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pulse_cnt: new driver for PCNT peripheral

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This commit is contained in:
morris
2022-03-03 22:38:32 +08:00
parent 6e405cc209
commit ec8defaa96
36 changed files with 1829 additions and 375 deletions
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components/soc/esp32/include/soc/pcnt_reg.h
+8 -21
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@@ -1,21 +1,13 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _SOC_PCNT_REG_H_
#define _SOC_PCNT_REG_H_
#include <stdint.h>
#include "soc/soc.h"
#include "soc.h"
#define PCNT_U0_CONF0_REG (DR_REG_PCNT_BASE + 0x0000)
/* PCNT_CH1_LCTRL_MODE_U0 : R/W ;bitpos:[31:30] ;default: 2'd0 ; */
/*description: This register is used to control the mode of channel1's low control
@@ -1517,8 +1509,3 @@
#define PCNT_DATE_M ((PCNT_DATE_V)<<(PCNT_DATE_S))
#define PCNT_DATE_V 0xFFFFFFFF
#define PCNT_DATE_S 0
#endif /*_SOC_PCNT_REG_H_ */
components/soc/esp32/include/soc/pcnt_struct.h
+28 -38
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@@ -1,18 +1,9 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _SOC_PCNT_STRUCT_H_
#define _SOC_PCNT_STRUCT_H_
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdint.h>
@@ -20,8 +11,8 @@
extern "C" {
#endif
typedef volatile struct pcnt_dev_s {
struct {
typedef struct pcnt_dev_t {
volatile struct {
union {
struct {
uint32_t filter_thres: 10; /*This register is used to filter pulse whose width is smaller than this value for unit0.*/
@@ -44,27 +35,27 @@ typedef volatile struct pcnt_dev_s {
} conf0;
union {
struct {
uint32_t cnt_thres0:16; /*This register is used to configure thres0 value for unit0.*/
uint32_t cnt_thres1:16; /*This register is used to configure thres1 value for unit0.*/
uint32_t cnt_thres0: 16; /*This register is used to configure thres0 value for unit0.*/
uint32_t cnt_thres1: 16; /*This register is used to configure thres1 value for unit0.*/
};
uint32_t val;
} conf1;
union {
struct {
uint32_t cnt_h_lim:16; /*This register is used to configure thr_h_lim value for unit0.*/
uint32_t cnt_l_lim:16; /*This register is used to configure thr_l_lim value for unit0.*/
uint32_t cnt_h_lim: 16; /*This register is used to configure thr_h_lim value for unit0.*/
uint32_t cnt_l_lim: 16; /*This register is used to configure thr_l_lim value for unit0.*/
};
uint32_t val;
} conf2;
} conf_unit[8];
union {
volatile union {
struct {
uint32_t cnt_val : 16; /*This register stores the current pulse count value for unit0.*/
uint32_t reserved16: 16;
};
uint32_t val;
} cnt_unit[8];
union {
volatile union {
struct {
uint32_t cnt_thr_event_u0: 1; /*This is the interrupt raw bit for channel0 event.*/
uint32_t cnt_thr_event_u1: 1; /*This is the interrupt raw bit for channel1 event.*/
@@ -78,7 +69,7 @@ typedef volatile struct pcnt_dev_s {
};
uint32_t val;
} int_raw;
union {
volatile union {
struct {
uint32_t cnt_thr_event_u0: 1; /*This is the interrupt status bit for channel0 event.*/
uint32_t cnt_thr_event_u1: 1; /*This is the interrupt status bit for channel1 event.*/
@@ -92,7 +83,7 @@ typedef volatile struct pcnt_dev_s {
};
uint32_t val;
} int_st;
union {
volatile union {
struct {
uint32_t cnt_thr_event_u0: 1; /*This is the interrupt enable bit for channel0 event.*/
uint32_t cnt_thr_event_u1: 1; /*This is the interrupt enable bit for channel1 event.*/
@@ -106,7 +97,7 @@ typedef volatile struct pcnt_dev_s {
};
uint32_t val;
} int_ena;
union {
volatile union {
struct {
uint32_t cnt_thr_event_u0: 1; /*Set this bit to clear channel0 event interrupt.*/
uint32_t cnt_thr_event_u1: 1; /*Set this bit to clear channel1 event interrupt.*/
@@ -120,19 +111,19 @@ typedef volatile struct pcnt_dev_s {
};
uint32_t val;
} int_clr;
union {
volatile union {
struct {
