526 lines
16 KiB
C
526 lines
16 KiB
C
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/*
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* wiringPi.h:
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* Arduino like Wiring library for the Raspberry Pi.
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* Copyright (c) 2012-2017 Gordon Henderson
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***********************************************************************
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* This file is part of wiringPi:
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* https://projects.drogon.net/raspberry-pi/wiringpi/
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*
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* wiringPi is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* wiringPi is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
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***********************************************************************
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*/
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#ifndef __WIRING_PI_H__
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#define __WIRING_PI_H__
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// C doesn't have true/false by default and I can never remember which
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// way round they are, so ...
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// (and yes, I know about stdbool.h but I like capitals for these and I'm old)
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#ifndef TRUE
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# define TRUE (1==1)
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# define FALSE (!TRUE)
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#endif
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// GCC warning suppressor
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#define UNU __attribute__((unused))
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#define MAX_PIN_NUM (0x40)
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#define PI_MODEL_A 0
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#define PI_MODEL_B 1
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#define PI_MODEL_AP 2
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#define PI_MODEL_BP 3
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#define PI_MODEL_2 4
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#define PI_ALPHA 5
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#define PI_MODEL_CM 6
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#define PI_MODEL_07 7
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#define PI_MODEL_CM3 10
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#define PI_MODEL_ZERO_W 12
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#define PI_MODEL_3P 13
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#define PI_VERSION_1 0
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#define PI_VERSION_1_1 1
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#define PI_VERSION_1_2 2
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#define PI_VERSION_2 3
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#define PI_MAKER_SONY 0
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#define PI_MAKER_EGOMAN 1
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#define PI_MAKER_EMBEST 2
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#define PI_MAKER_UNKNOWN 3
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/*********** Allwinner H3 *************/
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#define H3_GPIO_BASE_ADDR 0x01C20000U
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#define H3_R_GPIO_BASE_ADDR 0x01F02000U
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/*********** Allwinner H3 *************/
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/*********** Allwinner H6 *************/
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#define H6_GPIO_BASE_ADDR 0x0300B000U
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#define H6_R_GPIO_BASE_ADDR 0x07022000U
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/*********** Allwinner H6 *************/
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typedef struct {
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unsigned int gpio_base_addr;
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unsigned int r_gpio_base_addr;
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unsigned int * gpio;
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unsigned int * r_gpio;
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unsigned int gpio_base_offset;
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unsigned int r_gpio_base_offset;
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} sunxi_gpio_info;
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/*********** Rockchip RK3588 *************/
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//gpio0~gpio4 register base addr
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#define RK3588_GPIO0_BASE 0xfd8a0000U
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#define RK3588_GPIO1_BASE 0xfec20000U
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#define RK3588_GPIO2_BASE 0xfec30000U
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#define RK3588_GPIO3_BASE 0xfec40000U
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#define RK3588_GPIO4_BASE 0xfec50000U
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//gpio offset
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#define RK3588_GPIO_SWPORT_DR_L_OFFSET 0x00U
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#define RK3588_GPIO_SWPORT_DR_H_OFFSET 0x04U
