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rt-thread/bsp/hc32/libraries/hc32_drivers/drv_pwm.c

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[hc32] Add some bsp drivers. (#8480)
2024-01-09 21:56:37 +08:00
/*
* Copyright (C) 2022-2024, Xiaohua Semiconductor Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-06-27 lianghongquan first version
* 2023-02-22 CDT add hc32f4a0 support
*/
#include <board.h>
#include "drv_config.h"
#include <drivers/rt_drv_pwm.h>
#include <pwm_tmr_config.h>
#if defined(BSP_USING_PWM)
//#define DRV_DEBUG
#define LOG_TAG "drv_pwm"
#include <drv_log.h>
#if defined(BSP_USING_PWM_TMRA)
#if defined(HC32F460)
#define TMRA_CHANNEL_NUM_MAX 8U
#elif defined(HC32F4A0)
#define TMRA_CHANNEL_NUM_MAX 4U
#endif
enum
{
#ifdef BSP_USING_PWM_TMRA_1
PWM_TMRA_1_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_2
PWM_TMRA_2_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_3
PWM_TMRA_3_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_4
PWM_TMRA_4_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_5
PWM_TMRA_5_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_6
PWM_TMRA_6_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_7
PWM_TMRA_7_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_8
PWM_TMRA_8_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_9
PWM_TMRA_9_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_10
PWM_TMRA_10_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_11
PWM_TMRA_11_INDEX,
#endif
#ifdef BSP_USING_PWM_TMRA_12
PWM_TMRA_12_INDEX,
#endif
PWM_TMRA_UNIT_NUM,
};
struct hc32_pwm_tmra
{
struct rt_device_pwm pwm_device;
char *name;
CM_TMRA_TypeDef *instance;
rt_uint32_t channel;
uint32_t CompareValue[TMRA_CHANNEL_NUM_MAX];
rt_bool_t complementary[TMRA_CHANNEL_NUM_MAX];
stc_tmra_init_t stcTmraInit;
stc_tmra_pwm_init_t stcPwmInit;
};
static struct hc32_pwm_tmra g_pwm_tmra_array[] =
{
#ifdef BSP_USING_PWM_TMRA_1
PWM_TMRA_1_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_2
PWM_TMRA_2_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_3
PWM_TMRA_3_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_4
PWM_TMRA_4_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_5
PWM_TMRA_5_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_6
PWM_TMRA_6_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_7
PWM_TMRA_7_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_8
PWM_TMRA_8_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_9
PWM_TMRA_9_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_10
PWM_TMRA_10_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_11
PWM_TMRA_11_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMRA_12
PWM_TMRA_12_CONFIG,
#endif
};
static rt_uint32_t tmra_get_clk_notdiv(CM_TMRA_TypeDef *TMRAx)
{
rt_uint32_t u32clkFreq;
rt_uint32_t u32BusName;
#if defined(HC32F4A0)
switch ((rt_uint32_t)TMRAx)
{
case (rt_uint32_t)CM_TMRA_1:
case (rt_uint32_t)CM_TMRA_2:
case (rt_uint32_t)CM_TMRA_3:
case (rt_uint32_t)CM_TMRA_4:
u32BusName = CLK_BUS_PCLK0;
break;
default:
u32BusName = CLK_BUS_PCLK1; /* Uint5-12 */
break;
}
#elif defined(HC32F460)
u32BusName = CLK_BUS_PCLK1;
#endif
u32clkFreq = CLK_GetBusClockFreq(u32BusName);
return (u32clkFreq ? u32clkFreq : HCLK_VALUE);
}
static rt_uint32_t tmra_get_clk_bydiv(CM_TMRA_TypeDef *TMRAx)
{
rt_uint32_t u32clkFreq;
uint16_t u16Div;
u32clkFreq = tmra_get_clk_notdiv(TMRAx);
u16Div = (READ_REG16(TMRAx->BCSTRL) & TMRA_BCSTRL_CKDIV);
switch (u16Div)
{
case (TMRA_CLK_DIV1):
break;
case (TMRA_CLK_DIV2):
u32clkFreq /= 2;
break;
case (TMRA_CLK_DIV4):
u32clkFreq /= 4;
break;
case (TMRA_CLK_DIV8):
u32clkFreq /= 8;
break;
case (TMRA_CLK_DIV16):
u32clkFreq /= 16;
break;
case (TMRA_CLK_DIV32):
u32clkFreq /= 32;
break;
case (TMRA_CLK_DIV64):
u32clkFreq /= 64;
break;
case (TMRA_CLK_DIV128):
u32clkFreq /= 128;
break;
case (TMRA_CLK_DIV256):
u32clkFreq /= 256;
break;
case (TMRA_CLK_DIV512):
u32clkFreq /= 512;
break;
case (TMRA_CLK_DIV1024):
u32clkFreq /= 1024;
break;
default:
break;
}
return u32clkFreq;
}
static void tmra_duyt100or0_output(CM_TMRA_TypeDef *TMRAx, uint32_t channel, uint32_t CompareValue)
{
if ((TMRA_GetPeriodValue(TMRAx) + 1) == CompareValue)
{
TMRA_PWM_SetForcePolarity(TMRAx, channel, TMRA_PWM_FORCE_HIGH);
}
else if (CompareValue <= 1)
{
TMRA_PWM_SetForcePolarity(TMRAx, channel, TMRA_PWM_FORCE_LOW);
}
else
{
TMRA_PWM_SetForcePolarity(TMRAx, (channel), TMRA_PWM_FORCE_INVD);
}
}
static rt_err_t tmra_pwm_enable(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration, rt_bool_t enable)
{
struct hc32_pwm_tmra *pwm = (struct hc32_pwm_tmra *)device;
CM_TMRA_TypeDef *TMRAx = pwm->instance;
rt_uint32_t compare_value = TMRA_GetCompareValue(TMRAx, configuration->channel) + 1;
if (configuration->complementary)
{
return -RT_EPERM;
}
tmra_duyt100or0_output(TMRAx, configuration->channel, compare_value);
if (enable)
{
TMRA_PWM_OutputCmd(TMRAx, configuration->channel, ENABLE);
}
else
{
TMRA_PWM_OutputCmd(TMRAx, configuration->channel, DISABLE);
}
return RT_EOK;
}
static rt_err_t tmra_pwm_get(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
rt_uint32_t u32clkFreq;
