590 lines
15 KiB
C
590 lines
15 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-07-29 KyleChan first version
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*/
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#include <drv_gpio.h>
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#ifdef RT_USING_PIN
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#define DBG_TAG "drv.gpio"
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#ifdef DRV_DEBUG
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#define DBG_LVL DBG_LOG
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#else
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#define DBG_LVL DBG_INFO
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#endif /* DRV_DEBUG */
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#ifdef R_ICU_H
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static rt_base_t ra_pin_get_irqx(rt_uint32_t pin)
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{
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switch (pin)
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{
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case BSP_IO_PORT_04_PIN_00:
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case BSP_IO_PORT_02_PIN_06:
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case BSP_IO_PORT_01_PIN_05:
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return 0;
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case BSP_IO_PORT_02_PIN_05:
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case BSP_IO_PORT_01_PIN_01:
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case BSP_IO_PORT_01_PIN_04:
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return 1;
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case BSP_IO_PORT_02_PIN_03:
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case BSP_IO_PORT_01_PIN_00:
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case BSP_IO_PORT_02_PIN_13:
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return 2;
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case BSP_IO_PORT_02_PIN_02:
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case BSP_IO_PORT_01_PIN_10:
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case BSP_IO_PORT_02_PIN_12:
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return 3;
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case BSP_IO_PORT_04_PIN_02:
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case BSP_IO_PORT_01_PIN_11:
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case BSP_IO_PORT_04_PIN_11:
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return 4;
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case BSP_IO_PORT_04_PIN_01:
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case BSP_IO_PORT_03_PIN_02:
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case BSP_IO_PORT_04_PIN_10:
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return 5;
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case BSP_IO_PORT_03_PIN_01:
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case BSP_IO_PORT_00_PIN_00:
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case BSP_IO_PORT_04_PIN_09:
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return 6;
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case BSP_IO_PORT_00_PIN_01:
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case BSP_IO_PORT_04_PIN_08:
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return 7;
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case BSP_IO_PORT_00_PIN_02:
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case BSP_IO_PORT_03_PIN_05:
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case BSP_IO_PORT_04_PIN_15:
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return 8;
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case BSP_IO_PORT_00_PIN_04:
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case BSP_IO_PORT_03_PIN_04:
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case BSP_IO_PORT_04_PIN_14:
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return 9;
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case BSP_IO_PORT_00_PIN_05:
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case BSP_IO_PORT_07_PIN_09:
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return 10;
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case BSP_IO_PORT_05_PIN_01:
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case BSP_IO_PORT_00_PIN_06:
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case BSP_IO_PORT_07_PIN_08:
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return 11;
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case BSP_IO_PORT_05_PIN_02:
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case BSP_IO_PORT_00_PIN_08:
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return 12;
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case BSP_IO_PORT_00_PIN_15:
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case BSP_IO_PORT_00_PIN_09:
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return 13;
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case BSP_IO_PORT_04_PIN_03:
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case BSP_IO_PORT_05_PIN_12:
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case BSP_IO_PORT_05_PIN_05:
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return 14;
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case BSP_IO_PORT_04_PIN_04:
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case BSP_IO_PORT_05_PIN_11:
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case BSP_IO_PORT_05_PIN_06:
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return 15;
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default :
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return -1;
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}
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}
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static struct rt_pin_irq_hdr pin_irq_hdr_tab[] =
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{
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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{-1, 0, RT_NULL, RT_NULL},
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};
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#define RA_IRQ_MAX 16
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struct ra_pin_irq_map pin_irq_map[RA_IRQ_MAX] = {0};
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static void ra_pin_map_init(void)
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{
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#ifdef VECTOR_NUMBER_ICU_IRQ0
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pin_irq_map[0].irq_ctrl = &g_external_irq0_ctrl;
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pin_irq_map[0].irq_cfg = &g_external_irq0_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ1
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pin_irq_map[1].irq_ctrl = &g_external_irq1_ctrl;
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pin_irq_map[1].irq_cfg = &g_external_irq1_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ2
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pin_irq_map[2].irq_ctrl = &g_external_irq2_ctrl;
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pin_irq_map[2].irq_cfg = &g_external_irq2_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ3
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pin_irq_map[3].irq_ctrl = &g_external_irq3_ctrl;
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pin_irq_map[3].irq_cfg = &g_external_irq3_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ4
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pin_irq_map[4].irq_ctrl = &g_external_irq4_ctrl;
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pin_irq_map[4].irq_cfg = &g_external_irq4_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ5
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pin_irq_map[5].irq_ctrl = &g_external_irq5_ctrl;
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pin_irq_map[5].irq_cfg = &g_external_irq5_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ6
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pin_irq_map[6].irq_ctrl = &g_external_irq6_ctrl;
