alema/usbc_soldering_iron
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base: alema:de372c220554cf67c4cf99918d53bacb006b168e
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alema:master
alema:external-handle
alema:different-filter
alema:nofilter
alema:nodriver
alema:high-pmos
alema:v0.1
..
compare: alema:4365380662daddf34edee0bc32dfddd1250f5626
Branches Tags
alema:external-handle
alema:master
alema:different-filter
alema:nofilter
alema:nodriver
alema:high-pmos
alema:v0.1

2 Commits
de372c2205 ... 4365380662

Author SHA1 Message Date
Alessandro Mauri
4365380662 Merge branch 'external-handle' of https://git.alemauri.eu/alema/usbc_soldering_iron into external-handle 2026-05-29 21:30:20 +02:00
Alessandro Mauri
18bd2450ae draw some debug info on no pd 2026-05-29 21:30:18 +02:00
1 changed files with 19 additions and 1 deletions
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20
fw/main.c
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@ -479,12 +479,30 @@ __attribute__((noreturn)) int main(void)
// No Power Delivery, maybe we are attached to a computer, so poll the input
poll_input();
static uint16_t vcc_mv = 3300;
static u16 tip_mv, tip_temp_c;
static s16 temp_c;
adc_injection_conversion();
temp_c = I16_FP_EMA_K4(temp_c, get_temp_c(adc_buffer[2]));
// Calibrate VCC with the internal reference value
vcc_mv = I16_FP_EMA_K4(vcc_mv, ((uint32_t)1200 * 4096)/injection_results[1]);
tip_mv = ((u32)injection_results[0]*vcc_mv)/4096;
// Tip calibration factors
const fp16_t tip_k = num2fp(0, 14473, 5);
const fp16_t tip_off = num2fp(0, 0, 0);
int16_t tt_now = fp2i(fp_add(fp_mul(i2fp(tip_mv), tip_k), tip_off));
tip_temp_c = I16_FP_EMA_K4(tip_temp_c, tt_now + temp_c);
u8g2_ClearBuffer(u8g2);
u8g2_SetFont(u8g2, u8g2_font_5x8_tr);
u8g2_DrawStr(u8g2, x_off+0, y_off+7, "Negotiation FAILED");
u8g2_DrawStr(u8g2, x_off+0, y_off+14, USBPD_ResultToStr(pd_get_result()));
u8g2_DrawStr(u8g2, x_off+0, y_off+21, u16toa(vcc_mv));
u8g2_DrawStr(u8g2, x_off+0, y_off+28, u16toa(temp_c));
u8g2_DrawStr(u8g2, x_off+30, y_off+28, u16toa(tip_temp_c));
u8g2_SendBuffer(u8g2);
Delay_Ms(100);
}
} else {
pd_get_profile(&pd_profile, 100);