struct hc32_pwm_tmra *pwm = (struct hc32_pwm_tmra *)device;
CM_TMRA_TypeDef *TMRAx = pwm->instance;
u32clkFreq = tmra_get_clk_bydiv(TMRAx);
configuration->period = (rt_uint64_t)1000000000UL * (TMRA_GetPeriodValue(TMRAx) + 1) / u32clkFreq;
configuration->pulse = (rt_uint64_t)1000000000UL * (TMRA_GetCompareValue(TMRAx, configuration->channel) + 1) / u32clkFreq;
return RT_EOK;
}
static rt_uint32_t tmra_auto_set_div(CM_TMRA_TypeDef *TMRAx, uint32_t period)
{
rt_uint8_t i;
rt_uint32_t u32clkFreq, division;
rt_uint64_t period_value;
u32clkFreq = tmra_get_clk_notdiv(TMRAx);
period_value = (rt_uint64_t)period * u32clkFreq / (rt_uint64_t)1000000000UL;
if (!period_value)
{
return 0;
}
division = period_value / 0xFFFF + 1;
for (i = 0; i <= 10; i++)
{
if (division == 1)
{
break;
}
division = division / 2 + division % 2;
}
if (i > 10)
{
return 0;
}
TMRA_SetClockDiv(TMRAx, i << TMRA_BCSTRL_CKDIV_POS);
u32clkFreq = tmra_get_clk_bydiv(TMRAx);
return u32clkFreq;
}
static rt_err_t tmra_pwm_set_period(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
rt_uint32_t u32clkFreq;
rt_uint32_t period_value, compare_value;
rt_uint32_t *compare_value_channelx = (rt_uint32_t *)device->parent.user_data;
struct hc32_pwm_tmra *pwm = (struct hc32_pwm_tmra *)device;
CM_TMRA_TypeDef *TMRAx = pwm->instance;
/* if need to modify the clock division */
u32clkFreq = tmra_auto_set_div(TMRAx, configuration->period);
if (!u32clkFreq)
{
return -RT_ERROR;
}
period_value = configuration->period * (rt_uint64_t)u32clkFreq / (rt_uint64_t)1000000000;
period_value = period_value > 1 ? period_value - 1 : 1;
TMRA_SetPeriodValue(TMRAx, period_value);
/* setting PeriodValue maybe change the div,so we need to recalculate the CompareValue */
for (rt_uint32_t i = 0; i < TMRA_CHANNEL_NUM_MAX; i++)
{
if (pwm->channel & (0x01UL << i))
{
compare_value = (*(compare_value_channelx + i)) * (rt_uint64_t)u32clkFreq / (rt_uint64_t)1000000000;
compare_value = compare_value >= period_value ? period_value : compare_value > 1 ? compare_value - 1 : compare_value;
TMRA_SetCompareValue(TMRAx, i, compare_value);
tmra_duyt100or0_output(TMRAx, i, compare_value + 1);
}
}
return RT_EOK;
}
static rt_err_t tmra_pwm_set_pulse(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
rt_uint32_t u32clkFreq;
rt_uint32_t compare_value, period_value;
rt_uint32_t *compare_value_channel = (rt_uint32_t *)device->parent.user_data;
struct hc32_pwm_tmra *pwm = (struct hc32_pwm_tmra *)device;
CM_TMRA_TypeDef *TMRAx = pwm->instance;
u32clkFreq = tmra_get_clk_bydiv(TMRAx);
period_value = TMRA_GetPeriodValue(TMRAx) + 1;
compare_value = configuration->pulse * (rt_uint64_t)u32clkFreq / (rt_uint64_t)1000000000;
compare_value = compare_value > period_value ? period_value - 1 : compare_value > 1 ? compare_value - 1 : compare_value;
TMRA_SetCompareValue(TMRAx, configuration->channel, compare_value);
tmra_duyt100or0_output(TMRAx, configuration->channel, compare_value + 1);
*(compare_value_channel + configuration->channel) = configuration->pulse;
return RT_EOK;
}
static rt_err_t tmra_pwm_set(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
tmra_pwm_set_period(device, configuration);
tmra_pwm_set_pulse(device, configuration);
return RT_EOK;
}
static rt_err_t pwm_tmra_init(struct hc32_pwm_tmra *device)
{
CM_TMRA_TypeDef *TMRAx;
uint32_t i;
RT_ASSERT(device != RT_NULL);
TMRAx = device->instance;
TMRA_Init(TMRAx, &device->stcTmraInit);
for (i = 0; i < TMRA_CHANNEL_NUM_MAX; i++)
{
if ((device->channel >> i) & 0x01)
{
TMRA_PWM_Init(TMRAx, i, &device->stcPwmInit);
}
}
TMRA_Start(TMRAx);
return RT_EOK;
}
static void pwm_tmra_get_channel(void)
{
#ifdef BSP_USING_PWM_TMRA_1
#ifdef BSP_USING_PWM_TMRA_1_CH1
g_pwm_tmra_array[PWM_TMRA_1_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_1_CH2
g_pwm_tmra_array[PWM_TMRA_1_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_1_CH3
g_pwm_tmra_array[PWM_TMRA_1_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_1_CH4
g_pwm_tmra_array[PWM_TMRA_1_INDEX].channel |= (1 << 3);
#endif
#ifdef BSP_USING_PWM_TMRA_1_CH5
g_pwm_tmra_array[PWM_TMRA_1_INDEX].channel |= (1 << 4);
#endif
#ifdef BSP_USING_PWM_TMRA_1_CH6
g_pwm_tmra_array[PWM_TMRA_1_INDEX].channel |= (1 << 5);
#endif
#ifdef BSP_USING_PWM_TMRA_1_CH7
g_pwm_tmra_array[PWM_TMRA_1_INDEX].channel |= (1 << 6);
#endif
#ifdef BSP_USING_PWM_TMRA_1_CH8
g_pwm_tmra_array[PWM_TMRA_1_INDEX].channel |= (1 << 7);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_2
#ifdef BSP_USING_PWM_TMRA_2_CH1
g_pwm_tmra_array[PWM_TMRA_2_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_2_CH2
g_pwm_tmra_array[PWM_TMRA_2_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_2_CH3
g_pwm_tmra_array[PWM_TMRA_2_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_2_CH4
g_pwm_tmra_array[PWM_TMRA_2_INDEX].channel |= (1 << 3);
#endif
#ifdef BSP_USING_PWM_TMRA_2_CH5
g_pwm_tmra_array[PWM_TMRA_2_INDEX].channel |= (1 << 4);
#endif
#ifdef BSP_USING_PWM_TMRA_2_CH6
g_pwm_tmra_array[PWM_TMRA_2_INDEX].channel |= (1 << 5);
#endif
#ifdef BSP_USING_PWM_TMRA_2_CH7
g_pwm_tmra_array[PWM_TMRA_2_INDEX].channel |= (1 << 6);
#endif
