Diff: src/vl53l1_wait.c

Revision:

0:3ac96e360672

Child:

7:1add29d51e72

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/vl53l1_wait.c	Fri Nov 06 10:06:37 2020 +0000
@@ -0,0 +1,519 @@
+
+/*******************************************************************************
+ * Copyright (c) 2020, STMicroelectronics - All Rights Reserved
+
+ This file is part of VL53L1 Core and is dual licensed,
+ either 'STMicroelectronics
+ Proprietary license'
+ or 'BSD 3-clause "New" or "Revised" License' , at your option.
+
+********************************************************************************
+
+ 'STMicroelectronics Proprietary license'
+
+********************************************************************************
+
+ License terms: STMicroelectronics Proprietary in accordance with licensing
+ terms at www.st.com/sla0081
+
+ STMicroelectronics confidential
+ Reproduction and Communication of this document is strictly prohibited unless
+ specifically authorized in writing by STMicroelectronics.
+
+
+********************************************************************************
+
+ Alternatively, VL53L1 Core may be distributed under the terms of
+ 'BSD 3-clause "New" or "Revised" License', in which case the following
+ provisions apply instead of the ones
+ mentioned above :
+
+********************************************************************************
+
+ License terms: BSD 3-clause "New" or "Revised" License.
+
+ 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 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 the copyright holder nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "vl53l1_ll_def.h"
+#include "vl53l1_ll_device.h"
+#include "vl53l1_platform.h"
+#include "vl53l1_core.h"
+#include "vl53l1_silicon_core.h"
+#include "vl53l1_wait.h"
+#include "vl53l1_register_settings.h"
+
+
+#define LOG_FUNCTION_START(fmt, ...) \
+	_LOG_FUNCTION_START(VL53L1_TRACE_MODULE_CORE, fmt, ##__VA_ARGS__)
+#define LOG_FUNCTION_END(status, ...) \
+	_LOG_FUNCTION_END(VL53L1_TRACE_MODULE_CORE, status, ##__VA_ARGS__)
+#define LOG_FUNCTION_END_FMT(status, fmt, ...) \
+	_LOG_FUNCTION_END_FMT(VL53L1_TRACE_MODULE_CORE, status, \
+		fmt, ##__VA_ARGS__)
+
+
+VL53L1_Error VL53L1_wait_for_boot_completion(
+	VL53L1_DEV     Dev)
+{
+
+
+
+	VL53L1_Error status = VL53L1_ERROR_NONE;
+	VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev);
+
+	uint8_t      fw_ready  = 0;
+
+	LOG_FUNCTION_START("");
+
+	if (pdev->wait_method == VL53L1_WAIT_METHOD_BLOCKING) {
+
+
+
+		status =
+			VL53L1_poll_for_boot_completion(
+				Dev,
+				VL53L1_BOOT_COMPLETION_POLLING_TIMEOUT_MS);
+
+	} else {
+
+
+
+		fw_ready = 0;
+		while (fw_ready == 0x00 && status == VL53L1_ERROR_NONE) {
+			status = VL53L1_is_boot_complete(
+				Dev,
+				&fw_ready);
+
+			if (status == VL53L1_ERROR_NONE) {
+				status = VL53L1_WaitMs(
+					Dev,
+					VL53L1_POLLING_DELAY_MS);
+			}
+		}
+	}
+
+	LOG_FUNCTION_END(status);
+
+	return status;
+
+}
+
+
+VL53L1_Error VL53L1_wait_for_firmware_ready(
+	VL53L1_DEV     Dev)
+{
+
+
+
+	VL53L1_Error status = VL53L1_ERROR_NONE;
+	VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev);
+
+	uint8_t      fw_ready  = 0;
+	uint8_t      mode_start  = 0;
+
+	LOG_FUNCTION_START("");
+
+
+	mode_start =
+		pdev->sys_ctrl.system__mode_start &
