632 lines
19 KiB
C
632 lines
19 KiB
C
//*****************************************************************************
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//
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//! @file am_util_apollo3_ble.c
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//!
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//! @brief Useful BLE functions not covered by the HAL.
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//!
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//! This file contains functions for interacting with the Apollo3 BLE hardware
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//! that are not already covered by the HAL. Most of these commands either
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//! adjust RF settings or facilitate RF testing operations.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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// Copyright (c) 2020, Ambiq Micro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// Third party software included in this distribution is subject to the
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// additional license terms as defined in the /docs/licenses directory.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 2.4.2 of the AmbiqSuite Development Package.
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//
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//*****************************************************************************
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include "am_util_delay.h"
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#include "am_mcu_apollo.h"
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//*****************************************************************************
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//
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// Globals
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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// In DTM mode, set TX to constant trans mode for SRRC/FCC/CE
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//set enable as 'true' to constant trans mode, 'false' back to normal
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//*****************************************************************************
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uint32_t
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am_util_ble_set_constant_transmission(void *pHandle, bool enable)
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{
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am_hal_ble_state_t *pBLE = pHandle;
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am_hal_ble_sleep_set(pBLE, false);
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am_hal_ble_plf_reg_write(pBLE, 0x43000004, 0xFFFFFFFF);
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if ( enable )
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{
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am_hal_ble_plf_reg_write(pBLE, 0x508000E0, 0x00008000);
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}
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else
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{
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am_hal_ble_plf_reg_write(pBLE, 0x508000E0, 0x00000000);
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}
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return AM_HAL_STATUS_SUCCESS;
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}
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//*****************************************************************************
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//
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// Manually enable/disable transmitter
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// set ui8TxCtrl as 1 to manually enable transmitter, 0 back to default
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//
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//*****************************************************************************
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uint32_t
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am_util_ble_transmitter_control(void *pHandle, uint8_t ui8TxCtrl)
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{
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am_hal_ble_state_t *pBLE = pHandle;
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uint32_t RegValueTRX;
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am_hal_ble_sleep_set(pBLE, false);
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if (ui8TxCtrl)
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{
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RegValueTRX = 0x2000A;
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}
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else
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{
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RegValueTRX = 0x8;
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}
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//
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// Unlock the BLE registers.
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//
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am_hal_ble_plf_reg_write(pBLE, 0x43000004, 0xFFFFFFFF);
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am_hal_ble_plf_reg_write(pBLE, 0x52400000, RegValueTRX);
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return AM_HAL_STATUS_SUCCESS;
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}
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//*****************************************************************************
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//
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//to fix the channel 1 bug in DTM mode
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//
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//*****************************************************************************
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uint32_t
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am_util_ble_init_rf_channel(void *pHandle)
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{
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if (!APOLLO3_GE_B0)
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{
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am_hal_ble_buffer(16) sWriteCommand;
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am_hal_ble_buffer(16) sResponse;
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am_hal_ble_state_t *pBLE = pHandle;
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uint32_t ui32IntEnable;
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uint32_t ui32Module = pBLE->ui32Module;
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am_hal_ble_sleep_set(pBLE, false);
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//issue the HCI command with to init for the channel 1
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sWriteCommand.bytes[0] = 0x01;
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sWriteCommand.bytes[1] = 0x1d;
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sWriteCommand.bytes[2] = 0x20;
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sWriteCommand.bytes[3] = 0x01;
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sWriteCommand.bytes[4] = 0x00;
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//
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// Temporarily disable BLE interrupts.
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//
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ui32IntEnable = BLEIFn(ui32Module)->INTEN;
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BLEIFn(ui32Module)->INTEN = 0;
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// reserved packet_payload
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am_hal_ble_blocking_hci_write(pBLE,
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AM_HAL_BLE_RAW,
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sWriteCommand.words,
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5);
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BLEIFn(ui32Module)->BLEDBG_b.IOCLKON = 1;
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//
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// Wait for the response.
