONFIG_STM32_UART7 +static struct up_dev_s g_uart7priv = +{ + .dev = + { +#if CONSOLE_UART == 7 + .isconsole = true, +#endif + .recv = + { + .size = CONFIG_UART7_RXBUFSIZE, + .buffer = g_uart7rxbuffer, + }, + .xmit = + { + .size = CONFIG_UART7_TXBUFSIZE, + .buffer = g_uart7txbuffer, + }, +#ifdef CONFIG_UART7_RXDMA + .ops = &g_uart_dma_ops, +#else + .ops = &g_uart_ops, +#endif + .priv = &g_uart7priv, + }, + + .irq = STM32_IRQ_UART7, + .parity = CONFIG_UART7_PARITY, + .bits = CONFIG_UART7_BITS, + .stopbits2 = CONFIG_UART7_2STOP, + .baud = CONFIG_UART7_BAUD, + .apbclock = STM32_PCLK1_FREQUENCY, + .usartbase = STM32_UART7_BASE, + .tx_gpio = GPIO_UART7_TX, + .rx_gpio = GPIO_UART7_RX, +#ifdef GPIO_UART7_CTS + .cts_gpio = GPIO_UART7_CTS, +#endif +#ifdef GPIO_UART7_RTS + .rts_gpio = GPIO_UART7_RTS, +#endif +#ifdef CONFIG_UART7_RXDMA + .rxdma_channel = DMAMAP_UART7_RX, + .rxfifo = g_uart7rxfifo, +#endif + .vector = up_interrupt_uart7, + +#ifdef CONFIG_UART7_RS485 + .rs485_dir_gpio = GPIO_UART7_RS485_DIR, +# if (CONFIG_UART7_RS485_DIR_POLARITY == 0) + .rs485_dir_polarity = false, +# else + .rs485_dir_polarity = true, +# endif +#endif +}; +#endif + +/* This describes the state of the STM32 UART8 port. */ + +#ifdef CONFIG_STM32_UART8 +static struct up_dev_s g_uart8priv = +{ + .dev = + { +#if CONSOLE_UART == 8 + .isconsole = true, +#endif + .recv = + { + .size = CONFIG_UART8_RXBUFSIZE, + .buffer = g_uart8rxbuffer, + }, + .xmit = + { + .size = CONFIG_UART8_TXBUFSIZE, + .buffer = g_uart8txbuffer, + }, +#ifdef CONFIG_UART8_RXDMA + .ops = &g_uart_dma_ops, +#else + .ops = &g_uart_ops, +#endif + .priv = &g_uart8priv, + }, + + .irq = STM32_IRQ_UART8, + .parity = CONFIG_UART8_PARITY, + .bits = CONFIG_UART8_BITS, + .stopbits2 = CONFIG_UART8_2STOP, + .baud = CONFIG_UART8_BAUD, + .apbclock = STM32_PCLK1_FREQUENCY, + .usartbase = STM32_UART8_BASE, + .tx_gpio = GPIO_UART8_TX, + .rx_gpio = GPIO_UART8_RX, +#ifdef GPIO_UART8_CTS + .cts_gpio = GPIO_UART8_CTS, +#endif +#ifdef GPIO_UART8_RTS + .rts_gpio = GPIO_UART8_RTS, +#endif +#ifdef CONFIG_UART8_RXDMA + .rxdma_channel = DMAMAP_UART8_RX, + .rxfifo = g_uart8rxfifo, +#endif + .vector = up_interrupt_uart8, + +#ifdef CONFIG_UART8_RS485 + .rs485_dir_gpio = GPIO_UART8_RS485_DIR, +# if (CONFIG_UART8_RS485_DIR_POLARITY == 0) + .rs485_dir_polarity = false, +# else + .rs485_dir_polarity = true, +# endif +#endif +}; +#endif + /* This table lets us iterate over the configured USARTs */ static struct up_dev_s *uart_devs[STM32_NUSART] = @@ -806,6 +959,12 @@ static struct up_dev_s *uart_devs[STM32_NUSART] = #ifdef CONFIG_STM32_USART6 [5] = &g_usart6priv, #endif +#ifdef CONFIG_STM32_UART7 + [6] = &g_uart7priv, +#endif +#ifdef CONFIG_STM32_UART8 + [7] = &g_uart8priv, +#endif }; #ifdef CONFIG_PM @@ -1895,6 +2054,20 @@ static int up_interrupt_usart6(int irq, void *context) } #endif +#ifdef CONFIG_STM32_UART7 +static int up_interrupt_uart7(int irq, void *context) +{ + return up_interrupt_common(&g_uart7priv); +} +#endif + +#ifdef CONFIG_STM32_UART8 +static int up_interrupt_uart8(int irq, void *context) +{ + return up_interrupt_common(&g_uart8priv); +} +#endif + /**************************************************************************** * Name: up_dma_rxcallback * @@ -2183,6 +2356,20 @@ void stm32_serial_dma_poll(void) } #endif +#ifdef CONFIG_UART7_RXDMA + if (g_uart7priv.rxdma != NULL) + { + up_dma_rxcallback(g_uart7priv.rxdma, 0, &g_uart7priv); + } +#endif + +#ifdef CONFIG_UART8_RXDMA + if (g_uart8priv.rxdma != NULL) + { + up_dma_rxcallback(g_uart8priv.rxdma, 0, &g_uart8priv); + } +#endif + irqrestore(flags); } #endif |