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| 1 | +/* |
| 2 | + * Copyright (c) 2019, Arm Limited and affiliates. |
| 3 | + * SPDX-License-Identifier: Apache-2.0 |
| 4 | + * |
| 5 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | + * you may not use this file except in compliance with the License. |
| 7 | + * You may obtain a copy of the License at |
| 8 | + * |
| 9 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | + * |
| 11 | + * Unless required by applicable law or agreed to in writing, software |
| 12 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | + * See the License for the specific language governing permissions and |
| 15 | + * limitations under the License. |
| 16 | + */ |
| 17 | + |
| 18 | +#include "I2CTester.h" |
| 19 | +#include "fpga_config.h" |
| 20 | + |
| 21 | +uint8_t I2CTester::num_starts() |
| 22 | +{ |
| 23 | + uint8_t num_starts = 0; |
| 24 | + read(TESTER_I2C_STARTS, &num_starts, sizeof(num_starts)); |
| 25 | + return num_starts; |
| 26 | +} |
| 27 | + |
| 28 | +uint8_t I2CTester::num_stops() |
| 29 | +{ |
| 30 | + uint8_t num_stops = 0; |
| 31 | + read(TESTER_I2C_STOPS, &num_stops, sizeof(num_stops)); |
| 32 | + return num_stops; |
| 33 | +} |
| 34 | + |
| 35 | +uint16_t I2CTester::num_acks() |
| 36 | +{ |
| 37 | + uint16_t num_acks = 0; |
| 38 | + read(TESTER_I2C_ACKS, (uint8_t *)&num_acks, sizeof(num_acks)); |
| 39 | + return num_acks; |
| 40 | +} |
| 41 | + |
| 42 | +uint16_t I2CTester::num_nacks() |
| 43 | +{ |
| 44 | + uint16_t num_nacks = 0; |
| 45 | + read(TESTER_I2C_NACKS, (uint8_t *)&num_nacks, sizeof(num_nacks)); |
| 46 | + return num_nacks; |
| 47 | +} |
| 48 | + |
| 49 | +uint16_t I2CTester::transfer_count() |
| 50 | +{ |
| 51 | + uint16_t transfers = 0; |
| 52 | + MBED_ASSERT(sizeof(transfers) == TESTER_I2C_TRANSFERS_SIZE); |
| 53 | + read(TESTER_I2C_TRANSFERS, (uint8_t *)&transfers, sizeof(transfers)); |
| 54 | + return transfers; |
| 55 | +} |
| 56 | + |
| 57 | +uint32_t I2CTester::get_receive_checksum() |
| 58 | +{ |
| 59 | + uint32_t to_slave_checksum = 0; |
| 60 | + MBED_ASSERT(sizeof(to_slave_checksum) == TESTER_I2C_TO_SLAVE_CHECKSUM_SIZE); |
| 61 | + read(TESTER_I2C_TO_SLAVE_CHECKSUM, (uint8_t *)&to_slave_checksum, sizeof(to_slave_checksum)); |
| 62 | + return to_slave_checksum; |
| 63 | +} |
| 64 | + |
| 65 | +uint8_t I2CTester::state_num() |
| 66 | +{ |
| 67 | + uint8_t state_num = 0; |
| 68 | + read(TESTER_I2C_STATE_NUM, &state_num, sizeof(state_num)); |
| 69 | + return state_num; |
| 70 | +} |
| 71 | + |
| 72 | +uint8_t I2CTester::num_dev_addr_matches() |
| 73 | +{ |
| 74 | + uint8_t num_correct = 0; |
| 75 | + read(TESTER_I2C_NUMBER_DEV_ADDR_MATCHES, &num_correct, sizeof(num_correct)); |
| 76 | + return num_correct; |
| 77 | +} |
| 78 | + |
| 79 | +void I2CTester::set_device_address(uint16_t addr) |
| 80 | +{ |
| 81 | + uint16_t data = addr; |
| 82 | + write(TESTER_I2C_DEVICE_ADDRESS, (uint8_t *)&data, sizeof(data)); |
| 83 | +} |
| 84 | + |
| 85 | +uint16_t I2CTester::get_device_address() |
| 86 | +{ |
| 87 | + uint16_t addr = 0; |
| 88 | + read(TESTER_I2C_DEVICE_ADDRESS, (uint8_t *)&addr, sizeof(addr)); |
| 89 | + return addr; |
| 90 | +} |
| 91 | + |
| 92 | +void I2CTester::set_sda(uint8_t value) |
| 93 | +{ |
| 94 | + uint8_t val = value; |
| 95 | + write(TESTER_I2C_SET_SDA, &val, sizeof(val)); |
| 96 | +} |
| 97 | + |
| 98 | +uint8_t I2CTester::get_prev_to_slave_4() |
| 99 | +{ |
| 100 | + uint8_t prev_to_slave_4 = 0; |
| 101 | + read(TESTER_I2C_PREV_TO_SLAVE_4, &prev_to_slave_4, sizeof(prev_to_slave_4)); |
| 102 | + return prev_to_slave_4; |
| 103 | +} |
| 104 | +uint8_t I2CTester::get_prev_to_slave_3() |
| 105 | +{ |
| 106 | + uint8_t prev_to_slave_3 = 0; |
| 107 | + read(TESTER_I2C_PREV_TO_SLAVE_3, &prev_to_slave_3, sizeof(prev_to_slave_3)); |
| 108 | + return prev_to_slave_3; |
| 109 | +} |
| 110 | +uint8_t I2CTester::get_prev_to_slave_2() |
| 111 | +{ |
| 112 | + uint8_t prev_to_slave_2 = 0; |
| 113 | + read(TESTER_I2C_PREV_TO_SLAVE_2, &prev_to_slave_2, sizeof(prev_to_slave_2)); |
| 114 | + return prev_to_slave_2; |
| 115 | +} |
| 116 | +uint8_t I2CTester::get_prev_to_slave_1() |
| 117 | +{ |
| 118 | + uint8_t prev_to_slave_1 = 0; |
| 119 | + read(TESTER_I2C_PREV_TO_SLAVE_1, &prev_to_slave_1, sizeof(prev_to_slave_1)); |
| 120 | + return prev_to_slave_1; |
| 121 | +} |
| 122 | +void I2CTester::set_next_from_slave(uint8_t value) |
| 123 | +{ |
| 124 | + uint8_t val = value; |
| 125 | + write(TESTER_I2C_NEXT_FROM_SLAVE, &val, sizeof(val)); |
| 126 | +} |
| 127 | +uint8_t I2CTester::get_next_from_slave() |
| 128 | +{ |
| 129 | + uint8_t next_from_slave = 0; |
| 130 | + read(TESTER_I2C_NEXT_FROM_SLAVE, &next_from_slave, sizeof(next_from_slave)); |
| 131 | + return next_from_slave; |
| 132 | +} |
| 133 | +uint16_t I2CTester::num_writes() |
| 134 | +{ |
| 135 | + uint16_t num_writes = 0; |
| 136 | + read(TESTER_I2C_NUM_WRITES, (uint8_t *)&num_writes, sizeof(num_writes)); |
| 137 | + return num_writes; |
| 138 | +} |
| 139 | +uint16_t I2CTester::num_reads() |
| 140 | +{ |
| 141 | + uint16_t num_reads = 0; |
| 142 | + read(TESTER_I2C_NUM_READS, (uint8_t *)&num_reads, sizeof(num_reads)); |
| 143 | + return num_reads; |
| 144 | +} |
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