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//
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while ( BLEIFn(ui32Module)->BSTATUS_b.BLEIRQ == 0 );
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am_hal_ble_blocking_hci_read(pBLE, sResponse.words, 0);
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am_util_delay_ms(10);
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// issue the HCI command with to stop test for the channel 1
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sWriteCommand.bytes[0] = 0x01;
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sWriteCommand.bytes[1] = 0x1f;
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sWriteCommand.bytes[2] = 0x20;
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sWriteCommand.bytes[3] = 0x00;
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// reserved packet_payload
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am_hal_ble_blocking_hci_write(pBLE,
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AM_HAL_BLE_RAW,
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sWriteCommand.words,
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4);
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BLEIFn(ui32Module)->BLEDBG_b.IOCLKON = 1;
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//
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// Wait for the response.
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//
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while ( BLEIFn(ui32Module)->BSTATUS_b.BLEIRQ == 0 );
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am_hal_ble_blocking_hci_read(pBLE, sResponse.words, 0);
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//
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// Re-enable BLE interrupts.
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//
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BLEIFn(ui32Module)->INTCLR = ui32IntEnable;
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BLEIFn(ui32Module)->INTEN = ui32IntEnable;
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}
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return AM_HAL_STATUS_SUCCESS;
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}
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//*****************************************************************************
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//
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// BLE init for BQB test
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//set enable as 'true' to init as BQB test mode, 'false' back to default
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//*****************************************************************************
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uint32_t
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am_util_ble_BQB_test_init(void *pHandle, bool enable)
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{
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am_hal_ble_state_t *pBLE = pHandle;
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am_hal_ble_sleep_set(pBLE, false);
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am_hal_ble_plf_reg_write(pBLE, 0x43000004, 0xFFFFFFFF);
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if ( enable )
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{
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am_hal_ble_plf_reg_write(pBLE, 0x51800028, 0x0000209c);
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}
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else
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{
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am_hal_ble_plf_reg_write(pBLE, 0x51800028, 0x00003ff6);
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}
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am_hal_ble_plf_reg_write(pBLE, 0x45800070, 0x100);
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am_hal_ble_plf_reg_write(pBLE, 0x45800070, 0);
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return AM_HAL_STATUS_SUCCESS;
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}
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//*****************************************************************************
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//
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// Set the 32M crystal frequency
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// based on the tested values at customer side.
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// set trim value smaller in case of negative frequency offset
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// ui32TrimValue: default is 0x400
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//*****************************************************************************
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uint32_t
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am_util_ble_crystal_trim_set(void *pHandle, uint32_t ui32TrimValue)
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{
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am_hal_ble_state_t *pBLE = pHandle;
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uint32_t RegValueMCGR;
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ui32TrimValue &= 0x7FF;
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am_hal_ble_plf_reg_read(pBLE, 0x43000004, &RegValueMCGR);
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//
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// Unlock the BLE registers.
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//
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am_hal_ble_plf_reg_write(pBLE, 0x43000004, 0xFFFFFFFF);
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am_hal_ble_plf_reg_write(pBLE, 0x43800004, ui32TrimValue);
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am_hal_ble_plf_reg_write(pBLE, 0x43000004, RegValueMCGR);
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return AM_HAL_STATUS_SUCCESS;
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}
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//*****************************************************************************
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//
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// Manually enable/disable transmitter to output carrier signal
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// set ui8TxChannel as 0 to 0x27 for each transmit channel, 0xFF back to normal modulate mode
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//
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//*****************************************************************************
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uint32_t
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am_util_ble_hci_reset(void *pHandle)
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{
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am_hal_ble_buffer(16) sWriteCommand;
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am_hal_ble_buffer(16) sResponse;
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am_hal_ble_state_t *pBLE = pHandle;
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uint32_t ui32IntEnable;
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am_hal_ble_sleep_set(pBLE, false);
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uint32_t ui32Module = pBLE->ui32Module;
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// issue the HCI command with to reset hci
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sWriteCommand.bytes[0] = 0x01;
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sWriteCommand.bytes[1] = 0x03;
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sWriteCommand.bytes[2] = 0x0c;
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sWriteCommand.bytes[3] = 0x00;
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//
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// Temporarily disable BLE interrupts.
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//
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ui32IntEnable = BLEIFn(ui32Module)->INTEN;
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BLEIFn(ui32Module)->INTEN = 0;
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am_hal_ble_blocking_hci_write(pBLE,
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AM_HAL_BLE_RAW,
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sWriteCommand.words,
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4);
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BLEIFn(ui32Module)->BLEDBG_b.IOCLKON = 1;
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//
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// Wait for the response.