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#define RK3588_GPIO_SWPORT_DDR_L_OFFSET 0x08U
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#define RK3588_GPIO_SWPORT_DDR_H_OFFSET 0x0cU
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#define RK3588_GPIO_EXT_PORT_OFFSET 0x70U
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//CRU clock-controller base addr
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#define RK3588_CRU_BASE 0xfd7c0000U
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#define RK3588_CRU_GATE_CON16_OFFSET 0x0840U //for gpio1 bit 14 15 30 31
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#define RK3588_CRU_GATE_CON17_OFFSET 0x0844U //for gpio2/3/4 - bit 0 1 2 3 4 5 16 17 18 19 20 21
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#define RK3588_PMU1CRU_BASE 0xfd7f0000U
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#define RK3588_PMU1CRU_GATE_CON5_OFFSET 0x0814U //for gpio0 - bit 5 6 21 22
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#define RK3588_GPIO_NUM (0x40)
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#define RK3588_GPIO_BIT(x) (1UL << (x))
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//gpio iomux
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#define RK3588_PMU1_IOC_BASE 0xfd5f0000U
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#define RK3588_PMU1_IOC_GPIO0A_IOMUX_SEL_L 0x00U //gpio0a0~gpio0b3
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#define RK3588_PMU1_IOC_GPIO0A_IOMUX_SEL_H 0x04U //gpio0a4~gpio0b7
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#define RK3588_PMU1_IOC_GPIO0B_IOMUX_SEL_L 0x08U //gpio0b0~gpio0b3
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#define RK3588_PMU2_IOC_BASE 0xfd5f4000U
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#define RK3588_PMU2_IOC_GPIO0B_IOMUX_SEL_H 0x00U //gpio0a5~gpio0b7
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#define RK3588_PMU2_IOC_GPIO0C_IOMUX_SEL_L 0x04U //gpio0a0~gpio0b3
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#define RK3588_PMU2_IOC_GPIO0C_IOMUX_SEL_H 0x08U //gpio0a4~gpio0b7
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#define RK3588_PMU2_IOC_GPIO0D_IOMUX_SEL_L 0x0cU //gpio0a0~gpio0b3
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#define RK3588_PMU2_IOC_GPIO0D_IOMUX_SEL_H 0x10U //gpio0a4~gpio0b6
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#define RK3588_BUS_IOC_BASE 0xfd5f8000U
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//gpio pull up/down
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#define RK3588_VCCIO1_4_IOC_BASE 0xfd5f9000U
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#define RK3588_VCCIO3_5_IOC_BASE 0xfd5fa000U
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#define RK3588_VCCIO6_IOC_BASE 0xfd5fc000U
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#define RK3588_PMU1_IOC_GPIO0A_P 0x0020U
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#define RK3588_PMU1_IOC_GPIO0B_P 0x0024U
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#define RK3588_PMU2_IOC_GPIO0B_P 0x0028U
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#define RK3588_PMU2_IOC_GPIO0C_P 0x002cU
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#define RK3588_PMU2_IOC_GPIO0D_P 0x0030U
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#define RK3588_VCCIO1_4_IOC_GPIO1A_P 0x0110U
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#define RK3588_VCCIO3_5_IOC_GPIO2A_P 0x0120U
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#define RK3588_VCCIO6_IOC_GPIO4A_P 0x0140U
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typedef struct {
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unsigned int * gpio0_base;
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unsigned int * gpio1_base;
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unsigned int * gpio2_base;
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unsigned int * gpio3_base;
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unsigned int * gpio4_base;
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unsigned int * pmu1_ioc_base;
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unsigned int * pmu2_ioc_base;
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unsigned int * bus_ioc_base;
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unsigned int * cur_base;
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unsigned int * pmu1cur_base;
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unsigned int * vccio1_4_ioc_base;
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unsigned int * vccio3_5_ioc_base;
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unsigned int * vccio6_ioc_base;
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} rk3588_soc_info;
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/*********** Rockchip RK3588 *************/
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/*********** Rockchip RK3566 *************/
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//gpio0~gpio4 register base addr
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#define RK3566_GPIO0_BASE 0xfdd60000U
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#define RK3566_GPIO1_BASE 0xfe740000U
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#define RK3566_GPIO2_BASE 0xfe750000U
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#define RK3566_GPIO3_BASE 0xfe760000U
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#define RK3566_GPIO4_BASE 0xfe770000U
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//gpio offset
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#define RK3566_GPIO_SWPORT_DR_L_OFFSET 0x00U
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#define RK3566_GPIO_SWPORT_DR_H_OFFSET 0x04U