#ifdef BSP_USING_PWM_TMRA_2_CH8
g_pwm_tmra_array[PWM_TMRA_2_INDEX].channel |= (1 << 7);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_3
#ifdef BSP_USING_PWM_TMRA_3_CH1
g_pwm_tmra_array[PWM_TMRA_3_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_3_CH2
g_pwm_tmra_array[PWM_TMRA_3_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_3_CH3
g_pwm_tmra_array[PWM_TMRA_3_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_3_CH4
g_pwm_tmra_array[PWM_TMRA_3_INDEX].channel |= (1 << 3);
#endif
#ifdef BSP_USING_PWM_TMRA_3_CH5
g_pwm_tmra_array[PWM_TMRA_3_INDEX].channel |= (1 << 4);
#endif
#ifdef BSP_USING_PWM_TMRA_3_CH6
g_pwm_tmra_array[PWM_TMRA_3_INDEX].channel |= (1 << 5);
#endif
#ifdef BSP_USING_PWM_TMRA_3_CH7
g_pwm_tmra_array[PWM_TMRA_3_INDEX].channel |= (1 << 6);
#endif
#ifdef BSP_USING_PWM_TMRA_3_CH8
g_pwm_tmra_array[PWM_TMRA_3_INDEX].channel |= (1 << 7);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_4
#ifdef BSP_USING_PWM_TMRA_4_CH1
g_pwm_tmra_array[PWM_TMRA_4_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_4_CH2
g_pwm_tmra_array[PWM_TMRA_4_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_4_CH3
g_pwm_tmra_array[PWM_TMRA_4_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_4_CH4
g_pwm_tmra_array[PWM_TMRA_4_INDEX].channel |= (1 << 3);
#endif
#ifdef BSP_USING_PWM_TMRA_4_CH5
g_pwm_tmra_array[PWM_TMRA_4_INDEX].channel |= (1 << 4);
#endif
#ifdef BSP_USING_PWM_TMRA_4_CH6
g_pwm_tmra_array[PWM_TMRA_4_INDEX].channel |= (1 << 5);
#endif
#ifdef BSP_USING_PWM_TMRA_4_CH7
g_pwm_tmra_array[PWM_TMRA_4_INDEX].channel |= (1 << 6);
#endif
#ifdef BSP_USING_PWM_TMRA_4_CH8
g_pwm_tmra_array[PWM_TMRA_4_INDEX].channel |= (1 << 7);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_5
#ifdef BSP_USING_PWM_TMRA_5_CH1
g_pwm_tmra_array[PWM_TMRA_5_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_5_CH2
g_pwm_tmra_array[PWM_TMRA_5_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_5_CH3
g_pwm_tmra_array[PWM_TMRA_5_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_5_CH4
g_pwm_tmra_array[PWM_TMRA_5_INDEX].channel |= (1 << 3);
#endif
#ifdef BSP_USING_PWM_TMRA_5_CH5
g_pwm_tmra_array[PWM_TMRA_5_INDEX].channel |= (1 << 4);
#endif
#ifdef BSP_USING_PWM_TMRA_5_CH6
g_pwm_tmra_array[PWM_TMRA_5_INDEX].channel |= (1 << 5);
#endif
#ifdef BSP_USING_PWM_TMRA_5_CH7
g_pwm_tmra_array[PWM_TMRA_5_INDEX].channel |= (1 << 6);
#endif
#ifdef BSP_USING_PWM_TMRA_5_CH8
g_pwm_tmra_array[PWM_TMRA_5_INDEX].channel |= (1 << 7);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_6
#ifdef BSP_USING_PWM_TMRA_6_CH1
g_pwm_tmra_array[PWM_TMRA_6_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_6_CH2
g_pwm_tmra_array[PWM_TMRA_6_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_6_CH3
g_pwm_tmra_array[PWM_TMRA_6_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_6_CH4
g_pwm_tmra_array[PWM_TMRA_6_INDEX].channel |= (1 << 3);
#endif
#ifdef BSP_USING_PWM_TMRA_6_CH5
g_pwm_tmra_array[PWM_TMRA_6_INDEX].channel |= (1 << 4);
#endif
#ifdef BSP_USING_PWM_TMRA_6_CH6
g_pwm_tmra_array[PWM_TMRA_6_INDEX].channel |= (1 << 5);
#endif
#ifdef BSP_USING_PWM_TMRA_6_CH7
g_pwm_tmra_array[PWM_TMRA_6_INDEX].channel |= (1 << 6);
#endif
#ifdef BSP_USING_PWM_TMRA_6_CH8
g_pwm_tmra_array[PWM_TMRA_6_INDEX].channel |= (1 << 7);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_7
#ifdef BSP_USING_PWM_TMRA_7_CH1
g_pwm_tmra_array[PWM_TMRA_7_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_7_CH2
g_pwm_tmra_array[PWM_TMRA_7_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_7_CH3
g_pwm_tmra_array[PWM_TMRA_7_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_7_CH4
g_pwm_tmra_array[PWM_TMRA_7_INDEX].channel |= (1 << 3);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_8
#ifdef BSP_USING_PWM_TMRA_8_CH1
g_pwm_tmra_array[PWM_TMRA_8_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_8_CH2
g_pwm_tmra_array[PWM_TMRA_8_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_8_CH3
g_pwm_tmra_array[PWM_TMRA_8_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_8_CH4
g_pwm_tmra_array[PWM_TMRA_8_INDEX].channel |= (1 << 3);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_9
#ifdef BSP_USING_PWM_TMRA_9_CH1
g_pwm_tmra_array[PWM_TMRA_9_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_9_CH2
g_pwm_tmra_array[PWM_TMRA_9_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_9_CH3
g_pwm_tmra_array[PWM_TMRA_9_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_9_CH4
g_pwm_tmra_array[PWM_TMRA_9_INDEX].channel |= (1 << 3);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_10
#ifdef BSP_USING_PWM_TMRA_10_CH1
g_pwm_tmra_array[PWM_TMRA_10_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_10_CH2
g_pwm_tmra_array[PWM_TMRA_10_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_10_CH3
g_pwm_tmra_array[PWM_TMRA_10_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_10_CH4
g_pwm_tmra_array[PWM_TMRA_10_INDEX].channel |= (1 << 3);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_11
#ifdef BSP_USING_PWM_TMRA_11_CH1
g_pwm_tmra_array[PWM_TMRA_11_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_11_CH2
