Moved FPC BM-Lite SDK to a separate folder

Moved FPC BM-Lite SDK to a reparate folder
Checking result of execution of every command on BM-Lite

Change-Id: Ib0e441fac2a0f276d4adead0e588ac656276d20e

BMLite_example/Makefile

@@ -27,6 +27,7 @@ OUT := out
 DEPTH := 
 HCP_PATH := ../hcp
 RPIHAL_PATH := ../HAL_Driver
+BMLITE_PATH := ../BMLite_sdk
 
 # Main target
 TARGET := $(OUT)/$(PRODUCT)
@@ -46,7 +47,9 @@ CFLAGS +=\
 	-Wno-unused-result
 
 CFLAGS +=\
-	-DBMLITE_USE_CALLBACK
+	-DBMLITE_USE_CALLBACK \
+	-DDEBUG
+
 
 # C source files
 C_SRCS = $(wildcard src/*.c)
@@ -56,6 +59,8 @@ PATH_INC += inc
 
 C_INC = $(addprefix -I,$(PATH_INC))
 
+# Include BM-Lite SDK
+include $(BMLITE_PATH)/bmlite.mk
 # Include HAL driver
 include $(RPIHAL_PATH)/raspberry.mk
 

BMLite_example/inc/raspberry_pi_hal.h

@@ -1,32 +0,0 @@
-/*
- * 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.
- */
-
-/**
- * @file    Raspberry_pi_hal.h
- * @brief   Raspberry Pi HAL.
- */
-
-#ifndef RASPBERRYPI_HAL_H
-#define RASPBERRYPI_HAL_H
-
-/*
-* Pin definitions for RPI 3
-*/
-#define BMLITE_RESET_PIN    0
-#define BMLITE_IRQ_PIN      22
-#define SPI_CHANNEL         0
-
-#endif /* RASPBERRYPI_HAL_H */

BMLite_example/src/main.c

@@ -32,15 +32,18 @@
 #include <string.h>
 
 #include "bmlite_if.h"
+#include "hcp_tiny.h"
 #include "platform.h"
+#include "bmlite_hal.h"
+#include "platform_rpi.h"
 
 #define DATA_BUFFER_SIZE 102400
 static uint8_t hcp_txrx_buffer[MTU];
 static uint8_t hcp_data_buffer[DATA_BUFFER_SIZE];
 
 static HCP_comm_t hcp_chain = {
-    .read = platform_spi_receive,
+    .read = platform_bmlite_receive,
-    .write = platform_spi_send,
+    .write = platform_bmlite_send,
     .pkt_buffer = hcp_data_buffer,
     .txrx_buffer = hcp_txrx_buffer,
     .pkt_size = 0,
@@ -106,30 +109,33 @@ void save_to_pgm(FILE *f, uint8_t *image, int res_x, int res_y)
 
 int main (int argc, char **argv)
 {
-     char *port = NULL;
-    int baudrate = 921600;
-    int timeout = 5;
     int index;
     int c;
-    interface_t iface = COM_INTERFACE;
+    rpi_initparams_t rpi_params;
+    
+    rpi_params.iface = COM_INTERFACE;
+    rpi_params.hcp_comm = &hcp_chain;
+    rpi_params.baudrate = 921600;
+    rpi_params.timeout = 5;
+    rpi_params.port = NULL;
 
     opterr = 0;
 
     while ((c = getopt (argc, argv, "sb:p:t:")) != -1) {
         switch (c) {
             case 's':
-                iface = SPI_INTERFACE;
+                rpi_params.iface = SPI_INTERFACE;
-                if(baudrate == 921600)
+                if(rpi_params.baudrate == 921600)
-                    baudrate = 1000000;
+                    rpi_params.baudrate = 1000000;
                 break;
             case 'b':
-                baudrate = atoi(optarg);
+                rpi_params.baudrate = atoi(optarg);
                 break;
             case 'p':
-                port = optarg;
+                rpi_params.port = optarg;
                 break;
             case 't':
-                timeout = atoi(optarg);
+                rpi_params.timeout = atoi(optarg);
                 break;
             case '?':
                 if (optopt == 'b')
@@ -147,7 +153,7 @@ int main (int argc, char **argv)
             }
         }
 
