mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
0ad3017df7
1. move btif and A2DP source code from project directory to bluetooth directory; 2. some updates of audio source code;
513 lines
13 KiB
C
513 lines
13 KiB
C
// 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 _DRIVER_SPI_H_
|
|
#define _DRIVER_SPI_H_
|
|
#include "soc/dport_reg.h"
|
|
#include "spi.h"
|
|
#include "soc/spi_reg.h"
|
|
#include <esp_types.h>
|
|
#include "dma.h"
|
|
#include "esp_err.h"
|
|
|
|
#define ETS_SPI_INUM 8
|
|
#define ETS_HSIP_INUM 8
|
|
#define ETS_I2S_INUM 9
|
|
#define ETS_RTC_INUM 9
|
|
#define ETS_RMT_CTRL_INUM 9
|
|
#define ETS_GPIO_INUM 18
|
|
#define ETS_MAX_INUM 16
|
|
#define ETS_I2C0_INUM 17
|
|
//#define ETS_I2S0_INUM 17
|
|
#define ETS_SPI1_INUM 17
|
|
#define ETS_SPI2_INUM 17
|
|
#define ETS_SPI3_INUM 17
|
|
#define ETS_PCNT_INUM 17
|
|
#define ETS_LEDC_INUM 18
|
|
|
|
|
|
#define ESP_SPI1_INTR_ENABLE() \
|
|
ESP_INTR_ENABLE(ETS_SPI1_INUM)
|
|
|
|
#define ESP_SPI1_INTR_DISABLE() \
|
|
ESP_INTR_DISABLE(ETS_SPI1_INUM)
|
|
|
|
#define ESP_SPI2_INTR_ENABLE() \
|
|
ESP_INTR_ENABLE(ETS_SPI2_INUM)
|
|
|
|
#define ESP_SPI2_INTR_DISABLE() \
|
|
ESP_INTR_DISABLE(ETS_SPI2_INUM)
|
|
|
|
#define ESP_SPI3_INTR_ENABLE() \
|
|
ESP_INTR_ENABLE(ETS_SPI3_INUM)
|
|
|
|
#define ESP_SPI3_INTR_DISABLE() \
|
|
ESP_INTR_DISABLE(ETS_SPI3_INUM)
|
|
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Make sure all of the definitions in this header have a C binding.
|
|
//
|
|
//*****************************************************************************
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
/**
|
|
* @brief Support SPI1/SPI2/SPI3 module.
|
|
*
|
|
*/
|
|
typedef enum {
|
|
SPI_NUM_SPI1 = 0x1,
|
|
SPI_NUM_SPI2 = 0x2,
|
|
SPI_NUM_SPI3 = 0x3,
|
|
SPI_NUM_MAX = SPI_NUM_SPI3,
|
|
} spi_num_t;
|
|
|
|
/**
|
|
* @brief The SPI module can work in either master or slave mode.
|
|
*
|
|
*/
|
|
typedef enum {
|
|
SPI_MODE_MASTER = 0,
|
|
SPI_MODE_SLAVE = 1,
|
|
} spi_mode_t;
|
|
|
|
/**
|
|
* @brief SPI sub mode
|
|
*
|
|
* Support 4 sub modes based on SPI clock polarity and phase.
|
|
* SPI_CPOL SPI_CPHA SubMode
|
|
* 0 0 0
|
|
* 0 1 1
|
|
* 1 0 2
|
|
* 1 1 3
|
|
*/
|
|
typedef enum {
|
|
SPI_SUBMODE_0 = 0,
|
|
SPI_SUBMODE_1 = 1,
|
|
SPI_SUBMODE_2 = 2,
|
|
SPI_SUBMODE_3 = 3,
|
|
} spi_sub_mode_t;
|
|
|
|
/**
|
|
* @brief The SPI module working speed.
