bsp_trace.c
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00035 #include <stdbool.h>
00036 #include "em_device.h"
00037 #include "em_gpio.h"
00038 #include "em_cmu.h"
00039 #include "bsp_trace.h"
00040 #include "bsp.h"
00041
00042 #if defined(BSP_ETM_TRACE) && defined( ETM_PRESENT )
00043
00047 void BSP_TraceEtmSetup(void)
00048 {
00049
00050 CMU->HFCORECLKEN0 |= CMU_HFCORECLKEN0_LE;
00051 CMU->HFPERCLKEN0 |= CMU_HFPERCLKEN0_GPIO;
00052 CMU->OSCENCMD = CMU_OSCENCMD_AUXHFRCOEN;
00053
00054
00055 while (!(CMU->STATUS & CMU_STATUS_AUXHFRCORDY)) ;
00056
00057
00058 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE3_MASK) | GPIO_P_MODEL_MODE3_PUSHPULL;
00059 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE4_MASK) | GPIO_P_MODEL_MODE4_PUSHPULL;
00060 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE5_MASK) | GPIO_P_MODEL_MODE5_PUSHPULL;
00061 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE6_MASK) | GPIO_P_MODEL_MODE6_PUSHPULL;
00062
00063
00064 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE7_MASK) | GPIO_P_MODEL_MODE7_PUSHPULL;
00065
00066
00067 GPIO->ROUTE = GPIO->ROUTE | GPIO_ROUTE_TCLKPEN | GPIO_ROUTE_TD0PEN | GPIO_ROUTE_TD1PEN
00068 | GPIO_ROUTE_TD2PEN | GPIO_ROUTE_TD3PEN
00069 | GPIO_ROUTE_ETMLOCATION_LOC0;
00070 }
00071 #endif
00072
00073
00079 void BSP_TraceSwoSetup(void)
00080 {
00081
00082 CMU->HFPERCLKEN0 |= CMU_HFPERCLKEN0_GPIO;
00083
00084
00085 GPIO->ROUTE |= GPIO_ROUTE_SWOPEN;
00086
00087
00088 GPIO->ROUTE = (GPIO->ROUTE & ~(_GPIO_ROUTE_SWLOCATION_MASK)) | BSP_TRACE_SWO_LOCATION;
00089
00090
00091 TRACE_ENABLE_PINS();
00092
00093
00094 CMU->OSCENCMD = CMU_OSCENCMD_AUXHFRCOEN;
00095
00096
00097 while (!(CMU->STATUS & CMU_STATUS_AUXHFRCORDY)) ;
00098
00099
00100 CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
00101
00102
00103 DWT->CTRL = 0x400113FF;
00104
00105
00106 TPI->ACPR = 0xf;
00107
00108
00109 TPI->SPPR = 2;
00110
00111
00112 ITM->LAR = 0xC5ACCE55;
00113 ITM->TCR = 0x10009;
00114 }
00115
00116
00117
00123 bool BSP_TraceProfilerSetup(void)
00124 {
00125 volatile uint32_t *userData = (uint32_t *) USER_PAGE;
00126
00127
00128 if (*userData == 0x00000000UL)
00129 {
00130 return false;
00131 }
00132 else
00133 {
00134 BSP_TraceSwoSetup();
00135 return true;
00136 }
00137 }