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#define RK3566_GPIO_SWPORT_DDR_L_OFFSET 0x08U
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#define RK3566_GPIO_SWPORT_DDR_H_OFFSET 0x0cU
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#define RK3566_GPIO_EXT_PORT_OFFSET 0x70U
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#define RK3566_PMU_GRF_BASE 0xfdc20000U
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#define RK3566_SYS_GRF_BASE 0xfdc60000U
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#define RK3566_PMU_CRU_BASE 0xfdd00000U
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#define RK3566_CRU_BASE 0xFdd20000U
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// clock
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#define RK3566_CRU_GATE_CON31_OFFSET 0x37CU
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#define RK3566_PMUCRU_PMUGATE_CON01_OFFSET 0x184U //bit 9 bit10 0 enable
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// iomux + pull up/down
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#define RK3566_GRF_GPIO1A_IOMUX_L_OFFSET 0x00U
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#define RK3566_GRF_GPIO1A_P_OFFSET 0x80U
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#define RK3566_PMU_GRF_GPIO0A_IOMUX_L_OFFSET 0x00U
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#define RK3566_PMU_GRF_GPIO0A_P_OFFSET 0x20U
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typedef struct {
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unsigned int * gpio0_base;
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unsigned int * gpio1_base;
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unsigned int * gpio2_base;
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unsigned int * gpio3_base;
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unsigned int * gpio4_base;
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unsigned int * pmu_grf_base;
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unsigned int * sys_grf_base;
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unsigned int * cru_base;
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unsigned int * pmu_cru_base;
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} rk3566_soc_info;
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/*********** Rockchip RK3566 *************/
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/*********** Rockchip RK3399 *************/
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#define RK3399_GPIO1_BASE 0xff730000U
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#define RK3399_GPIO2_BASE 0xff780000U
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#define RK3399_GPIO4_BASE 0xff790000U
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#define RK3399_GPIO_NUM (0x40)
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#define RK3399_GPIO_BIT(x) (1UL << (x))
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#define RK3399_GPIO_SWPORTA_DR_OFFSET 0x00U
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#define RK3399_GPIO_SWPORTA_DDR_OFFSET 0x04U
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#define RK3399_GPIO_EXT_PORTA_OFFSET 0x50U
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#define RK3399_GRF_GPIO2_3_4_P_OFFSET 0x00040U
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#define RK3399_PMUGRF_GPIO0_1_P_OFFSET 0x00040U
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#define RK3399_PMUGRF_BASE 0xff320000U
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#define RK3399_GRF_BASE 0xff77e000U
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#define RK3399_CRU_BASE 0xff760000U
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#define RK3399_PMUCRU_BASE 0xff750000U
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#define RK3399_CRU_CLKGATE_CON31_OFFSET 0x037cU //bit 3 4 5
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#define RK3399_PMUCRU_CLKGATE_CON1_OFFSET 0x0104U
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typedef struct {
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unsigned int * gpio2_base;
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unsigned int * grf_base;
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unsigned int * cru_base;
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unsigned int * pmucru_base;
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unsigned int * pmugrf_base;
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unsigned int * gpio1_base;
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unsigned int * gpio4_base;
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} rk3399_soc_info;
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/*********** Rockchip RK3399 *************/
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/*********** Rockchip RK3328 *************/
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#define RK3328_GPIO2_BASE 0xff230000
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#define RK3328_GPIO3_BASE 0xff240000
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#define RK3328_GPIO_NUM (0x40)
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#define RK3328_GPIO_SWPORTA_DR_OFFSET 0x00
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#define RK3328_GPIO_SWPORTA_DDR_OFFSET 0x04
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#define RK3328_GPIO_EXT_PORTA_OFFSET 0x50
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#define RK3328_GRF_BASE 0xff100000
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#define RK3328_CRU_BASE 0xff440000
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#define RK3328_CRU_CLKGATE_CON16_OFFSET 0x0240 //bit 7 8 9 10 9877
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typedef struct {