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pin_irq_map[6].irq_cfg = &g_external_irq6_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ7
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pin_irq_map[7].irq_ctrl = &g_external_irq7_ctrl;
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pin_irq_map[7].irq_cfg = &g_external_irq7_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ8
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pin_irq_map[8].irq_ctrl = &g_external_irq8_ctrl;
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pin_irq_map[8].irq_cfg = &g_external_irq8_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ9
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pin_irq_map[9].irq_ctrl = &g_external_irq9_ctrl;
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pin_irq_map[9].irq_cfg = &g_external_irq9_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ10
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pin_irq_map[10].irq_ctrl = &g_external_irq10_ctrl;
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pin_irq_map[10].irq_cfg = &g_external_irq10_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ11
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pin_irq_map[11].irq_ctrl = &g_external_irq11_ctrl;
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pin_irq_map[11].irq_cfg = &g_external_irq11_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ12
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pin_irq_map[12].irq_ctrl = &g_external_irq12_ctrl;
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pin_irq_map[12].irq_cfg = &g_external_irq12_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ13
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pin_irq_map[13].irq_ctrl = &g_external_irq13_ctrl;
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pin_irq_map[13].irq_cfg = &g_external_irq13_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ14
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pin_irq_map[14].irq_ctrl = &g_external_irq14_ctrl;
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pin_irq_map[14].irq_cfg = &g_external_irq14_cfg;
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#endif
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#ifdef VECTOR_NUMBER_ICU_IRQ15
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pin_irq_map[15].irq_ctrl = &g_external_irq15_ctrl;
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pin_irq_map[15].irq_cfg = &g_external_irq15_cfg;
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#endif
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}
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#endif /* R_ICU_H */
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static void ra_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
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{
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fsp_err_t err;
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/* Initialize the IOPORT module and configure the pins */
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err = R_IOPORT_Open(&g_ioport_ctrl, &g_bsp_pin_cfg);
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if (err != FSP_SUCCESS)
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{
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LOG_E("GPIO open failed");
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return;
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}
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switch (mode)
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{
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case PIN_MODE_OUTPUT:
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err = R_IOPORT_PinCfg(&g_ioport_ctrl, pin, BSP_IO_DIRECTION_OUTPUT);
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if (err != FSP_SUCCESS)
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{
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LOG_E("PIN_MODE_OUTPUT configuration failed");
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return;
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}
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break;
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case PIN_MODE_INPUT:
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err = R_IOPORT_PinCfg(&g_ioport_ctrl, pin, BSP_IO_DIRECTION_INPUT);
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if (err != FSP_SUCCESS)
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{
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LOG_E("PIN_MODE_INPUT configuration failed");
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return;
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}
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break;
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case PIN_MODE_OUTPUT_OD:
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err = R_IOPORT_PinCfg(&g_ioport_ctrl, pin, IOPORT_CFG_NMOS_ENABLE);
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if (err != FSP_SUCCESS)
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{
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LOG_E("PIN_MODE_OUTPUT_OD configuration failed");
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return;
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}
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break;
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}
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}
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static void ra_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
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{
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bsp_io_level_t level = BSP_IO_LEVEL_HIGH;
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if (value != level)
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{
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level = BSP_IO_LEVEL_LOW;
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}
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R_BSP_PinAccessEnable();
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R_BSP_PinWrite(pin, level);
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R_BSP_PinAccessDisable();
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}
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static int ra_pin_read(rt_device_t dev, rt_base_t pin)
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{
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if ((pin > RA_MAX_PIN_VALUE) || (pin < RA_MIN_PIN_VALUE))
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{
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LOG_E("GPIO pin value is illegal");
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return -RT_ERROR;
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}
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return R_BSP_PinRead(pin);
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}
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static rt_err_t ra_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t enabled)
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{
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#ifdef R_ICU_H
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rt_err_t err;
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rt_int32_t irqx = ra_pin_get_irqx(pin);
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if (PIN_IRQ_ENABLE == enabled)
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{
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if (0 <= irqx && irqx < sizeof(pin_irq_map) / sizeof(pin_irq_map[0]))
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{
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err = R_ICU_ExternalIrqOpen((external_irq_ctrl_t *const)pin_irq_map[irqx].irq_ctrl,
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(external_irq_cfg_t const * const)pin_irq_map[irqx].irq_cfg);
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/* Handle error */
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if (FSP_SUCCESS != err)
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{
