board.cpp

00001 /*
00002  / _____)             _              | |
00003 ( (____  _____ ____ _| |_ _____  ____| |__
00004  \____ \| ___ |    (_   _) ___ |/ ___)  _ \
00005  _____) ) ____| | | || |_| ____( (___| | | |
00006 (______/|_____)_|_|_| \__)_____)\____)_| |_|
00007     (C)2015 Semtech
00008 
00009 Description: Target board general functions implementation
00010 
00011 License: Revised BSD License, see LICENSE.TXT file include in the project
00012 
00013 Maintainer: Miguel Luis and Gregory Cristian
00014 */
00015 #include "mbed.h"
00016 #include "board.h"
00017 #define __STDC_FORMAT_MACROS
00018 #include <inttypes.h>
00019 
00020 /*!
00021  * Nested interrupt counter.
00022  *
00023  * \remark Interrupt should only be fully disabled once the value is 0
00024  */
00025 static uint8_t IrqNestLevel = 0;
00026 
00027 UnbufferedSerial pc( USBTX, USBRX );
00028 
00029 void app_printf(const char *fmt, ...)
00030 {
00031     char n, str[64];
00032     va_list arg_ptr;
00033 
00034     pc.write("\e[35m", 5);
00035 
00036     va_start(arg_ptr, fmt);
00037     n = vsnprintf(str, sizeof(str), fmt, arg_ptr);
00038     va_end(arg_ptr);
00039     pc.write(str, n);
00040 
00041     pc.write("\e[0m", 4);
00042 }
00043 
00044 void mac_printf(const char *fmt, ...)
00045 {
00046     char n, str[64];
00047     va_list arg_ptr;
00048 
00049     pc.write("\e[36m", 5);
00050 
00051     va_start(arg_ptr, fmt);
00052     n = vsnprintf(str, sizeof(str), fmt, arg_ptr);
00053     va_end(arg_ptr);
00054     pc.write(str, n);
00055 
00056     pc.write("\e[0m", 4);
00057 }
00058 
00059 void pc_printf(const char *fmt, ...)
00060 {
00061     char n, str[64];
00062     va_list arg_ptr;
00063 
00064     va_start(arg_ptr, fmt);
00065     n = vsnprintf(str, sizeof(str), fmt, arg_ptr);
00066     va_end(arg_ptr);
00067     pc.write(str, n);
00068 }
00069 
00070 void BoardDisableIrq( void )
00071 {
00072     __disable_irq( );
00073     IrqNestLevel++;
00074 }
00075 
00076 void BoardEnableIrq( void )
00077 {
00078     IrqNestLevel--;
00079     if( IrqNestLevel == 0 )
00080     {
00081         __enable_irq( );
00082     }
00083 }
00084 
00085 void BoardInit( void )
00086 {
00087 /*  TODO: ban low-speed internal osc
00088     if (!LL_RCC_LSE_IsReady()) {
00089         for (;;) __NOP();
00090     }
00091 */
00092 }
00093 
00094 uint8_t BoardGetBatteryLevel( void ) 
00095 {
00096     return 0xFE;
00097 }
00098 
00099 #ifdef TARGET_STM32L1   /* TARGET_NUCLEO_L152RE */
00100     /* 0x1ff80050: Cat1, Cat2 */
00101     #define ID1           ( 0x1ff800d0 ) /* Cat3, Cat4, Cat5 */
00102     #define ID2           ( ID1 + 0x04 )
00103     #define ID3           ( ID1 + 0x14 )
00104     DigitalOut rx_debug_pin(PC_3);
00105 #elif defined(TARGET_STM32L0)   /* TARGET_NUCLEO_L073RZ */
00106     #define ID1           ( 0x1ff80050 )
00107     #define ID2           ( ID1 + 0x04 )
00108     #define ID3           ( ID1 + 0x14 )
00109     #ifdef TARGET_DISCO_L072CZ_LRWAN1
00110         DigitalOut rx_debug_pin(PA_0);
00111     #else
00112         DigitalOut rx_debug_pin(PC_3);
00113     #endif
00114 #elif defined(TARGET_STM32L4)   /* TARGET_NUCLEO_L476RG */
00115     #define ID1           ( 0x1fff7590 )
00116     #define ID2           ( ID1 + 0x04 )
00117     #define ID3           ( ID1 + 0x08 )
00118     DigitalOut rx_debug_pin(PC_3);
00119 #else
00120     #error "provide signature address for target"
00121 #endif
00122 
00123 void BoardGetUniqueId( uint8_t *id )
00124 {
00125     id[7] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) ) >> 24;
00126     id[6] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) ) >> 16;
00127     id[5] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) ) >> 8;
00128     id[4] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) );
00129     id[3] = ( ( *( uint32_t* )ID2 ) ) >> 24;
00130     id[2] = ( ( *( uint32_t* )ID2 ) ) >> 16;
00131     id[1] = ( ( *( uint32_t* )ID2 ) ) >> 8;
00132     id[0] = ( ( *( uint32_t* )ID2 ) );
00133 }
00134