g_pwm_tmra_array[PWM_TMRA_11_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_11_CH3
g_pwm_tmra_array[PWM_TMRA_11_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_11_CH4
g_pwm_tmra_array[PWM_TMRA_11_INDEX].channel |= (1 << 3);
#endif
#endif
#ifdef BSP_USING_PWM_TMRA_12
#ifdef BSP_USING_PWM_TMRA_12_CH1
g_pwm_tmra_array[PWM_TMRA_12_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMRA_12_CH2
g_pwm_tmra_array[PWM_TMRA_12_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMRA_12_CH3
g_pwm_tmra_array[PWM_TMRA_12_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMRA_12_CH4
g_pwm_tmra_array[PWM_TMRA_12_INDEX].channel |= (1 << 3);
#endif
#endif
}
static void enable_tmra_unit_clk(void)
{
#ifdef BSP_USING_PWM_TMRA_1
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_1, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_2
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_2, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_3
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_3, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_4
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_4, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_5
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_5, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_6
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_6, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_7
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_7, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_8
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_8, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_9
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_9, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_10
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_10, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_11
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_11, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMRA_12
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMRA_12, ENABLE);
#endif
}
static rt_err_t _tmra_pwm_control(struct rt_device_pwm *device, int cmd, void *arg)
{
struct rt_pwm_configuration *configuration = (struct rt_pwm_configuration *)arg;
if (!configuration->channel) return -RT_EINVAL;
configuration->channel = (configuration->channel - 1) % TMRA_CHANNEL_NUM_MAX;
switch (cmd)
{
case PWM_CMD_ENABLE:
return tmra_pwm_enable(device, configuration, RT_TRUE);
case PWM_CMD_DISABLE:
return tmra_pwm_enable(device, configuration, RT_FALSE);
case PWM_CMD_SET:
return tmra_pwm_set(device, configuration);
case PWM_CMD_GET:
return tmra_pwm_get(device, configuration);
case PWM_CMD_SET_PERIOD:
return tmra_pwm_set_period(device, configuration);
case PWM_CMD_SET_PULSE:
return tmra_pwm_set_pulse(device, configuration);
default:
return -RT_EINVAL;
}
}
static struct rt_pwm_ops _tmra_ops =
{
_tmra_pwm_control
};
#endif /* BSP_USING_PWM_TMRA */
#if defined(BSP_USING_PWM_TMR4)
#define TMR4_CHANNEL_NUM_MAX 6U
enum
{
#ifdef BSP_USING_PWM_TMR4_1
PWM_TMR4_1_INDEX,
#endif
#ifdef BSP_USING_PWM_TMR4_2
PWM_TMR4_2_INDEX,
#endif
#ifdef BSP_USING_PWM_TMR4_3
PWM_TMR4_3_INDEX,
#endif
PWM_TMR4_UNIT_NUM,
};
struct hc32_pwm_tmr4
{
struct rt_device_pwm pwm_device;
char *name;
CM_TMR4_TypeDef *instance;
rt_uint32_t channel;
rt_uint32_t PeriodValue;
rt_uint32_t CompareValue[TMR4_CHANNEL_NUM_MAX];
stc_tmr4_init_t stcTmr4Init;
stc_tmr4_oc_init_t stcTmr4OcInit;
stc_tmr4_pwm_init_t stcTmr4PwmInit;
};
static struct hc32_pwm_tmr4 g_pwm_tmr4_array[] =
{
#ifdef BSP_USING_PWM_TMR4_1
PWM_TMR4_1_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMR4_2
PWM_TMR4_2_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMR4_3
PWM_TMR4_3_CONFIG,
#endif
};
static rt_uint32_t tmr4_get_clk_notdiv(CM_TMR4_TypeDef *TMR4x)
{
rt_uint32_t u32clkFreq;
switch ((rt_uint32_t)TMR4x)
{
case (rt_uint32_t)CM_TMR4_1:
case (rt_uint32_t)CM_TMR4_2:
case (rt_uint32_t)CM_TMR4_3:
#if defined(HC32F4A0)
u32clkFreq = CLK_GetBusClockFreq(CLK_BUS_PCLK0);
#elif defined(HC32F460)
u32clkFreq = CLK_GetBusClockFreq(CLK_BUS_PCLK1);
#endif
break;
default:
break;
}
return (u32clkFreq ? u32clkFreq : HCLK_VALUE);
}
static rt_uint32_t tmr4_get_clk_bydiv(CM_TMR4_TypeDef *TMR4x)
{
rt_uint32_t u32clkFreq;
uint16_t u16Div;
u32clkFreq = tmr4_get_clk_notdiv(TMR4x);
u16Div = (READ_REG16(TMR4x->CCSR) & TMR4_CCSR_CKDIV);
switch (u16Div)
{
case (TMR4_CLK_DIV1):
break;
case (TMR4_CLK_DIV2):
u32clkFreq /= 2;
break;
case (TMR4_CLK_DIV4):
u32clkFreq /= 4;
break;
case (TMR4_CLK_DIV8):
u32clkFreq /= 8;
break;
case (TMR4_CLK_DIV16):
u32clkFreq /= 16;
break;
case (TMR4_CLK_DIV32):
u32clkFreq /= 32;
break;
case (TMR4_CLK_DIV64):
u32clkFreq /= 64;
break;
case (TMR4_CLK_DIV128):
u32clkFreq /= 128;
break;
case (TMR4_CLK_DIV256):
u32clkFreq /= 256;
break;
case (TMR4_CLK_DIV512):
u32clkFreq /= 512;
break;
case (TMR4_CLK_DIV1024):
u32clkFreq /= 1024;
break;
default:
break;
}
return u32clkFreq;
}
static rt_err_t tmr4_pwm_enable(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration, rt_bool_t enable)
{
struct hc32_pwm_tmr4 *pwm = (struct hc32_pwm_tmr4 *)device;
CM_TMR4_TypeDef *TMR4x = pwm->instance;