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//
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for (uint32_t i = 0; i < 1000; i++)
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{
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if ( BLEIFn(ui32Module)->BSTATUS_b.BLEIRQ != 0 )
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{
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break;
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}
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else if (i == (1000 - 1))
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{
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return AM_HAL_BLE_NO_HCI_RESPONSE;
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}
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else
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{
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am_util_delay_ms(1);
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}
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}
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am_hal_ble_blocking_hci_read(pBLE, sResponse.words, 0);
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//
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// Re-enable BLE interrupts.
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//
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BLEIFn(ui32Module)->INTCLR = ui32IntEnable;
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BLEIFn(ui32Module)->INTEN = ui32IntEnable;
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return AM_HAL_STATUS_SUCCESS;
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}
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//*****************************************************************************
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//
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//to do directly output modulation signal. change channel ranges from 0 to 0x27, pattern from 0 to 7.
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//
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//*****************************************************************************
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uint32_t
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am_util_ble_trasmitter_test_ex(void *pHandle, uint8_t channel, uint8_t pattern)
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{
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am_hal_ble_buffer(16) sWriteCommand;
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am_hal_ble_buffer(16) sResponse;
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am_hal_ble_state_t *pBLE = pHandle;
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uint32_t ui32IntEnable;
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am_hal_ble_sleep_set(pBLE, false);
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uint32_t ui32Module = pBLE->ui32Module;
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// issue the HCI command with to TX carrier wave
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sWriteCommand.bytes[0] = 0x01;
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sWriteCommand.bytes[1] = 0x1E;
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sWriteCommand.bytes[2] = 0x20;
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sWriteCommand.bytes[3] = 0x03;
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sWriteCommand.bytes[4] = channel;
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sWriteCommand.bytes[5] = 0x25;
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sWriteCommand.bytes[6] = pattern;
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//
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// Temporarily disable BLE interrupts.
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//
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ui32IntEnable = BLEIFn(ui32Module)->INTEN;
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BLEIFn(ui32Module)->INTEN = 0;
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am_hal_ble_blocking_hci_write(pBLE,
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AM_HAL_BLE_RAW,
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sWriteCommand.words,
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7);
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BLEIFn(ui32Module)->BLEDBG_b.IOCLKON = 1;
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//
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// Wait for the response.
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//
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for (uint32_t i = 0; i < 100; i++)
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{
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if (BLEIFn(ui32Module)->BSTATUS_b.BLEIRQ != 0)
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{
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break;
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}
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else if (i == (100 - 1))
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{
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return AM_HAL_BLE_NO_HCI_RESPONSE;
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}
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else
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{
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am_util_delay_ms(1);
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}
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}
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am_hal_ble_blocking_hci_read(pBLE, sResponse.words, 0);
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//
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// Re-enable BLE interrupts.
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//
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BLEIFn(ui32Module)->INTCLR = ui32IntEnable;
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BLEIFn(ui32Module)->INTEN = ui32IntEnable;
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return AM_HAL_STATUS_SUCCESS;
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}
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//*****************************************************************************
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//
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//to do directly receiver test. change channel ranges from 0 to 0x27, return received packets in 100ms.
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//
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//*****************************************************************************
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uint32_t
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am_util_ble_receiver_test_ex(void *pHandle, uint8_t channel, uint32_t *recvpackets)
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{
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am_hal_ble_buffer(16) sWriteCommand;
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am_hal_ble_buffer(16) sResponse;
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am_hal_ble_state_t *pBLE = pHandle;
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uint32_t ui32IntEnable;
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uint32_t ui32Module = pBLE->ui32Module;
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am_hal_ble_sleep_set(pBLE, false);
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sWriteCommand.bytes[0] = 0x01;
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sWriteCommand.bytes[1] = 0x1d;
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sWriteCommand.bytes[2] = 0x20;
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sWriteCommand.bytes[3] = 0x01;
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sWriteCommand.bytes[4] = channel;
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//
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// Temporarily disable BLE interrupts.