-    if (iface == COM_INTERFACE && port == NULL) {
+    if (rpi_params.iface == COM_INTERFACE && rpi_params.port == NULL) {
         printf("port must be specified\n");
         help();
         exit(1);
@@ -157,31 +163,9 @@ int main (int argc, char **argv)
         printf ("Non-option argument %s\n", argv[index]);
     }
 
-    switch (iface) {
+    if(platform_init(&rpi_params) != FPC_BEP_RESULT_OK) {
-        case SPI_INTERFACE:
+        help();
-            if(!platform_spi_init(baudrate)) {
+        exit(1);
-                printf("SPI initialization failed\n");
-                exit(1);
-            }
-            break;
-        case COM_INTERFACE:
-            if (!platform_com_init(port, baudrate, timeout)) {
-                printf("Com initialization failed\n");
-                exit(1);
-            }
-            break;
-        default:
-            printf("Interface not specified'n");
-            help();
-            exit(1);
-    }
-
-    if (iface == COM_INTERFACE) {
-        hcp_chain.read = platform_com_receive;
-        hcp_chain.write = platform_com_send;
-    } else {
-        hcp_chain.read = platform_spi_receive;
-        hcp_chain.write = platform_spi_send;
     }
 
     while(1) {
@@ -190,13 +174,13 @@ int main (int argc, char **argv)
         uint16_t template_id;
         bool match;
 
-        // platform_clear_screen();
+        rpi_clear_screen();
         printf("BM-Lite Interface\n");
-        if (iface == SPI_INTERFACE)
+        if (rpi_params.iface == SPI_INTERFACE)
-        	printf("SPI port: speed %d Hz\n", baudrate);
+        	printf("SPI port: speed %d Hz\n", rpi_params.baudrate);
         else
-            printf("Com port: %s [speed: %d]\n", port, baudrate);
+            printf("Com port: %s [speed: %d]\n", rpi_params.port, rpi_params.baudrate);
-        printf("Timeout: %ds\n", timeout);
+        printf("Timeout: %ds\n", rpi_params.timeout);
         printf("-------------------\n\n");
         printf("Possible options:\n");
         printf("a: Enroll finger\n");

BMLite_sdk/bmlite.mk

@@ -0,0 +1,13 @@
+# Binary sources
+
+BMLITE_SDK = $(DEPTH)../BMLite_sdk
+
+VPATH += $(BMLITE_SDK)
+
+C_INC += -I$(BMLITE_SDK)/inc
+
+# Source Folders
+VPATH += $(BMLITE_SDK)/src/
+
+# C Sources
+C_SRCS += $(notdir $(wildcard $(BMLITE_SDK)/src/*.c))

