diff options
Diffstat (limited to 'nuttx/arch/mips/src/pic32mx/pic32mx-lowconsole.c')
| -rw-r--r-- | nuttx/arch/mips/src/pic32mx/pic32mx-lowconsole.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/nuttx/arch/mips/src/pic32mx/pic32mx-lowconsole.c b/nuttx/arch/mips/src/pic32mx/pic32mx-lowconsole.c new file mode 100644 index 000000000..70d63ee4c --- /dev/null +++ b/nuttx/arch/mips/src/pic32mx/pic32mx-lowconsole.c @@ -0,0 +1,204 @@ +/****************************************************************************** + * arch/mips/src/pic32mx/pic32mx-lowconsole.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ******************************************************************************/ + +/****************************************************************************** + * Included Files + ******************************************************************************/ + +#include <nuttx/config.h> + +#include <assert.h> +#include <debug.h> + +#include <arch/irq.h> +#include <arch/board/board.h> + +#include "up_arch.h" +#include "up_internal.h" + +#include "pic32mx-config.h" +#include "pic32mx-internal.h" + +/****************************************************************************** + * Private Definitions + ******************************************************************************/ + +/* Select UART parameters for the selected console */ + +#if defined(CONFIG_UART1_SERIAL_CONSOLE) +# define AVR32_CONSOLE_BASE PIC32MX_UART1_K1BASE +# define AVR32_CONSOLE_BAUD CONFIG_UART1_BAUD +# define AVR32_CONSOLE_BITS CONFIG_UART1_BITS +# define AVR32_CONSOLE_PARITY CONFIG_UART1_PARITY +# define AVR32_CONSOLE_2STOP CONFIG_UART1_2STOP +#elif defined(CONFIG_UART2_SERIAL_CONSOLE) +# define AVR32_CONSOLE_BASE PIC32MX_UART2_K1BASE +# define AVR32_CONSOLE_BAUD CONFIG_UART2_BAUD +# define AVR32_CONSOLE_BITS CONFIG_UART2_BITS +# define AVR32_CONSOLE_PARITY CONFIG_UART2_PARITY +# define AVR32_CONSOLE_2STOP CONFIG_UART2_2STOP +#else +# error "No CONFIG_UARTn_SERIAL_CONSOLE Setting" +#endif + +/****************************************************************************** + * Private Types + ******************************************************************************/ + +/****************************************************************************** + * Private Function Prototypes + ******************************************************************************/ + +/****************************************************************************** + * Global Variables + ******************************************************************************/ + +/****************************************************************************** + * Private Variables + ******************************************************************************/ + +/****************************************************************************** + * Private Functions + ******************************************************************************/ + +/****************************************************************************** + * Name: pic32mx_uartputreg + * + * Description: + * Write a value to a UART register + * + ******************************************************************************/ + +#ifdef HAVE_UART_DEVICE +static inline void pic32mx_uartputreg(uintptr_t uart_base, unsigned int offset, + uint32_t value) +{ + putreg32(value, uart_base + offset); +} +#endif + +/****************************************************************************** + * Name: pic32mx_uartgetreg + * + * Description: + * Get a value from a UART register + * + ******************************************************************************/ + +#ifdef HAVE_UART_DEVICE +static inline uint32_t pic32mx_uartgetreg(uintptr_t uart_base, + unsigned int offset) +{ + return getreg32(uart_base + offset); +} +#endif + +/****************************************************************************** + * Name: pic32mx_uartsetbaud + * + * Description: + * Configure the UART baud rate. + * + ******************************************************************************/ + +#ifdef HAVE_UART_DEVICE +static void pic32mx_uartsetbaud(uintptr_t uart_base, uint32_t baudrate) +{ +#warning "Missing logic" +} +#endif + +/****************************************************************************** + * Public Functions + ******************************************************************************/ + +/****************************************************************************** + * Name: pic32mx_uartreset + * + * Description: + * Reset a UART. + * + ******************************************************************************/ + +#ifdef HAVE_UART_DEVICE +void pic32mx_uartreset(uintptr_t uart_base) +{ +#warning "Missing logic" +} +#endif + +/****************************************************************************** + * Name: pic32mx_uartconfigure + * + * Description: + * Configure a UART as a RS-232 UART. + * + ******************************************************************************/ + +#ifdef HAVE_UART_DEVICE +void pic32mx_uartconfigure(uintptr_t uart_base, uint32_t baud, + unsigned int parity, unsigned int nbits, bool stop2) +{ +} +#endif + +/****************************************************************************** + * Name: pic32mx_consoleinit + * + * Description: + * Initialize a console for debug output. This function is called very + * early in the intialization sequence to configure the serial console uart + * (only). + * + ******************************************************************************/ + +void pic32mx_consoleinit(void) +{ +#warning "Missing logic" +} + +/****************************************************************************** + * Name: up_lowputc + * + * Description: + * Output one byte on the serial console + * + ******************************************************************************/ + +void up_lowputc(char ch) +{ +#warning "Missing logic" +} + |