231 lines
10 KiB
C
231 lines
10 KiB
C
/*
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*********************************************************************************************************
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* IAR Development Kits
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* on the
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*
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* M451
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*
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* Filename : gpio_vcc.c
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* Version : V1.00
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* Programmer(s) : Qian Xianghong
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*********************************************************************************************************
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*/
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/*
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*********************************************************************************************************
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* INCLUDE FILES
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*********************************************************************************************************
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*/
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#include "includes.h"
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volatile uint8_t LCD_Disabled = 0;
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void Vcc_Init()
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{
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// 把悬空引脚设为数字输入（上电默认状态）
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// PA.9~8为SC0_TXRX
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// PF.4为加速度计的INT1
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// PE.0悬空
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// 关掉悬空引脚的数字输入通道
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// PA.9~8
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GPIO_DISABLE_DIGITAL_PATH(PA, 0x0300ul);
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// PE.0
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GPIO_DISABLE_DIGITAL_PATH(PE, 0x0001ul);
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// PF.4
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GPIO_DISABLE_DIGITAL_PATH(PF, 0x0010ul);
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// 再设置要用的引脚
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/* Set GPA as VCC_SENSOR_5V */
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SYS->PA_L_MFP &= ~SYS_PA_L_MFP_PA7_MFP_Msk;
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SYS->PA_L_MFP |= SYS_PA_L_MFP_PA7_MFP_GPA7;
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GPIO_SetMode(PA, 1 << 7, GPIO_PMD_OUTPUT);
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VCC_SENSOR_5V_OFF();
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// PC.12 as VCC_SFLASH_FRAM
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SYS->PC_H_MFP &= ~SYS_PC_H_MFP_PC12_MFP_Msk;
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SYS->PC_H_MFP |= SYS_PC_H_MFP_PC12_MFP_GPC12;
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GPIO_SetMode(PC, 1 << 12, GPIO_PMD_OUTPUT); // 低电平打开
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VCC_SFLASH_FRAM_ON();
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/* Set GPE as VCC_GSM */
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SYS->PE_L_MFP &= ~SYS_PE_L_MFP_PE5_MFP_Msk;
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SYS->PE_L_MFP |= SYS_PE_L_MFP_PE5_MFP_GPE5;
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GPIO_SetMode(PE, 1 << 5, GPIO_PMD_OUTPUT);
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VCC_GSM_OFF();
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/* Set GPE as VCC_GPS */
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SYS->PE_L_MFP &= ~SYS_PE_L_MFP_PE6_MFP_Msk;
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SYS->PE_L_MFP |= SYS_PE_L_MFP_PE6_MFP_GPE6;
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GPIO_SetMode(PE, 1 << 6, GPIO_PMD_OUTPUT); // 低电平打开
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VCC_GPS_OFF();
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/* Set GPC as VCC_RF */
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SYS->PC_H_MFP &= ~SYS_PC_H_MFP_PC13_MFP_Msk;
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SYS->PC_H_MFP |= SYS_PC_H_MFP_PC13_MFP_GPC13;
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GPIO_SetMode(PC, 1 << 13, GPIO_PMD_OUTPUT);
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VCC_RF_OFF();