BMLite_sdk/inc/bmlite_hal.h

@@ -0,0 +1,116 @@
+/**
+ * @file   bmlite_hal.h
+ * @brief  BM-Lite HAL functions.
+ * 
+ *    All functions must be implemented in order to support BM-Lite on a Board
+ */
+
+#ifndef BMLITE_H
+#define BMLITE_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "fpc_bep_types.h"
+
+#ifdef __arm__
+typedef uint32_t hal_tick_t;
+#else 
+typedef uint64_t hal_tick_t;
+#endif
+
+/**
+ * @brief LED status.
+ *
+ * Different LED status.
+ */
+typedef enum {
+    BMLITE_LED_STATUS_READY = 0,
+    BMLITE_LED_STATUS_MATCH,
+    BMLITE_LED_STATUS_WAITTOUCH,
+    BMLITE_LED_STATUS_ENROLL,
+    BMLITE_LED_STATUS_DELETE_TEMPLATES,
+    BMLITE_LED_STATUS_ERROR,
+} platform_led_status_t;
+
+
+/*
+ * @brief Board initialization
+ * @param[in] params  - pointer to additional parameters
+ */
+
+fpc_bep_result_t hal_board_init(void *params);
+
+/*
+ * @brief Control BM-Lite Reset pin
+ * @param[in] True  - Activate RESET
+ *            False - Deactivate RESET
+ */
+void hal_bmlite_reset(bool state);
+
+/*
+ * @brief SPI write-read
+ * @param[in] Write buffer
+ * @param[in] Read buffer
+ * @param[in] Size
+ * @param[in] Leave CS asserted
+ * @return ::fpc_bep_result_t
+ */
+fpc_bep_result_t hal_bmlite_spi_write_read(uint8_t *write, uint8_t *read, size_t size,
+        bool leave_cs_asserted);
+
+/*
+ * @brief Check if BM-Lite IRQ pin is set
+ * @return ::bool
+ */
+bool hal_bmlite_get_status(void);
+
+/**
+ * @brief Initializes timebase. Starts system tick counter.
+ */
+void hal_timebase_init(void);
+
+/**
+ * @brief Reads the system tick counter.
+ *
+ * @return Tick count since hal_timebase_init() call. [ms]
+ */
+hal_tick_t hal_timebase_get_tick(void);
+
+/**
+ * @brief Busy wait.
+ *
+ * @param[in] ms  Time to wait [ms].
+ * 0 => return immediately
+ * 1 => wait at least 1ms etc.
+ */
+void hal_timebase_busy_wait(uint32_t ms);
+
+/**
+ *  Optional functions for Buttons & Leds control
+ */
+
+/**
+ * @brief Get button press time (msec)
+ * 
+ * @return ::uint32_t
+ */
+uint32_t hal_get_button_press_time(void);
+
+/**
+ * @brief Check if button was pressed and released.
+ *
+ * @return Button press time in milli seconds.
+ */
+uint32_t hal_check_button_pressed(void);
+
+/**
+ * @brief Set LED(s) status
+ * @param[in] Status
+ * @param[in] Status modifier
+ */
+void hal_set_leds(platform_led_status_t status, uint16_t mode);
+
+
+#endif /* BMLITE_H */

BMLite_sdk/inc/fpc_bep_types.h

@@ -17,8 +17,9 @@
 #ifndef FPC_BEP_TYPES_H
 #define FPC_BEP_TYPES_H
 
+#include <stdint.h>
 #include <stdbool.h>
-
+#include <stddef.h>
 /**
  * @file    fpc_bep_types.h
  * @brief   Biometric Embedded Platform types.

BMLite_sdk/inc/platform.h

@@ -0,0 +1,78 @@
+/*
+ * 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.
+ */
+
+#ifndef PLATFORM_H
+#define PLATFORM_H
+
+/**
+ * @file    platform.h
+ * @brief   Platform specific function interface
+ */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "fpc_bep_types.h"
+
+/**
+ * @brief Initializes board
+ *
+ * @param[in] params  - pointer to additional parameters.
+ */
+fpc_bep_result_t platform_init(void *params);
+
+/**
+ * @brief Does BM-Lite HW Reset
+ *
+ */
+void platform_bmlite_reset(void);
+
+/**
+ * @brief Sends data over communication port in blocking mode.
+ *
+ * @param[in]       size        Number of bytes to send.
+ * @param[in]       data        Data buffer to send.
+ * @param[in]       timeout     Timeout in ms. Use 0 for infinity.
+ *
+ * @return ::fpc_com_result_t
+ */
+fpc_bep_result_t platform_bmlite_send(uint16_t size, const uint8_t *data, uint32_t timeout,
+        void *session);
+
+/**
+ * @brief Receives data from communication port in blocking mode.
+ *
+ * @param[in]       size        Number of bytes to receive.
+ * @param[in, out]  data        Data buffer to fill.
+ * @param[in]       timeout     Timeout in ms. Use 0 for infinity.
+ *
+ * @return ::fpc_com_result_t
+ */
+fpc_bep_result_t platform_bmlite_receive(uint16_t size, uint8_t *data, uint32_t timeout,
+        void *session);
+
+/**
+ * @brief Stops execution if a debug interface is attached.
+ */
+void platform_halt_if_debug(void);
+
+/**
+ * @brief Performs a software reset.
+ */
+void platform_sw_reset(void) __attribute__((__noreturn__));
+
+#endif /* PLATFORM_H */