uint32_t cnt_mode:2; /*0: positive value to zero; 1: negative value to zero; 2: counter value negative ; 3: counter value positive*/
uint32_t thres1_lat:1; /* counter value equals to thresh1*/
uint32_t thres0_lat:1; /* counter value equals to thresh0*/
uint32_t l_lim_lat:1; /* counter value reaches h_lim*/
uint32_t h_lim_lat:1; /* counter value reaches l_lim*/
uint32_t zero_lat:1; /* counter value equals zero*/
uint32_t reserved7:25;
uint32_t cnt_mode: 2; /*0: positive value to zero; 1: negative value to zero; 2: counter value negative ; 3: counter value positive*/
uint32_t thres1_lat: 1; /* counter value equals to thresh1*/
uint32_t thres0_lat: 1; /* counter value equals to thresh0*/
uint32_t l_lim_lat: 1; /* counter value reaches h_lim*/
uint32_t h_lim_lat: 1; /* counter value reaches l_lim*/
uint32_t zero_lat: 1; /* counter value equals zero*/
uint32_t reserved7: 25;
};
uint32_t val;
} status_unit[8];
union {
volatile union {
struct {
uint32_t cnt_rst_u0: 1; /*Set this bit to clear unit0's counter.*/
uint32_t cnt_pause_u0: 1; /*Set this bit to pause unit0's counter.*/
@@ -173,12 +164,11 @@ typedef volatile struct pcnt_dev_s {
uint32_t reserved_f0;
uint32_t reserved_f4;
uint32_t reserved_f8;
uint32_t date; /**/
volatile uint32_t date;
} pcnt_dev_t;
extern pcnt_dev_t PCNT;
#ifdef __cplusplus
}
#endif
#endif /* _SOC_PCNT_STRUCT_H_ */
components/soc/esp32/pcnt_periph.c
+5 -13
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@@ -1,16 +1,8 @@
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "soc/pcnt_periph.h"
#include "soc/gpio_sig_map.h"
components/soc/esp32s2/include/soc/pcnt_reg.h
+3 -12
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@@ -1,16 +1,7 @@
/** Copyright 2021 Espressif Systems (Shanghai) PTE LTD
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
components/soc/esp32s2/include/soc/pcnt_struct.h
+4 -13
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@@ -1,16 +1,7 @@
/** Copyright 2021 Espressif Systems (Shanghai) PTE LTD
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
@@ -388,7 +379,7 @@ typedef union {
} pcnt_date_reg_t;
typedef struct {
typedef struct pcnt_dev_t {
volatile struct {
pcnt_un_conf0_reg_t conf0;
pcnt_un_conf1_reg_t conf1;
components/soc/esp32s2/pcnt_periph.c
+5 -13
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@@ -1,16 +1,8 @@
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "soc/pcnt_periph.h"
#include "soc/gpio_sig_map.h"
components/soc/esp32s3/include/soc/pcnt_caps.h
-26
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@@ -1,26 +0,0 @@
// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#define SOC_PCNT_PORT_NUM (1)
#define SOC_PCNT_UNIT_NUM (4)
#ifdef __cplusplus
}
#endif
components/soc/esp32s3/include/soc/pcnt_reg.h
+3 -12
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@@ -1,16 +1,7 @@
/** Copyright 2021 Espressif Systems (Shanghai) PTE LTD
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
components/soc/esp32s3/include/soc/pcnt_struct.h
+4 -13
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@@ -1,16 +1,7 @@
/** Copyright 2021 Espressif Systems (Shanghai) PTE LTD
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
@@ -388,7 +379,7 @@ typedef union {
} pcnt_date_reg_t;
typedef struct {
typedef struct pcnt_dev_t {
volatile struct {
pcnt_un_conf0_reg_t conf0;
pcnt_un_conf1_reg_t conf1;
components/soc/esp32s3/pcnt_periph.c
+5 -13
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@@ -1,16 +1,8 @@
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "soc/pcnt_periph.h"
#include "soc/gpio_sig_map.h"
components/soc/include/soc/pcnt_periph.h
+5 -13
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@@ -1,16 +1,8 @@
// Copyright 2019-2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
* SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once