/************************************************************************************************** Phyplus Microelectronics Limited confidential and proprietary. All rights reserved. IMPORTANT: All rights of this software belong to Phyplus Microelectronics Limited ("Phyplus"). Your use of this Software is limited to those specific rights granted under the terms of the business contract, the confidential agreement, the non-disclosure agreement and any other forms of agreements as a customer or a partner of Phyplus. You may not use this Software unless you agree to abide by the terms of these agreements. You acknowledge that the Software may not be modified, copied, distributed or disclosed unless embedded on a Phyplus Bluetooth Low Energy (BLE) integrated circuit, either as a product or is integrated into your products. Other than for the aforementioned purposes, you may not use, reproduce, copy, prepare derivative works of, modify, distribute, perform, display or sell this Software and/or its documentation for any purposes. YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL PHYPLUS OR ITS SUBSIDIARIES BE LIABLE OR OBLIGATED UNDER CONTRACT, NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS. **************************************************************************************************/ /******************************************************************************* * @file pwm.h * @brief Contains all functions support for pwm driver * @version 0.0 * @date 30. Oct. 2017 * @author Ding * * Copyright(C) 2016, PhyPlus Semiconductor * All rights reserved. * *******************************************************************************/ #ifndef __PWM__H__ #define __PWM__H__ #include "types.h" #include "gpio.h" #include "common.h" #define PWM_CH_BASE 0x4000E004UL #define PWM_CTL0_ADDR(n) (PWM_CH_BASE + n*12) #define PWM_CTL1_ADDR(n) (PWM_CH_BASE + 4 + n*12) #define PWM_ENABLE_ALL do{\ *(volatile unsigned int *) 0x4000e000 |= BIT(0);\ *(volatile unsigned int *) 0x4000e000 |= BIT(4);\ }while(0) #define PWM_DISABLE_ALL do{\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(0);\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(4);\ }while(0) #define PWM_ENABLE_CH_012 do{\ *(volatile unsigned int *) 0x4000e000 |= BIT(8);\ *(volatile unsigned int *) 0x4000e000 |= BIT(9);\ }while(0) #define PWM_DISABLE_CH_012 do{\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(8);\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(9);\ }while(0) #define PWM_ENABLE_CH_345 do{\ *(volatile unsigned int *) 0x4000e000 |= BIT(10);\ *(volatile unsigned int *) 0x4000e000 |= BIT(11);\ }while(0) #define PWM_DISABLE_CH_345 do{\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(10);\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(11);\ }while(0) #define PWM_ENABLE_CH_01 do{\ *(volatile unsigned int *) 0x4000e000 |= BIT(12);\ *(volatile unsigned int *) 0x4000e000 |= BIT(13);\ }while(0) #define PWM_DISABLE_CH_01 do{\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(12);\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(13);\ }while(0) #define PWM_ENABLE_CH_23 do{\ *(volatile unsigned int *) 0x4000e000 |= BIT(14);\ *(volatile unsigned int *) 0x4000e000 |= BIT(15);\ }while(0) #define PWM_DISABLE_CH_23 do{\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(14);\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(15);\ }while(0) #define PWM_ENABLE_CH_45 do{\ *(volatile unsigned int *) 0x4000e000 |= BIT(16);\ *(volatile unsigned int *) 0x4000e000 |= BIT(17);\ }while(0) #define PWM_DISABLE_CH_45 do{\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(16);\ *(volatile unsigned int *) 0x4000e000 &= ~BIT(17);\ }while(0) #define PWM_INSTANT_LOAD_CH(n) subWriteReg(PWM_CTL0_ADDR(n),31,31,1) #define PWM_NO_INSTANT_LOAD_CH(n) subWriteReg(PWM_CTL0_ADDR(n),31,31,0) #define PWM_LOAD_CH(n) subWriteReg(PWM_CTL0_ADDR(n),16,16,1) #define PWM_NO_LOAD_CH(n) subWriteReg(PWM_CTL0_ADDR(n),16,16,0) #define PWM_SET_DIV(n,v) subWriteReg(PWM_CTL0_ADDR(n),14,12,v) #define PWM_SET_MODE(n,v) subWriteReg(PWM_CTL0_ADDR(n),8,8,v) #define PWM_SET_POL(n,v) subWriteReg(PWM_CTL0_ADDR(n),4,4,v) #define PWM_ENABLE_CH(n) subWriteReg(PWM_CTL0_ADDR(n),0,0,1) #define PWM_DISABLE_CH(n) subWriteReg(PWM_CTL0_ADDR(n),0,0,0) #define PWM_SET_CMP_VAL(n,v) subWriteReg(PWM_CTL1_ADDR(n),31,16,v) #define PWM_SET_TOP_VAL(n,v) subWriteReg(PWM_CTL1_ADDR(n),15,0,v) #define PWM_GET_CMP_VAL(n) ((read_reg(PWM_CTL1_ADDR(n)) & 0xFFFF0000) >> 8) #define PWM_GET_TOP_VAL(n) read_reg(PWM_CTL1_ADDR(n)) & 0x0000FFFF /************************************************************* * @brief enum variable, the number of PWM channels supported * */ typedef enum{ PWM_CH0 = 0, PWM_CH1 = 1, PWM_CH2 = 2, PWM_CH3 = 3, PWM_CH4 = 4, PWM_CH5 = 5 }PWMN_e; /************************************************************* * @brief enum variable used for PWM clock prescaler * */ typedef enum{ PWM_CLK_NO_DIV = 0, PWM_CLK_DIV_2 = 1, // 80k hz PWM_CLK_DIV_4 = 2, // 40k