Example of UART-DMA transfers taken form the npx cmsis driver libary

Dependencies:   mbed

Revision:
0:7480abd3b63b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/debug_frmwrk.c	Thu Sep 30 20:13:24 2010 +0000
@@ -0,0 +1,305 @@
+/***********************************************************************//**
+ * @file        debug_frmwrk.c
+ * @brief        Contains some utilities that used for debugging through UART
+ * @version        2.0
+ * @date        21. May. 2010
+ * @author        NXP MCU SW Application Team
+ *----------------------------------------------------------------------------
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * products. This software is supplied "AS IS" without any warranties.
+ * NXP Semiconductors assumes no responsibility or liability for the
+ * use of the software, conveys no license or title under any patent,
+ * copyright, or mask work right to the product. NXP Semiconductors
+ * reserves the right to make changes in the software without
+ * notification. NXP Semiconductors also make no representation or
+ * warranty that such application will be suitable for the specified
+ * use without further testing or modification.
+ **********************************************************************/
+
+#include "debug_frmwrk.h"
+#include "lpc17xx_pinsel.h"
+
+/* If this source file built with example, the LPC17xx FW library configuration
+ * file in each example directory ("lpc17xx_libcfg.h") must be included,
+ * otherwise the default FW library configuration file must be included instead
+ */
+#ifdef __BUILD_WITH_EXAMPLE__
+#include "lpc17xx_libcfg.h"
+#else
+#include "lpc17xx_libcfg_default.h"
+#endif /* __BUILD_WITH_EXAMPLE__ */
+
+#ifdef _DBGFWK
+/* Debug framework */
+
+void (*_db_msg)(LPC_UART_TypeDef *UARTx, const void *s);
+void (*_db_msg_)(LPC_UART_TypeDef *UARTx, const void *s);
+void (*_db_char)(LPC_UART_TypeDef *UARTx, uint8_t ch);
+void (*_db_dec)(LPC_UART_TypeDef *UARTx, uint8_t decn);
+void (*_db_dec_16)(LPC_UART_TypeDef *UARTx, uint16_t decn);
+void (*_db_dec_32)(LPC_UART_TypeDef *UARTx, uint32_t decn);
+void (*_db_hex)(LPC_UART_TypeDef *UARTx, uint8_t hexn);
+void (*_db_hex_16)(LPC_UART_TypeDef *UARTx, uint16_t hexn);
+void (*_db_hex_32)(LPC_UART_TypeDef *UARTx, uint32_t hexn);
+uint8_t (*_db_get_char)(LPC_UART_TypeDef *UARTx);
+
+
+/*********************************************************************//**
+ * @brief        Puts a character to UART port
+ * @param[in]    UARTx    Pointer to UART peripheral
+ * @param[in]    ch        Character to put
+ * @return        None
+ **********************************************************************/
+void UARTPutChar (LPC_UART_TypeDef *UARTx, uint8_t ch)
+{
+    UART_Send(UARTx, &ch, 1, BLOCKING);
+}
+
+
+/*********************************************************************//**
+ * @brief        Get a character to UART port
+ * @param[in]    UARTx    Pointer to UART peripheral
+ * @return        character value that returned
+ **********************************************************************/
+uint8_t UARTGetChar (LPC_UART_TypeDef *UARTx)
+{
+    uint8_t tmp = 0;
+    UART_Receive(UARTx, &tmp, 1, BLOCKING);
+    return(tmp);
+}
+
+
+/*********************************************************************//**
+ * @brief        Puts a string to UART port
+ * @param[in]    UARTx     Pointer to UART peripheral
+ * @param[in]    str     string to put
+ * @return        None
+ **********************************************************************/
+void UARTPuts(LPC_UART_TypeDef *UARTx, const void *str)
+{
+    uint8_t *s = (uint8_t *) str;
+
+    while (*s)
+    {
