rt-thread/bsp/allwinner/libraries/sunxi-hal/include/hal/sunxi_hal_ir.h

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/*
* ===========================================================================================
*
* Filename: sunxi_hal_spi.h
*
* Description: SPI HAL definition.
*
* Version: Melis3.0
* Create: 2020-04-08 11:11:56
* Revision: none
* Compiler: GCC:version 9.2.1
*
* Author: bantao@allwinnertech.com
* Organization: SWC-BPD
* Last Modified: 2020-04-08 16:02:11
*
* ===========================================================================================
*/
#ifndef SUNXI_IR_RX_H
#define SUNXI_IR_RX_H
#ifdef __cplusplus
extern "C"
{
#endif
#include "sunxi_hal_common.h"
#include <hal_gpio.h>
#include <hal_sem.h>
#include <hal_clk.h>
#define SUNXI_IRADC_PBASE 0X07040000 /* 0x34 */
#define SUNXI_IRQ_IRADC 155
#define IRADC_PIN GPIO_PH0
#define IR_MUXSEL 4
#define IR_DRVSEL 2
/* Registers */
#define IR_CTRL_REG (0x00) /* IR Control */
#define IR_RXCFG_REG (0x10) /* Rx Config */
#define IR_RXDAT_REG (0x20) /* Rx Data */
#define IR_RXINTE_REG (0x2C) /* Rx Interrupt Enable */
#define IR_RXINTS_REG (0x30) /* Rx Interrupt Status */
#define IR_SPLCFG_REG (0x34) /* IR Sample Config */
#define IR_FIFO_SIZE (64) /* 64Bytes */
#define IR_SIMPLE_UNIT (21000) /* simple in ns */
#define IR_CLK (24000000) /* 24Mhz */
#define IR_SAMPLE_DEV (0x3<<0) /* 24MHz/512 =46875Hz (~21us) */
/* Active Threshold (0+1)*128clock*21us = 2.6ms */
#define IR_ACTIVE_T ((0&0xff)<<16)
/* Filter Threshold = 16*21us = 336us < 500us */
#define IR_RXFILT_VAL (((16)&0x3f)<<2)
/* Filter Threshold = 22*21us = 336us < 500us */
#define IR_RXFILT_VAL_RC5 (((22)&0x3f)<<2)
/* Idle Threshold = (5+1)*128clock*21us = 16ms > 9ms */
#define IR_RXIDLE_VAL (((5)&0xff)<<8)
/* Active Threshold (0+1)*128clock*21us = 2.6ms */
#define IR_ACTIVE_T_SAMPLE ((16&0xff)<<16)
#define IR_ACTIVE_T_C (1<<23) /* Active Threshold */
#define IR_CIR_MODE (0x3<<4) /* CIR mode enable */
#define IR_ENTIRE_ENABLE (0x3<<0) /* IR entire enable */
#define IR_FIFO_20 (((20)-1)<<8)
#define IR_IRQ_STATUS ((0x1<<4)|0x3)
#define IR_BOTH_PULSE (0x1 << 6)
#define IR_LOW_PULSE (0x2 << 6)
#define IR_HIGH_PULSE (0x3 << 6)
/*Bit Definition of IR_RXINTS_REG Register*/
#define IR_RXINTS_RXOF (0x1<<0) /* Rx FIFO Overflow */
#define IR_RXINTS_RXPE (0x1<<1) /* Rx Packet End */
#define IR_RXINTS_RXDA (0x1<<4) /* Rx FIFO Data Available */
enum ir_mode {
CIR_MODE_ENABLE,
IR_MODULE_ENABLE,
IR_BOTH_PULSE_MODE, /* new feature to avoid noisy */
IR_LOW_PULSE_MODE,
IR_HIGH_PULSE_MODE,
};
enum ir_sample_config {
IR_SAMPLE_REG_CLEAR,
IR_CLK_SAMPLE,
IR_FILTER_TH_NEC,
IR_FILTER_TH_RC5,
IR_IDLE_TH,
IR_ACTIVE_TH,
IR_ACTIVE_TH_SAMPLE,
};
enum ir_irq_config {
IR_IRQ_STATUS_CLEAR,
IR_IRQ_ENABLE,
IR_IRQ_FIFO_SIZE,
};
typedef enum
{
IR_PIN_ERR = -3,
IR_CLK_ERR = -2,
IR_IRQ_ERR = -1,
IR_OK = 0,
} hal_ir_status_t;
typedef int (*ir_callback_t)(uint32_t data_type, uint32_t data);
typedef struct sunxi_ir
{
uint16_t irq_num;
uint32_t reg_base;
gpio_pin_t pin;
uint8_t pin_mux;
uint8_t pin_drv;
ir_callback_t callback;
} hal_ir_t;
int hal_ir_register_callback(ir_callback_t callback);
int hal_ir_init(void);
#ifdef __cplusplus
}
#endif
#endif