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comparison Lib/mk20dx.c @ 340:e8841d3c6db5

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mk20dx256vlh7 working! - Interrupt vector table position fix (affected everything in the firmware) - Added fault debug messages - Fixed usbMuxUart
author Jacob Alexander <haata@kiibohd.com>
date Sat, 13 Jun 2015 20:42:12 -0700
parents 772f9bea482b
children 2bcf6800b851
comparison
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339:2f415c0b4b28 340:e8841d3c6db5
29 * SOFTWARE. 29 * SOFTWARE.
30 */ 30 */
31 31
32 // ----- Includes ----- 32 // ----- Includes -----
33 33
34 // Debug Includes
35 #if defined(_bootloader_)
36 #include <inttypes.h>
37 #include <debug.h>
38 #else
39 #include <print.h>
40 #endif
41
34 // Local Includes 42 // Local Includes
35 #include "mk20dx.h" 43 #include "mk20dx.h"
36 44
37 45
38 46
60 // ----- Interrupts ----- 68 // ----- Interrupts -----
61 69
62 // NVIC - Default ISR 70 // NVIC - Default ISR
63 void fault_isr() 71 void fault_isr()
64 { 72 {
73 print("Fault!");
65 while ( 1 ) 74 while ( 1 )
66 { 75 {
67 // keep polling some communication while in fault 76 // keep polling some communication while in fault
68 // mode, so we don't completely die. 77 // mode, so we don't completely die.
69 if ( SIM_SCGC4 & SIM_SCGC4_USBOTG ) usb_isr(); 78 if ( SIM_SCGC4 & SIM_SCGC4_USBOTG ) usb_isr();
85 { 94 {
86 systick_millis_count++; 95 systick_millis_count++;
87 } 96 }
88 97
89 98
99 // NVIC - Non-Maskable Interrupt ISR
100 void nmi_default_isr()
101 {
102 print("NMI!");
103 }
104
105
106 // NVIC - Hard Fault ISR
107 void hard_fault_default_isr()
108 {
109 print("Hard Fault!");
110 }
111
112
113 // NVIC - Memory Manager Fault ISR
114 void memmanage_fault_default_isr()
115 {
116 print("Memory Manager Fault!");
117 }
118
119
120 // NVIC - Bus Fault ISR
121 void bus_fault_default_isr()
122 {
123 print("Bus Fault!");
124 }
125
126
127 // NVIC - Usage Fault ISR
128 void usage_fault_default_isr()
129 {
130 print("Usage Fault!");
131 }
132
133
90 // NVIC - Default ISR/Vector Linking 134 // NVIC - Default ISR/Vector Linking
91 void nmi_isr() __attribute__ ((weak, alias("unused_isr"))); 135 void nmi_isr() __attribute__ ((weak, alias("nmi_default_isr")));
92 void hard_fault_isr() __attribute__ ((weak, alias("unused_isr"))); 136 void hard_fault_isr() __attribute__ ((weak, alias("hard_fault_default_isr")));
93 void memmanage_fault_isr() __attribute__ ((weak, alias("unused_isr"))); 137 void memmanage_fault_isr() __attribute__ ((weak, alias("memmanage_fault_default_isr")));
94 void bus_fault_isr() __attribute__ ((weak, alias("unused_isr"))); 138 void bus_fault_isr() __attribute__ ((weak, alias("bus_fault_default_isr")));
95 void usage_fault_isr() __attribute__ ((weak, alias("unused_isr"))); 139 void usage_fault_isr() __attribute__ ((weak, alias("usage_fault_default_isr")));
96 void svcall_isr() __attribute__ ((weak, alias("unused_isr"))); 140 void svcall_isr() __attribute__ ((weak, alias("unused_isr")));
97 void debugmonitor_isr() __attribute__ ((weak, alias("unused_isr"))); 141 void debugmonitor_isr() __attribute__ ((weak, alias("unused_isr")));
