[X9D] UART driver renamed, work on debug output

2013-02-24 12:31:02 +00:00
parent 87105c1268
commit 5def4849fe
5 changed files with 17 additions and 12 deletions
@@ -0,0 +1,74 @@
+/*
+ * Authors (alphabetical order)
+ * - Andre Bernet <bernet.andre@gmail.com>
+ * - Andreas Weitl
+ * - Bertrand Songis <bsongis@gmail.com>
+ * - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
+ * - Cameron Weeks <th9xer@gmail.com>
+ * - Erez Raviv
+ * - Gabriel Birkus
+ * - Jean-Pierre Parisy
+ * - Karl Szmutny
+ * - Michael Blandford
+ * - Michal Hlavinka
+ * - Pat Mackenzie
+ * - Philip Moss
+ * - Rob Thomson
+ * - Romolo Manfredini <romolo.manfredini@gmail.com>
+ * - Thomas Husterer
+ *
+ * open9x is based on code named
+ * gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
+ * er9x by Erez Raviv: http://code.google.com/p/er9x/,
+ * and the original (and ongoing) project by
+ * Thomas Husterer, th9x: http://code.google.com/p/th9x/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include "../open9x.h"
+
+void uartInit(uint32_t baudrate)
+{
+  USART_InitTypeDef USART_InitStructure;
+  GPIO_InitTypeDef GPIO_InitStructure;
+
+  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIO_UART, ENABLE);
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART_DEBUG, ENABLE);
+
+  GPIO_PinAFConfig(GPIO_UART, GPIO_PinSource_UART_RX, GPIO_AF_UART);
+  GPIO_PinAFConfig(GPIO_UART, GPIO_PinSource_UART_TX, GPIO_AF_UART);
+
+  GPIO_InitStructure.GPIO_Pin = GPIO_PIN_UART_TX | GPIO_PIN_UART_RX;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+  GPIO_Init(GPIO_UART, &GPIO_InitStructure);
+  
+  USART_InitStructure.USART_BaudRate = baudrate;
+  USART_InitStructure.USART_WordLength = USART_WordLength_8b;
+  USART_InitStructure.USART_StopBits = USART_StopBits_1;
+  USART_InitStructure.USART_Parity = USART_Parity_No;
+  USART_InitStructure.USART_Mode = USART_Mode_Tx;
+  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+  
+  USART_Init(UART_DEBUG, &USART_InitStructure);
+  USART_Cmd(UART_DEBUG, ENABLE);
+}
+
+void uartPutc(const char c)
+{
+  USART_SendData(UART_DEBUG, c);
+
+  /* Wait for end of previous transfer */
+  while (USART_GetFlagStatus(UART_DEBUG, USART_FLAG_TC) == RESET);
+}