|
|
*
|
|
* @attention Max speed 80MHz
|
|
*
|
|
*/
|
|
typedef enum {
|
|
SPI_SPEED_2MHZ = 40,
|
|
SPI_SPEED_5MHZ = 16,
|
|
SPI_SPEED_8MHZ = 10,
|
|
SPI_SPEED_10MHZ = 8,
|
|
SPI_SPEED_16MHZ = 5,
|
|
SPI_SPEED_20MHZ = 4,
|
|
} spi_speed_t;
|
|
|
|
/**
|
|
* @brief The SPI mode working speed.
|
|
*
|
|
*/
|
|
typedef enum {
|
|
SPI_BIT_ORDER_MSB_FIRST = 0,
|
|
SPI_BIT_ORDER_LSB_FIRST = 1,
|
|
} spi_bit_order_t;
|
|
|
|
// @brief SPI interrupt source defined.
|
|
typedef enum {
|
|
SPI_INT_SRC_TRANS_DONE = SPI_TRANS_DONE,
|
|
SPI_INT_SRC_WR_STA_DONE = SPI_SLV_WR_STA_DONE,
|
|
SPI_INT_SRC_RD_STA_DONE = SPI_SLV_RD_STA_DONE,
|
|
SPI_INT_SRC_WR_BUF_DONE = SPI_SLV_WR_BUF_DONE,
|
|
SPI_INT_SRC_RD_BUF_DONE = SPI_SLV_RD_BUF_DONE,
|
|
SPI_INT_SRC_ONE_BUF_RECV_DONE = SPI_IN_SUC_EOF_INT_ENA,
|
|
SPI_INT_SRC_ONE_BUF_SEND_DONE = SPI_OUT_EOF_INT_ENA,
|
|
} spi_int_src_t;
|
|
|
|
/**
|
|
* @brief The SPI mode working speed.
|
|
*
|
|
*/
|
|
typedef enum {
|
|
SPI_WORK_MODE_HALF = 0,
|
|
SPI_WORK_MODE_FULL = 1,
|
|
} spi_work_mode_t;
|
|
|
|
/**
|
|
* @brief The SPI DMA channels.
|
|
*
|
|
*/
|
|
typedef enum {
|
|
SPI_DMA_CHANNEL_0 = 1,
|
|
SPI_DMA_CHANNEL_1 = 2,
|
|
} spi_dma_channel_t;
|
|
|
|
/**
|
|
* @brief The SPI dma direction.
|
|
*
|
|
*/
|
|
typedef enum {
|
|
SPI_DMA_DIR_IN = 1,
|
|
SPI_DMA_DIR_OUT = 2,
|
|
} spi_dma_dir_t;
|
|
|
|
#pragma pack(1)
|
|
/**
|
|
* @brief SPI attribute
|
|
*/
|
|
typedef struct {
|
|
spi_mode_t mode; ///< Master or slave mode
|
|
spi_sub_mode_t sub_mode; ///< SPI SPI_CPOL SPI_CPHA mode
|
|
spi_speed_t speed; ///< SPI Clock
|
|
spi_bit_order_t bit_order; ///< SPI bit order
|
|
spi_work_mode_t half_mode; ///< Half or Full work mode
|
|
} spi_attr_t;
|
|
|
|
/**
|
|
* @brief SPI attribute
|
|
*/
|
|
typedef struct {
|
|
uint16_t cmd; ///< Command value
|
|
uint8_t cmd_len; ///< Command byte length
|
|
uint32_t *addr; ///< Point to address value
|
|
uint8_t addr_len; ///< Address byte length
|
|
uint32_t *tx_data; ///< Point to send data buffer
|
|
uint8_t tx_data_len; ///< Send data byte length.
|
|
uint32_t *rx_data; ///< Point to recevie data buffer
|
|
uint8_t rx_data_len; ///< Recevie Data byte length.
|
|
} spi_data_t;
|
|
|
|
// SPI DMA attribite
|
|
typedef struct {
|
|
spi_num_t spi_num; ///< Spi number
|
|
uint32_t mode; ///< Spi work mode
|
|
uint32_t buf_size; ///< Size of buffer
|
|
spi_dma_dir_t dir; ///< Direction of data,in or out.
|
|
spi_dma_channel_t channel; ///< Channel of DMA
|
|
ping_pong_buf_t *buf; ///< Buffer address
|
|
} spi_dma_attr_t;
|
|
#pragma pack()
|
|
|
|
/**
|
|
* @brief Get SPI ping buffer address.