BMLite_sdk/src/bmlite_if.c

@@ -1,14 +1,16 @@
 #include "hcp_tiny.h"
 #include "bmlite_if.h"
+#include "bmlite_hal.h"
 #include "platform.h"
 #include <stdio.h>
 
 #include "bmlite_if_callbacks.h"
 
 #define MAX_CAPTURE_ATTEMPTS 15
+#define MAX_SINGLE_CAPTURE_ATTEMPTS 3
 #define CAPTURE_TIMEOUT 3000
 
-#define exit_if_err(c) { bep_result = c; if(bep_result) goto exit; }
+#define exit_if_err(c) { bep_result = c; if(bep_result || chain->bep_result) goto exit; }
 
 #define assert(c)  { fpc_bep_result_t res = c; if(res) return res; }
 
@@ -78,7 +80,11 @@ fpc_bep_result_t bep_capture(HCP_comm_t *chain, uint16_t timeout)
 
     bmlite_on_start_capture();
     chain->phy_rx_timeout = timeout;
-    bep_result = bmlite_send_cmd_arg(chain, CMD_CAPTURE, ARG_NONE, ARG_TIMEOUT, &timeout, sizeof(timeout));
+    for(int i=0; i< MAX_SINGLE_CAPTURE_ATTEMPTS; i++) {
+        bep_result = bmlite_send_cmd_arg(chain, CMD_CAPTURE, ARG_NONE, ARG_TIMEOUT, &timeout, sizeof(timeout));
+        if( !(bep_result || chain->bep_result))
+            break;
+    }
     chain->phy_rx_timeout = prev_timeout;
     bmlite_on_finish_capture();
 

BMLite_sdk/src/hcp_tiny.c

@@ -7,8 +7,6 @@
 
 #include "bmlite_if_callbacks.h"
 
-#define DEBUG
-
 #ifdef DEBUG
 #include <stdio.h>
 #include <stdlib.h>
@@ -87,7 +85,7 @@ fpc_bep_result_t bmlite_get_arg(HCP_comm_t *hcp_comm, uint16_t arg_type)
     uint8_t *buffer = hcp_comm->pkt_buffer;
     uint16_t args_nr = ((_HCP_cmd_t *)(buffer))->args_nr;
     uint8_t *pdata = (uint8_t *)&((_HCP_cmd_t *)(buffer))->args;
-    while (i < args_nr && (pdata - buffer) <= hcp_comm->pkt_size) {
+    while (i < args_nr && (uint32_t)(pdata - buffer) <= hcp_comm->pkt_size) {
         _CMD_arg_t *parg = (_CMD_arg_t *)pdata;
         if(parg->arg == arg_type) {
             hcp_comm->arg.size = parg->size;

BMLite_sdk/src/platform.c

@@ -0,0 +1,78 @@
+/*
+ * 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.
+ */
+
+/**
+ * @file    platform.c
+ * @brief   Platform specific functions
+ */
+
+
+#include "fpc_bep_types.h"
+#include "platform.h"
+#include "bmlite_hal.h"
+
+fpc_bep_result_t platform_init(void *params)
+{
+    fpc_bep_result_t result;
+    result = hal_board_init(params);
+    if(result == FPC_BEP_RESULT_OK) {
+        hal_timebase_init();
+        platform_bmlite_reset();
+    }
+    return result;
+}
+
+void platform_bmlite_reset(void)
+{
+    hal_bmlite_reset(true);
+    hal_timebase_busy_wait(100);
+    hal_bmlite_reset(false);
+    hal_timebase_busy_wait(100);
+}
+
+fpc_bep_result_t platform_bmlite_send(uint16_t size, const uint8_t *data, uint32_t timeout,
+        void *session)
+{
+    uint8_t buff[size];
+
+    return hal_bmlite_spi_write_read((uint8_t *)data, buff, size, false);
+}
+
+fpc_bep_result_t platform_bmlite_receive(uint16_t size, uint8_t *data, uint32_t timeout,
+        void *session)
+{
+	volatile uint32_t start_time = hal_timebase_get_tick();
+	volatile uint32_t curr_time = start_time;
+    // Wait for BM_Lite Ready for timeout or indefinitely if timeout is 0
+    while (!hal_bmlite_get_status() &&
+    		(!timeout || (curr_time = hal_timebase_get_tick()) - start_time < timeout)) {
+                if(hal_check_button_pressed()) {
+                    return FPC_BEP_RESULT_TIMEOUT;
+                }
+    }
+    if(timeout && curr_time - start_time >= timeout) {
+        return FPC_BEP_RESULT_TIMEOUT;
+    }
+
+    uint8_t buff[size];
+    return hal_bmlite_spi_write_read(buff, data, size, false);
+}
+
+__attribute__((weak)) uint32_t hal_check_button_pressed()
+{
+    return 0;
+}
+