+		VL53L1_DEVICEMEASUREMENTMODE_MODE_MASK;
+
+
+
+	if ((mode_start == VL53L1_DEVICEMEASUREMENTMODE_TIMED) ||
+		(mode_start == VL53L1_DEVICEMEASUREMENTMODE_SINGLESHOT)) {
+
+		if (pdev->wait_method == VL53L1_WAIT_METHOD_BLOCKING) {
+
+
+
+			status =
+			VL53L1_poll_for_firmware_ready(
+				Dev,
+				VL53L1_RANGE_COMPLETION_POLLING_TIMEOUT_MS);
+
+		} else {
+
+
+
+			fw_ready = 0;
+			while (fw_ready == 0x00 && status ==
+					VL53L1_ERROR_NONE) {
+				status = VL53L1_is_firmware_ready(
+					Dev,
+					&fw_ready);
+
+				if (status == VL53L1_ERROR_NONE) {
+					status = VL53L1_WaitMs(
+						Dev,
+						VL53L1_POLLING_DELAY_MS);
+				}
+			}
+		}
+	}
+
+	LOG_FUNCTION_END(status);
+
+	return status;
+}
+
+
+VL53L1_Error VL53L1_wait_for_range_completion(
+	VL53L1_DEV     Dev)
+{
+
+
+
+	VL53L1_Error status = VL53L1_ERROR_NONE;
+	VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev);
+
+	uint8_t      data_ready  = 0;
+
+	LOG_FUNCTION_START("");
+
+	if (pdev->wait_method == VL53L1_WAIT_METHOD_BLOCKING) {
+
+
+
+		status =
+			VL53L1_poll_for_range_completion(
+				Dev,
+				VL53L1_RANGE_COMPLETION_POLLING_TIMEOUT_MS);
+
+	} else {
+
+
+
+		data_ready = 0;
+		while (data_ready == 0x00 && status == VL53L1_ERROR_NONE) {
+			status = VL53L1_is_new_data_ready(
+				Dev,
+				&data_ready);
+
+			if (status == VL53L1_ERROR_NONE) {
+				status = VL53L1_WaitMs(
+					Dev,
+					VL53L1_POLLING_DELAY_MS);
+			}
+		}
+	}
+
+	LOG_FUNCTION_END(status);
+
+	return status;
+}
+
+
+VL53L1_Error VL53L1_wait_for_test_completion(
+	VL53L1_DEV     Dev)
+{
+
+
+
+	VL53L1_Error status = VL53L1_ERROR_NONE;
+	VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev);
+
+	uint8_t      data_ready  = 0;
+
+	LOG_FUNCTION_START("");
+
+	if (pdev->wait_method == VL53L1_WAIT_METHOD_BLOCKING) {
+
+
+
+		status =
+			VL53L1_poll_for_range_completion(
+				Dev,
+				VL53L1_TEST_COMPLETION_POLLING_TIMEOUT_MS);
+
+	} else {
+
+
+
+		data_ready = 0;
+		while (data_ready == 0x00 && status == VL53L1_ERROR_NONE) {
+			status = VL53L1_is_new_data_ready(
+				Dev,
+				&data_ready);
+
+			if (status == VL53L1_ERROR_NONE) {
+				status = VL53L1_WaitMs(
+					Dev,
+					VL53L1_POLLING_DELAY_MS);
+			}
+		}
+	}
+
+	LOG_FUNCTION_END(status);
+
+	return status;
+}
+
+
+
+
+VL53L1_Error VL53L1_is_boot_complete(
+	VL53L1_DEV     Dev,
+	uint8_t       *pready)
+{
+
+
+	VL53L1_Error status = VL53L1_ERROR_NONE;
+	uint8_t  firmware__system_status = 0;
+
+	LOG_FUNCTION_START("");
+
+
+
+	status =
+		VL53L1_RdByte(
+			Dev,
+			VL53L1_FIRMWARE__SYSTEM_STATUS,
+			&firmware__system_status);
+
+
+
+	if ((firmware__system_status & 0x01) == 0x01) {
+		*pready = 0x01;
+		VL53L1_init_ll_driver_state(
+			Dev,
+			VL53L1_DEVICESTATE_SW_STANDBY);
+	} else {
+		*pready = 0x00;
+		VL53L1_init_ll_driver_state(
+			Dev,
+			VL53L1_DEVICESTATE_FW_COLDBOOT);
+	}
+
+	LOG_FUNCTION_END(status);
+
+	return status;
+}
+
+
+VL53L1_Error VL53L1_is_firmware_ready(
+	VL53L1_DEV     Dev,
+	uint8_t       *pready)
+{
+
+
+	VL53L1_Error status = VL53L1_ERROR_NONE;
+	VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev);
+
+	LOG_FUNCTION_START("");
+
+	status = VL53L1_is_firmware_ready_silicon(
+				Dev,
+				pready);
+
+	pdev->fw_ready = *pready;
+
+	LOG_FUNCTION_END(status);
+
+	return status;
+}
+
+
+VL53L1_Error VL53L1_is_new_data_ready(
