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examples: Remove heap allocation from C++ examples
Cleanup of UPM C++ examples. Switched from heap allocation to
stack allocation when possible. This simplifies the samples since it
removes the need for explicit memory management. A script was used to
identify and replace pointer use. To simplify the replace script, I
re-formatted the C++ examples using the UPM .clang-format file.
Unfortuantely this changes the look of the UPM C++ examples to a large
degree. However, examples will now have a standard look/feel and
uniform formatting.
* Ran clang-format w/provided UPM .clang-format file
* Removed new's/delete's whenever possible (left those in interface
examples)
* Added IIO sensor library implementation of callback void* arg
* Converted all sleeps to upm defined delays (added header when
necessary)
* Scrubbed CXX example includes
Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Noel Eck
committed by
Mihai Tudor Panu
Mihai Tudor Panu
parent
bd6e4ec786
commit
5cefe7f5f3
@ -22,27 +22,35 @@
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <iostream>
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#include "nrf8001.hpp"
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#include "nrf8001-helloworld.hpp"
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#include <lib_aci.h>
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#include <aci_setup.h>
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#include <signal.h>
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#include <assert.h>
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#include <iostream>
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#include <lib_aci.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include "aci_cmds.h"
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#include "aci_evts.h"
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#include "hal_aci_tl.h"
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#include "nrf8001-helloworld.hpp"
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#include "nrf8001.hpp"
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#include "uart_over_ble.h"
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#include "upm_utilities.h"
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/*
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* You can use the nRF UART app in the Apple iOS app store and Google Play for Android 4.3 for Samsung Galaxy S4
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* You can use the nRF UART app in the Apple iOS app store and Google Play for
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* Android 4.3 for Samsung Galaxy S4
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* with this helloworld application
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*/
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#ifdef SERVICES_PIPE_TYPE_MAPPING_CONTENT
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static services_pipe_type_mapping_t
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services_pipe_type_mapping[NUMBER_OF_PIPES] = SERVICES_PIPE_TYPE_MAPPING_CONTENT;
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static services_pipe_type_mapping_t services_pipe_type_mapping[NUMBER_OF_PIPES] =
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SERVICES_PIPE_TYPE_MAPPING_CONTENT;
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#else
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#define NUMBER_OF_PIPES 0
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static services_pipe_type_mapping_t * services_pipe_type_mapping = NULL;
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#define NUMBER_OF_PIPES 0
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static services_pipe_type_mapping_t* services_pipe_type_mapping = NULL;
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#endif
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/**
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@ -54,7 +62,7 @@ static hal_aci_data_t setup_msgs[NB_SETUP_MESSAGES] = SETUP_MESSAGES_CONTENT;
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* aci_struct that will contain
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* total initial credits
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* current credit
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* current state of the aci (setup/standby/active/sleep)
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* current state of the aci (setup/standby/active/upm_delay)
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* open remote pipe pending
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* close remote pipe pending
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* Current pipe available bitmap
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@ -68,19 +76,19 @@ static struct aci_state_t aci_state;
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/**
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* Temporary buffers for sending ACI commands
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*/
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static hal_aci_evt_t aci_data;
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static hal_aci_evt_t aci_data;
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/*
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Timing change state variable
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*/
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static bool timing_change_done = false;
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static bool timing_change_done = false;
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/*
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Used to test the UART TX characteristic notification
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*/
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static uart_over_ble_t uart_over_ble;
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static uint8_t uart_buffer[20];
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static uint8_t uart_buffer_len = 0;
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static uint8_t uart_buffer[20];
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static uint8_t uart_buffer_len = 0;
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void
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sig_handler(int signo)
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@ -92,31 +100,34 @@ sig_handler(int signo)
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}
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void
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init_aci_setup () {
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init_aci_setup()
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{
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/**
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* Point ACI data structures to the the setup data that the nRFgo studio generated for the nRF8001
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*/
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* Point ACI data structures to the the setup data that the nRFgo studio