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unsigned int * gpio2_base;
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unsigned int * gpio3_base;
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unsigned int * cru_base;
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unsigned int * grf_base;
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} rk3328_soc_info;
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/*********** Rockchip RK3328 *************/
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// Mask for the bottom 64 pins which belong to the Raspberry Pi
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// The others are available for the other devices
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#define PI_GPIO_MASK (0xFFFFFFC0)
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// Handy defines
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extern int wiringPiDebug;
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// wiringPi modes
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#define WPI_MODE_PINS 0
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#define WPI_MODE_GPIO 1
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#define WPI_MODE_GPIO_SYS 2
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#define WPI_MODE_PHYS 3
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#define WPI_MODE_PIFACE 4
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#define WPI_MODE_UNINITIALISED -1
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// Pin modes
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#define INPUT 0
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#define OUTPUT 1
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#define PWM_OUTPUT 2
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#define GPIO_CLOCK 3
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#define SOFT_PWM_OUTPUT 4
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#define SOFT_TONE_OUTPUT 5
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#define PWM_TONE_OUTPUT 6
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#define LOW 0
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#define HIGH 1
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// Pull up/down/none
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#define PUD_OFF 0
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#define PUD_DOWN 1
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#define PUD_UP 2
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// PWM
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#define PWM_MODE_MS 0
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#define PWM_MODE_BAL 1
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// Interrupt levels
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#define INT_EDGE_SETUP 0
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#define INT_EDGE_FALLING 1
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#define INT_EDGE_RISING 2
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#define INT_EDGE_BOTH 3
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// Pi model types and version numbers
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// Intended for the GPIO program Use at your own risk.
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/* Allwinner H6 */
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#define PI_MODEL_3 0
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#define PI_MODEL_LTIE_2 1
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/* Allwinner H2+ */
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#define PI_MODEL_ZERO 2
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/* Allwinner H3 */
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#define PI_MODEL_H3 3
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#define PI_MODEL_ZERO_PLUS_2 4
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/* Allwinner A64 */
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#define PI_MODEL_WIN 5
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/* Allwinner H5 */
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#define PI_MODEL_PRIME 6
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#define PI_MODEL_PC_2 7
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#define PI_MODEL_ZERO_PLUS 8
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/* Allwinner H616 */
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#define PI_MODEL_ZERO_2 9
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|
#define PI_MODEL_ZERO_2_W 10
|
||
|
|
|
||
|
|
|
||
|
|
/* Rockchip RK3399 */
|
||
|
|
#define PI_MODEL_800 15
|
||
|
|
#define PI_MODEL_4 16
|
||
|
|
#define PI_MODEL_4_LTS 17
|
||
|
|
#define PI_MODEL_RK3399 18
|
||
|
|
|
||
|
|
/* Rockchip RK3328 */
|
||
|
|
#define PI_MODEL_R1_PLUS 22
|
||
|
|
|
||
|
|
/* Rockchip RK3588(s) */
|
||
|
|
#define PI_MODEL_900 23
|
||
|
|
#define PI_MODEL_5 24
|
||
|
|
#define PI_MODEL_5B 25
|
||
|
|
#define PI_MODEL_5_PLUS 26
|
||
|
|
|
||
|
|
/* Rockchip RK3566 */
|
||
|
|
#define PI_MODEL_CM4 27
|
||
|
|
#define PI_MODEL_3B 28
|
||
|
|
|
||
|
|
extern const char *piModelNames [16] ;
|
||
|
|
|
||
|
|
extern const char *piRevisionNames [16] ;
|
||
|
|
extern const char *piMakerNames [16] ;
|
||
|
|
extern const int piMemorySize [ 8] ;
|
||
|
|
|
||
|
|
|
||
|
|
// Intended for the GPIO program Use at your own risk.
|
||
|
|
|
||
|
|
// Threads
|
||
|
|
|
||
|
|
#define PI_THREAD(X) void *X (UNU void *dummy)
|
||
|
|
|
||
|
|
// Failure modes
|
||
|
|
|
||
|
|
#define WPI_FATAL (1==1)
|
||
|
|
#define WPI_ALMOST (1==2)
|
||
|
|
|
||
|
|
|
||
|
|
// wiringPiNodeStruct:
|
||
|
|
// This describes additional device nodes in the extended wiringPi
|
||
|
|
// 2.0 scheme of things.
