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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| /* | ||
| * HydraBus/HydraNFC | ||
| * | ||
| * Copyright (C) 2014-2016 Benjamin VERNOUX | ||
| * Copyright (C) 2016 Nicolas OBERLI | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| #include "common.h" | ||
| #include "tokenline.h" | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include <ctype.h> | ||
|
|
||
| #include "hydrabus_bbio.h" | ||
| #include "hydrabus_mode_twowire.h" | ||
|
|
||
| void bbio_mode_twowire(t_hydra_console *con) | ||
| { | ||
| uint8_t bbio_subcommand, i; | ||
| uint8_t rx_data[16], tx_data[16]; | ||
| uint8_t data; | ||
| mode_config_proto_t* proto = &con->mode->proto; | ||
|
|
||
| init_proto_default(con); | ||
| twowire_pin_init(con); | ||
| tim_init(con); | ||
| twowire_clk_low(); | ||
| twowire_sda_low(); | ||
|
|
||
| while (!USER_BUTTON) { | ||
| if(chSequentialStreamRead(con->sdu, &bbio_subcommand, 1) == 1) { | ||
| switch(bbio_subcommand) { | ||
| case BBIO_RESET: | ||
| return; | ||
| case BBIO_2WIRE_READ_BYTE: | ||
| rx_data[0] = twowire_read_u8(con); | ||
| cprint(con, (char *)&rx_data[0], 1); | ||
| break; | ||
| case BBIO_2WIRE_READ_BIT: | ||
| rx_data[0] = twowire_read_bit_clock(); | ||
| cprint(con, (char *)&rx_data[0], 1); | ||
| break; | ||
| case BBIO_2WIRE_PEEK_INPUT: | ||
| rx_data[0] = twowire_read_bit(); | ||
| cprint(con, (char *)&rx_data[0], 1); | ||
| break; | ||
| case BBIO_2WIRE_CLK_TICK: | ||
| twowire_clock(); | ||
| cprint(con, "\x01", 1); | ||
| break; | ||
| case BBIO_2WIRE_CLK_LOW: | ||
| twowire_clk_low(); | ||
| cprint(con, "\x01", 1); | ||
| break; | ||
| case BBIO_2WIRE_CLK_HIGH: | ||
| twowire_clk_high(); | ||
| cprint(con, "\x01", 1); | ||
| break; | ||
| case BBIO_2WIRE_DATA_LOW: | ||
| twowire_sda_low(); | ||
| cprint(con, "\x01", 1); | ||
| break; | ||
| case BBIO_2WIRE_DATA_HIGH: | ||
| twowire_sda_high(); | ||
| cprint(con, "\x01", 1); | ||
| break; | ||
| default: | ||
| if ((bbio_subcommand & BBIO_2WIRE_BULK_TRANSFER) == BBIO_2WIRE_BULK_TRANSFER) { | ||
| // data contains the number of bytes to | ||
| // write | ||
| data = (bbio_subcommand & 0b1111) + 1; | ||
|
|
||
| chSequentialStreamRead(con->sdu, tx_data, data); | ||
| for(i=0; i<data; i++) { | ||
| twowire_write_u8(con, tx_data[i]); | ||
| } | ||
| cprint(con, "\x01", 1); | ||
| } else if ((bbio_subcommand & BBIO_2WIRE_BULK_BIT) == BBIO_2WIRE_BULK_BIT) { | ||
| // data contains the number of bits to | ||
| // write | ||
| data = (bbio_subcommand & 0b1111) + 1; | ||
|
|
||
| chSequentialStreamRead(con->sdu, &tx_data[0], 1); | ||
| if(proto->dev_bit_lsb_msb == DEV_SPI_FIRSTBIT_LSB) { | ||
| for (i=0; i<data; i++) { | ||
| twowire_send_bit((tx_data[0]>>i) & 1); | ||
| } | ||
| } else { | ||
| for (i=0; i<data; i++) { | ||
| twowire_send_bit((tx_data[0]>>(7-i)) & 1); | ||
| } | ||
| } | ||
| cprint(con, "\x01", 1); | ||
|
|
||
| } else if ((bbio_subcommand & BBIO_2WIRE_BULK_CLK) == BBIO_2WIRE_BULK_CLK) { | ||
| // data contains the number of bytes to | ||
| // write | ||
| data = (bbio_subcommand & 0b1111) + 1; | ||
|
|
||
| for(i=0; i<data; i++) { | ||
| twowire_clock(); | ||
| } | ||
| cprint(con, "\x01", 1); | ||
| } else if ((bbio_subcommand & BBIO_SPI_SET_SPEED) == BBIO_SPI_SET_SPEED) { | ||
| switch(bbio_subcommand & 0b11){ | ||
| case 0: | ||
| proto->dev_speed = 5000; | ||
| break; | ||
| case 1: | ||
| proto->dev_speed = 50000; | ||
| break; | ||
| case 2: | ||
| proto->dev_speed = 100000; | ||
| break; | ||
| case 3: | ||
| proto->dev_speed = 1000000; | ||
| break; | ||
| } | ||
| tim_set_prescaler(con); | ||
| } else if ((bbio_subcommand & BBIO_2WIRE_CONFIG) == BBIO_2WIRE_CONFIG) { | ||
| if(bbio_subcommand & 0b10){ | ||
| proto->dev_bit_lsb_msb = DEV_SPI_FIRSTBIT_MSB; | ||
| } else { | ||
| proto->dev_bit_lsb_msb = DEV_SPI_FIRSTBIT_LSB; | ||
| } | ||
| cprint(con, "\x01", 1); | ||
| } else if ((bbio_subcommand & BBIO_2WIRE_CONFIG_PERIPH) == BBIO_2WIRE_CONFIG_PERIPH) { | ||
| cprint(con, "\x01", 1); | ||
| } | ||
|
|
||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| /* | ||
| * HydraBus/HydraNFC | ||
| * | ||
| * Copyright (C) 2016 Nicolas OBERLI | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| void bbio_twowire_init_proto_default(t_hydra_console *con); | ||
| void bbio_mode_twowire(t_hydra_console *con); |
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