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return uint32_t*, NULL:indicates parameter error, others indicates ping buffer address.
|
|
*/
|
|
uint32_t* spi_dma_ping_buf_get(spi_dma_attr_t *obj);
|
|
|
|
/**
|
|
* @brief Get SPI pong buffer address.
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return uint32_t*, NULL:indicates parameter error, others indicates pong buffer address.
|
|
*/
|
|
uint32_t* spi_dma_pong_buf_get(spi_dma_attr_t *obj);
|
|
|
|
/**
|
|
* @brief Get without working ping-pong buffer address.
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return uint32_t*, NULL:indicates parameter error, others indicates not working buffer address.
|
|
*/
|
|
uint32_t* spi_dma_status_get(spi_dma_attr_t *obj);
|
|
|
|
/**
|
|
* @brief Configrate the Ping-Pong buffer to the destination
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return None.
|
|
*/
|
|
int32_t spi_dma_memcpy(spi_dma_attr_t *obj, void *src, uint32_t len);
|
|
|
|
/**
|
|
* @brief Configrate the Ping-Pong buffer to the destination
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void spi_dma_dest_add_set(spi_dma_attr_t *obj);
|
|
|
|
/**
|
|
* @brief Reset the SPI DMA instance
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
* @param [in] isr
|
|
* Indicates which function to be called, when interrupt hanpened.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void spi_dma_rest(spi_dma_attr_t *obj);
|
|
|
|
/**
|
|
* @brief Initialize DMA and create a SPI DMA instance
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
* @param [in] isr
|
|
* Indicates which function to be called, when interrupt hanpened.
|
|
*
|
|
* @return -1:indicates parameter error, -2: DMA buffer init failure, others indicates success.
|
|
*/
|
|
int spi_dma_init(spi_dma_attr_t *obj, void *isr);
|
|
|
|
/**
|
|
* @brief Destroy the SPI DMA instance
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return int, -1:indicates parameter error, others indicates success.
|
|
*/
|
|
int spi_dma_uninit(spi_dma_attr_t *obj);
|
|
|
|
/**
|
|
* @brief Configrate the Ping-Pong buffer to the destination
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void spi_dma_int_enable(spi_num_t spiNum, spi_int_src_t intSrc);
|
|
|
|
/**
|
|
* @brief Configrate the Ping-Pong buffer to the destination
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void spi_dma_int_disable(spi_num_t spiNum, spi_int_src_t intSrc);
|
|
|
|
/**
|
|
* @brief Configrate the Ping-Pong buffer to the destination
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void spi_dma_int_clear(spi_num_t spiNum);
|
|
|
|
/**
|
|
* @brief Configrate the Ping-Pong buffer to the destination
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return None.
|
|
*/
|
|
int32_t spi_dma_int_status_get(spi_num_t spiNum);
|
|
|
|
/**
|
|
* @brief Start e SPI DMA instance
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
* @param [in] len
|
|
* Indicates how many data to be called.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void spi_dma_start(spi_dma_attr_t *obj, uint32_t len);
|
|
|
|
/**
|
|
* @brief Stop the SPI DMA transmit
|
|
*
|
|
* @param [in] obj
|
|
* Pointer to a struct spi_dma_attr_t that indicates SPI DMA working attribution.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void spi_dma_stop(spi_dma_attr_t *obj);
|
|
|
|
/**
|
|
* @brief Initialize SPI module.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
* @param [in] pAttr
|
|
* Pointer to a struct spi_attr_t that indicates SPI working attribution.
|
|
*
|
|
* @return void.