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* generated for the nRF8001
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*/
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// abort if this is NULL
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assert(services_pipe_type_mapping != NULL);
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aci_state.aci_setup_info.services_pipe_type_mapping =
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&services_pipe_type_mapping[0];
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aci_state.aci_setup_info.services_pipe_type_mapping = &services_pipe_type_mapping[0];
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aci_state.aci_setup_info.number_of_pipes = NUMBER_OF_PIPES;
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aci_state.aci_setup_info.setup_msgs = setup_msgs;
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aci_state.aci_setup_info.num_setup_msgs = NB_SETUP_MESSAGES;
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aci_state.aci_setup_info.number_of_pipes = NUMBER_OF_PIPES;
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aci_state.aci_setup_info.setup_msgs = setup_msgs;
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aci_state.aci_setup_info.num_setup_msgs = NB_SETUP_MESSAGES;
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}
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void
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uart_over_ble_init (void) {
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uart_over_ble_init(void)
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{
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uart_over_ble.uart_rts_local = true;
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}
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bool
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uart_tx (uint8_t *buffer, uint8_t buffer_len) {
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uart_tx(uint8_t* buffer, uint8_t buffer_len)
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{
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bool status = false;
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if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX) &&
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if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX) &&
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(aci_state.data_credit_available >= 1)) {
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status = lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, buffer, buffer_len);
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if (status) {
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@ -128,67 +139,68 @@ uart_tx (uint8_t *buffer, uint8_t buffer_len) {
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}
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bool
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uart_process_control_point_rx(uint8_t *byte, uint8_t length) {
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uart_process_control_point_rx(uint8_t* byte, uint8_t length)
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{
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bool status = false;
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aci_ll_conn_params_t *conn_params;
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aci_ll_conn_params_t* conn_params;
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if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_CONTROL_POINT_TX) ) {
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if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_CONTROL_POINT_TX)) {
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switch (*byte) {
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/*
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Queues a ACI Disconnect to the nRF8001 when this packet is received.
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May cause some of the UART packets being sent to be dropped
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*/
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Queues a ACI Disconnect to the nRF8001 when this packet is received.
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May cause some of the UART packets being sent to be dropped
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*/
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case UART_OVER_BLE_DISCONNECT:
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/*
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Parameters:
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None
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*/
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Parameters:
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None
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*/
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lib_aci_disconnect(&aci_state, ACI_REASON_TERMINATE);
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status = true;
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break;
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/*
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Queues an ACI Change Timing to the nRF8001
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*/
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Queues an ACI Change Timing to the nRF8001
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*/
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case UART_OVER_BLE_LINK_TIMING_REQ:
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/*
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Parameters:
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Connection interval min: 2 bytes
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Connection interval max: 2 bytes
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Slave latency: 2 bytes
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Timeout: 2 bytes
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Same format as Peripheral Preferred Connection Parameters (See nRFgo studio -> nRF8001 Configuration -> GAP Settings
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Refer to the ACI Change Timing Request in the nRF8001 Product Specifications
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*/
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conn_params = (aci_ll_conn_params_t *)(byte+1);
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lib_aci_change_timing( conn_params->min_conn_interval,
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conn_params->max_conn_interval,
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conn_params->slave_latency,
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conn_params->timeout_mult);
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Parameters:
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Connection interval min: 2 bytes
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Connection interval max: 2 bytes
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Slave latency: 2 bytes
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Timeout: 2 bytes