HAL_Driver/inc/platform_rpi.h

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef PLATFORM_H
+#ifndef PLATFORM_RPI_H
-#define PLATFORM_H
+#define PLATFORM_RPI_H
 
 /**
  * @file    platform.h
@@ -26,12 +26,27 @@
 #include <stdbool.h>
 
 #include "fpc_bep_types.h"
+#include "hcp_tiny.h"
 
 typedef enum {
    COM_INTERFACE = 0,
    SPI_INTERFACE
 } interface_t;
 
+typedef struct {
+   interface_t iface;
+   char *port;
+   uint32_t baudrate;
+   uint32_t timeout;
+   HCP_comm_t *hcp_comm;
+} rpi_initparams_t;
+
+/*
+* Pin definitions for RPI 3
+*/
+#define BMLITE_RESET_PIN    0
+#define BMLITE_IRQ_PIN      22
+#define SPI_CHANNEL         0
 
 /**
  * @brief Initializes COM Physical layer.
@@ -40,7 +55,7 @@ typedef enum {
  * @param[in]       baudrate    Baudrate.
  * @param[in]       timeout     Timeout in ms. Use 0 for infinity.
  */
-bool platform_com_init(char *port, int baudrate, int timeout);
+bool rpi_com_init(char *port, int baudrate, int timeout);
 
 /**
  * @brief Sends data over communication port in blocking mode.
@@ -51,7 +66,7 @@ bool platform_com_init(char *port, int baudrate, int timeout);
  *
  * @return ::fpc_bep_result_t
  */
-fpc_bep_result_t platform_com_send(uint16_t size, const uint8_t *data, uint32_t timeout,
+fpc_bep_result_t rpi_com_send(uint16_t size, const uint8_t *data, uint32_t timeout,
         void *session);
 
 /**
@@ -63,7 +78,7 @@ fpc_bep_result_t platform_com_send(uint16_t size, const uint8_t *data, uint32_t
  *
  * @return ::fpc_bep_result_t
  */
-fpc_bep_result_t platform_com_receive(uint16_t size, uint8_t *data, uint32_t timeout,
+fpc_bep_result_t rpi_com_receive(uint16_t size, uint8_t *data, uint32_t timeout,
         void *session);
 
 /**
@@ -71,7 +86,7 @@ fpc_bep_result_t platform_com_receive(uint16_t size, uint8_t *data, uint32_t tim
  *
  * @param[in]       speed_hz    Baudrate.
  */
-bool platform_spi_init(uint32_t speed_hz);
+bool rpi_spi_init(uint32_t speed_hz);
 
 /**
  * @brief Sends data over communication port in blocking mode.
@@ -102,12 +117,12 @@ fpc_bep_result_t platform_spi_receive(uint16_t size, uint8_t *data, uint32_t tim
  *
  * @return time in us.
  */
-uint64_t platform_get_time(void);
+// uint64_t platform_get_time(void);
 
 /**
  * @brief Clear console screen
  */
-void platform_clear_screen(void);
+void rpi_clear_screen(void);
 
 /**
  * @brief Busy wait.
@@ -119,4 +134,4 @@ void platform_clear_screen(void);
 void hal_timebase_busy_wait(uint32_t ms);
 