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/* Set GPB as VCC_BD */ // 氢压力版本，这个脚被改作按键发送
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// SYS->PB_H_MFP &= ~SYS_PB_H_MFP_PB9_MFP_Msk;
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// SYS->PB_H_MFP |= SYS_PB_H_MFP_PB9_MFP_GPB9;
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// GPIO_SetMode(PB, 1 << 9, GPIO_PMD_OUTPUT);
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// VCC_BD_OFF();
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}
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// 禁止引脚输出
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void Vcc_Disable()
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{
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// 把除了按键、加速度中断、充电检测、控制开关和悬空以外的外设引脚设为数字输入
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// PA.15~12,6~0
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// PB.11~10,5~4
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// PC.11~8,1~0
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// PD.3~0
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// PE.4~1
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// PF.3~2
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SYS->PA_H_MFP &= ~(SYS_PA_H_MFP_PA15_MFP_Msk | SYS_PA_H_MFP_PA14_MFP_Msk | SYS_PA_H_MFP_PA13_MFP_Msk | SYS_PA_H_MFP_PA12_MFP_Msk);
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SYS->PA_H_MFP |= (SYS_PA_H_MFP_PA15_MFP_GPA15 | SYS_PA_H_MFP_PA14_MFP_GPA14 | SYS_PA_H_MFP_PA13_MFP_GPA13 | SYS_PA_H_MFP_PA12_MFP_GPA12);
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SYS->PA_L_MFP &= ~(SYS_PA_L_MFP_PA6_MFP_Msk | SYS_PA_L_MFP_PA5_MFP_Msk | SYS_PA_L_MFP_PA4_MFP_Msk);
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SYS->PA_L_MFP |= (SYS_PA_L_MFP_PA6_MFP_GPA6 | SYS_PA_L_MFP_PA5_MFP_GPA5 | SYS_PA_L_MFP_PA4_MFP_GPA4);
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SYS->PA_L_MFP &= ~(SYS_PA_L_MFP_PA3_MFP_Msk | SYS_PA_L_MFP_PA2_MFP_Msk | SYS_PA_L_MFP_PA1_MFP_Msk | SYS_PA_L_MFP_PA0_MFP_Msk);
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SYS->PA_L_MFP |= (SYS_PA_L_MFP_PA3_MFP_GPA3 | SYS_PA_L_MFP_PA2_MFP_GPA2 | SYS_PA_L_MFP_PA1_MFP_GPA1 | SYS_PA_L_MFP_PA0_MFP_GPA0);
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GPIO_SetMode(PA, BIT15, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT14, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT13, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT12, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT6, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT5, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT4, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT3, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT2, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT1, GPIO_PMD_INPUT);
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GPIO_SetMode(PA, BIT0, GPIO_PMD_INPUT);
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SYS->PB_H_MFP &= ~(SYS_PB_H_MFP_PB11_MFP_Msk | SYS_PB_H_MFP_PB10_MFP_Msk);
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SYS->PB_H_MFP |= (SYS_PB_H_MFP_PB11_MFP_GPB11 | SYS_PB_H_MFP_PB10_MFP_GPB10);
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SYS->PB_L_MFP &= ~(SYS_PB_L_MFP_PB5_MFP_Msk | SYS_PB_L_MFP_PB4_MFP_Msk);
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SYS->PB_L_MFP |= (SYS_PB_L_MFP_PB5_MFP_GPB5 | SYS_PB_L_MFP_PB4_MFP_GPB4);
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GPIO_SetMode(PB, BIT11, GPIO_PMD_INPUT);
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GPIO_SetMode(PB, BIT10, GPIO_PMD_INPUT);
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GPIO_SetMode(PB, BIT5, GPIO_PMD_INPUT);
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GPIO_SetMode(PB, BIT4, GPIO_PMD_INPUT);
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SYS->PC_H_MFP &= ~(SYS_PC_H_MFP_PC11_MFP_Msk | SYS_PC_H_MFP_PC10_MFP_Msk | SYS_PC_H_MFP_PC9_MFP_Msk | SYS_PC_H_MFP_PC8_MFP_Msk);
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SYS->PC_H_MFP |= (SYS_PC_H_MFP_PC11_MFP_GPC11 | SYS_PC_H_MFP_PC10_MFP_GPC10 | SYS_PC_H_MFP_PC9_MFP_GPC9 | SYS_PC_H_MFP_PC8_MFP_GPC8);
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SYS->PC_L_MFP &= ~(SYS_PC_L_MFP_PC1_MFP_Msk | SYS_PC_L_MFP_PC0_MFP_Msk);
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SYS->PC_L_MFP |= (SYS_PC_L_MFP_PC1_MFP_GPC1 | SYS_PC_L_MFP_PC0_MFP_GPC0);
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GPIO_SetMode(PC, BIT11, GPIO_PMD_INPUT);
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GPIO_SetMode(PC, BIT10, GPIO_PMD_INPUT);
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GPIO_SetMode(PC, BIT9, GPIO_PMD_INPUT);
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GPIO_SetMode(PC, BIT8, GPIO_PMD_INPUT);