hz PWM_CLK_DIV_8 = 3, // 20k hz PWM_CLK_DIV_16 = 4, // 10k hz PWM_CLK_DIV_32 = 5, // 5k hz PWM_CLK_DIV_64 = 6, // 2.5k hz PWM_CLK_DIV_128 = 7 // 1.25k hz }PWM_CLK_DIV_e; /************************************************************* * @brief enum variable used for PWM work mode setting * */ typedef enum{ PWM_CNT_UP = 0, PWM_CNT_UP_AND_DOWN = 1 }PWM_CNT_MODE_e; /************************************************************* * @brief enum variable used for PWM output polarity setting * */ typedef enum{ PWM_POLARITY_RISING = 0, PWM_POLARITY_FALLING = 1 }PWM_POLARITY_e; /************************************************************************************** * @fn hal_pwm_init * * @brief This function process for pwm initial * * input parameters * * @param PWMN_e pwmN : pwm channel * PWM_CLK_DIV_e pwmDiv : clock prescaler of PWM channel * PWM_CNT_MODE_e pwmMode : count mode of PWM channel * PWM_POLARITY_e pwmPolarity : output polarity setting of PWM channel * unsigned short cmpVal : the compare value of PWM channel * unsigned short cntTopVal : the counter top value of PWM channel * * output parameters * * @param None. * * @return None. **************************************************************************************/ void hal_pwm_init(PWMN_e pwmN, PWM_CLK_DIV_e pwmDiv, PWM_CNT_MODE_e pwmMode, PWM_POLARITY_e pwmPolarity); /************************************************************************************** * @fn hal_pwm_open_channel * * @brief This function process for pwm start working * * input parameters * * @param PWMN_e pwmN : pwm channel * GPIO_Pin_e pwmPin : pwm pin number * * output parameters * * @param None. * * @return None. **************************************************************************************/ void hal_pwm_open_channel(PWMN_e pwmN,GPIO_Pin_e pwmPin); /************************************************************************************** * @fn hal_pwm_close_channel * * @brief This function process for pwm stop working * * input parameters * * @param PWMN_e pwmN : pwm channel * * output parameters * * @param None. * * @return None. **************************************************************************************/ void hal_pwm_close_channel(PWMN_e pwmN); /************************************************************************************** * @fn hal_pwm_destroy * * @brief This function process for pwm clear and disable * * input parameters * * @param PWMN_e pwmN : pwm channel * * output parameters * * @param None. * * @return None. **************************************************************************************/ void hal_pwm_destroy(PWMN_e pwmN); /************************************************************************************** * @fn hal_pwm_set_count_val * * @brief This function process for change pwm count value * * input parameters * * @param PWMN_e pwmN : pwm channel * uint16_t cmpVal : the compare value of PWM channel * uint16_t cntTopVal : the counter top value of PWM channel * * output parameters * * @param None. * * @return None. **************************************************************************************/ void hal_pwm_set_count_val(PWMN_e pwmN, uint16_t cmpVal, uint16_t cntTopVal); void hal_pwm_start(void); void hal_pwm_stop(void); //new api,make use easily typedef struct { PWMN_e pwmN; GPIO_Pin_e pwmPin; PWM_CLK_DIV_e pwmDiv; PWM_CNT_MODE_e pwmMode; PWM_POLARITY_e pwmPolarity; uint16_t cmpVal; uint16_t cntTopVal; } pwm_ch_t; /************************************************************************************** * @fn hal_pwm_module_init * * @brief init pwm global variables * * input parameters * * @param None. * * output parameters * * @param None. * * @return None. **************************************************************************************/ void hal_pwm_module_init(void); /************************************************************************************** * @fn hal_pwm_module_deinit * * @brief deinit pwm global variables * * input parameters * * @param None. * * output parameters * * @param None. * * @return None. **************************************************************************************/ void hal_pwm_module_deinit(void); /************************************************************************************** * @fn hal_spi_pin_init * * @brief config and make a pwm start to work * * input parameters * * @param pwm_ch_t ch: pwm channel * * output parameters * * @param None. * * @return None. **************************************************************************************/ void hal_pwm_ch_start(pwm_ch_t ch); /************************************************************************************** * @fn hal_pwm_ch_stop * * @brief make a pwm stop form working * * input parameters * * @param pwm_ch_t ch: pwm channel * * output parameters * * @param None. * * @return None. **************************************************************************************/ void hal_pwm_ch_stop(pwm_ch_t ch); #endif