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Same format as Peripheral Preferred Connection Parameters (See nRFgo studio ->
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nRF8001 Configuration -> GAP Settings
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Refer to the ACI Change Timing Request in the nRF8001 Product Specifications
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*/
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conn_params = (aci_ll_conn_params_t*) (byte + 1);
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lib_aci_change_timing(conn_params->min_conn_interval,
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conn_params->max_conn_interval,
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conn_params->slave_latency,
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conn_params->timeout_mult);
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status = true;
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break;
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/*
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Clears the RTS of the UART over BLE
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*/
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Clears the RTS of the UART over BLE
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*/
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case UART_OVER_BLE_TRANSMIT_STOP:
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/*
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Parameters:
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None
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*/
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Parameters:
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None
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*/
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uart_over_ble.uart_rts_local = false;
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status = true;
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break;
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/*
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Set the RTS of the UART over BLE
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*/
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Set the RTS of the UART over BLE
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*/
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case UART_OVER_BLE_TRANSMIT_OK:
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/*
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Parameters:
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None
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*/
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Parameters:
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None
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*/
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uart_over_ble.uart_rts_local = true;
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status = true;
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break;
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@ -199,109 +211,132 @@ uart_process_control_point_rx(uint8_t *byte, uint8_t length) {
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}
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int
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main(int argc, char **argv)
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main(int argc, char** argv)
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{
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//! [Interesting]
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init_aci_setup ();
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init_local_interfaces (&aci_state, 10, 8, 4);
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init_aci_setup();
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init_local_interfaces(&aci_state, 10, 8, 4);
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while (1) {
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static bool setup_required = false;
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// We enter the if statement only when there is a ACI event available to be processed
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// We enter the if statement only when there is a ACI event available to be
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// processed
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if (lib_aci_event_get(&aci_state, &aci_data)) {
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aci_evt_t * aci_evt;
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aci_evt_t* aci_evt;
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aci_evt = &aci_data.evt;
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switch(aci_evt->evt_opcode) {
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switch (aci_evt->evt_opcode) {
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/**
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As soon as you reset the nRF8001 you will get an ACI Device Started Event
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*/
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As soon as you reset the nRF8001 you will get an ACI Device Started Event
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*/
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case ACI_EVT_DEVICE_STARTED: {
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aci_state.data_credit_total = aci_evt->params.device_started.credit_available;
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switch(aci_evt->params.device_started.device_mode) {
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switch (aci_evt->params.device_started.device_mode) {
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case ACI_DEVICE_SETUP:
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/**
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When the device is in the setup mode
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*/
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printf ("Evt Device Started: Setup \n");
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When the device is in the setup mode
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*/
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printf("Evt Device Started: Setup \n");
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setup_required = true;
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break;
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case ACI_DEVICE_STANDBY:
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printf ("Evt Device Started: Standby \n");
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// Looking for an iPhone by sending radio advertisements
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// When an iPhone connects to us we will get an ACI_EVT_CONNECTED event from the nRF8001
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printf("Evt Device Started: Standby \n");
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// Looking for an iPhone by sending radio
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// advertisements
