BM-Lite/BMLite_examples/embedded_app/src/main.c
Andrey Perminov 27c95abeba Added support for BM-Lite UART interface.
Implemented UART interface support in stm32Wb55 HAL
2021-12-21 12:35:20 -08:00

139 lines
3.6 KiB
C

/*
* Copyright (c) 2020 Fingerprint Cards AB
*
* 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
*
* https://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.
*
* Modified by Andrey Perminov <andrey.ppp@gmail.com>
* for running on microcontrollers
*/
/**
* @file main.c
* @brief Main file for FPC BM-Lite Communication example.
*/
#include <unistd.h>
#include <string.h>
#include "bmlite_if.h"
#include "hcp_tiny.h"
#include "platform.h"
#include "bmlite_hal.h"
#define DATA_BUFFER_SIZE (1024*5)
static uint8_t hcp_txrx_buffer[MTU];
static uint8_t hcp_data_buffer[DATA_BUFFER_SIZE];
static HCP_comm_t hcp_chain = {
#ifdef BMLITE_ON_UART
.read = platform_bmlite_uart_receive,
.write = platform_bmlite_uart_send,
#else
.read = platform_bmlite_spi_receive,
.write = platform_bmlite_spi_send,
#endif
.pkt_buffer = hcp_data_buffer,
.txrx_buffer = hcp_txrx_buffer,
.pkt_size = 0,
.pkt_size_max = sizeof(hcp_data_buffer),
.phy_rx_timeout = 2000,
};
#ifdef BMLITE_USE_CALLBACK
void bmlite_on_error(bmlite_error_t error, int32_t value)
{
if(value != FPC_BEP_RESULT_TIMEOUT) {
hal_set_leds(BMLITE_LED_STATUS_ERROR, false);
} else {
// Timeout - not really an error here
hal_set_leds(BMLITE_LED_STATUS_ERROR, true);
}
}
// void bmlite_on_start_capture();
// void bmlite_on_finish_capture();
void bmlite_on_start_enroll()
{
hal_set_leds(BMLITE_LED_STATUS_ENROLL, true);
}
void bmlite_on_finish_enroll()
{
hal_set_leds(BMLITE_LED_STATUS_ENROLL, false);
}
void bmlite_on_start_enrollcapture()
{
hal_set_leds(BMLITE_LED_STATUS_WAITTOUCH, true);
}
void bmlite_on_finish_enrollcapture()
{
hal_set_leds(BMLITE_LED_STATUS_READY, false);
}
void bmlite_on_identify_start()
{
hal_set_leds(BMLITE_LED_STATUS_READY, true);
}
// void bmlite_on_identify_finish();
#endif
int main (int argc, char **argv)
{
platform_init(NULL);
{
char version[100];
uint16_t template_id;
uint32_t current_id = 0;
bool match;
// These two lines for debug purpose only
memset(version, 0, 100);
fpc_bep_result_t res = bep_version(&hcp_chain, version, 99);
while (1)
{
uint32_t btn_time = hal_get_button_press_time();
hal_set_leds(BMLITE_LED_STATUS_READY,0);
if (btn_time < 200) {
// nothing hapened
} else if (btn_time < 5000) {
// Enroll
res = bep_enroll_finger(&hcp_chain);
res = bep_template_save(&hcp_chain, current_id++);
} else {
// Erase All templates
hal_set_leds(BMLITE_LED_STATUS_DELETE_TEMPLATES, true);
res = bep_template_remove_all(&hcp_chain);
current_id = 0;
}
res = bep_identify_finger(&hcp_chain, 0, &template_id, &match);
if (res == FPC_BEP_RESULT_TIMEOUT || res == FPC_BEP_RESULT_IO_ERROR) {
platform_bmlite_reset();
continue;
} else if (res != FPC_BEP_RESULT_OK) {
continue;
}
hal_set_leds(BMLITE_LED_STATUS_MATCH, match);
res = sensor_wait_finger_not_present(&hcp_chain, 0);
}
}
}