chain40
31c691c7c5
1. 預設 spi2 為 mode 0, 當 ads8691 初始化完成後, 將 spi2 切為 mode 2 2. 承上, 所以 adc driver 要比 dac driver 更早初始化 3. 將來會將 spi mode 整合 spi transfer, 雖然週邊共用 spi 但是可以每個週邊使用自己的 mode 4. 當調整增益, 更改輸出格式, 切換輸入來源時會把 m_flush_data 設為 1, 在讀 ad 值時會先預讀一次更新量測的結果
45 lines
713 B
C
45 lines
713 B
C
#include "adc_drv.h"
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#if (DEF_ELITE_MODEL == DEF_ELITE_EDC_20)
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extern adc_drv_if_t ads8691;
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static adc_drv_if_t *p_inst = &ads8691;
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#else
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static adc_drv_if_t *p_inst = NULL;
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#endif
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int adc_init(void)
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{
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if (p_inst == NULL)
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{
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return ADC_DRV_ERROR;
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}
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return p_inst->init();
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}
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int adc_reset(void)
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{
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if (p_inst == NULL)
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{
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return ADC_DRV_ERROR;
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}
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return p_inst->reset();
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}
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int adc_gain(adc_gain_t gain)
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{
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if (p_inst == NULL)
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{
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return ADC_DRV_ERROR;
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}
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return p_inst->gain(gain);
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}
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int adc_read(uint32_t channel, int32_t *adc_val)
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{
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if (p_inst == NULL)
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{
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return ADC_DRV_ERROR;
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}
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return p_inst->read(channel, adc_val);
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}
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