|
|
*/
|
|
void spi_init(spi_num_t spiNum, spi_attr_t* pAttr);
|
|
|
|
/**
|
|
* @brief Set slave address value by master.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
* @param [in] addr
|
|
* Slave address to be set.
|
|
*
|
|
* @return void.
|
|
*/
|
|
void spi_master_cfg_addr(spi_num_t spiNum, uint32_t addr);
|
|
|
|
/**
|
|
* @brief Set command value by master.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
* @param [in] cmd
|
|
* Command will be send to slave.
|
|
*
|
|
* @return void.
|
|
*/
|
|
void spi_master_cfg_cmd(spi_num_t spiNum, uint32_t cmd);
|
|
|
|
/**
|
|
* @brief Send data to slave from master.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
* @param [in] pInData
|
|
* Pointer to a spi_data_t strcuture that indicates data, address and command will be send.
|
|
*
|
|
* @return int, -1:indicates failure,others indicates success.
|
|
*/
|
|
int spi_master_send_data(spi_num_t spiNum, spi_data_t* pInData);
|
|
|
|
/**
|
|
* @brief Receive data from slave by master.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
* @param [in] pOutData
|
|
* Point to data buffer.
|
|
*
|
|
* @return int, -1:indicates failure,others indicates success.
|
|
*
|
|
*/
|
|
int spi_master_recv_data(spi_num_t spiNum, spi_data_t* pData);
|
|
|
|
/**
|
|
* @brief Load data to slave send buffer.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
* @param [in] pOutData
|
|
* Point to data buffer.
|
|
* @param [in] outLen
|
|
* The number of bytes to be set.
|
|
*
|
|
* @return int, -1:indicates failure,others indicates success.
|
|
*/
|
|
int spi_slave_send_data(spi_num_t spiNum, uint32_t *pOutData, uint8_t outLen);
|
|
|
|
/**
|
|
* @brief Receive data by slave.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
* @param [in] isrFunc
|
|
* isrFunc is a pointer to the function to be called when the SPI interrupt occurs.
|
|
*
|
|
* @return int, -1:indicates failure,others indicates success.
|
|
*/
|
|
int spi_slave_recv_data(spi_num_t spiNum, void(*isrFunc)(void*));
|
|
|
|
/**
|
|
* @brief Set slave status by master.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
*
|
|
* @param [in] data
|
|
* Data will be write to slave SPI_WR_STATUS.
|
|
*
|
|
* @return void.
|
|
*/
|
|
void spi_master_send_status(spi_num_t spiNum, uint8_t data);
|
|
|
|
/**
|
|
* @brief Get salve status by master.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
*
|
|
* @return int, -1: indicates failure; other value in slave status.
|
|
*/
|
|
int spi_master_recv_status(spi_num_t spiNum);
|
|
|
|
/**
|
|
* @brief Enable SPI module interrupt source.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
*
|
|
* @param [in] intSrc
|
|
* Indicates which interrupt source to enable.
|
|
*
|
|
* @return void.
|
|
*/
|
|
void spi_int_enable(spi_num_t spiNum, spi_int_src_t intSrc);
|
|
|
|
/**
|
|
* @brief Disable SPI module interrupt source.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
*
|
|
* @param [in] intSrc
|
|
* Indicates which interrupt source to disable.
|
|
*
|
|
* @return void.
|
|
*/
|
|
void spi_int_disable(spi_num_t spiNum, spi_int_src_t intSrc);
|
|
|
|
/**
|
|
* @brief Clear all of spi interrupt.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
*
|
|
* @return void.
|
|
*/
|
|
void spi_int_clear(spi_num_t spiNum);
|
|
|
|
/**
|
|
* @brief Get the spi interrupt status.
|
|
*
|
|
* @param [in] spiNum
|
|
* Indicates which submode to be used.
|
|
*
|
|
* @return void.
|
|
*/
|
|
int32_t spi_int_status_get(spi_num_t spiNum);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // __SPI_H__
|