 
-#endif /* PLATFORM_H */
+#endif /* PLATFORM_RPI_H */

HAL_Driver/raspberry.mk

@@ -1,6 +1,15 @@
 # Binary sources
-VPATH += $(DEPTH)../HAL_Driver
 
-C_INC += -I$(DEPTH)../HAL_Driver/inc
+NHAL = $(DEPTH)../HAL_Driver
 
-LDFLAGS += -lwiringPi -L$(DEPTH)../HAL_Driver/lib/ 
+VPATH += $(NHAL)
+
+C_INC += -I$(NHAL)/inc
+
+LDFLAGS += -lwiringPi -L$(NHAL)/lib/ 
+
+# Source Folders
+VPATH += $(NHAL)/src/
+
+# C Sources
+C_SRCS += $(notdir $(wildcard $(NHAL)/src/*.c))

HAL_Driver/src/platform_linux.c

@@ -30,9 +30,11 @@
 #include <sys/time.h>
 #include <unistd.h>
 
+#include "bmlite_hal.h"
+#include "platform_rpi.h"
 #include "platform.h"
 
-uint64_t platform_get_time(void)
+hal_tick_t hal_timebase_get_tick(void)
 {
     struct timeval current_time;
     uint64_t time_in_ms;
@@ -44,12 +46,50 @@ uint64_t platform_get_time(void)
     return time_in_ms;
 }
 
-void platform_clear_screen(void)
+void hal_timebase_busy_wait(uint32_t ms)
+{
+    usleep(ms * 1000);
+}
+
+void rpi_clear_screen(void)
 {
     system("clear");
 }
 
-void hal_timebase_busy_wait(uint32_t ms)
+void hal_timebase_init()
 {
-    usleep(ms * 1000);
+}
-}
+
+fpc_bep_result_t hal_board_init(void *params)
+{
+    rpi_initparams_t *p = (rpi_initparams_t *)params;
+        switch (p->iface) {
+        case SPI_INTERFACE:
+            if(!rpi_spi_init(p->baudrate)) {
+                printf("SPI initialization failed\n");
+                return FPC_BEP_RESULT_INTERNAL_ERROR;
+            }
+            break;
+        case COM_INTERFACE:
+            if (!rpi_com_init(p->port, p->baudrate, p->timeout)) {
+                printf("Com initialization failed\n");
+                return FPC_BEP_RESULT_INTERNAL_ERROR;
+            }
+            break;
+        default:
+            printf("Interface not specified'n");
+            return FPC_BEP_RESULT_INTERNAL_ERROR;
+    }
+
+    if (p->iface == COM_INTERFACE) {
+        p->hcp_comm->read = rpi_com_receive;
+        p->hcp_comm->write = rpi_com_send;
+    } else {
+        p->hcp_comm->read = platform_bmlite_receive;
+        p->hcp_comm->write = platform_bmlite_send;
+    }
+
+    p->hcp_comm->phy_rx_timeout = p->timeout*1000;
+
+    return FPC_BEP_RESULT_OK;
+}

HAL_Driver/src/rpi_com.c

@@ -29,7 +29,7 @@
 #include <termios.h>
 #include <sys/time.h>
 
-#include "platform.h"
+#include "platform_rpi.h"
 
 static int fd = -1;
 
@@ -63,7 +63,7 @@ static int set_interface_attribs(int fd, int speed, int timeout)
     return 0;
 }
 
-bool platform_com_init(char *port, int baudrate, int timeout)
+bool rpi_com_init(char *port, int baudrate, int timeout)
 {
 
     int baud;
@@ -84,7 +84,7 @@ bool platform_com_init(char *port, int baudrate, int timeout)
     return true;
 }
 
-fpc_bep_result_t platform_com_send(uint16_t size, const uint8_t *data, uint32_t timeout,
+fpc_bep_result_t rpi_com_send(uint16_t size, const uint8_t *data, uint32_t timeout,
         void *session)
 {
     fpc_bep_result_t res = FPC_BEP_RESULT_OK;
@@ -104,7 +104,7 @@ fpc_bep_result_t platform_com_send(uint16_t size, const uint8_t *data, uint32_t
     return res;
 }
 