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/* ICU Open failure message */
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LOG_E("\r\n**R_ICU_ExternalIrqOpen API FAILED**\r\n");
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return -RT_ERROR;
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}
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err = R_ICU_ExternalIrqEnable((external_irq_ctrl_t *const)pin_irq_map[irqx].irq_ctrl);
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/* Handle error */
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if (FSP_SUCCESS != err)
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{
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/* ICU Enable failure message */
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LOG_E("\r\n**R_ICU_ExternalIrqEnable API FAILED**\r\n");
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return -RT_ERROR;
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}
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}
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}
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else if (PIN_IRQ_DISABLE == enabled)
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{
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err = R_ICU_ExternalIrqDisable((external_irq_ctrl_t *const)pin_irq_map[irqx].irq_ctrl);
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if (FSP_SUCCESS != err)
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{
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/* ICU Disable failure message */
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LOG_E("\r\n**R_ICU_ExternalIrqDisable API FAILED**\r\n");
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return -RT_ERROR;
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}
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err = R_ICU_ExternalIrqClose((external_irq_ctrl_t *const)pin_irq_map[irqx].irq_ctrl);
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if (FSP_SUCCESS != err)
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{
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/* ICU Close failure message */
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LOG_E("\r\n**R_ICU_ExternalIrqClose API FAILED**\r\n");
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return -RT_ERROR;
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}
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}
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return RT_EOK;
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#else
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return -RT_ERROR;
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#endif
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}
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static rt_err_t ra_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
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rt_uint32_t mode, void (*hdr)(void *args), void *args)
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{
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#ifdef R_ICU_H
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rt_int32_t irqx = ra_pin_get_irqx(pin);
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if (0 <= irqx && irqx < (sizeof(pin_irq_map) / sizeof(pin_irq_map[0])))
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{
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int level = rt_hw_interrupt_disable();
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if (pin_irq_hdr_tab[irqx].pin == irqx &&
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pin_irq_hdr_tab[irqx].hdr == hdr &&
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pin_irq_hdr_tab[irqx].mode == mode &&
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pin_irq_hdr_tab[irqx].args == args)
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{
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rt_hw_interrupt_enable(level);
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return RT_EOK;
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}
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if (pin_irq_hdr_tab[irqx].pin != -1)
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{
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rt_hw_interrupt_enable(level);
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return RT_EBUSY;
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}
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pin_irq_hdr_tab[irqx].pin = irqx;
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pin_irq_hdr_tab[irqx].hdr = hdr;
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pin_irq_hdr_tab[irqx].mode = mode;
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pin_irq_hdr_tab[irqx].args = args;
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rt_hw_interrupt_enable(level);
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}
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else return -RT_ERROR;
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return RT_EOK;
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#else
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return -RT_ERROR;
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#endif
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}
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static rt_err_t ra_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
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{
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#ifdef R_ICU_H
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rt_int32_t irqx = ra_pin_get_irqx(pin);
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if (0 <= irqx && irqx < sizeof(pin_irq_map) / sizeof(pin_irq_map[0]))
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{
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int level = rt_hw_interrupt_disable();
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if (pin_irq_hdr_tab[irqx].pin == -1)
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{
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rt_hw_interrupt_enable(level);
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return RT_EOK;
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}
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pin_irq_hdr_tab[irqx].pin = -1;
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pin_irq_hdr_tab[irqx].hdr = RT_NULL;
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pin_irq_hdr_tab[irqx].mode = 0;
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pin_irq_hdr_tab[irqx].args = RT_NULL;
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rt_hw_interrupt_enable(level);
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}
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else
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{
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return -RT_ERROR;
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}
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return RT_EOK;
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#else
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return -RT_ERROR;
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#endif
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}
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static rt_base_t ra_pin_get(const char *name)
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{
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int pin_number = -1, port = -1, pin = -1;
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if (rt_strlen(name) != 4)
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return -1;
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if ((name[0] == 'P') || (name[0] == 'p'))
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{
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if ('0' <= (int)name[1] && (int)name[1] <= '9')
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{
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port = ((int)name[1] - 48) * 16 * 16;