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GPIO_SetMode(PC, BIT1, GPIO_PMD_INPUT);
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GPIO_SetMode(PC, BIT0, GPIO_PMD_INPUT);
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SYS->PD_L_MFP &= ~(SYS_PD_L_MFP_PD3_MFP_Msk | SYS_PD_L_MFP_PD2_MFP_Msk | SYS_PD_L_MFP_PD1_MFP_Msk | SYS_PD_L_MFP_PD0_MFP_Msk);
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SYS->PD_L_MFP |= (SYS_PD_L_MFP_PD3_MFP_GPD3 | SYS_PD_L_MFP_PD2_MFP_GPD2 | SYS_PD_L_MFP_PD1_MFP_GPD1 | SYS_PD_L_MFP_PD0_MFP_GPD0);
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GPIO_SetMode(PD, BIT3, GPIO_PMD_INPUT);
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GPIO_SetMode(PD, BIT2, GPIO_PMD_INPUT);
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GPIO_SetMode(PD, BIT1, GPIO_PMD_INPUT);
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GPIO_SetMode(PD, BIT0, GPIO_PMD_INPUT);
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SYS->PE_L_MFP &= ~SYS_PE_L_MFP_PE4_MFP_Msk;
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SYS->PE_L_MFP |= SYS_PE_L_MFP_PE4_MFP_GPE4;
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SYS->PE_L_MFP &= ~(SYS_PE_L_MFP_PE3_MFP_Msk | SYS_PE_L_MFP_PE2_MFP_Msk | SYS_PE_L_MFP_PE1_MFP_Msk | SYS_PE_L_MFP_PE0_MFP_Msk);
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SYS->PE_L_MFP |= (SYS_PE_L_MFP_PE3_MFP_GPE3 | SYS_PE_L_MFP_PE2_MFP_GPE2 | SYS_PE_L_MFP_PE1_MFP_GPE1 | SYS_PE_L_MFP_PE0_MFP_GPE0);
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GPIO_SetMode(PE, BIT4, GPIO_PMD_INPUT);
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GPIO_SetMode(PE, BIT3, GPIO_PMD_INPUT);
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GPIO_SetMode(PE, BIT2, GPIO_PMD_INPUT);
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GPIO_SetMode(PE, BIT1, GPIO_PMD_INPUT);
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GPIO_SetMode(PE, BIT0, GPIO_PMD_INPUT);
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SYS->PF_L_MFP &= ~(SYS_PF_L_MFP_PF3_MFP_Msk | SYS_PF_L_MFP_PF2_MFP_Msk);
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SYS->PF_L_MFP |= (SYS_PF_L_MFP_PF3_MFP_GPF3 | SYS_PF_L_MFP_PF2_MFP_GPF2);
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GPIO_SetMode(PF, BIT3, GPIO_PMD_INPUT);
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GPIO_SetMode(PF, BIT2, GPIO_PMD_INPUT);
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// 关掉这部分引脚的数字输入通道
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// PA.15~12,6~0
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GPIO_DISABLE_DIGITAL_PATH(PA, 0xF07Ful);
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// PB.11~10,5~4
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GPIO_DISABLE_DIGITAL_PATH(PB, 0x0C30ul);
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// PC.11~8,1~0
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GPIO_DISABLE_DIGITAL_PATH(PC, 0x0F03ul);
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// PD.3~0
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GPIO_DISABLE_DIGITAL_PATH(PD, 0x000Ful);
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// PE.4~1
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GPIO_DISABLE_DIGITAL_PATH(PE, 0x001Eul);
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// PF.3~2
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GPIO_DISABLE_DIGITAL_PATH(PF, 0x000Cul);
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}
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// 恢复通信引脚输出
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void Vcc_Enable()
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{
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/* Set GPB multi-function pins for UART1 RXD and TXD */
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SYS->PB_L_MFP &= ~(SYS_PB_L_MFP_PB4_MFP_Msk | SYS_PB_L_MFP_PB5_MFP_Msk);
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SYS->PB_L_MFP |= (SYS_PB_L_MFP_PB4_MFP_UART1_RX | SYS_PB_L_MFP_PB5_MFP_UART1_TX);
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GPIO_ENABLE_DIGITAL_PATH(PB, 0x0010ul); // PB.4: RXD
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/* Configure the PA6（BAT_VAL), PA5(P), PA4(DP), PA3-2(T_2), PA1-0(T_1) analog input pins. */
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SYS->PA_L_MFP &= ~(SYS_PA_L_MFP_PA6_MFP_Msk | SYS_PA_L_MFP_PA5_MFP_Msk | SYS_PA_L_MFP_PA4_MFP_Msk);
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SYS->PA_L_MFP |= (SYS_PA_L_MFP_PA6_MFP_ADC_CH6 | SYS_PA_L_MFP_PA5_MFP_ADC_CH5 | SYS_PA_L_MFP_PA4_MFP_ADC_CH4);
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SYS->PA_L_MFP &= ~(SYS_PA_L_MFP_PA3_MFP_Msk | SYS_PA_L_MFP_PA2_MFP_Msk
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| SYS_PA_L_MFP_PA1_MFP_Msk | SYS_PA_L_MFP_PA0_MFP_Msk);
