d6fab307bf
* Add flash driver and init in boards. * Add timeout for all poll wait apis * Add 808 d0 startup to bringup * Update lhal device tables * Update demos
45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
#include "bflb_adc.h"
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#include "bflb_efuse.h"
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#include "bflb_mtimer.h"
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#include "board.h"
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struct bflb_device_s *adc;
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int main(void)
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{
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board_init();
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board_adc_gpio_init();
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uint16_t i = 0;
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float average_filter = 0.0;
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adc = bflb_device_get_by_name("adc");
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/* adc clock = XCLK / 2 / 32 */
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struct bflb_adc_config_s cfg;
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cfg.clk_div = ADC_CLK_DIV_32;
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cfg.scan_conv_mode = false;
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cfg.continuous_conv_mode = false;
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cfg.differential_mode = false;
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cfg.resolution = ADC_RESOLUTION_16B;
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cfg.vref = ADC_VREF_2P0V;
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struct bflb_adc_channel_s chan;
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chan.pos_chan = ADC_CHANNEL_TSEN_P;
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chan.neg_chan = ADC_CHANNEL_GND;
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bflb_adc_init(adc, &cfg);
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bflb_adc_channel_config(adc, &chan, 1);
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bflb_adc_tsen_init(adc, ADC_TSEN_MOD_INTERNAL_DIODE);
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while (1) {
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for (i = 0; i < 50; i++) {
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average_filter += bflb_adc_tsen_get_temp(adc);
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bflb_mtimer_delay_ms(10);
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}
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printf("temp = %d\r\n", (uint32_t)(average_filter / 50.0));
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average_filter = 0;
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}
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}
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