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if ('0' <= (int)name[2] && (int)name[2] <= '9')
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{
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if ('0' <= (int)name[3] && (int)name[3] <= '9')
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{
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pin = ((int)name[2] - 48) * 10;
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pin += (int)name[3] - 48;
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pin_number = port + pin;
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}
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else return -1;
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}
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else return -1;
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}
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else return -1;
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}
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return pin_number;
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}
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const static struct rt_pin_ops _ra_pin_ops =
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{
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.pin_mode = ra_pin_mode,
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.pin_write = ra_pin_write,
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.pin_read = ra_pin_read,
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.pin_attach_irq = ra_pin_attach_irq,
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.pin_detach_irq = ra_pin_dettach_irq,
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.pin_irq_enable = ra_pin_irq_enable,
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.pin_get = ra_pin_get,
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};
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int rt_hw_pin_init(void)
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{
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#ifdef R_ICU_H
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ra_pin_map_init();
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#endif
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return rt_device_pin_register("pin", &_ra_pin_ops, RT_NULL);
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}
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#ifdef R_ICU_H
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void irq0_callback(external_irq_callback_args_t *p_args)
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{
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rt_interrupt_enter();
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if (0 == pin_irq_hdr_tab[0].pin)
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{
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pin_irq_hdr_tab[0].hdr(pin_irq_hdr_tab[0].args);
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}
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rt_interrupt_leave();
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};
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void irq1_callback(external_irq_callback_args_t *p_args)
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{
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rt_interrupt_enter();
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if (1 == pin_irq_hdr_tab[1].pin)
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{
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pin_irq_hdr_tab[1].hdr(pin_irq_hdr_tab[1].args);
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}
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rt_interrupt_leave();
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};
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void irq2_callback(external_irq_callback_args_t *p_args)
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{
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rt_interrupt_enter();
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if (2 == pin_irq_hdr_tab[2].pin)
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{
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pin_irq_hdr_tab[2].hdr(pin_irq_hdr_tab[2].args);
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}
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rt_interrupt_leave();
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};
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void irq3_callback(external_irq_callback_args_t *p_args)
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{
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rt_interrupt_enter();
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if (3 == pin_irq_hdr_tab[3].pin)
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{
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pin_irq_hdr_tab[3].hdr(pin_irq_hdr_tab[3].args);
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}
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rt_interrupt_leave();
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};
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void irq4_callback(external_irq_callback_args_t *p_args)
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{
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rt_interrupt_enter();
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if (4 == pin_irq_hdr_tab[4].pin)
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{
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pin_irq_hdr_tab[4].hdr(pin_irq_hdr_tab[4].args);
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}
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rt_interrupt_leave();
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};
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void irq5_callback(external_irq_callback_args_t *p_args)
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{
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rt_interrupt_enter();
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if (5 == pin_irq_hdr_tab[5].pin)
|
|
{
|
|
pin_irq_hdr_tab[5].hdr(pin_irq_hdr_tab[5].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq6_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (6 == pin_irq_hdr_tab[6].pin)
|
|
{
|
|
pin_irq_hdr_tab[6].hdr(pin_irq_hdr_tab[6].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq7_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (7 == pin_irq_hdr_tab[7].pin)
|
|
{
|
|
pin_irq_hdr_tab[7].hdr(pin_irq_hdr_tab[7].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq8_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (8 == pin_irq_hdr_tab[8].pin)
|
|
{
|
|
pin_irq_hdr_tab[8].hdr(pin_irq_hdr_tab[8].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq9_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (9 == pin_irq_hdr_tab[9].pin)
|
|
{
|
|
pin_irq_hdr_tab[9].hdr(pin_irq_hdr_tab[9].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq10_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (10 == pin_irq_hdr_tab[10].pin)
|
|
{
|
|
pin_irq_hdr_tab[10].hdr(pin_irq_hdr_tab[10].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq11_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (11 == pin_irq_hdr_tab[11].pin)
|
|
{
|
|
pin_irq_hdr_tab[11].hdr(pin_irq_hdr_tab[11].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq12_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (12 == pin_irq_hdr_tab[12].pin)
|
|
{
|
|
pin_irq_hdr_tab[12].hdr(pin_irq_hdr_tab[12].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq13_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (13 == pin_irq_hdr_tab[13].pin)
|
|
{
|
|
pin_irq_hdr_tab[13].hdr(pin_irq_hdr_tab[13].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq14_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (14 == pin_irq_hdr_tab[14].pin)
|
|
{
|
|
pin_irq_hdr_tab[14].hdr(pin_irq_hdr_tab[14].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
|
|
void irq15_callback(external_irq_callback_args_t *p_args)
|
|
{
|
|
rt_interrupt_enter();
|
|
if (15 == pin_irq_hdr_tab[15].pin)
|
|
{
|
|
pin_irq_hdr_tab[15].hdr(pin_irq_hdr_tab[15].args);
|
|
}
|
|
rt_interrupt_leave();
|
|
};
|
|
#endif /* R_ICU_H */
|
|
|
|
#endif /* RT_USING_PIN */
|