diff options
| author | Xian Wu <[email protected]> | 2023-12-27 18:41:52 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2023-12-27 18:41:52 +0800 |
| commit | 6360253c129afcb91d34770cb253eea8d837e66a (patch) | |
| tree | 065167006028882ff4d57208252d1e0ce9f3b4e4 /bsp/synwit/libraries/SWM341_drivers/drv_adc.c | |
| parent | 7b4592c2d15bf90c1958bdbc840ea4df3d97cd96 (diff) | |
Synwit MCU 采用新的 BSP 框架,将 BSP 与 libraries 分离 (#8432)
Diffstat (limited to 'bsp/synwit/libraries/SWM341_drivers/drv_adc.c')
| -rw-r--r-- | bsp/synwit/libraries/SWM341_drivers/drv_adc.c | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/bsp/synwit/libraries/SWM341_drivers/drv_adc.c b/bsp/synwit/libraries/SWM341_drivers/drv_adc.c new file mode 100644 index 0000000000..1bd06ac20d --- /dev/null +++ b/bsp/synwit/libraries/SWM341_drivers/drv_adc.c @@ -0,0 +1,326 @@ +/* + * Copyright (c) 2006-2022, Synwit Technology Co.,Ltd. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2021-07-01 lik first version + */ + +#include "drv_adc.h" + +#ifdef RT_USING_ADC +#ifdef BSP_USING_ADC + +//#define DRV_DEBUG +#define LOG_TAG "drv.adc" +#include <drv_log.h> + +#if !defined(BSP_USING_ADC0) && !defined(BSP_USING_ADC1) +#error "Please define at least one BSP_USING_ADCx" +/* this driver can be disabled at menuconfig ? RT-Thread Components ? Device Drivers */ +#endif + +#ifdef BSP_USING_ADC0 +#ifndef ADC0_CFG +#define ADC0_CFG \ + { \ + .name = "adc0", \ + .ADCx = ADC0, \ + .ADC_initstruct.clk_src = ADC_CLKSRC_HRC_DIV8, \ + .ADC_initstruct.samplAvg = ADC_AVG_SAMPLE1, \ + .ADC_initstruct.EOC_IEn = 0, \ + .ADC_initstruct.HalfIEn = 0, \ + .ADC_SEQ_initstruct.trig_src = ADC_TRIGGER_SW, \ + .ADC_SEQ_initstruct.conv_cnt = 1, \ + .ADC_SEQ_initstruct.samp_tim = ADC_SAMPLE_1CLOCK, \ + } +#endif /* ADC0_CFG */ +#endif /* BSP_USING_ADC0 */ + +#ifdef BSP_USING_ADC1 +#ifndef ADC1_CFG +#define ADC1_CFG \ + { \ + .name = "adc1", \ + .ADCx = ADC1, \ + .ADC_initstruct.clk_src = ADC_CLKSRC_HRC_DIV8, \ + .ADC_initstruct.samplAvg = ADC_AVG_SAMPLE1, \ + .ADC_initstruct.EOC_IEn = 0, \ + .ADC_initstruct.HalfIEn = 0, \ + .ADC_SEQ_initstruct.trig_src = ADC_TRIGGER_SW, \ + .ADC_SEQ_initstruct.conv_cnt = 1, \ + .ADC_SEQ_initstruct.samp_tim = ADC_SAMPLE_1CLOCK, \ + } +#endif /* ADC1_CFG */ +#endif /* BSP_USING_ADC1 */ + +struct swm_adc_cfg +{ + const char *name; + ADC_TypeDef *ADCx; + ADC_InitStructure ADC_initstruct; + ADC_SEQ_InitStructure ADC_SEQ_initstruct; +}; + +struct swm_adc_device +{ + struct swm_adc_cfg *adc_cfg; + struct rt_adc_device adc_device; +}; + +static struct swm_adc_cfg swm_adc_cfg[] = + { +#ifdef BSP_USING_ADC0 + ADC0_CFG, +#endif +#ifdef BSP_USING_ADC1 + ADC1_CFG, +#endif +}; + +static struct swm_adc_device adc_obj[sizeof(swm_adc_cfg) / sizeof(swm_adc_cfg[0])]; + +static rt_uint32_t swm_adc_get_channel(rt_uint32_t channel) +{ + rt_uint32_t swm_channel = 0; + + switch (channel) + { + case 0: + swm_channel = ADC_CH0; + break; + case 1: + swm_channel = ADC_CH1; + break; + case 2: + swm_channel = ADC_CH2; + break; + case 3: + swm_channel = ADC_CH3; + break; + case 4: + swm_channel = ADC_CH4; + break; + case 5: + swm_channel = ADC_CH5; + break; + case 6: + swm_channel = ADC_CH6; + break; + case 7: + swm_channel = ADC_CH7; + break; + case 8: + swm_channel = ADC_CH8; + break; + case 9: + swm_channel = ADC_CH9; + break; + case 10: + swm_channel = ADC_CH10; + break; + case 11: + swm_channel = ADC_CH11; + break; + } + + return swm_channel; +} + +static rt_err_t swm_adc_enabled(struct rt_adc_device *adc_device, rt_uint32_t channel, rt_bool_t enabled) +{ + uint32_t adc_chn; + struct swm_adc_cfg *adc_cfg; + RT_ASSERT(adc_device != RT_NULL); + adc_cfg = adc_device->parent.user_data; + + if (channel < 12) + { + /* set swm ADC channel */ + adc_chn = swm_adc_get_channel(channel); + } + else + { + LOG_E("ADC channel must be between 0 and 11."); + return -RT_ERROR; + } + + if (enabled) + { + adc_cfg->ADCx->SEQCHN0 |= adc_chn; + } + else + { + adc_cfg->ADCx->SEQCHN0 &= ~adc_chn; + } + + return RT_EOK; +} + +static rt_err_t swm_adc_convert(struct rt_adc_device *adc_device, rt_uint32_t channel, rt_uint32_t *value) +{ + uint32_t chn, val, adc_chn; + struct swm_adc_cfg *adc_cfg; + RT_ASSERT(adc_device != RT_NULL); + RT_ASSERT(value != RT_NULL); + adc_cfg = adc_device->parent.user_data; + + if (channel < 12) + { + /* set swm ADC channel */ + adc_chn = swm_adc_get_channel(channel); + } + else + { + LOG_E("ADC channel must be between 0 and 11."); + return -RT_ERROR; + } + + *value = 0xFFFFFFFF; + + /* start ADC */ + ADC_Start(adc_cfg->ADCx, ADC_SEQ0); + + /* Wait for the ADC to convert */ + while (adc_cfg->ADCx->GO & ADC_GO_BUSY_Msk) + __NOP(); + while ((adc_cfg->ADCx->SEQ[0].SR & ADC_SR_EMPTY_Msk) == 0) + { + val = ADC_Read(adc_cfg->ADCx, ADC_SEQ0, &chn); + if (chn == adc_chn) + { + *value = val; + } + } + + if (*value == 0xFFFFFFFF) + { + LOG_E("ADC channel can not find."); + return -RT_ERROR; + } + + return RT_EOK; +} + +static const struct rt_adc_ops swm_adc_ops = + { + .enabled = swm_adc_enabled, + .convert = swm_adc_convert, +}; + +int swm_adc_init(void) +{ + int i = 0; + int result = RT_EOK; + + for (i = 0; i < sizeof(swm_adc_cfg) / sizeof(swm_adc_cfg[0]); i++) + { + /* ADC init */ + adc_obj[i].adc_cfg = &swm_adc_cfg[i]; + + if (adc_obj[i].adc_cfg->ADCx == ADC0) + { +#ifdef BSP_USING_ADC0_CHN0 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH0; + PORT_Init(PORTC, PIN6, PORTC_PIN6_ADC0_CH0, 0); //PC.6 => ADC.CH0 +#endif +#ifdef BSP_USING_ADC0_CHN1 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH1; + PORT_Init(PORTC, PIN5, PORTC_PIN5_ADC0_CH1, 0); //PC.5 => ADC.CH1 +#endif +#ifdef BSP_USING_ADC0_CHN2 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH2; + PORT_Init(PORTC, PIN4, PORTC_PIN4_ADC0_CH2, 0); //PC.4 => ADC.CH2 +#endif +#ifdef BSP_USING_ADC0_CHN3 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH3; + PORT_Init(PORTC, PIN3, PORTC_PIN3_ADC0_CH3, 0); //PC.3 => ADC.CH3 +#endif +#ifdef BSP_USING_ADC0_CHN4 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH4; + PORT_Init(PORTC, PIN2, PORTC_PIN2_ADC0_CH4, 