RTEMS  5.1
mcan_config.h
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29 
44 #ifndef _MCAN_CONFIG_
45 #define _MCAN_CONFIG_
46 
47 /*------------------------------------------------------------------------------
48  * Headers
49  *------------------------------------------------------------------------------*/
50 
51 
52 /*------------------------------------------------------------------------------
53  * Global functions
54  *------------------------------------------------------------------------------*/
55 
56 #ifdef __cplusplus
57 extern "C" {
58 #endif
59 
60 /* Programmable Clock Source for Baud Rate is Common To Both MCAN Controllers */
61 #define MCAN_PROG_CLK_PRESCALER 1 /* /1 to /256 */
62 // select one of the following for the programmable clock source
63 //#define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_SLOW_CLK
64 //#define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_MAIN_CLK
65 //#define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_PLLA_CLK
66 //#define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_UPLL_CLK
67 #define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_MCK
68 #define MCAN_PROG_CLK_FREQ_HZ \
69  ((float) 150000000 / (float) MCAN_PROG_CLK_PRESCALER)
70 
71 #define MCAN0_BIT_RATE_BPS 500000
72 #define MCAN0_PROP_SEG 2
73 #define MCAN0_PHASE_SEG1 11
74 #define MCAN0_PHASE_SEG2 11
75 #define MCAN0_SYNC_JUMP 4
76 
77 #define MCAN0_FAST_BIT_RATE_BPS 2000000
78 #define MCAN0_FAST_PROP_SEG 2
79 #define MCAN0_FAST_PHASE_SEG1 4
80 #define MCAN0_FAST_PHASE_SEG2 4
81 #define MCAN0_FAST_SYNC_JUMP 2
82 
83 #define MCAN0_NMBR_STD_FLTS 8 /* 128 max filters */
84 #define MCAN0_NMBR_EXT_FLTS 8 /* 64 max filters */
85 #define MCAN0_NMBR_RX_FIFO0_ELMTS 0 /* # of elements, 64 elements max */
86 #define MCAN0_NMBR_RX_FIFO1_ELMTS 0 /* # of elements, 64 elements max */
87 #define MCAN0_NMBR_RX_DED_BUF_ELMTS 16 /* # of elements, 64 elements max */
88 #define MCAN0_NMBR_TX_EVT_FIFO_ELMTS 0 /* # of elements, 32 elements max */
89 #define MCAN0_NMBR_TX_DED_BUF_ELMTS 4 /* # of elements, 32 elements max */
90 #define MCAN0_NMBR_TX_FIFO_Q_ELMTS 0 /* # of elements, 32 elements max */
91 #define MCAN0_RX_FIFO0_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
92 #define MCAN0_RX_FIFO1_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
93 #define MCAN0_RX_BUF_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
94 #define MCAN0_TX_BUF_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
95 
96 #define MCAN1_BIT_RATE_BPS 500000
97 #define MCAN1_PROP_SEG 2
98 #define MCAN1_PHASE_SEG1 11
99 #define MCAN1_PHASE_SEG2 11
100 #define MCAN1_SYNC_JUMP 4
101 
102 #define MCAN1_FAST_BIT_RATE_BPS 2000000
103 #define MCAN1_FAST_PROP_SEG 2
104 #define MCAN1_FAST_PHASE_SEG1 4
105 #define MCAN1_FAST_PHASE_SEG2 4
106 #define MCAN1_FAST_SYNC_JUMP 2
107 
108 #define MCAN1_NMBR_STD_FLTS 8 /* 128 max filters */
109 #define MCAN1_NMBR_EXT_FLTS 8 /* 64 max filters */
110 #define MCAN1_NMBR_RX_FIFO0_ELMTS 12 /* # of elements, 64 elements max */
111 #define MCAN1_NMBR_RX_FIFO1_ELMTS 0 /* # of elements, 64 elements max */
112 #define MCAN1_NMBR_RX_DED_BUF_ELMTS 4 /* # of elements, 64 elements max */
113 #define MCAN1_NMBR_TX_EVT_FIFO_ELMTS 0 /* # of elements, 32 elements max */
114 #define MCAN1_NMBR_TX_DED_BUF_ELMTS 4 /* # of elements, 32 elements max */
115 #define MCAN1_NMBR_TX_FIFO_Q_ELMTS 4 /* # of elements, 32 elements max */
116 #define MCAN1_RX_FIFO0_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
117 #define MCAN1_RX_FIFO1_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
118 #define MCAN1_RX_BUF_ELMT_SZ 64 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
119 #define MCAN1_TX_BUF_ELMT_SZ 32 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
120 
121 #ifdef __cplusplus
122 }
123 #endif
124 
125 #endif /* #ifndef _MCAN_CONFIG_ */
126 
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