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// When an iPhone connects to us we will get an
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// ACI_EVT_CONNECTED
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// event from the nRF8001
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if (aci_evt->params.device_started.hw_error) {
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usleep (20000); //Handle the HW error event correctly.
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upm_delay_us(20000); // Handle the HW error
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// event correctly.
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} else {
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lib_aci_connect(0/* in seconds : 0 means forever */, 0x0050 /* advertising interval 50ms*/);
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printf ("Advertising started \n");
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lib_aci_connect(0 /* in seconds : 0 means forever */,
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0x0050 /* advertising interval 50ms*/);
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printf("Advertising started \n");
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}
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break;
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default:
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break;
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}
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}
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break; // ACI Device Started Event
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} break; // ACI Device Started Event
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case ACI_EVT_CMD_RSP:
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//If an ACI command response event comes with an error -> stop
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// If an ACI command response event comes with an error -> stop
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if (ACI_STATUS_SUCCESS != aci_evt->params.cmd_rsp.cmd_status) {
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//ACI ReadDynamicData and ACI WriteDynamicData will have status codes of
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//TRANSACTION_CONTINUE and TRANSACTION_COMPLETE
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//all other ACI commands will have status code of ACI_STATUS_SCUCCESS for a successful command
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printf ("ACI_EVT_CMD_RSP \n");
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// ACI ReadDynamicData and ACI WriteDynamicData will have
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// status
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// codes of
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// TRANSACTION_CONTINUE and TRANSACTION_COMPLETE
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// all other ACI commands will have status code of
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// ACI_STATUS_SCUCCESS for a successful command
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printf("ACI_EVT_CMD_RSP \n");
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}
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if (ACI_CMD_GET_DEVICE_VERSION == aci_evt->params.cmd_rsp.cmd_opcode) {
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//Store the version and configuration information of the nRF8001 in the Hardware Revision String Characteristic
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lib_aci_set_local_data(&aci_state, PIPE_DEVICE_INFORMATION_HARDWARE_REVISION_STRING_SET,
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(uint8_t *)&(aci_evt->params.cmd_rsp.params.get_device_version), sizeof(aci_evt_cmd_rsp_params_get_device_version_t));
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// Store the version and configuration information of the
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// nRF8001 in
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// the Hardware Revision String Characteristic
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lib_aci_set_local_data(&aci_state,
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PIPE_DEVICE_INFORMATION_HARDWARE_REVISION_STRING_SET,
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(uint8_t*) &(
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aci_evt->params.cmd_rsp.params.get_device_version),
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sizeof(aci_evt_cmd_rsp_params_get_device_version_t));
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}
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break;
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case ACI_EVT_CONNECTED:
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printf ("ACI_EVT_CONNECTED");
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uart_over_ble_init ();
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printf("ACI_EVT_CONNECTED");
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uart_over_ble_init();
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timing_change_done = false;
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aci_state.data_credit_available = aci_state.data_credit_total;
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/*
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Get the device version of the nRF8001 and store it in the Hardware Revision String
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*/
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Get the device version of the nRF8001 and store it in the Hardware Revision
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String
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*/
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lib_aci_device_version();
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break;
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case ACI_EVT_PIPE_STATUS:
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printf ("ACI_EVT_PIPE_STATUS \n");
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if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX) && (false == timing_change_done)) {
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lib_aci_change_timing_GAP_PPCP(); // change the timing on the link as specified in the nRFgo studio -> nRF8001 conf. -> GAP.
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// Used to increase or decrease bandwidth
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printf("ACI_EVT_PIPE_STATUS \n");
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if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX) &&
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(false == timing_change_done)) {
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lib_aci_change_timing_GAP_PPCP(); // change the timing on
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// the link
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// as specified in the nRFgo
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// studio -> nRF8001 conf. ->