if (configuration->complementary)
{
return -RT_EPERM;
}
if (enable)
{
TMR4_OC_Cmd(TMR4x, configuration->channel, ENABLE);
}
else
{
TMR4_OC_Cmd(TMR4x, configuration->channel, DISABLE);
}
return RT_EOK;
}
static rt_err_t tmr4_pwm_get(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
rt_uint32_t u32clkFreq;
struct hc32_pwm_tmr4 *pwm = (struct hc32_pwm_tmr4 *)device;
CM_TMR4_TypeDef *TMR4x = pwm->instance;
u32clkFreq = tmr4_get_clk_bydiv(TMR4x);
configuration->period = (rt_uint64_t)1000000000UL * (TMR4_GetPeriodValue(TMR4x) + 1) / u32clkFreq;
configuration->pulse = (rt_uint64_t)1000000000UL * (TMR4_OC_GetCompareValue(TMR4x, configuration->channel) + 1) / u32clkFreq;
return RT_EOK;
}
static rt_uint32_t tmr4_auto_set_div(CM_TMR4_TypeDef *TMR4x, uint32_t period)
{
rt_uint8_t i;
rt_uint32_t u32clkFreq, division;
rt_uint64_t period_value;
u32clkFreq = tmr4_get_clk_notdiv(TMR4x);
period_value = (rt_uint64_t)period * u32clkFreq / (rt_uint64_t)1000000000UL;
if (!period_value)
{
return 0;
}
division = period_value / 0xFFFF + 1;
for (i = 0; i <= 10; i++)
{
if (division == 1)
{
break;
}
division = division / 2 + division % 2;
}
if (i > 10)
{
return 0;
}
TMR4_SetClockDiv(TMR4x, i << TMR4_CCSR_CKDIV_POS);
u32clkFreq = tmr4_get_clk_bydiv(TMR4x);
return u32clkFreq;
}
static rt_err_t tmr4_pwm_set_period(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
rt_uint32_t u32clkFreq;
rt_uint32_t period_value, compare_value;
rt_uint32_t *compare_value_channelx = (rt_uint32_t *)device->parent.user_data;
struct hc32_pwm_tmr4 *pwm = (struct hc32_pwm_tmr4 *)device;
CM_TMR4_TypeDef *TMR4x = pwm->instance;
u32clkFreq = tmr4_auto_set_div(TMR4x, configuration->period);
if (!u32clkFreq)
{
return -RT_ERROR;
}
period_value = configuration->period * (rt_uint64_t)u32clkFreq / (rt_uint64_t)1000000000;
period_value = period_value > 1 ? period_value - 1 : 1;
TMR4_SetPeriodValue(TMR4x, period_value);
for (rt_uint32_t i = 0; i < TMR4_CHANNEL_NUM_MAX; i++)
{
if (pwm->channel & (0x01UL << i))
{
compare_value = (*(compare_value_channelx + i)) * (rt_uint64_t)u32clkFreq / (rt_uint64_t)1000000000;
compare_value = compare_value >= period_value ? period_value : compare_value > 1 ? compare_value - 1 : compare_value;
TMR4_OC_SetCompareValue(TMR4x, i, compare_value);
}
}
return RT_EOK;
}
static void tmr4_pwm_set_cmpmode(CM_TMR4_TypeDef *TMR4x, uint32_t channel)
{
un_tmr4_oc_ocmrh_t unTmr4OcOcmrh;
un_tmr4_oc_ocmrl_t unTmr4OcOcmrl;
uint32_t ch = channel % TMR4_CHANNEL_NUM_MAX;
if (ch % 2)
{
/* TMR4 OC low channel: compare mode OCMR[31:0] 0x4A60 4A6F = b 0100 1010 0110 0000 0100 1010 0110 1111 */
unTmr4OcOcmrl.OCMRx = 0x4A604A6FU;
TMR4_OC_SetLowChCompareMode(TMR4x, ch, unTmr4OcOcmrl);
}
else
{
/* TMR4 OC high channel: compare mode OCMR[15:0] = 0x4A6F = b 0100 1010 0110 1111 */
unTmr4OcOcmrh.OCMRx = 0x4A6F;
TMR4_OC_SetHighChCompareMode(TMR4x, ch, unTmr4OcOcmrh);
}
}
static rt_err_t tmr4_pwm_set_pulse(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
rt_uint32_t u32clkFreq;
rt_uint32_t compare_value, period_value;
rt_uint32_t *compare_value_channelx = (rt_uint32_t *)device->parent.user_data;
struct hc32_pwm_tmr4 *pwm = (struct hc32_pwm_tmr4 *)device;
CM_TMR4_TypeDef *TMR4x = pwm->instance;
u32clkFreq = tmr4_get_clk_bydiv(TMR4x);
period_value = TMR4_GetPeriodValue(TMR4x) + 1;
compare_value = (rt_uint64_t)configuration->pulse * u32clkFreq / (rt_uint64_t)1000000000;;
compare_value = compare_value > period_value ? period_value - 1 : compare_value > 1 ? compare_value - 1 : compare_value;
TMR4_OC_SetCompareValue(TMR4x, configuration->channel, compare_value);
*(compare_value_channelx + configuration->channel) = configuration->pulse;
return RT_EOK;
}
static rt_err_t tmr4_pwm_set(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
tmr4_pwm_set_period(device, configuration);
tmr4_pwm_set_pulse(device, configuration);
return RT_EOK;
}
static void enable_tmr4_unit_clk(void)
{
#ifdef BSP_USING_PWM_TMR4_1
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR4_1, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMR4_2
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR4_2, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMR4_3
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR4_3, ENABLE);
#endif
}
static rt_err_t pwm_tmr4_init(struct hc32_pwm_tmr4 *device)
{
CM_TMR4_TypeDef *TMR4x;
uint32_t i;
RT_ASSERT(device != RT_NULL);
TMR4x = device->instance;
TMR4_Init(TMR4x, &device->stcTmr4Init);
for (i = 0; i < TMR4_CHANNEL_NUM_MAX; i++)
{
if ((device->channel >> i) & 0x01)
{
TMR4_OC_Init(TMR4x, i, &device->stcTmr4OcInit);
TMR4_PWM_Init(TMR4x, (i >> 1), &device->stcTmr4PwmInit);
#if defined(HC32F4A0)
TMR4_PWM_SetPortOutputMode(TMR4x, i, TMR4_PWM_PIN_OUTPUT_NORMAL);
#endif
tmr4_pwm_set_cmpmode(TMR4x, i);
}
}
#if defined(HC32F4A0)
TMR4_PWM_MainOutputCmd(TMR4x, ENABLE);
#endif
TMR4_Start(TMR4x);
return RT_EOK;
}
static void pwm_tmr4_get_channel(void)
{
#ifdef BSP_USING_PWM_TMR4_1
#ifdef BSP_USING_PWM_TMR4_1_OUH
g_pwm_tmr4_array[PWM_TMR4_1_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR4_1_OUL