+	VL53L1_DEV     Dev,
+	uint8_t       *pready)
+{
+
+
+	VL53L1_Error status = VL53L1_ERROR_NONE;
+	VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev);
+
+	uint8_t  gpio__mux_active_high_hv = 0;
+	uint8_t  gpio__tio_hv_status      = 0;
+	uint8_t  interrupt_ready          = 0;
+
+	LOG_FUNCTION_START("");
+
+	gpio__mux_active_high_hv =
+			pdev->stat_cfg.gpio_hv_mux__ctrl &
+			VL53L1_DEVICEINTERRUPTLEVEL_ACTIVE_MASK;
+
+	if (gpio__mux_active_high_hv == VL53L1_DEVICEINTERRUPTLEVEL_ACTIVE_HIGH)
+		interrupt_ready = 0x01;
+	else
+		interrupt_ready = 0x00;
+
+
+
+	status = VL53L1_RdByte(
+					Dev,
+					VL53L1_GPIO__TIO_HV_STATUS,
+					&gpio__tio_hv_status);
+
+
+
+	if ((gpio__tio_hv_status & 0x01) == interrupt_ready)
+		*pready = 0x01;
+	else
+		*pready = 0x00;
+
+	LOG_FUNCTION_END(status);
+
+	return status;
+}
+
+
+
+
+VL53L1_Error VL53L1_poll_for_boot_completion(
+	VL53L1_DEV    Dev,
+	uint32_t      timeout_ms)
+{
+
+
+	VL53L1_Error status       = VL53L1_ERROR_NONE;
+
+	LOG_FUNCTION_START("");
+
+
+
+	status = VL53L1_WaitUs(
+			Dev,
+			VL53L1_FIRMWARE_BOOT_TIME_US);
+
+	if (status == VL53L1_ERROR_NONE)
+		status =
+			VL53L1_WaitValueMaskEx(
+				Dev,
+				timeout_ms,
+				VL53L1_FIRMWARE__SYSTEM_STATUS,
+				0x01,
+				0x01,
+				VL53L1_POLLING_DELAY_MS);
+
+	if (status == VL53L1_ERROR_NONE)
+		VL53L1_init_ll_driver_state(Dev, VL53L1_DEVICESTATE_SW_STANDBY);
+
+	LOG_FUNCTION_END(status);
+
+	return status;
+}
+
+
+VL53L1_Error VL53L1_poll_for_firmware_ready(
+	VL53L1_DEV    Dev,
+	uint32_t      timeout_ms)
+{
+
+
+	VL53L1_Error status          = VL53L1_ERROR_NONE;
+	VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev);
+
+	uint32_t     start_time_ms   = 0;
+	uint32_t     current_time_ms = 0;
+	int32_t      poll_delay_ms   = VL53L1_POLLING_DELAY_MS;
+	uint8_t      fw_ready        = 0;
+
+
+
+	VL53L1_GetTickCount(&start_time_ms);
+	pdev->fw_ready_poll_duration_ms = 0;
+
+
+
+	while ((status == VL53L1_ERROR_NONE) &&
+		   (pdev->fw_ready_poll_duration_ms < timeout_ms) &&
+		   (fw_ready == 0)) {
+
+		status = VL53L1_is_firmware_ready(
+			Dev,
+			&fw_ready);
+
+		if (status == VL53L1_ERROR_NONE &&
+			fw_ready == 0 &&
+			poll_delay_ms > 0) {
+			status = VL53L1_WaitMs(
+				Dev,
+				poll_delay_ms);
+		}
+
+
+		VL53L1_GetTickCount(&current_time_ms);
+		pdev->fw_ready_poll_duration_ms =
+				current_time_ms - start_time_ms;
+	}
+
+	if (fw_ready == 0 && status == VL53L1_ERROR_NONE)
+		status = VL53L1_ERROR_TIME_OUT;
+
+	LOG_FUNCTION_END(status);
+
+	return status;
+}
+
+
+VL53L1_Error VL53L1_poll_for_range_completion(
+	VL53L1_DEV     Dev,
+	uint32_t       timeout_ms)
+{
+
+
+	VL53L1_Error status = VL53L1_ERROR_NONE;
+	VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev);
+
+	uint8_t  gpio__mux_active_high_hv = 0;
+	uint8_t  interrupt_ready          = 0;
+
+	LOG_FUNCTION_START("");
+
+	gpio__mux_active_high_hv =
+			pdev->stat_cfg.gpio_hv_mux__ctrl &
+			VL53L1_DEVICEINTERRUPTLEVEL_ACTIVE_MASK;
+
+	if (gpio__mux_active_high_hv == VL53L1_DEVICEINTERRUPTLEVEL_ACTIVE_HIGH)
+		interrupt_ready = 0x01;
+	else
+		interrupt_ready = 0x00;
+
+	status =
+		VL53L1_WaitValueMaskEx(
+			Dev,
+			timeout_ms,
+			VL53L1_GPIO__TIO_HV_STATUS,
+			interrupt_ready,
+			0x01,
+			VL53L1_POLLING_DELAY_MS);
+
+	LOG_FUNCTION_END(status);
+	return status;
+}
+
+
+