0); //PC.2 => ADC.CH4 +#endif +#ifdef BSP_USING_ADC0_CHN5 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH5; + PORT_Init(PORTC, PIN1, PORTC_PIN1_ADC0_CH5, 0); //PC.1 => ADC.CH5 +#endif +#ifdef BSP_USING_ADC0_CHN6 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH6; + PORT_Init(PORTC, PIN0, PORTC_PIN0_ADC0_CH6, 0); //PC.0 => ADC.CH6 +#endif +#ifdef BSP_USING_ADC0_CHN7 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH7; + PORT_Init(PORTA, PIN15, PORTA_PIN15_ADC0_CH7, 0); //PA.15 => ADC.CH7 +#endif +#ifdef BSP_USING_ADC0_CHN8 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH8; + PORT_Init(PORTA, PIN14, PORTA_PIN14_ADC0_CH8, 0); //PA.14 => ADC.CH8 +#endif +#ifdef BSP_USING_ADC0_CHN9 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH9; + PORT_Init(PORTA, PIN13, PORTA_PIN13_ADC0_CH9, 0); //PA.13 => ADC.CH9 +#endif +#ifdef BSP_USING_ADC0_CHN10 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH10; + PORT_Init(PORTA, PIN12, PORTA_PIN12_ADC0_CH10, 0); //PA.12 => ADC.CH10 +#endif +#ifdef BSP_USING_ADC0_CHN11 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH11; + PORT_Init(PORTA, PIN10, PORTA_PIN10_ADC0_CH11, 0); //PA.10 => ADC.CH11 +#endif + } + else if (adc_obj[i].adc_cfg->ADCx == ADC1) + { +#ifdef BSP_USING_ADC1_CHN0 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH0; + PORT_Init(PORTD, PIN1, PORTD_PIN1_ADC1_CH0, 0); //PD.1 => ADC1.CH0 +#endif +#ifdef BSP_USING_ADC1_CHN1 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH1; + PORT_Init(PORTD, PIN0, PORTD_PIN0_ADC1_CH1, 0); //PD.0 => ADC1.CH1 +#endif +#ifdef BSP_USING_ADC1_CHN2 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH2; + PORT_Init(PORTC, PIN13, PORTC_PIN13_ADC1_CH2, 0); //PC.13 => ADC1.CH2 +#endif +#ifdef BSP_USING_ADC1_CHN3 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH3; + PORT_Init(PORTC, PIN12, PORTC_PIN12_ADC1_CH3, 0); //PC.12 => ADC1.CH3 +#endif +#ifdef BSP_USING_ADC1_CHN4 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH4; + PORT_Init(PORTC, PIN11, PORTC_PIN11_ADC1_CH4, 0); //PC.11 => ADC1.CH4 +#endif +#ifdef BSP_USING_ADC1_CHN5 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH5; + PORT_Init(PORTC, PIN10, PORTC_PIN10_ADC1_CH5, 0); //PC.10 => ADC1.CH5 +#endif +#ifdef BSP_USING_ADC1_CHN6 + adc_obj[i].adc_cfg->ADC_SEQ_initstruct.channels |= ADC_CH6; + PORT_Init(PORTC, PIN9, PORTC_PIN9_ADC1_CH6, 0); //PC.9 => ADC1.CH6 +#endif + } + + ADC_Init(adc_obj[i].adc_cfg->ADCx, &(adc_obj[i].adc_cfg->ADC_initstruct)); + ADC_SEQ_Init(adc_obj[i].adc_cfg->ADCx, ADC_SEQ0, &(adc_obj[i].adc_cfg->ADC_SEQ_initstruct)); + ADC_Open(adc_obj[i].adc_cfg->ADCx); + ADC_Calibrate(adc_obj[i].adc_cfg->ADCx); + + result = rt_hw_adc_register(&adc_obj[i].adc_device, adc_obj[i].adc_cfg->name, &swm_adc_ops, adc_obj[i].adc_cfg); + if(result != RT_EOK) + { + LOG_E("%s register fail.", adc_obj[i].adc_cfg->name); + } + else + { + LOG_D("%s register success.", adc_obj[i].adc_cfg->name); + } + } + + return result; +} +INIT_BOARD_EXPORT(swm_adc_init); +#endif /* BSP_USING_ADC */ +#endif /* RT_USING_ADC */ |