|
||
|
|
// It's a simple linked list for now, but will hopefully migrate to
|
||
|
|
// a binary tree for efficiency reasons - but then again, the chances
|
||
|
|
// of more than 1 or 2 devices being added are fairly slim, so who
|
||
|
|
// knows....
|
||
|
|
|
||
|
|
struct wiringPiNodeStruct
|
||
|
|
{
|
||
|
|
int pinBase ;
|
||
|
|
int pinMax ;
|
||
|
|
|
||
|
|
int fd ; // Node specific
|
||
|
|
unsigned int data0 ; // ditto
|
||
|
|
unsigned int data1 ; // ditto
|
||
|
|
unsigned int data2 ; // ditto
|
||
|
|
unsigned int data3 ; // ditto
|
||
|
|
|
||
|
|
void (*pinMode) (struct wiringPiNodeStruct *node, int pin, int mode) ;
|
||
|
|
void (*pullUpDnControl) (struct wiringPiNodeStruct *node, int pin, int mode) ;
|
||
|
|
int (*digitalRead) (struct wiringPiNodeStruct *node, int pin) ;
|
||
|
|
//unsigned int (*digitalRead8) (struct wiringPiNodeStruct *node, int pin) ;
|
||
|
|
void (*digitalWrite) (struct wiringPiNodeStruct *node, int pin, int value) ;
|
||
|
|
// void (*digitalWrite8) (struct wiringPiNodeStruct *node, int pin, int value) ;
|
||
|
|
void (*pwmWrite) (struct wiringPiNodeStruct *node, int pin, int value) ;
|
||
|
|
int (*analogRead) (struct wiringPiNodeStruct *node, int pin) ;
|
||
|
|
void (*analogWrite) (struct wiringPiNodeStruct *node, int pin, int value) ;
|
||
|
|
|
||
|
|
struct wiringPiNodeStruct *next ;
|
||
|
|
} ;
|
||
|
|
|
||
|
|
extern struct wiringPiNodeStruct *wiringPiNodes ;
|
||
|
|
|
||
|
|
// Export variables for the hardware pointers
|
||
|
|
|
||
|
|
extern volatile unsigned int *_wiringPiGpio ;
|
||
|
|
extern volatile unsigned int *_wiringPiPwm ;
|
||
|
|
extern volatile unsigned int *_wiringPiClk ;
|
||
|
|
extern volatile unsigned int *_wiringPiPads ;
|
||
|
|
extern volatile unsigned int *_wiringPiTimer ;
|
||
|
|
extern volatile unsigned int *_wiringPiTimerIrqRaw ;
|
||
|
|
|
||
|
|
|
||
|
|
// Function prototypes
|
||
|
|
// c++ wrappers thanks to a comment by Nick Lott
|
||
|
|
// (and others on the Raspberry Pi forums)
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// Data
|
||
|
|
|
||
|
|
// Internal
|
||
|
|
|
||
|
|
#ifdef CONFIG_ORANGEPI
|
||
|
|
extern void piGpioLayoutOops (const char *why);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern int wiringPiFailure (int fatal, const char *message, ...) ;
|
||
|
|
|
||
|
|
// Core wiringPi functions
|
||
|
|
|
||
|
|
extern struct wiringPiNodeStruct *wiringPiFindNode (int pin) ;
|
||
|
|
extern struct wiringPiNodeStruct *wiringPiNewNode (int pinBase, int numPins) ;
|
||
|
|
|
||
|
|
extern void wiringPiVersion (int *major, int *minor) ;
|
||
|
|
extern int wiringPiSetup (void) ;
|
||
|
|
extern int wiringPiSetupSys (void) ;
|
||
|
|
extern int wiringPiSetupGpio (void) ;
|
||
|
|
extern int wiringPiSetupPhys (void) ;
|
||
|
|
|
||
|
|
extern void pinModeAlt (int pin, int mode) ;
