/******************************************************************************* * configs/hn70ap/src/bootloader_uart.h * * Copyright (C) 2016-2018 Sebastien Lorquet. All rights reserved. * Author: Sebastien Lorquet * * 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. * ******************************************************************************/ #ifndef BOOTLOADER_UART #define BOOTLOADER_UART #include //reg offsets #define USART_OFF_SR 0x00 #define USART_OFF_DR 0x04 #define USART_OFF_BRR 0x08 #define USART_OFF_CR1 0x0C #define USART_OFF_CR2 0x10 #define USART_OFF_CR3 0x14 //bits values #define USART_SR_CTS (1<<9) #define USART_SR_LBD (1<<8) #define USART_SR_TXE (1<<7) #define USART_SR_TC (1<<6) #define USART_SR_RXNE (1<<5) #define USART_SR_IDLE (1<<4) #define USART_SR_ORE (1<<3) #define USART_SR_NF (1<<2) #define USART_SR_FE (1<<1) #define USART_SR_PE (1<<0) #define USART_CR1_OVER8 (1<<15) #define USART_CR1_UE (1<<13) #define USART_CR1_M (1<<12) #define USART_CR1_WAKE (1<<11) #define USART_CR1_PCE (1<<10) #define USART_CR1_PS (1<<9) #define USART_CR1_PEIE (1<<8) #define USART_CR1_TXEIE (1<<7) #define USART_CR1_TCIE (1<<6) #define USART_CR1_RXNEIE (1<<5) #define USART_CR1_IDLEIE (1<<4) #define USART_CR1_TE (1<<3) #define USART_CR1_RE (1<<2) #define USART_CR1_RWU (1<<1) #define USART_CR1_SBK (1<<0) #define USART_CR2_LINEN (1<<14) #define USART_CR2_STOP_SHIFT 12 #define USART_CR2_STOP_MASK (3<< USART_CR2_STOP_SHIFT) #define USART_CR2_CLKEN (1<<11) #define USART_CR2_CPOL (1<<10) #define USART_CR2_CPHA (1<<9) #define USART_CR2_LBCL (1<<8) #define USART_CR2_LBDIE (1<<7) #define USART_CR2_LBDL (1<<6) #define USART_CR2_ADD_SHIFT 0 #define USART_CR2_ADD_MASK (31 << USART_CR2_ADD_SHIFT) #define USART_CR3_ONEBIT (1<<11) #define USART_CR3_CTSIE (1<<10) #define USART_CR3_CTSE (1<<9) #define USART_CR3_RTSE (1<<8) #define USART_CR3_DMAT (1<<7) #define USART_CR3_DMAR (1<<6) #define USART_CR3_SCEN (1<<5) #define USART_CR3_NACK (1<<4) #define USART_CR3_HDSEL (1<<3) #define USART_CR3_IRLP (1<<2) #define USART_CR3_IREN (1<<1) #define USART_CR3_EIE (1<<0) void bootloader_uart_init(uint32_t uartid); void bootloader_uart_setbaud(uint32_t uartid, uint32_t baud); void bootloader_uart_send(uint32_t uartid, int data); void bootloader_uart_write_string(uint32_t uartid, const char *s); #endif /* BOOTLOADER_UART */