1 files changed, 236 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/proprietary_rf/esb_low_power_prx/main.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/proprietary_rf/esb_low_power_prx/main.c
new file mode 100644
index 0000000..7d58384
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/proprietary_rf/esb_low_power_prx/main.c
@@ -0,0 +1,236 @@
+/**
+ * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ * 
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ * 
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ * 
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+#include "nrf_esb.h"
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+#include "sdk_common.h"
+#include "nrf.h"
+#include "nrf_esb_error_codes.h"
+#include "nrf_delay.h"
+#include "nrf_gpio.h"
+#include "nrf_error.h"
+#include "boards.h"
+
+#include "nrf_log.h"
+#include "nrf_log_ctrl.h"
+#include "nrf_log_default_backends.h"
+
+#define LED_ON          0
+#define LED_OFF         1
+
+//#define NRF_ESB_LEGACY
+
+/*lint -save -esym(40, BUTTON_1) -esym(40, BUTTON_2) -esym(40, BUTTON_3) -esym(40, BUTTON_4) -esym(40, LED_1) -esym(40, LED_2) -esym(40, LED_3) -esym(40, LED_4) */
+
+static nrf_esb_payload_t tx_payload;
+static nrf_esb_payload_t rx_payload;
+static uint8_t m_state[4];
+uint8_t led_nr;
+
+void nrf_esb_event_handler(nrf_esb_evt_t const * p_event)
+{
+    switch (p_event->evt_id)
+    {
+        case NRF_ESB_EVENT_TX_SUCCESS:
+            NRF_LOG_DEBUG("SUCCESS");
+            break;
+        case NRF_ESB_EVENT_TX_FAILED:
+            NRF_LOG_DEBUG("FAILED");
+            (void) nrf_esb_flush_tx();
+            break;
+        case NRF_ESB_EVENT_RX_RECEIVED:
+            while (nrf_esb_read_rx_payload(&rx_payload) == NRF_SUCCESS) ;
+            NRF_LOG_DEBUG("Receiving packet: %x", rx_payload.data[0]);
+
+            switch (rx_payload.data[0] & 0xFUL)
+            {
+                case 0x1:
+                    m_state[0] = !m_state[0];
+                    nrf_gpio_pin_write(LED_1, m_state[0]);
+                    break;
+
+                case 0x2:
+                    m_state[1] = !m_state[1];
+                    nrf_gpio_pin_write(LED_2, m_state[1]);
+                    break;
+
+                case 0x4:
+                    m_state[2] = !m_state[2];
+                    nrf_gpio_pin_write(LED_3, m_state[2]);
+                    break;
+
+                case 0x8:
+                    m_state[3] = !m_state[3];
+                    nrf_gpio_pin_write(LED_4, m_state[3]);
+                    break;
+            }
+
+            nrf_gpio_pin_write(LED_1, m_state[0]);
+            nrf_gpio_pin_write(LED_2, m_state[1]);
+            nrf_gpio_pin_write(LED_3, m_state[2]);
+            nrf_gpio_pin_write(LED_4, m_state[3]);
+
+            tx_payload.length = 1;
+            tx_payload.data[0] = m_state[0] << 0
+                               | m_state[1] << 1
+                               | m_state[2] << 2
+                               | m_state[3] << 3;
+            (void) nrf_esb_write_payload(&tx_payload);
+
+            NRF_LOG_DEBUG("Queue transmitt packet: %02x", tx_payload.data[0]);
+            break;
+    }
+}
+
+
+void clocks_start( void )
+{
+    // Start HFCLK and wait for it to start.
+    NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
+    NRF_CLOCK->TASKS_HFCLKSTART = 1;
+    while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0);
+}
+
+
+uint32_t esb_init( void )
+{
+    uint32_t err_code;
+    uint8_t base_addr_0[4] = {0xE7, 0xE7, 0xE7, 0xE7};
+    uint8_t base_addr_1[4] = {0xC2, 0xC2, 0xC2, 0xC2};
+    uint8_t addr_prefix[8] = {0xE7, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8 };
+
+#ifndef NRF_ESB_LEGACY
+    nrf_esb_config_t nrf_esb_config         = NRF_ESB_DEFAULT_CONFIG;
+#else // NRF_ESB_LEGACY
+    nrf_esb_config_t nrf_esb_config         = NRF_ESB_LEGACY_CONFIG;
+#endif // NRF_ESB_LEGACY
+    nrf_esb_config.selective_auto_ack       = 0;
+    nrf_esb_config.payload_length           = 3;
+    nrf_esb_config.bitrate                  = NRF_ESB_BITRATE_2MBPS;
+    nrf_esb_config.mode                     = NRF_ESB_MODE_PRX;
+    nrf_esb_config.event_handler            = nrf_esb_event_handler;
+
+    err_code = nrf_esb_init(&nrf_esb_config);
+    VERIFY_SUCCESS(err_code);
+
+    err_code = nrf_esb_set_base_address_0(base_addr_0);
+    VERIFY_SUCCESS(err_code);
+
+    err_code = nrf_esb_set_base_address_1(base_addr_1);
+    VERIFY_SUCCESS(err_code);
+
+    err_code = nrf_esb_set_prefixes(addr_prefix, 8);
+    VERIFY_SUCCESS(err_code);
+
+    tx_payload.length = 1;
+
+    return NRF_SUCCESS;
+}
+
+void gpio_init( void )
+{
+    m_state[0] = LED_OFF;
+    m_state[1] = LED_OFF;
+    m_state[2] = LED_OFF;
+    m_state[3] = LED_OFF;
+
+    //nrf_gpio_range_cfg_output(8, 31);
+    bsp_board_init(BSP_INIT_LEDS);
+
+    nrf_gpio_pin_write(LED_1, m_state[0]);
+    nrf_gpio_pin_write(LED_2, m_state[1]);
+    nrf_gpio_pin_write(LED_3, m_state[2]);
+    nrf_gpio_pin_write(LED_4, m_state[3]);
+}
+
+
+uint32_t logging_init( void )
+{
+    uint32_t err_code;
+    err_code = NRF_LOG_INIT(NULL);
+
+    NRF_LOG_DEFAULT_BACKENDS_INIT();
+
+    return err_code;
+}
+
+
+void power_manage( void )
+{
+    // WFE - SEV - WFE sequence to wait until a radio event require further actions.
+    __WFE();
+    __SEV();
+    __WFE();
+}
+
+
+int main(void)
+{
+    uint32_t err_code;
+    err_code = logging_init();
+    APP_ERROR_CHECK(err_code);
+    gpio_init();
+    err_code = esb_init();
+    APP_ERROR_CHECK(err_code);
+    clocks_start();
+
+    NRF_LOG_DEBUG("Enhanced ShockBurst Receiver Example started.");
+
+    err_code = nrf_esb_start_rx();
+    APP_ERROR_CHECK(err_code);
+
+    tx_payload.data[0] = m_state[0] << 0
+                       | m_state[1] << 1
+                       | m_state[2] << 2
+                       | m_state[3] << 3;
+    err_code = nrf_esb_write_payload(&tx_payload);
+    APP_ERROR_CHECK(err_code);
+
+    while (true)
+    {
+        if (NRF_LOG_PROCESS() == false)
+        {
+            power_manage();
+        }
+    }
+}
+/*lint -restore */