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//
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ui32IntEnable = BLEIFn(ui32Module)->INTEN;
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BLEIFn(ui32Module)->INTEN = 0;
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// reserved packet_payload
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am_hal_ble_blocking_hci_write(pBLE,
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AM_HAL_BLE_RAW,
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sWriteCommand.words,
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5);
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BLEIFn(ui32Module)->BLEDBG_b.IOCLKON = 1;
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//
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// Wait for the response.
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//
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while ( BLEIFn(ui32Module)->BSTATUS_b.BLEIRQ == 0 );
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am_hal_ble_blocking_hci_read(pBLE, sResponse.words, 0);
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am_util_delay_ms(100);
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// issue the HCI command with to stop test for the channel 1
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sWriteCommand.bytes[0] = 0x01;
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sWriteCommand.bytes[1] = 0x1f;
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sWriteCommand.bytes[2] = 0x20;
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sWriteCommand.bytes[3] = 0x00;
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// reserved packet_payload
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am_hal_ble_blocking_hci_write(pBLE,
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AM_HAL_BLE_RAW,
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sWriteCommand.words,
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4);
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BLEIFn(ui32Module)->BLEDBG_b.IOCLKON = 1;
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//
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// Wait for the response.
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//
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while ( BLEIFn(ui32Module)->BSTATUS_b.BLEIRQ == 0 );
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am_hal_ble_blocking_hci_read(pBLE, sResponse.words, 0);
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*recvpackets = (sResponse.bytes[8] << 8) + sResponse.bytes[7];
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//
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// Re-enable BLE interrupts.
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//
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BLEIFn(ui32Module)->INTCLR = ui32IntEnable;
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BLEIFn(ui32Module)->INTEN = ui32IntEnable;
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return AM_HAL_STATUS_SUCCESS;
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}
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//*****************************************************************************
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//
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//to directly output carrier wave. change channel ranges from 0 to 0x27.
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//
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//*****************************************************************************
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uint32_t
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am_util_ble_set_carrier_wave_ex(void *pHandle, uint8_t channel)
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{
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am_hal_ble_buffer(16) sWriteCommand;
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am_hal_ble_buffer(16) sResponse;
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am_hal_ble_state_t *pBLE = pHandle;
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uint32_t ui32IntEnable;
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// channel 0xFF to disable the constant transmission
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if ( channel == 0xFF )
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{
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am_util_ble_transmitter_control(pBLE, false);
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return AM_HAL_STATUS_SUCCESS;
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}
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am_hal_ble_sleep_set(pBLE, false);
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uint32_t ui32Module = pBLE->ui32Module;
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// issue the HCI command with to TX carrier wave
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sWriteCommand.bytes[0] = 0x01;
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sWriteCommand.bytes[1] = 0x1E;
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sWriteCommand.bytes[2] = 0x20;
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sWriteCommand.bytes[3] = 0x03;
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sWriteCommand.bytes[4] = channel;
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sWriteCommand.bytes[5] = 0x25;
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sWriteCommand.bytes[6] = 0x00;
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//
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// Temporarily disable BLE interrupts.
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//
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ui32IntEnable = BLEIFn(ui32Module)->INTEN;
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BLEIFn(ui32Module)->INTEN = 0;
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am_hal_ble_blocking_hci_write(pBLE,
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AM_HAL_BLE_RAW,
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sWriteCommand.words,
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7);
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BLEIFn(ui32Module)->BLEDBG_b.IOCLKON = 1;
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//
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// Wait for the response.
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//
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for (uint32_t i = 0; i < 100; i++)
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{
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if (BLEIFn(ui32Module)->BSTATUS_b.BLEIRQ != 0)
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{
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break;
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}
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else if (i == (100 - 1))
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{
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return AM_HAL_BLE_NO_HCI_RESPONSE;
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}
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else
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{
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am_util_delay_ms(1);
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}
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}
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am_hal_ble_blocking_hci_read(pBLE, sResponse.words, 0);
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//
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// Re-enable BLE interrupts.