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// GAP.
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// Used to increase or decrease bandwidth
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timing_change_done = true;
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char hello[]="Hello World, works";
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uart_tx((uint8_t *)&hello[0], strlen(hello));
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char hello[] = "Hello World, works";
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uart_tx((uint8_t*) &hello[0], strlen(hello));
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}
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break;
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case ACI_EVT_TIMING:
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printf ("Evt link connection interval changed \n");
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printf("Evt link connection interval changed \n");
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lib_aci_set_local_data(&aci_state,
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PIPE_UART_OVER_BTLE_UART_LINK_TIMING_CURRENT_SET,
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(uint8_t *)&(aci_evt->params.timing.conn_rf_interval), /* Byte aligned */
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PIPE_UART_OVER_BTLE_UART_LINK_TIMING_CURRENT_SET_MAX_SIZE);
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PIPE_UART_OVER_BTLE_UART_LINK_TIMING_CURRENT_SET,
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(uint8_t*) &(
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aci_evt->params.timing.conn_rf_interval), /* Byte
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aligned */
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PIPE_UART_OVER_BTLE_UART_LINK_TIMING_CURRENT_SET_MAX_SIZE);
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break;
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case ACI_EVT_DISCONNECTED:
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printf ("ACI_EVT_DISCONNECTED \n");
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lib_aci_connect(0/* in seconds : 0 means forever */, 0x0050 /* advertising interval 50ms*/);
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printf ("Advertising started \n");
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printf("ACI_EVT_DISCONNECTED \n");
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lib_aci_connect(0 /* in seconds : 0 means forever */,
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0x0050 /* advertising interval 50ms*/);
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printf("Advertising started \n");
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break;
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case ACI_EVT_DATA_RECEIVED:
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if (PIPE_UART_OVER_BTLE_UART_RX_RX == aci_evt->params.data_received.rx_data.pipe_number) {
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for(int i=0; i<aci_evt->len - 2; i++) {
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uart_buffer[i] = aci_evt->params.data_received.rx_data.aci_data[i];
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if (PIPE_UART_OVER_BTLE_UART_RX_RX ==
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aci_evt->params.data_received.rx_data.pipe_number) {
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for (int i = 0; i < aci_evt->len - 2; i++) {
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uart_buffer[i] = aci_evt->params.data_received.rx_data.aci_data[i];
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}
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uart_buffer_len = aci_evt->len - 2;
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@ -309,53 +344,60 @@ main(int argc, char **argv)
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}
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}
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if (PIPE_UART_OVER_BTLE_UART_CONTROL_POINT_RX == aci_evt->params.data_received.rx_data.pipe_number) {
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//Subtract for Opcode and Pipe number
|
||||
uart_process_control_point_rx(&aci_evt->params.data_received.rx_data.aci_data[0], aci_evt->len - 2);
|
||||
if (PIPE_UART_OVER_BTLE_UART_CONTROL_POINT_RX ==
|
||||
aci_evt->params.data_received.rx_data.pipe_number) {
|
||||
// Subtract for Opcode and Pipe number
|
||||
uart_process_control_point_rx(
|
||||
&aci_evt->params.data_received.rx_data.aci_data[0], aci_evt->len - 2);
|
||||
}
|
||||
|
||||
printf ("Incomming data - %s\n", uart_buffer);
|
||||
printf("Incomming data - %s\n", uart_buffer);
|
||||
break;
|
||||
|
||||
case ACI_EVT_DATA_CREDIT:
|
||||
printf ("ACI_EVT_DATA_CREDIT \n");
|
||||
aci_state.data_credit_available = aci_state.data_credit_available + aci_evt->params.data_credit.credit;
|
||||
printf("ACI_EVT_DATA_CREDIT \n");
|
||||
aci_state.data_credit_available =
|
||||
aci_state.data_credit_available + aci_evt->params.data_credit.credit;
|
||||
break;
|
||||
|
||||
case ACI_EVT_PIPE_ERROR:
|
||||
printf ("ACI_EVT_PIPE_ERROR \n");
|
||||
//Increment the credit available as the data packet was not sent.
|
||||
//The pipe error also represents the Attribute protocol Error Response sent from the peer and that should not be counted
|
||||
//for the credit.
|
||||
printf("ACI_EVT_PIPE_ERROR \n");
|
||||
// Increment the credit available as the data packet was not sent.
|
||||
// The pipe error also represents the Attribute protocol Error
|
||||
// Response sent from the peer and that should not be counted
|
||||
// for the credit.
|
||||
if (ACI_STATUS_ERROR_PEER_ATT_ERROR != aci_evt->params.pipe_error.error_code) {
|
||||
aci_state.data_credit_available++;
|
||||
}
|
||||
break;
|
||||
|
||||
case ACI_EVT_HW_ERROR:
|
||||
printf ("ACI_EVT_HW_ERROR \n");
|
||||
lib_aci_connect(0/* in seconds, 0 means forever */, 0x0050 /* advertising interval 50ms*/);
|
||||
printf ("Advertising started \n");
|
||||
break;
|
||||
printf("ACI_EVT_HW_ERROR \n");
|
||||
lib_aci_connect(0 /* in seconds, 0 means forever */,
|
||||
0x0050 /* advertising interval 50ms*/);
|
||||
printf("Advertising started \n");
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* setup_required is set to true when the device starts up and enters setup mode.
|
||||
* It indicates that do_aci_setup() should be called. The flag should be cleared if
|
||||
* do_aci_setup() returns ACI_STATUS_TRANSACTION_COMPLETE.
|
||||
*/
|
||||
if(setup_required) {
|
||||
/* setup_required is set to true when the device starts up and enters setup
|
||||
* mode.
|
||||
* It indicates that do_aci_setup() should be called. The flag should be cleared
|
||||
* if
|
||||
* do_aci_setup() returns ACI_STATUS_TRANSACTION_COMPLETE.
|
||||
*/
|
||||
if (setup_required) {
|
||||
if (SETUP_SUCCESS == do_aci_setup(&aci_state)) {
|
||||
setup_required = false;
|
||||
}
|
||||
}
|
||||
|
||||
usleep (100);
|
||||
upm_delay_us(100);
|
||||
}
|
||||
|
||||
close_local_interfaces (&aci_state);
|
||||
close_local_interfaces(&aci_state);
|
||||
|
||||
//! [Interesting]
|
||||
|
||||
|
||||
Reference in New Issue
Block a user