|
||
|
|
extern void pinMode (int pin, int mode) ;
|
||
|
|
extern void pullUpDnControl (int pin, int pud) ;
|
||
|
|
extern int digitalRead (int pin) ;
|
||
|
|
extern void digitalWrite (int pin, int value) ;
|
||
|
|
extern unsigned int digitalRead8 (int pin) ;
|
||
|
|
extern void digitalWrite8 (int pin, int value) ;
|
||
|
|
extern void pwmWrite (int pin, int value) ;
|
||
|
|
extern int analogRead (int pin) ;
|
||
|
|
extern void analogWrite (int pin, int value) ;
|
||
|
|
|
||
|
|
// PiFace specifics
|
||
|
|
// (Deprecated)
|
||
|
|
|
||
|
|
extern int wiringPiSetupPiFace (void) ;
|
||
|
|
extern int wiringPiSetupPiFaceForGpioProg (void) ; // Don't use this - for gpio program only
|
||
|
|
|
||
|
|
// On-Board Raspberry Pi hardware specific stuff
|
||
|
|
|
||
|
|
extern void piBoardId (int *model) ;
|
||
|
|
extern int wpiPinToGpio (int wpiPin) ;
|
||
|
|
extern int physPinToGpio (int physPin) ;
|
||
|
|
extern void setPadDrive (int group, int value) ;
|
||
|
|
extern int getAlt (int pin) ;
|
||
|
|
extern void pwmToneWrite (int pin, int freq) ;
|
||
|
|
extern void pwmSetMode (int mode) ;
|
||
|
|
extern void pwmSetRange (unsigned int range) ;
|
||
|
|
extern void pwmSetClock (int divisor) ;
|
||
|
|
extern void gpioClockSet (int pin, int freq) ;
|
||
|
|
extern unsigned int digitalReadByte (void) ;
|
||
|
|
extern unsigned int digitalReadByte2 (void) ;
|
||
|
|
extern void digitalWriteByte (int value) ;
|
||
|
|
extern void digitalWriteByte2 (int value) ;
|
||
|
|
|
||
|
|
// Interrupts
|
||
|
|
// (Also Pi hardware specific)
|
||
|
|
|
||
|
|
extern int waitForInterrupt (int pin, int mS) ;
|
||
|
|
extern int wiringPiISR (int pin, int mode, void (*function)(void)) ;
|
||
|
|
|
||
|
|
// Threads
|
||
|
|
|
||
|
|
extern int piThreadCreate (void *(*fn)(void *)) ;
|
||
|
|
extern void piLock (int key) ;
|
||
|
|
extern void piUnlock (int key) ;
|
||
|
|
|
||
|
|
// Schedulling priority
|
||
|
|
|
||
|
|
extern int piHiPri (const int pri) ;
|
||
|
|
|
||
|
|
// Extras from arduino land
|
||
|
|
|
||
|
|
extern void delay (unsigned int howLong) ;
|
||
|
|
extern void delayMicroseconds (unsigned int howLong) ;
|
||
|
|
extern unsigned int millis (void) ;
|
||
|
|
extern unsigned int micros (void) ;
|
||
|
|
|
||
|
|
extern unsigned int readR(unsigned int addr);
|
||
|
|
extern void writeR(unsigned int val, unsigned int addr);
|
||
|
|
extern int OrangePi_get_gpio_mode(int pin);
|
||
|
|
extern int OrangePi_set_gpio_mode(int pin, int mode);
|
||
|
|
extern int OrangePi_digitalRead(int pin);
|
||
|
|
extern int OrangePi_digitalWrite(int pin, int value);
|
||
|
|
extern int OrangePi_set_gpio_alt(int pin, int mode);
|
||
|
|
extern void OrangePi_set_gpio_pullUpDnControl (int pin, int pud);
|
||
|
|
|
||
|
|
void set_soc_info(void);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|