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//
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BLEIFn(ui32Module)->INTCLR = ui32IntEnable;
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BLEIFn(ui32Module)->INTEN = ui32IntEnable;
|
|
|
|
am_util_ble_transmitter_control(pBLE, true);
|
|
|
|
return AM_HAL_STATUS_SUCCESS;
|
|
}
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Manually enable/disable transmitter to output carrier wave signal
|
|
// set ui8TxChannel as 0 to 0x27 for each transmit channel, 0xFF back to normal modulate mode
|
|
//
|
|
//*****************************************************************************
|
|
uint32_t
|
|
am_util_ble_transmitter_control_ex(void *pHandle, uint8_t ui8TxChannel)
|
|
{
|
|
return am_util_ble_set_carrier_wave_ex(pHandle, ui8TxChannel);
|
|
}
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//to directly output constant modulation signal. change channel from 0 to 0x27.
|
|
//
|
|
//*****************************************************************************
|
|
uint32_t
|
|
am_util_ble_set_constant_transmission_ex(void *pHandle, uint8_t channel)
|
|
{
|
|
am_hal_ble_buffer(16) sWriteCommand;
|
|
am_hal_ble_buffer(16) sResponse;
|
|
am_hal_ble_state_t *pBLE = pHandle;
|
|
uint32_t ui32IntEnable;
|
|
|
|
// channel 0xFF to disable the constant transmission
|
|
if ( channel == 0xFF )
|
|
{
|
|
am_util_ble_set_constant_transmission(pBLE, false);
|
|
return AM_HAL_STATUS_SUCCESS;
|
|
}
|
|
|
|
uint32_t ui32Module = pBLE->ui32Module;
|
|
am_util_ble_set_constant_transmission(pBLE, true);
|
|
|
|
// issue the HCI command with to TX constant transmission
|
|
sWriteCommand.bytes[0] = 0x01;
|
|
sWriteCommand.bytes[1] = 0x1E;
|
|
sWriteCommand.bytes[2] = 0x20;
|
|
sWriteCommand.bytes[3] = 0x03;
|
|
sWriteCommand.bytes[4] = channel;
|
|
sWriteCommand.bytes[5] = 0x25;
|
|
sWriteCommand.bytes[6] = 0x00;
|
|
|
|
//
|
|
// Temporarily disable BLE interrupts.
|
|
//
|
|
ui32IntEnable = BLEIFn(ui32Module)->INTEN;
|
|
BLEIFn(ui32Module)->INTEN = 0;
|
|
|
|
am_hal_ble_blocking_hci_write(pBLE,
|
|
AM_HAL_BLE_RAW,
|
|
sWriteCommand.words,
|
|
7);
|
|
BLEIFn(ui32Module)->BLEDBG_b.IOCLKON = 1;
|
|
|
|
//
|
|
// Wait for the response.
|
|
//
|
|
for (uint32_t i = 0; i < 100; i++)
|
|
{
|
|
if (BLEIFn(ui32Module)->BSTATUS_b.BLEIRQ != 0)
|
|
{
|
|
break;
|
|
}
|
|
else if (i == (100 - 1))
|
|
{
|
|
return AM_HAL_BLE_NO_HCI_RESPONSE;
|
|
}
|
|
else
|
|
{
|
|
am_util_delay_ms(1);
|
|
}
|
|
}
|
|
|
|
am_hal_ble_blocking_hci_read(pBLE, sResponse.words, 0);
|
|
|
|
//
|
|
// Re-enable BLE interrupts.
|
|
//
|
|
BLEIFn(ui32Module)->INTCLR = ui32IntEnable;
|
|
BLEIFn(ui32Module)->INTEN = ui32IntEnable;
|
|
|
|
return AM_HAL_STATUS_SUCCESS;
|
|
}
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// read current modex value from BLEIP
|
|
//*****************************************************************************
|
|
uint32_t
|
|
am_util_ble_read_modex_value(void *pHandle)
|
|
{
|
|
am_hal_ble_state_t *pBLE = pHandle;
|
|
uint32_t temp = 0;
|
|
if (APOLLO3_GE_B0)
|
|
{
|
|
// for B0 Chip,the modex value address is changed to 0x20006874
|
|
am_hal_ble_plf_reg_read(pBLE, 0x20006874, &temp);
|
|
}
|
|
else
|
|
{
|
|
am_hal_ble_plf_reg_read(pBLE, 0x20006070, &temp);
|
|
}
|
|
return temp;
|
|
}
|