g_pwm_tmr4_array[PWM_TMR4_1_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMR4_1_OVH
g_pwm_tmr4_array[PWM_TMR4_1_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMR4_1_OVL
g_pwm_tmr4_array[PWM_TMR4_1_INDEX].channel |= (1 << 3);
#endif
#ifdef BSP_USING_PWM_TMR4_1_OWH
g_pwm_tmr4_array[PWM_TMR4_1_INDEX].channel |= (1 << 4);
#endif
#ifdef BSP_USING_PWM_TMR4_1_OWL
g_pwm_tmr4_array[PWM_TMR4_1_INDEX].channel |= (1 << 5);
#endif
#endif
#ifdef BSP_USING_PWM_TMR4_2
#ifdef BSP_USING_PWM_TMR4_2_OUH
g_pwm_tmr4_array[PWM_TMR4_2_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR4_2_OUL
g_pwm_tmr4_array[PWM_TMR4_2_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMR4_2_OVH
g_pwm_tmr4_array[PWM_TMR4_2_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMR4_2_OVL
g_pwm_tmr4_array[PWM_TMR4_2_INDEX].channel |= (1 << 3);
#endif
#ifdef BSP_USING_PWM_TMR4_2_OWH
g_pwm_tmr4_array[PWM_TMR4_2_INDEX].channel |= (1 << 4);
#endif
#ifdef BSP_USING_PWM_TMR4_2_OWL
g_pwm_tmr4_array[PWM_TMR4_2_INDEX].channel |= (1 << 5);
#endif
#endif
#ifdef BSP_USING_PWM_TMR4_3
#ifdef BSP_USING_PWM_TMR4_3_OUH
g_pwm_tmr4_array[PWM_TMR4_3_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR4_3_OUL
g_pwm_tmr4_array[PWM_TMR4_3_INDEX].channel |= (1 << 1);
#endif
#ifdef BSP_USING_PWM_TMR4_3_OVH
g_pwm_tmr4_array[PWM_TMR4_3_INDEX].channel |= (1 << 2);
#endif
#ifdef BSP_USING_PWM_TMR4_3_OVL
g_pwm_tmr4_array[PWM_TMR4_3_INDEX].channel |= (1 << 3);
#endif
#ifdef BSP_USING_PWM_TMR4_3_OWH
g_pwm_tmr4_array[PWM_TMR4_3_INDEX].channel |= (1 << 4);
#endif
#ifdef BSP_USING_PWM_TMR4_3_OWL
g_pwm_tmr4_array[PWM_TMR4_3_INDEX].channel |= (1 << 5);
#endif
#endif
}
static rt_err_t _tmr4_pwm_control(struct rt_device_pwm *device, int cmd, void *arg)
{
struct rt_pwm_configuration *configuration = (struct rt_pwm_configuration *)arg;
if (!configuration->channel) return -RT_EPERM;
configuration->channel = (configuration->channel - 1) % TMR4_CHANNEL_NUM_MAX;
switch (cmd)
{
case PWM_CMD_ENABLE:
return tmr4_pwm_enable(device, configuration, RT_TRUE);
case PWM_CMD_DISABLE:
return tmr4_pwm_enable(device, configuration, RT_FALSE);
case PWM_CMD_SET:
return tmr4_pwm_set(device, configuration);
case PWM_CMD_GET:
return tmr4_pwm_get(device, configuration);
case PWM_CMD_SET_PERIOD:
return tmr4_pwm_set_period(device, configuration);
case PWM_CMD_SET_PULSE:
return tmr4_pwm_set_pulse(device, configuration);
default:
return -RT_EINVAL;
}
}
static struct rt_pwm_ops _tmr4_ops =
{
_tmr4_pwm_control
};
#endif /* BSP_USING_PWM_TMR4 */
#if defined(BSP_USING_PWM_TMR6)
#define TMR6_CHANNEL_NUM_MAX 2U
enum
{
#ifdef BSP_USING_PWM_TMR6_1
PWM_TMR6_1_INDEX,
#endif
#ifdef BSP_USING_PWM_TMR6_2
PWM_TMR6_2_INDEX,
#endif
#ifdef BSP_USING_PWM_TMR6_3
PWM_TMR6_3_INDEX,
#endif
#ifdef BSP_USING_PWM_TMR6_4
PWM_TMR6_4_INDEX,
#endif
#ifdef BSP_USING_PWM_TMR6_5
PWM_TMR6_5_INDEX,
#endif
#ifdef BSP_USING_PWM_TMR6_6
PWM_TMR6_6_INDEX,
#endif
#ifdef BSP_USING_PWM_TMR6_7
PWM_TMR6_7_INDEX,
#endif
#ifdef BSP_USING_PWM_TMR6_8
PWM_TMR6_8_INDEX,
#endif
PWM_TMR6_UNIT_NUM,
};
struct hc32_pwm_tmr6
{
struct rt_device_pwm pwm_device;
char *name;
CM_TMR6_TypeDef *instance;
rt_uint32_t channel;
stc_tmr6_init_t stcTmr6Init;
stc_tmr6_pwm_init_t stcPwmInit[TMR6_CHANNEL_NUM_MAX];
rt_bool_t complementary[TMR6_CHANNEL_NUM_MAX];
};
static struct hc32_pwm_tmr6 g_pwm_tmr6_array[] =
{
#ifdef BSP_USING_PWM_TMR6_1
PWM_TMR6_1_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMR6_2
PWM_TMR6_2_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMR6_3
PWM_TMR6_3_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMR6_4
PWM_TMR6_4_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMR6_5
PWM_TMR6_5_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMR6_6
PWM_TMR6_6_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMR6_7
PWM_TMR6_7_CONFIG,
#endif
#ifdef BSP_USING_PWM_TMR6_8
PWM_TMR6_8_CONFIG,
#endif
};
static rt_uint32_t tmr6_get_clk_notdiv(CM_TMR6_TypeDef *TMR6x)
{
rt_uint32_t u32clkFreq;
switch ((rt_uint32_t)TMR6x)
{
case (rt_uint32_t)CM_TMR6_1:
case (rt_uint32_t)CM_TMR6_2:
case (rt_uint32_t)CM_TMR6_3:
#if defined(HC32F4A0)
case (rt_uint32_t)CM_TMR6_4:
case (rt_uint32_t)CM_TMR6_5:
case (rt_uint32_t)CM_TMR6_6:
case (rt_uint32_t)CM_TMR6_7:
case (rt_uint32_t)CM_TMR6_8:
#endif
u32clkFreq = CLK_GetBusClockFreq(CLK_BUS_PCLK0);
break;
default:
break;
}
return (u32clkFreq ? u32clkFreq : HCLK_VALUE);
}
static rt_uint32_t tmr6_get_clk_bydiv(CM_TMR6_TypeDef *TMR6x)
{
rt_uint32_t u32clkFreq;
uint16_t u16Div;
u32clkFreq = tmr6_get_clk_notdiv(TMR6x);
u16Div = (READ_REG16(TMR6x->GCONR) & TMR6_GCONR_CKDIV);
switch (u16Div)
{
case (TMR6_CLK_DIV1):
break;
case (TMR6_CLK_DIV2):
u32clkFreq /= 2;
break;
case (TMR6_CLK_DIV4):
u32clkFreq /= 4;
break;
case (TMR6_CLK_DIV8):
u32clkFreq /= 8;
break;
case (TMR6_CLK_DIV16):
u32clkFreq /= 16;
break;
case (TMR6_CLK_DIV64):
u32clkFreq /= 64;
break;
case (TMR6_CLK_DIV256):
u32clkFreq /= 256;
break;
case (TMR6_CLK_DIV1024):
u32clkFreq /= 1024;
break;
#if defined(HC32F4A0)
case (TMR6_CLK_DIV32):
u32clkFreq /= 32;
break;
case (TMR6_CLK_DIV128):
u32clkFreq /= 128;
break;
case (TMR6_CLK_DIV512):
u32clkFreq /= 512;
break;
#endif
default:
break;