+        UARTPutChar(UARTx, *s++);
+    }
+}
+
+
+/*********************************************************************//**
+ * @brief        Puts a string to UART port and print new line
+ * @param[in]    UARTx    Pointer to UART peripheral
+ * @param[in]    str        String to put
+ * @return        None
+ **********************************************************************/
+void UARTPuts_(LPC_UART_TypeDef *UARTx, const void *str)
+{
+    UARTPuts (UARTx, str);
+    UARTPuts (UARTx, "\n\r");
+}
+
+
+/*********************************************************************//**
+ * @brief        Puts a decimal number to UART port
+ * @param[in]    UARTx    Pointer to UART peripheral
+ * @param[in]    decnum    Decimal number (8-bit long)
+ * @return        None
+ **********************************************************************/
+void UARTPutDec(LPC_UART_TypeDef *UARTx, uint8_t decnum)
+{
+    uint8_t c1=decnum%10;
+    uint8_t c2=(decnum/10)%10;
+    uint8_t c3=(decnum/100)%10;
+    UARTPutChar(UARTx, '0'+c3);
+    UARTPutChar(UARTx, '0'+c2);
+    UARTPutChar(UARTx, '0'+c1);
+}
+
+/*********************************************************************//**
+ * @brief        Puts a decimal number to UART port
+ * @param[in]    UARTx    Pointer to UART peripheral
+ * @param[in]    decnum    Decimal number (8-bit long)
+ * @return        None
+ **********************************************************************/
+void UARTPutDec16(LPC_UART_TypeDef *UARTx, uint16_t decnum)
+{
+    uint8_t c1=decnum%10;
+    uint8_t c2=(decnum/10)%10;
+    uint8_t c3=(decnum/100)%10;
+    uint8_t c4=(decnum/1000)%10;
+    uint8_t c5=(decnum/10000)%10;
+    UARTPutChar(UARTx, '0'+c5);
+    UARTPutChar(UARTx, '0'+c4);
+    UARTPutChar(UARTx, '0'+c3);
+    UARTPutChar(UARTx, '0'+c2);
+    UARTPutChar(UARTx, '0'+c1);
+}
+
+/*********************************************************************//**
+ * @brief        Puts a decimal number to UART port
+ * @param[in]    UARTx    Pointer to UART peripheral
+ * @param[in]    decnum    Decimal number (8-bit long)
+ * @return        None
+ **********************************************************************/
+void UARTPutDec32(LPC_UART_TypeDef *UARTx, uint32_t decnum)
+{
+    uint8_t c1=decnum%10;
+    uint8_t c2=(decnum/10)%10;
+    uint8_t c3=(decnum/100)%10;
+    uint8_t c4=(decnum/1000)%10;
+    uint8_t c5=(decnum/10000)%10;
+    uint8_t c6=(decnum/100000)%10;
+    uint8_t c7=(decnum/1000000)%10;
+    uint8_t c8=(decnum/10000000)%10;
+    uint8_t c9=(decnum/100000000)%10;
+    uint8_t c10=(decnum/100000000)%10;
+    UARTPutChar(UARTx, '0'+c10);
+    UARTPutChar(UARTx, '0'+c9);
+    UARTPutChar(UARTx, '0'+c8);
+    UARTPutChar(UARTx, '0'+c7);
+    UARTPutChar(UARTx, '0'+c6);
+    UARTPutChar(UARTx, '0'+c5);
+    UARTPutChar(UARTx, '0'+c4);
+    UARTPutChar(UARTx, '0'+c3);
+    UARTPutChar(UARTx, '0'+c2);
+    UARTPutChar(UARTx, '0'+c1);
+}
+
+/*********************************************************************//**
+ * @brief        Puts a hex number to UART port
+ * @param[in]    UARTx    Pointer to UART peripheral
+ * @param[in]    hexnum    Hex number (8-bit long)
+ * @return        None
+ **********************************************************************/
+void UARTPutHex (LPC_UART_TypeDef *UARTx, uint8_t hexnum)
+{
+    uint8_t nibble, i;
+
+    UARTPuts(UARTx, "0x");
+    i = 1;
+    do {
+        nibble = (hexnum >> (4*i)) & 0x0F;
+        UARTPutChar(UARTx, (nibble > 9) ? ('A' + nibble - 10) : ('0' + nibble));
+    } while (i--);
+}
+
+
+/*********************************************************************//**
+ * @brief        Puts a hex number to UART port
