diff --git a/bsp/wch/risc-v/Libraries/ch32_drivers/SConscript b/bsp/wch/risc-v/Libraries/ch32_drivers/SConscript index 3f3fb70c03..e81428c58b 100644 --- a/bsp/wch/risc-v/Libraries/ch32_drivers/SConscript +++ b/bsp/wch/risc-v/Libraries/ch32_drivers/SConscript @@ -30,6 +30,9 @@ if GetDepend('SOC_RISCV_FAMILY_CH32'): if GetDepend('BSP_USING_CAN'): src += ['drv_can.c'] + if GetDepend('BSP_USING_PWM'): + src += ['drv_pwm.c'] + group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path) Return('group') diff --git a/bsp/wch/risc-v/Libraries/ch32_drivers/drv_pwm.c b/bsp/wch/risc-v/Libraries/ch32_drivers/drv_pwm.c new file mode 100644 index 0000000000..e4a81b9852 --- /dev/null +++ b/bsp/wch/risc-v/Libraries/ch32_drivers/drv_pwm.c @@ -0,0 +1,628 @@ +/* + * Copyright (c) 2006-2022, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2021-09-23 charlown first version + * 2022-10-14 hg0720 the first version which add from wch + */ + +#include +#include +#include +#include +#include + +#ifdef BSP_USING_PWM + +#define LOG_TAG "drv.pwm" +#include + +#ifndef ITEM_NUM +#define ITEM_NUM(items) sizeof(items) / sizeof(items[0]) +#endif + +#define MAX_COUNTER 65535 +#define MIN_COUNTER 2 +#define MIN_PULSE 2 + +struct rtdevice_pwm_device +{ + struct rt_device_pwm parent; + TIM_TypeDef* periph; + rt_uint8_t channel[4]; + char* name; +}; + +void ch32_tim_clock_init(TIM_TypeDef* timx) +{ + if (timx == TIM1) + { + RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE); + } + if (timx == TIM2) + { + RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); + } + if (timx == TIM3) + { + RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); + } + if (timx == TIM4) + { + RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); + } +} + +rt_uint32_t ch32_tim_clock_get(TIM_TypeDef* timx) +{ + RCC_ClocksTypeDef RCC_Clocks; + RCC_GetClocksFreq(&RCC_Clocks); + + /*tim1~4 all in HCLK*/ + return RCC_Clocks.HCLK_Frequency; +} + +struct rt_hwtimer_info hwtimer_info1 = +{ + .maxfreq = 1000000, + .minfreq = 2000, + .maxcnt = 0xFFFF, + .cntmode = HWTIMER_CNTMODE_UP, +}; + +struct rt_hwtimer_info hwtimer_info2 = +{ + .maxfreq = 1000000, + .minfreq = 2000, + .maxcnt = 0xFFFF, + .cntmode = HWTIMER_CNTMODE_UP, + +}; + +struct rt_hwtimer_info hwtimer_info3 = +{ + .maxfreq = 1000000, + .minfreq = 2000, + .maxcnt = 0xFFFF, + .cntmode = HWTIMER_CNTMODE_UP, + +}; + +struct rt_hwtimer_info hwtimer_info4 = +{ + .maxfreq = 1000000, + .minfreq = 2000, + .maxcnt = 0xFFFF, + .cntmode = HWTIMER_CNTMODE_UP, + +}; + +struct rt_hwtimer_info* ch32_hwtimer_info_config_get(TIM_TypeDef* timx) +{ + struct rt_hwtimer_info* info = RT_NULL; + + if (timx == TIM1) + { + info = &hwtimer_info1; + } + else if (timx == TIM2) + { + info = &hwtimer_info2; + } + else if (timx == TIM3) + { + info = &hwtimer_info3; + } + else if (timx == TIM4) + { + info = &hwtimer_info4; + } + + return info; +} + +void ch32_pwm_io_init(TIM_TypeDef* timx, rt_uint8_t channel) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + if (timx == TIM1) + { + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); + + if (channel == TIM_Channel_1) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + if (channel == TIM_Channel_2) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + if (channel == TIM_Channel_3) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + if (channel == TIM_Channel_4) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + } + + if (timx == TIM2) + { + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); + + if (channel == TIM_Channel_1) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + if (channel == TIM_Channel_2) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + if (channel == TIM_Channel_3) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + if (channel == TIM_Channel_4) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + } + + if (timx == TIM3) + { + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); + + if (channel == TIM_Channel_1) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + if (channel == TIM_Channel_2) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStructure); + } + if (channel == TIM_Channel_3) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOB, &GPIO_InitStructure); + } + if (channel == TIM_Channel_4) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOB, &GPIO_InitStructure); + } + } + + if (timx == TIM4) + { + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); + + if (channel == TIM_Channel_1) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOB, &GPIO_InitStructure); + } + if (channel == TIM_Channel_2) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOB, &GPIO_InitStructure); + } + if (channel == TIM_Channel_3) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOB, &GPIO_InitStructure); + } + if (channel == TIM_Channel_4) + { + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOB, &GPIO_InitStructure); + } + } +} + +/* + * channel = 0xFF: the channel is not use. + */ +struct rtdevice_pwm_device pwm_device_list[] = +{ +#ifdef BSP_USING_TIM1_PWM + { + .periph = TIM1, + .name = "pwm1", +#ifdef BSP_USING_TIM1_PWM_CH1 + .channel[0] = TIM_Channel_1, +#else + .channel[0] = 0xFF, +#endif + +#ifdef BSP_USING_TIM1_PWM_CH2 + .channel[1] = TIM_Channel_2, +#else + .channel[1] = 0xFF, +#endif + +#ifdef BSP_USING_TIM1_PWM_CH3 + .channel[2] = TIM_Channel_3, +#else + .channel[2] = 0xFF, +#endif + +#ifdef BSP_USING_TIM1_PWM_CH4 + .channel[3] = TIM_Channel_4, +#else + .channel[3] = 0xFF, +#endif + }, +#endif /* BSP_USING_TIM1_PWM */ + +#ifdef BSP_USING_TIM2_PWM + { + .periph = TIM2, + .name = "pwm2", +#ifdef BSP_USING_TIM2_PWM_CH1 + .channel[0] = TIM_Channel_1, +#else + .channel[0] = 0xFF, +#endif + +#ifdef BSP_USING_TIM2_PWM_CH2 + .channel[1] = TIM_Channel_2, +#else + .channel[1] = 0xFF, +#endif + +#ifdef BSP_USING_TIM2_PWM_CH3 + .channel[2] = TIM_Channel_3, +#else + .channel[2] = 0xFF, +#endif + +#ifdef BSP_USING_TIM2_PWM_CH4 + .channel[3] = TIM_Channel_4, +#else + .channel[3] = 0xFF, +#endif + }, +#endif /* BSP_USING_TIM2_PWM */ + +#ifdef BSP_USING_TIM3_PWM + { + .periph = TIM3, + .name = "pwm3", +#ifdef BSP_USING_TIM3_PWM_CH1 + .channel[0] = TIM_Channel_1, +#else + .channel[0] = 0xFF, +#endif + +#ifdef BSP_USING_TIM3_PWM_CH2 + .channel[1] = TIM_Channel_2, +#else + .channel[1] = 0xFF, +#endif + +#ifdef BSP_USING_TIM3_PWM_CH3 + .channel[2] = TIM_Channel_3, +#else + .channel[2] = 0xFF, +#endif + +#ifdef BSP_USING_TIM3_PWM_CH4 + .channel[3] = TIM_Channel_4, +#else + .channel[3] = 0xFF, +#endif + }, +#endif /* BSP_USING_TIM3_PWM */ + +#ifdef BSP_USING_TIM4_PWM + { + .periph = TIM4, + .name = "pwm4", +#ifdef BSP_USING_TIM4_PWM_CH1 + .channel[0] = TIM_Channel_1, +#else + .channel[0] = 0xFF, +#endif + +#ifdef BSP_USING_TIM4_PWM_CH2 + .channel[1] = TIM_Channel_2, +#else + .channel[1] = 0xFF, +#endif + +#ifdef BSP_USING_TIM4_PWM_CH3 + .channel[2] = TIM_Channel_3, +#else + .channel[2] = 0xFF, +#endif + +#ifdef BSP_USING_TIM4_PWM_CH4 + .channel[3] = TIM_Channel_4, +#else + .channel[3] = 0xFF, +#endif + }, +#endif /* BSP_USING_TIM4_PWM */ +}; + +static rt_err_t ch32_pwm_device_enable(struct rt_device_pwm* device, struct rt_pwm_configuration* configuration, rt_bool_t enable) +{ + struct rtdevice_pwm_device* pwm_device; + rt_uint32_t channel_index; + rt_uint16_t ccx_state; + + pwm_device = (struct rtdevice_pwm_device*)device; + channel_index = configuration->channel; + + if (enable == RT_TRUE) + { + ccx_state = TIM_CCx_Enable; + } + else + { + ccx_state = TIM_CCx_Disable; + } + + if (channel_index <= 4 && channel_index > 0) + { + if (pwm_device->channel[channel_index - 1] == 0xFF) + { + return RT_EINVAL; + } + TIM_CCxCmd(pwm_device->periph, pwm_device->channel[channel_index - 1], ccx_state); + } + else + { + return RT_EINVAL; + } + + TIM_Cmd(pwm_device->periph, ENABLE); + + return RT_EOK; +} + +static rt_err_t ch32_pwm_device_get(struct rt_device_pwm* device, struct rt_pwm_configuration* configuration) +{ + struct rtdevice_pwm_device* pwm_device; + rt_uint32_t arr_counter, ccr_counter, prescaler, sample_freq; + rt_uint32_t channel_index; + rt_uint32_t tim_clock; + + pwm_device = (struct rtdevice_pwm_device*)device; + tim_clock = ch32_tim_clock_get(pwm_device->periph); + channel_index = configuration->channel; + arr_counter = pwm_device->periph->ATRLR + 1; + prescaler = pwm_device->periph->PSC + 1; + sample_freq = (tim_clock / prescaler) / arr_counter; + + /* unit:ns */ + configuration->period = 1000000000 / sample_freq; + + if (channel_index == 1) + { + ccr_counter = pwm_device->periph->CH1CVR + 1; + configuration->pulse = ((ccr_counter * 100) / arr_counter) * configuration->period / 100; + } + else if (channel_index == 2) + { + ccr_counter = pwm_device->periph->CH2CVR + 1; + configuration->pulse = ((ccr_counter * 100) / arr_counter) * configuration->period / 100; + } + else if (channel_index == 3) + { + ccr_counter = pwm_device->periph->CH3CVR + 1; + configuration->pulse = ((ccr_counter * 100) / arr_counter) * configuration->period / 100; + } + else if (channel_index == 4) + { + ccr_counter = pwm_device->periph->CH4CVR + 1; + configuration->pulse = ((ccr_counter * 100) / arr_counter) * configuration->period / 100; + } + else + { + return RT_EINVAL; + } + + return RT_EOK; +} + +static rt_err_t ch32_pwm_device_set(struct rt_device_pwm* device, struct rt_pwm_configuration* configuration) +{ + struct rtdevice_pwm_device* pwm_device; + rt_uint32_t arr_counter, ccr_counter, prescaler, sample_freq; + rt_uint32_t channel_index; + rt_uint32_t tim_clock; + TIM_TimeBaseInitTypeDef TIM_TimeBaseInitType; + TIM_OCInitTypeDef TIM_OCInitType; + + pwm_device = (struct rtdevice_pwm_device*)device; + tim_clock = ch32_tim_clock_get(pwm_device->periph); + channel_index = configuration->channel; + + /* change to freq, unit:Hz */ + sample_freq = 1000000000 / configuration->period; + + /* counter = (tim_clk / prescaler) / sample_freq */ + /* normally, tim_clk is not need div, if arr_counter over 65536, need div. */ + prescaler = 1; + arr_counter = (tim_clock / prescaler) / sample_freq; + + if (arr_counter > MAX_COUNTER) + { + /* need div tim_clock + * and round up the prescaler value. + * (tim_clock >> 16) = tim_clock / 65536 + */ + if ((tim_clock >> 16) % sample_freq == 0) + prescaler = (tim_clock >> 16) / sample_freq; + else + prescaler = (tim_clock >> 16) / sample_freq + 1; + + /* counter = (tim_clk / prescaler) / sample_freq */ + arr_counter = (tim_clock / prescaler) / sample_freq; + } + /* ccr_counter = duty cycle * arr_counter */ + ccr_counter = (configuration->pulse * 100 / configuration->period) * arr_counter / 100; + + /* check arr_counter > 1, cxx_counter > 1 */ + if (arr_counter < MIN_COUNTER) + { + arr_counter = MIN_COUNTER; + } + if (ccr_counter < MIN_PULSE) + { + ccr_counter = MIN_PULSE; + } + + /* TMRe base configuration */ + TIM_TimeBaseStructInit(&TIM_TimeBaseInitType); + TIM_TimeBaseInitType.TIM_Period = arr_counter - 1; + TIM_TimeBaseInitType.TIM_Prescaler = prescaler - 1; + TIM_TimeBaseInitType.TIM_ClockDivision = TIM_CKD_DIV1; + TIM_TimeBaseInitType.TIM_CounterMode = TIM_CounterMode_Up; + TIM_TimeBaseInit(pwm_device->periph, &TIM_TimeBaseInitType); + + TIM_OCStructInit(&TIM_OCInitType); + TIM_OCInitType.TIM_OCMode = TIM_OCMode_PWM1; + TIM_OCInitType.TIM_OutputState = TIM_OutputState_Enable; + TIM_OCInitType.TIM_Pulse = ccr_counter - 1; + TIM_OCInitType.TIM_OCPolarity = TIM_OCPolarity_High; + + if (channel_index == 1) + { + TIM_OC1Init(pwm_device->periph, &TIM_OCInitType); + TIM_OC1PreloadConfig(pwm_device->periph, TIM_OCPreload_Disable); + } + else if (channel_index == 2) + { + TIM_OC2Init(pwm_device->periph, &TIM_OCInitType); + TIM_OC2PreloadConfig(pwm_device->periph, TIM_OCPreload_Disable); + } + else if (channel_index == 3) + { + TIM_OC3Init(pwm_device->periph, &TIM_OCInitType); + TIM_OC3PreloadConfig(pwm_device->periph, TIM_OCPreload_Disable); + } + else if (channel_index == 4) + { + TIM_OC4Init(pwm_device->periph, &TIM_OCInitType); + TIM_OC4PreloadConfig(pwm_device->periph, TIM_OCPreload_Disable); + } + else + { + return RT_EINVAL; + } + + TIM_ARRPreloadConfig(pwm_device->periph, ENABLE); + TIM_CtrlPWMOutputs(pwm_device->periph, ENABLE); + + return RT_EOK; +} + +static rt_err_t drv_pwm_control(struct rt_device_pwm* device, int cmd, void* arg) +{ + struct rt_pwm_configuration* configuration; + + configuration = (struct rt_pwm_configuration*)arg; + + switch (cmd) + { + case PWM_CMD_ENABLE: + return ch32_pwm_device_enable(device, configuration, RT_TRUE); + case PWM_CMD_DISABLE: + return ch32_pwm_device_enable(device, configuration, RT_FALSE); + case PWM_CMD_SET: + return ch32_pwm_device_set(device, configuration); + case PWM_CMD_GET: + return ch32_pwm_device_get(device, configuration); + default: + return RT_EINVAL; + } +} + +static struct rt_pwm_ops pwm_ops = +{ + .control = drv_pwm_control +}; + +static int rt_hw_pwm_init(void) +{ + int result = RT_EOK; + int index = 0; + int channel_index; + + for (index = 0; index < ITEM_NUM(pwm_device_list); index++) + { + ch32_tim_clock_init(pwm_device_list[index].periph); + for (channel_index = 0; channel_index < sizeof(pwm_device_list[index].channel); channel_index++) + { + if (pwm_device_list[index].channel[channel_index] != 0xFF) + { + ch32_pwm_io_init(pwm_device_list[index].periph, pwm_device_list[index].channel[channel_index]); + } + } + + if (rt_device_pwm_register(&pwm_device_list[index].parent, pwm_device_list[index].name, &pwm_ops, RT_NULL) == RT_EOK) + { + LOG_D("%s register success", pwm_device_list[index].name); + } + else + { + LOG_D("%s register failed", pwm_device_list[index].name); + result = -RT_ERROR; + } + } + + return result; +} + +INIT_BOARD_EXPORT(rt_hw_pwm_init); + +#endif /* BSP_USING_PWM */ diff --git a/bsp/wch/risc-v/ch32v307v-r1/board/Kconfig b/bsp/wch/risc-v/ch32v307v-r1/board/Kconfig index b1134365e0..69b6b9467c 100644 --- a/bsp/wch/risc-v/ch32v307v-r1/board/Kconfig +++ b/bsp/wch/risc-v/ch32v307v-r1/board/Kconfig @@ -137,10 +137,10 @@ menu "On-chip Peripheral Drivers" default n if BSP_USING_RTC - config BSP_USING_RTC_LSI - bool "using LSI clock for rtc, if not, LSE default" - select LSI_VALUE - default n + config BSP_USING_RTC_LSI + bool "using LSI clock for rtc, if not, LSE default" + select LSI_VALUE + default n endif config LSI_VALUE @@ -165,6 +165,167 @@ menu "On-chip Peripheral Drivers" bool "using CAN2" default n endif + + config BSP_USING_TIM + bool "using TIMx" + default n + + if BSP_USING_TIM + config BSP_USING_HWTIMER + bool + select RT_USING_HWTIMER + default n + + config BSP_USING_PWM + bool + select RT_USING_PWM + default n + + config BSP_USING_TIM1 + bool "using TIM1" + default n + + if BSP_USING_TIM1 + choice + prompt "using TIM1 as hwtimer or PWM mode" + default BSP_USING_TIM1_HWTIMER + + config BSP_USING_TIM1_HWTIMER + bool "using TIM1 as hwtimer mode" + select BSP_USING_HWTIMER + + config BSP_USING_TIM1_PWM + bool "using TIM1 as PWM mode" + select BSP_USING_PWM + endchoice + + if BSP_USING_TIM1_PWM + config BSP_USING_TIM1_PWM_CH1 + bool "using TIM1 channel 1" + default n + + config BSP_USING_TIM1_PWM_CH2 + bool "using TIM1 channel 2" + default n + + config BSP_USING_TIM1_PWM_CH3 + bool "using TIM1 channel 3" + + config BSP_USING_TIM1_PWM_CH4 + bool "using TIM1 channel 4" + endif + + endif + + config BSP_USING_TIM2 + bool "using TIM2" + default n + + if BSP_USING_TIM2 + choice + prompt "using TIM2 as hwtimer or PWM mode" + default BSP_USING_TIM2_HWTIMER + + config BSP_USING_TIM2_HWTIMER + bool "using TIM2 as hwtimer mode" + select BSP_USING_HWTIMER + + config BSP_USING_TIM2_PWM + bool "using TIM2 as PWM mode" + select BSP_USING_PWM + endchoice + + if BSP_USING_TIM2_PWM + config BSP_USING_TIM2_PWM_CH1 + bool "using TIM2 channel 1" + default n + + config BSP_USING_TIM2_PWM_CH2 + bool "using TIM2 channel 2" + default n + + config BSP_USING_TIM2_PWM_CH3 + bool "using TIM2 channel 3" + + config BSP_USING_TIM2_PWM_CH4 + bool "using TIM2 channel 4" + endif + + endif + + config BSP_USING_TIM3 + bool "using TIM3" + default n + + if BSP_USING_TIM3 + choice + prompt "using TIM3 as hwtimer or PWM mode" + default BSP_USING_TIM3_HWTIMER + + config BSP_USING_TIM3_HWTIMER + bool "using TIM3 as hwtimer mode" + select BSP_USING_HWTIMER + + config BSP_USING_TIM3_PWM + bool "using TIM3 as PWM mode" + select BSP_USING_PWM + endchoice + + if BSP_USING_TIM3_PWM + config BSP_USING_TIM3_PWM_CH1 + bool "using TIM3 channel 1" + default n + + config BSP_USING_TIM3_PWM_CH2 + bool "using TIM3 channel 2" + default n + + config BSP_USING_TIM3_PWM_CH3 + bool "using TIM3 channel 3" + + config BSP_USING_TIM3_PWM_CH4 + bool "using TIM3 channel 4" + endif + + endif + + config BSP_USING_TIM4 + bool "using TIM4" + default n + + if BSP_USING_TIM4 + choice + prompt "using TIM4 as hwtimer or PWM mode" + default BSP_USING_TIM4_HWTIMER + + config BSP_USING_TIM4_HWTIMER + bool "using TIM4 as hwtimer mode" + select BSP_USING_HWTIMER + + config BSP_USING_TIM4_PWM + bool "using TIM4 as PWM mode" + select BSP_USING_PWM + endchoice + + if BSP_USING_TIM4_PWM + config BSP_USING_TIM4_PWM_CH1 + bool "using TIM4 channel 1" + default n + + config BSP_USING_TIM4_PWM_CH2 + bool "using TIM4 channel 2" + default n + + config BSP_USING_TIM4_PWM_CH3 + bool "using TIM4 channel 3" + + config BSP_USING_TIM4_PWM_CH4 + bool "using TIM4 channel 4" + endif + + endif + + endif endmenu