}
return u32clkFreq;
}
static void tmr6_duyt100or0_output(CM_TMR6_TypeDef *TMR6x, rt_uint32_t channel, rt_uint32_t compare_value)
{
if (compare_value <= 1)
{
#if defined(HC32F4A0)
TMR6_PWM_SetPolarity(TMR6x, channel, TMR6_STAT_OVF, TMR6_PWM_LOW);
#elif defined(HC32F460)
TMR6_PWM_SetPolarity(TMR6x, TMR6_STAT_MATCH_PERIOD, TMR6_PWM_LOW);
#endif
}
else
{
#if defined(HC32F4A0)
TMR6_PWM_SetPolarity(TMR6x, channel, TMR6_STAT_OVF, TMR6_PWM_HIGH);
#elif defined(HC32F460)
TMR6_PWM_SetPolarity(TMR6x, TMR6_STAT_MATCH_PERIOD, TMR6_PWM_HIGH);
#endif
}
}
static rt_err_t tmr6_pwm_enable(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration, rt_bool_t enable)
{
rt_uint32_t compare_value;
struct hc32_pwm_tmr6 *pwm = (struct hc32_pwm_tmr6 *)device;
CM_TMR6_TypeDef *TMR6x = pwm->instance;
if (configuration->complementary)
{
return -RT_EPERM;
}
compare_value = TMR6_GetCompareValue(TMR6x, configuration->channel) + 1;
tmr6_duyt100or0_output(TMR6x, configuration->channel, compare_value);
if (enable)
{
TMR6_PWM_OutputCmd(TMR6x, configuration->channel, ENABLE);
}
else
{
TMR6_PWM_OutputCmd(TMR6x, configuration->channel, DISABLE);
}
return RT_EOK;
}
static rt_err_t tmr6_pwm_get(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
rt_uint32_t u32clkFreq;
struct hc32_pwm_tmr6 *pwm = (struct hc32_pwm_tmr6 *)device;
CM_TMR6_TypeDef *TMR6x = pwm->instance;
u32clkFreq = tmr6_get_clk_bydiv(TMR6x);
configuration->period = (rt_uint64_t)1000000000UL * (TMR6_GetPeriodValue(TMR6x, TMR6_PERIOD_REG_A) + 1) / u32clkFreq;
configuration->pulse = (rt_uint64_t)1000000000UL * (TMR6_GetCompareValue(TMR6x, configuration->channel) + 1) / u32clkFreq;
return RT_EOK;
}
static rt_uint32_t tmr6_auto_set_div(CM_TMR6_TypeDef *TMR6x, uint32_t period)
{
rt_uint8_t i;
rt_uint32_t u32clkFreq, division;
rt_uint64_t period_value;
u32clkFreq = tmr6_get_clk_notdiv(TMR6x);
period_value = (rt_uint64_t)period * u32clkFreq / (rt_uint64_t)1000000000UL;
if (!period_value)
{
return 0;
}
division = period_value / 0xFFFF + 1;
for (i = 0; i <= 10; i++)
{
if (division == 1)
{
break;
}
division = division / 2 + division % 2;
}
if (i > 10)
{
return 0;
}
TMR6_SetClockDiv(TMR6x, i << TMR6_GCONR_CKDIV_POS);
u32clkFreq = tmr6_get_clk_bydiv(TMR6x);
return u32clkFreq;
}
static rt_err_t tmr6_pwm_set_period(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
rt_uint8_t i;
rt_uint32_t compare_value, period_value;
stc_tmr6_pwm_init_t *pwm_init_t = (stc_tmr6_pwm_init_t *)device->parent.user_data;
struct hc32_pwm_tmr6 *pwm = (struct hc32_pwm_tmr6 *)device;
CM_TMR6_TypeDef *TMR6x = pwm->instance;
rt_uint32_t u32clkFreq = tmr6_auto_set_div(TMR6x, configuration->period);
if (!u32clkFreq)
{
return -RT_ERROR;
}
period_value = configuration->period * (rt_uint64_t)u32clkFreq / (rt_uint64_t)1000000000;
period_value = period_value > 1 ? period_value - 1 : 1;
TMR6_SetPeriodValue(TMR6x, TMR6_PERIOD_REG_A, period_value);
for (i = 0; i < TMR6_CHANNEL_NUM_MAX; i++)
{
if (pwm->channel & (0x01UL << i))
{
compare_value = (pwm_init_t + i)->u32CompareValue * (rt_uint64_t)u32clkFreq / (rt_uint64_t)1000000000;
compare_value = compare_value >= period_value ? period_value : compare_value > 1 ? compare_value - 1 : compare_value;
TMR6_SetCompareValue(TMR6x, i, compare_value);
tmr6_duyt100or0_output(TMR6x, i, compare_value + 1);
}
}
return RT_EOK;
}
static rt_err_t tmr6_pwm_set_pulse(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
rt_uint32_t u32clkFreq;
rt_uint32_t compare_value, period_value;
stc_tmr6_pwm_init_t *pwm_init_t = (stc_tmr6_pwm_init_t *)device->parent.user_data;
struct hc32_pwm_tmr6 *pwm = (struct hc32_pwm_tmr6 *)device;
CM_TMR6_TypeDef *TMR6x = pwm->instance;
u32clkFreq = tmr6_get_clk_bydiv(TMR6x);
period_value = TMR6_GetPeriodValue(TMR6x, TMR6_PERIOD_REG_A) + 1;
compare_value = configuration->pulse * (rt_uint64_t)u32clkFreq / (rt_uint64_t)1000000000;
compare_value = compare_value > period_value ? period_value - 1 : compare_value > 1 ? compare_value - 1 : compare_value;
TMR6_SetCompareValue(TMR6x, configuration->channel, compare_value);
tmr6_duyt100or0_output(TMR6x, configuration->channel, compare_value + 1);
(pwm_init_t + configuration->channel)->u32CompareValue = configuration->pulse;
return RT_EOK;
}
static rt_err_t tmr6_pwm_set(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
{
tmr6_pwm_set_period(device, configuration);
tmr6_pwm_set_pulse(device, configuration);
return RT_EOK;
}
static void enable_tmr6_unit_clk(void)
{
#ifdef BSP_USING_PWM_TMR6_1
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR6_1, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMR6_2
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR6_2, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMR6_3
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR6_3, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMR6_4
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR6_4, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMR6_5
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR6_5, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMR6_6