+ * @param[in]    UARTx    Pointer to UART peripheral
+ * @param[in]    hexnum    Hex number (16-bit long)
+ * @return        None
+ **********************************************************************/
+void UARTPutHex16 (LPC_UART_TypeDef *UARTx, uint16_t hexnum)
+{
+    uint8_t nibble, i;
+
+    UARTPuts(UARTx, "0x");
+    i = 3;
+    do {
+        nibble = (hexnum >> (4*i)) & 0x0F;
+        UARTPutChar(UARTx, (nibble > 9) ? ('A' + nibble - 10) : ('0' + nibble));
+    } while (i--);
+}
+
+/*********************************************************************//**
+ * @brief        Puts a hex number to UART port
+ * @param[in]    UARTx    Pointer to UART peripheral
+ * @param[in]    hexnum    Hex number (32-bit long)
+ * @return        None
+ **********************************************************************/
+void UARTPutHex32 (LPC_UART_TypeDef *UARTx, uint32_t hexnum)
+{
+    uint8_t nibble, i;
+
+    UARTPuts(UARTx, "0x");
+    i = 7;
+    do {
+        nibble = (hexnum >> (4*i)) & 0x0F;
+        UARTPutChar(UARTx, (nibble > 9) ? ('A' + nibble - 10) : ('0' + nibble));
+    } while (i--);
+}
+
+///*********************************************************************//**
+// * @brief        print function that supports format as same as printf()
+// *                 function of <stdio.h> library
+// * @param[in]    None
+// * @return        None
+// **********************************************************************/
+//void  _printf (const  char *format, ...)
+//{
+//    static  char  buffer[512 + 1];
+//            va_list     vArgs;
+//            char    *tmp;
+//    va_start(vArgs, format);
+//    vsprintf((char *)buffer, (char const *)format, vArgs);
+//    va_end(vArgs);
+//
+//    _DBG(buffer);
+//}
+
+/*********************************************************************//**
+ * @brief        Initialize Debug frame work through initializing UART port
+ * @param[in]    None
+ * @return        None
+ **********************************************************************/
+void debug_frmwrk_init(void)
+{
+    UART_CFG_Type UARTConfigStruct;
+    PINSEL_CFG_Type PinCfg;
+
+#if (USED_UART_DEBUG_PORT==0)
+    /*
+     * Initialize UART0 pin connect
+     */
+    PinCfg.Funcnum = 1;
+    PinCfg.OpenDrain = 0;
+    PinCfg.Pinmode = 0;
+    PinCfg.Pinnum = 2;
+    PinCfg.Portnum = 0;
+    PINSEL_ConfigPin(&PinCfg);
+    PinCfg.Pinnum = 3;
+    PINSEL_ConfigPin(&PinCfg);
+#elif #if (USED_UART_DEBUG_PORT==1)
+    /*
+     * Initialize UART1 pin connect
+     */
+    PinCfg.Funcnum = 1;
+    PinCfg.OpenDrain = 0;
+    PinCfg.Pinmode = 0;
+    PinCfg.Pinnum = 15;
+    PinCfg.Portnum = 0;
+    PINSEL_ConfigPin(&PinCfg);
+    PinCfg.Pinnum = 16;
+    PINSEL_ConfigPin(&PinCfg);
+#endif
+
+    /* Initialize UART Configuration parameter structure to default state:
+     * Baudrate = 9600bps
+     * 8 data bit
+     * 1 Stop bit
+     * None parity
+     */
+    UART_ConfigStructInit(&UARTConfigStruct);
+    // Re-configure baudrate to 115200bps
+    UARTConfigStruct.Baud_rate = 115200;
+
+    // Initialize DEBUG_UART_PORT peripheral with given to corresponding parameter
+    UART_Init((LPC_UART_TypeDef *)DEBUG_UART_PORT, &UARTConfigStruct);
+
+    // Enable UART Transmit
+    UART_TxCmd((LPC_UART_TypeDef *)DEBUG_UART_PORT, ENABLE);
+
+    _db_msg    = UARTPuts;
+    _db_msg_ = UARTPuts_;
+    _db_char = UARTPutChar;
+    _db_hex = UARTPutHex;
+    _db_hex_16 = UARTPutHex16;
+    _db_hex_32 = UARTPutHex32;
+    _db_dec = UARTPutDec;
+    _db_dec_16 = UARTPutDec16;
+    _db_dec_32 = UARTPutDec32;
+    _db_get_char = UARTGetChar;
+}
+#endif /*_DBGFWK */