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https://gitee.com/Lyon1998/pikapython.git
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70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
#include "PikaStdDevice_ADC.h"
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#include "BaseObj.h"
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#include "pika_hal.h"
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void PikaStdDevice_ADC_enable(PikaObj* self) {
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obj_runNativeMethod(self, "platformEnable", NULL);
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}
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void PikaStdDevice_ADC_disable(PikaObj* self) {
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obj_runNativeMethod(self, "platformDisable", NULL);
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}
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void PikaStdDevice_ADC_init(PikaObj* self) {
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obj_setStr(self, "pin", "PA0");
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}
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void PikaStdDevice_ADC___init__(PikaObj* self) {
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PikaStdDevice_ADC_init(self);
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}
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pika_float PikaStdDevice_ADC_read(PikaObj* self) {
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obj_runNativeMethod(self, "platformRead", NULL);
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return obj_getFloat(self, "val");
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}
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void PikaStdDevice_ADC_setPin(PikaObj* self, char* pin) {
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obj_setStr(self, "pin", pin);
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}
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static pika_dev* _get_dev(PikaObj* self) {
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pika_dev* dev = obj_getPtr(self, "pika_dev");
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if (NULL != dev) {
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return dev;
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}
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dev = pika_hal_open(PIKA_HAL_ADC, obj_getStr(self, "pin"));
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if (NULL == dev) {
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__platform_printf("Error: open ADC '%s' failed.\r\n",
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obj_getStr(self, "pin"));
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}
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obj_setPtr(self, "pika_dev", dev);
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return dev;
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}
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void PikaStdDevice_ADC_platformEnable(PikaObj* self) {
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pika_dev* dev = _get_dev(self);
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if (NULL == dev) {
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__platform_printf("Error: open ADC '%s' failed.\r\n",
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obj_getStr(self, "pin"));
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return;
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}
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pika_hal_ADC_config cfg = {0};
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cfg.continue_or_single = PIKA_HAL_ADC_SINGLE;
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pika_hal_ioctl(dev, PIKA_HAL_IOCTL_CONFIG, &cfg);
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pika_hal_ioctl(dev, PIKA_HAL_IOCTL_ENABLE);
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}
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void PikaStdDevice_ADC_platformDisable(PikaObj* self) {
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pika_dev* dev = _get_dev(self);
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pika_hal_ioctl(dev, PIKA_HAL_IOCTL_DISABLE);
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}
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void PikaStdDevice_ADC_platformRead(PikaObj* self) {
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pika_dev* dev = _get_dev(self);
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pika_hal_ADC_config* cfg = (pika_hal_ADC_config*)dev->ioctl_config;
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uint32_t val_i = 0;
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pika_hal_read(dev, &val_i, sizeof(val_i));
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pika_float val = (pika_float)val_i / (pika_float)cfg->max * cfg->vref;
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val = val_i * obj_setFloat(self, "val", val);
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}
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