summaryrefslogtreecommitdiff
path: root/bsp/synwit/libraries/SWM341_drivers/drv_adc.c
diff options
context:
space:
mode:
authorXian Wu <[email protected]>2023-12-27 18:41:52 +0800
committerGitHub <[email protected]>2023-12-27 18:41:52 +0800
commit6360253c129afcb91d34770cb253eea8d837e66a (patch)
tree065167006028882ff4d57208252d1e0ce9f3b4e4 /bsp/synwit/libraries/SWM341_drivers/drv_adc.c
parent7b4592c2d15bf90c1958bdbc840ea4df3d97cd96 (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.c326
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 */