1 /*******************************************************************************
2 * Copyright 2019-2021 Microchip FPGA Embedded Systems Solutions.
3 *
4 */
5
6 #include <stdint.h>
7 #include <stdio.h>
8 #include <stdarg.h>
9 #include <stdbool.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <stdint.h>
13
14 #include "mpfs_hal/mss_hal.h"
15 #include "mss_cfm.h"
16
17 /***************************************************************************//**
18 * See mss_cfm.h for description of this function.
19 */
MSS_CFM_control_start(void)20 uint8_t MSS_CFM_control_start(void)
21 {
22
23 /* Writing a 1, to this causes measurement circuitry to start. */
24 CFM_REG->controlReg |= 1;
25
26 return (CFM_REG->controlReg & CFM_CONTROL_REG_START_MASK);
27
28 }
29
30
MSS_CFM_control_stop(void)31 uint8_t MSS_CFM_control_stop(void)
32 {
33
34 /* Writing a 1, to this causes measurement circuitry to start. */
35 CFM_REG->controlReg |= (1 << CFM_CONTROL_REG_STOP_BITS_SHIFT);
36
37 return (CFM_REG->controlReg & CFM_CONTROL_REG_START_MASK);
38
39 }
40
41
42
MSS_CLF_clk_configuration(uint8_t clkSel,uint8_t refsel0,uint8_t refsel1,uint8_t monSEL,uint8_t monEN)43 cfm_error_id_t MSS_CLF_clk_configuration(
44 uint8_t clkSel,
45 uint8_t refsel0,
46 uint8_t refsel1,
47 uint8_t monSEL,
48 uint8_t monEN
49 )
50 {
51
52 /* Reset the register. */
53 CFM_REG->clkselReg = 0;
54
55 /* Some error checking on configuration values. */
56 if(clkSel > CFM_CLK_SEL_MASK)
57 return ERROR_INVALID_CLK_SELECTION_GROUP;
58
59 if(refsel0 > CFM_CLK_REFSEL0_MASK)
60 return ERROR_INVALID_REF_SEL0;
61
62 if(refsel1 > CFM_CLK_REFSEL1_MASK)
63 return ERROR_INVALID_REF_SEL1;
64
65 if(monSEL > CFM_CLK_MONSEL_MASK)
66 return ERROR_INVALID_CHANNEL_DRIVE_CLK_MONITOR;
67
68
69 CFM_REG->clkselReg |= (clkSel & CFM_CLK_SEL_MASK);
70
71 if(refsel0)
72 CFM_REG->clkselReg |= (uint32_t)(refsel0 << CFM_CLK_REFSEL0SHIFT);
73
74 if(refsel1)
75 CFM_REG->clkselReg |= (uint32_t)(refsel1 << CFM_CLK_REFSEL1SHIFT);
76
77 if(monSEL)
78 CFM_REG->clkselReg |= (uint32_t)(monSEL << CFM_CLK_MONSEL_SHIFT);
79
80
81 if(monEN)
82 CFM_REG->clkselReg |= (uint32_t)(monEN << CFM_CLK_MONEN_SHIFT);
83
84
85 return CFM_OK;
86
87 }
88
89
MSS_CFM_runtime_register(uint32_t referenceCount)90 void MSS_CFM_runtime_register(uint32_t referenceCount)
91 {
92
93 /*Sets how many runtime reference clock cycles the frequency and time
94 * measurement shold be made for.. */
95 CFM_REG->runtimeReg = (referenceCount & CFM_RUNTIME_REG_MASK);
96
97 return;
98 }
99
100
MSS_CFM_channel_mode(cfmChannelMode chMode)101 void MSS_CFM_channel_mode(cfmChannelMode chMode)
102 {
103
104
105 uint32_t chConfiguration = 0;
106
107 chConfiguration |= (chMode.channel0 & CFM_CHANNEL_MODE_MASK) << CFM_CH0_SHIFT_MASK;
108 chConfiguration |= (chMode.channel1 & CFM_CHANNEL_MODE_MASK) << CFM_CH1_SHIFT_MASK;
109 chConfiguration |= (chMode.channel2 & CFM_CHANNEL_MODE_MASK) << CFM_CH2_SHIFT_MASK;
110 chConfiguration |= (chMode.channel3 & CFM_CHANNEL_MODE_MASK) << CFM_CH3_SHIFT_MASK;
111 chConfiguration |= (chMode.channel4 & CFM_CHANNEL_MODE_MASK) << CFM_CH4_SHIFT_MASK;
112 chConfiguration |= (chMode.channel5 & CFM_CHANNEL_MODE_MASK) << CFM_CH5_SHIFT_MASK;
113 chConfiguration |= (chMode.channel6 & CFM_CHANNEL_MODE_MASK) << CFM_CH6_SHIFT_MASK;
114 chConfiguration |= (chMode.channel7 & CFM_CHANNEL_MODE_MASK) << CFM_CH7_SHIFT_MASK;
115
116 CFM_REG->modelReg = chConfiguration;
117
118
119 return;
120 }
121
MSS_CFM_get_count(cfm_count_id_t ch,uint32_t * count)122 cfm_error_id_t MSS_CFM_get_count(cfm_count_id_t ch, uint32_t *count)
123 {
124
125 if(count == NULL)
126 return ERROR_NULL_VALUE;
127
128 *count = 0;
129
130 if(CFM_REG->controlReg & CFM_CONTROL_REG_BUSY_MASK)
131 return ERROR_INVALID_CFM_BUSY;
132
133 switch(ch)
134 {
135 case CFM_COUNT_0:
136 *count = CFM_REG->count0;
137 break;
138
139 case CFM_COUNT_1:
140 *count = CFM_REG->count1;
141 break;
142
143 case CFM_COUNT_2:
144 *count = CFM_REG->count2;
145 break;
146
147 case CFM_COUNT_3:
148 *count = CFM_REG->count3;
149 break;
150
151 case CFM_COUNT_4:
152 *count = CFM_REG->count4;
153 break;
154
155 case CFM_COUNT_5:
156 *count = CFM_REG->count5;
157 break;
158
159 case CFM_COUNT_6:
160 *count = CFM_REG->count6;
161 break;
162
163 case CFM_COUNT_7:
164 *count = CFM_REG->count7;
165 break;
166
167 default:
168 return 11;
169
170
171 }
172
173 return CFM_OK;
174
175 }
176