98 void pendablesrvreq_isr() __attribute__ ((weak, alias("unused_isr"))); 142 void pendablesrvreq_isr() __attribute__ ((weak, alias("unused_isr")));
99 void systick_isr() __attribute__ ((weak, alias("systick_default_isr"))); 143 void systick_isr() __attribute__ ((weak, alias("systick_default_isr")));
100 144
392 // For more details see: 436 // For more details see:
393 // http://cache.freescale.com/files/training/doc/dwf/AMF_ENT_T1031_Boston.pdf (page 8) 437 // http://cache.freescale.com/files/training/doc/dwf/AMF_ENT_T1031_Boston.pdf (page 8)
394 // http://cache.freescale.com/files/microcontrollers/doc/app_note/AN4507.pdf 438 // http://cache.freescale.com/files/microcontrollers/doc/app_note/AN4507.pdf
395 // http://cache.freescale.com/files/32bit/doc/ref_manual/K20P64M72SF1RM.pdf (28.34.6) 439 // http://cache.freescale.com/files/32bit/doc/ref_manual/K20P64M72SF1RM.pdf (28.34.6)
396 // 440 //
397 0xFF, 0xFF, 0xFF, 0xFF, // Program Flash Protection Bytes FPROT0-3 // XXX TODO PROTECT 441 0xFF, 0xFF, 0xFF, 0xFE, // Program Flash Protection Bytes FPROT0-3
398 442
399 0xBE, // Flash security byte FSEC 443 0xBE, // Flash security byte FSEC
400 0x03, // Flash nonvolatile option byte FOPT 444 0x03, // Flash nonvolatile option byte FOPT
401 0xFF, // EEPROM Protection Byte FEPROT 445 0xFF, // EEPROM Protection Byte FEPROT
402 0xFF, // Data Flash Protection Byte FDPROT 446 0xFF, // Data Flash Protection Byte FDPROT
501 // Enable clocks to always-used peripherals 545 // Enable clocks to always-used peripherals
502 SIM_SCGC5 = 0x00043F82; // Clocks active to all GPIO 546 SIM_SCGC5 = 0x00043F82; // Clocks active to all GPIO
503 SIM_SCGC6 = SIM_SCGC6_FTM0 | SIM_SCGC6_FTM1 | SIM_SCGC6_ADC0 | SIM_SCGC6_FTFL; 547 SIM_SCGC6 = SIM_SCGC6_FTM0 | SIM_SCGC6_FTM1 | SIM_SCGC6_ADC0 | SIM_SCGC6_FTFL;
504 #if defined(_mk20dx128_) 548 #if defined(_mk20dx128_)
505 SIM_SCGC6 |= SIM_SCGC6_RTC; 549 SIM_SCGC6 |= SIM_SCGC6_RTC;
506 #elif defined(_mk20dx256_) 550 #elif defined(_mk20dx256_) || defined(_mk20dx256vlh7_)
507 SIM_SCGC3 = SIM_SCGC3_ADC1 | SIM_SCGC3_FTM2; 551 SIM_SCGC3 = SIM_SCGC3_ADC1 | SIM_SCGC3_FTM2;
508 SIM_SCGC6 |= SIM_SCGC6_RTC; 552 SIM_SCGC6 |= SIM_SCGC6_RTC;
509 #endif 553 #endif
510 554
511 #if defined(_mk20dx128_) || defined(_mk20dx256_) // Teensy 3s 555 #if defined(_mk20dx128_) || defined(_mk20dx256_) // Teensy 3s
542 // USB Clock and FLL select 586 // USB Clock and FLL select
543 SIM_SOPT2 = SIM_SOPT2_USBSRC | SIM_SOPT2_TRACECLKSEL; 587 SIM_SOPT2 = SIM_SOPT2_USBSRC | SIM_SOPT2_TRACECLKSEL;
544 588
545 // Teensy 3.0 and 3.1 and Kiibohd-dfu (mk20dx256vlh7) 589 // Teensy 3.0 and 3.1 and Kiibohd-dfu (mk20dx256vlh7)
546 #else 590 #else
547 SCB_VTOR = 0; // use vector table in flash 591 #if defined(_mk20dx128_) || defined(_mk20dx256_)
592 // use vector table in flash
593 SCB_VTOR = 0;
594 #endif
548 595
549 // default all interrupts to medium priority level 596 // default all interrupts to medium priority level
550 for ( unsigned int i = 0; i < NVIC_NUM_INTERRUPTS; i++ ) 597 for ( unsigned int i = 0; i < NVIC_NUM_INTERRUPTS; i++ )
551 { 598 {
552 NVIC_SET_PRIORITY( i, 128 ); 599 NVIC_SET_PRIORITY( i, 128 );