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR6_6, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMR6_7
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR6_7, ENABLE);
#endif
#ifdef BSP_USING_PWM_TMR6_8
FCG_Fcg2PeriphClockCmd(FCG2_PERIPH_TMR6_8, ENABLE);
#endif
}
static rt_err_t pwm_tmr6_init(struct hc32_pwm_tmr6 *device)
{
CM_TMR6_TypeDef *TMR6x;
uint32_t i;
RT_ASSERT(device != RT_NULL);
TMR6x = device->instance;
TMR6_Init(TMR6x, &device->stcTmr6Init);
for (i = 0; i < TMR6_CHANNEL_NUM_MAX; i++)
{
if ((device->channel >> i) & 0x01)
{
TMR6_PWM_Init(TMR6x, i, &device->stcPwmInit[i]);
}
}
TMR6_Start(TMR6x);
return RT_EOK;
}
static void pwm_tmr6_get_channel(void)
{
#ifdef BSP_USING_PWM_TMR6_1
#ifdef BSP_USING_PWM_TMR6_1_A
g_pwm_tmr6_array[PWM_TMR6_1_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR6_1_B
g_pwm_tmr6_array[PWM_TMR6_1_INDEX].channel |= (1 << 1);
#endif
#endif
#ifdef BSP_USING_PWM_TMR6_2
#ifdef BSP_USING_PWM_TMR6_2_A
g_pwm_tmr6_array[PWM_TMR6_2_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR6_2_B
g_pwm_tmr6_array[PWM_TMR6_2_INDEX].channel |= (1 << 1);
#endif
#endif
#ifdef BSP_USING_PWM_TMR6_3
#ifdef BSP_USING_PWM_TMR6_3_A
g_pwm_tmr6_array[PWM_TMR6_3_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR6_3_B
g_pwm_tmr6_array[PWM_TMR6_3_INDEX].channel |= (1 << 1);
#endif
#endif
#ifdef BSP_USING_PWM_TMR6_4
#ifdef BSP_USING_PWM_TMR6_4_A
g_pwm_tmr6_array[PWM_TMR6_4_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR6_4_B
g_pwm_tmr6_array[PWM_TMR6_4_INDEX].channel |= (1 << 1);
#endif
#endif
#ifdef BSP_USING_PWM_TMR6_5
#ifdef BSP_USING_PWM_TMR6_5_A
g_pwm_tmr6_array[PWM_TMR6_5_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR6_5_B
g_pwm_tmr6_array[PWM_TMR6_5_INDEX].channel |= (1 << 1);
#endif
#endif
#ifdef BSP_USING_PWM_TMR6_6
#ifdef BSP_USING_PWM_TMR6_6_A
g_pwm_tmr6_array[PWM_TMR6_6_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR6_6_B
g_pwm_tmr6_array[PWM_TMR6_6_INDEX].channel |= (1 << 1);
#endif
#endif
#ifdef BSP_USING_PWM_TMR6_7
#ifdef BSP_USING_PWM_TMR6_7_A
g_pwm_tmr6_array[PWM_TMR6_7_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR6_7_B
g_pwm_tmr6_array[PWM_TMR6_7_INDEX].channel |= (1 << 1);
#endif
#endif
#ifdef BSP_USING_PWM_TMR6_8
#ifdef BSP_USING_PWM_TMR6_8_A
g_pwm_tmr6_array[PWM_TMR6_8_INDEX].channel |= (1 << 0);
#endif
#ifdef BSP_USING_PWM_TMR6_8_B
g_pwm_tmr6_array[PWM_TMR6_8_INDEX].channel |= (1 << 1);
#endif
#endif
}
static rt_err_t _tmr6_pwm_control(struct rt_device_pwm *device, int cmd, void *arg)
{
struct rt_pwm_configuration *configuration = (struct rt_pwm_configuration *)arg;
if (!configuration->channel) return -RT_EINVAL;
configuration->channel = (configuration->channel - 1) % TMR6_CHANNEL_NUM_MAX;
switch (cmd)
{
case PWM_CMD_ENABLE:
return tmr6_pwm_enable(device, configuration, RT_TRUE);
case PWM_CMD_DISABLE:
return tmr6_pwm_enable(device, configuration, RT_FALSE);
case PWM_CMD_SET:
return tmr6_pwm_set(device, configuration);
case PWM_CMD_GET:
return tmr6_pwm_get(device, configuration);
case PWM_CMD_SET_PERIOD:
return tmr6_pwm_set_period(device, configuration);
case PWM_CMD_SET_PULSE:
return tmr6_pwm_set_pulse(device, configuration);
default:
return -RT_EINVAL;
}
}
static struct rt_pwm_ops _tmr6_ops =
{
_tmr6_pwm_control
};
#endif /* BSP_USING_PWM_TMR6 */
static int rt_hw_pwm_tmr_init(void)
{
int i = 0;
rt_err_t result = RT_EOK;
#if defined(BSP_USING_PWM_TMRA)
pwm_tmra_get_channel();
enable_tmra_unit_clk();
for (i = 0; i < sizeof(g_pwm_tmra_array) / sizeof(g_pwm_tmra_array[0]); i++)
{
/* pwm init */
pwm_tmra_init(&g_pwm_tmra_array[i]);
/* gpio init */
extern rt_err_t rt_hw_board_pwm_tmra_init(CM_TMRA_TypeDef * TMRAx);
rt_hw_board_pwm_tmra_init(g_pwm_tmra_array[i].instance);
/* register pwm device */
result = rt_device_pwm_register(&g_pwm_tmra_array[i].pwm_device, g_pwm_tmra_array[i].name, &_tmra_ops, &g_pwm_tmra_array[i].CompareValue[0]);
RT_ASSERT(result == RT_EOK);
}
#endif
#if defined(BSP_USING_PWM_TMR4)
pwm_tmr4_get_channel();
enable_tmr4_unit_clk();
for (i = 0; i < sizeof(g_pwm_tmr4_array) / sizeof(g_pwm_tmr4_array[0]); i++)
{
/* pwm init */
pwm_tmr4_init(&g_pwm_tmr4_array[i]);
/* gpio init */
extern rt_err_t rt_hw_board_pwm_tmr4_init(CM_TMR4_TypeDef * TMR4x);
rt_hw_board_pwm_tmr4_init(g_pwm_tmr4_array[i].instance);
/* register pwm device */
result = rt_device_pwm_register(&g_pwm_tmr4_array[i].pwm_device, g_pwm_tmr4_array[i].name, &_tmr4_ops, &g_pwm_tmr4_array[i].CompareValue[0]);
RT_ASSERT(result == RT_EOK);
}
#endif
#if defined(BSP_USING_PWM_TMR6)
pwm_tmr6_get_channel();
enable_tmr6_unit_clk();
for (i = 0; i < sizeof(g_pwm_tmr6_array) / sizeof(g_pwm_tmr6_array[0]); i++)
{
/* pwm init */
pwm_tmr6_init(&g_pwm_tmr6_array[i]);
/* gpio init */
extern rt_err_t rt_hw_board_pwm_tmr6_init(CM_TMR6_TypeDef * TMR6x);
rt_hw_board_pwm_tmr6_init(g_pwm_tmr6_array[i].instance);
/* register pwm device */
result = rt_device_pwm_register(&g_pwm_tmr6_array[i].pwm_device, g_pwm_tmr6_array[i].name, &_tmr6_ops, &g_pwm_tmr6_array[i].stcPwmInit[0]);
RT_ASSERT(result == RT_EOK);
}
#endif
return result;
}
INIT_DEVICE_EXPORT(rt_hw_pwm_tmr_init);
#endif /* BSP_USING_PWM */