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SYS->PA_L_MFP |= (SYS_PA_L_MFP_PA3_MFP_ADC_CH3 | SYS_PA_L_MFP_PA2_MFP_ADC_CH2
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| SYS_PA_L_MFP_PA1_MFP_ADC_CH1 | SYS_PA_L_MFP_PA0_MFP_ADC_CH0);
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/* Disable the PA6~0 digital input path to avoid the leakage current. */
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GPIO_DISABLE_DIGITAL_PATH(PA, 0x007Ful);
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// // PA.15 as CAP_CAPTURE
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// SYS->PA_H_MFP &= ~SYS_PA_H_MFP_PA15_MFP_Msk;
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// SYS->PA_H_MFP |= SYS_PA_H_MFP_PA15_MFP_PWM0_CH3;
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// GPIO_ENABLE_DIGITAL_PATH(PA, 0x8000ul);
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// // PB.8 as CAP_TRIGGER
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// SYS->PB_H_MFP &= ~SYS_PB_H_MFP_PB8_MFP_Msk;
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// SYS->PB_H_MFP |= SYS_PB_H_MFP_PB8_MFP_GPB8;
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// GPIO_SetMode(PB, BIT8, GPIO_PMD_OUTPUT);
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SYS->PC_H_MFP &= ~(SYS_PC_H_MFP_PC8_MFP_Msk | SYS_PC_H_MFP_PC9_MFP_Msk | SYS_PC_H_MFP_PC10_MFP_Msk | SYS_PC_H_MFP_PC11_MFP_Msk);
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SYS->PC_H_MFP |= (SYS_PC_H_MFP_PC8_MFP_SPI1_SS0 | SYS_PC_H_MFP_PC9_MFP_SPI1_SCLK | SYS_PC_H_MFP_PC10_MFP_SPI1_MISO0 | SYS_PC_H_MFP_PC11_MFP_SPI1_MOSI0);
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GPIO_ENABLE_DIGITAL_PATH(PC, 0x0600ul); // SCLK、MISO
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SYS->PE_L_MFP &= ~(SYS_PE_L_MFP_PE1_MFP_Msk | SYS_PE_L_MFP_PE2_MFP_Msk | SYS_PE_L_MFP_PE3_MFP_Msk | SYS_PE_L_MFP_PE4_MFP_Msk);
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SYS->PE_L_MFP |= (SYS_PE_L_MFP_PE1_MFP_SPI0_SS0 | SYS_PE_L_MFP_PE2_MFP_SPI0_SCLK | SYS_PE_L_MFP_PE3_MFP_SPI0_MISO0 | SYS_PE_L_MFP_PE4_MFP_SPI0_MOSI0);
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GPIO_ENABLE_DIGITAL_PATH(PE, 0x000Cul); // SCLK、MISO
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SYS->PD_L_MFP &= ~(SYS_PD_L_MFP_PD0_MFP_Msk | SYS_PD_L_MFP_PD1_MFP_Msk | SYS_PD_L_MFP_PD2_MFP_Msk | SYS_PD_L_MFP_PD3_MFP_Msk);
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SYS->PD_L_MFP |= (SYS_PD_L_MFP_PD0_MFP_SPI2_SS0 | SYS_PD_L_MFP_PD1_MFP_SPI2_SCLK | SYS_PD_L_MFP_PD2_MFP_SPI2_MISO0 | SYS_PD_L_MFP_PD3_MFP_SPI2_MOSI0);
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GPIO_ENABLE_DIGITAL_PATH(PD, 0x0006ul); // SCLK、MISO
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/* Set PC.0 and PC.1 pin for SC UART mode */
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SYS->PC_L_MFP &= ~(SYS_PC_L_MFP_PC0_MFP_Msk | SYS_PC_L_MFP_PC1_MFP_Msk);
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SYS->PC_L_MFP |= (SYS_PC_L_MFP_PC0_MFP_SC1_CLK | SYS_PC_L_MFP_PC1_MFP_SC1_DAT);
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GPIO_ENABLE_DIGITAL_PATH(PC, 0x0002ul); // PC1: RXD
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/* Set GPA multi-function pins for UART0 RXD and TXD */
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SYS->PA_H_MFP &= ~(SYS_PA_H_MFP_PA14_MFP_Msk | SYS_PA_H_MFP_PA15_MFP_Msk);
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SYS->PA_H_MFP |= (SYS_PA_H_MFP_PA14_MFP_UART0_RX | SYS_PA_H_MFP_PA15_MFP_UART0_TX);
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GPIO_ENABLE_DIGITAL_PATH(PA, 0x4000ul); // PA14: RXD
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// RF MD0, MD1
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SYS->PA_H_MFP &= ~(SYS_PA_H_MFP_PA13_MFP_Msk | SYS_PA_H_MFP_PA12_MFP_Msk);
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SYS->PA_H_MFP |= (SYS_PA_H_MFP_PA13_MFP_GPA13 | SYS_PA_H_MFP_PA12_MFP_GPA12);
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GPIO_SetMode(PA, 1 << 13, GPIO_PMD_OUTPUT);
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GPIO_SetMode(PA, 1 << 12, GPIO_PMD_OUTPUT);
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/* Set PB.10 and PB.11 pin for SC UART mode */
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SYS->PB_H_MFP &= ~(SYS_PB_H_MFP_PB10_MFP_Msk | SYS_PB_H_MFP_PB11_MFP_Msk);
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SYS->PB_H_MFP |= (SYS_PB_H_MFP_PB10_MFP_SC2_CLK | SYS_PB_H_MFP_PB11_MFP_SC2_DAT);
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GPIO_ENABLE_DIGITAL_PATH(PB, 0x0800ul); // PB11: RXD
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// 恢复外设引脚
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VCC_SFLASH_FRAM_ON();
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}
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