-fpc_bep_result_t platform_com_receive(uint16_t size, uint8_t *data, uint32_t timeout,
+fpc_bep_result_t rpi_com_receive(uint16_t size, uint8_t *data, uint32_t timeout,
         void *session)
 {
     fpc_bep_result_t res = FPC_BEP_RESULT_OK;

HAL_Driver/src/rpi_spi.c

@@ -39,7 +39,7 @@
 
 #include "wiringPi.h"
 #include "wiringPiSPI.h"
-#include "raspberry_pi_hal.h"
+#include "platform_rpi.h"
 
 #define SPI_BUF_MIN_SIZE 40000
 // This path is used to determine the SPI buffer size.
@@ -52,7 +52,7 @@ uint32_t speed_hz_int;
 
 void fpc_sensor_spi_reset(bool state);
 
-void raspberryPi_init()
+static void raspberryPi_init()
 {
     /* Start wiringPi functions. */
     wiringPiSetup();
@@ -66,15 +66,7 @@ void raspberryPi_init()
 
 }
 
-void platform_spi_sensor_reset(void)
+void hal_bmlite_reset(bool state)
-{
-    fpc_sensor_spi_reset(true);
-    usleep(100);
-    fpc_sensor_spi_reset(false);
-    usleep(10);
-}
-
-void fpc_sensor_spi_reset(bool state)
 {
     /* The reset pin is controlled by WiringPis digitalWrite function*/
     if (state) {
@@ -90,7 +82,7 @@ bool hal_bmlite_get_status(void)
 }
 
 
-bool platform_spi_init(uint32_t speed_hz)
+bool rpi_spi_init(uint32_t speed_hz)
 {
     raspberryPi_init();
 
@@ -143,7 +135,7 @@ bool platform_spi_init(uint32_t speed_hz)
     return true;
 }
 
-static fpc_bep_result_t platform_spi_write_read(const uint8_t *write, uint8_t *read, size_t size,
+fpc_bep_result_t hal_bmlite_spi_write_read(const uint8_t *write, uint8_t *read, size_t size,
     bool leave_cs_asserted)
 {
     /*
@@ -179,28 +171,28 @@ static fpc_bep_result_t platform_spi_write_read(const uint8_t *write, uint8_t *r
 
 }
 
-fpc_bep_result_t platform_spi_send(uint16_t size, const uint8_t *data, uint32_t timeout,
+// fpc_bep_result_t platform_spi_send(uint16_t size, const uint8_t *data, uint32_t timeout,
-        void *session)
+//         void *session)
-{
+// {
-    uint8_t buff[size];
+//     uint8_t buff[size];
 
-    return platform_spi_write_read(data, buff, size, false);
+//     return platform_spi_write_read(data, buff, size, false);
-}
+// }
 
-fpc_bep_result_t platform_spi_receive(uint16_t size, uint8_t *data, uint32_t timeout,
+// fpc_bep_result_t platform_spi_receive(uint16_t size, uint8_t *data, uint32_t timeout,
-        void *session)
+//         void *session)
-{
+// {
-	volatile uint64_t start_time = platform_get_time();
+// 	volatile uint64_t start_time = platform_get_time();
-	volatile uint64_t curr_time = start_time;
+// 	volatile uint64_t curr_time = start_time;
-    // Wait for BM_Lite Ready for timeout or indefinitely if timeout is 0
+//     // Wait for BM_Lite Ready for timeout or indefinitely if timeout is 0
-    while (!hal_bmlite_get_status() &&
+//     while (!hal_bmlite_get_status() &&
-    		(!timeout || (curr_time = platform_get_time()) - start_time < timeout)) {
+//     		(!timeout || (curr_time = platform_get_time()) - start_time < timeout)) {
-        //usleep(1);
+//         //usleep(1);
-    }
+//     }
-    if(timeout && curr_time - start_time >= timeout) {
+//     if(timeout && curr_time - start_time >= timeout) {
-        return FPC_BEP_RESULT_TIMEOUT;
+//         return FPC_BEP_RESULT_TIMEOUT;
-    }
+//     }
 
-    uint8_t buff[size];
+//     uint8_t buff[size];
-    return platform_spi_write_read(buff, data, size, false);
+//     return platform_spi_write_read(buff, data, size, false);
-}
+// }