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SFI, FFI and ESI config

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This commit is contained in:
whowechina 2023-09-28 20:29:07 +08:00
parent 92fecac5c0
commit d5ecafa203
5 changed files with 24 additions and 13 deletions
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BIN
Production/Firmware/chu_pico.uf2
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21
firmware/src/cmd.c
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@ -98,7 +98,9 @@ static void disp_tof()
static void disp_sense()
{
printf("[Sense]\n");
printf(" Filter: %d, %d\n", chu_cfg->sense.filter >> 4, chu_cfg->sense.filter & 0xf);
printf(" Filter: %u, %u, %u\n", chu_cfg->sense.filter >> 6,
(chu_cfg->sense.filter >> 4) & 0x03,
chu_cfg->sense.filter & 0x07);
printf(" Sensitivity (global: %+d):\n", chu_cfg->sense.global);
printf(" | 1| 2| 3| 4| 5| 6| 7| 8| 9|10|11|12|13|14|15|16|\n");
printf(" ---------------------------------------------------\n");
@ -285,22 +287,29 @@ static void handle_tof(int argc, char *argv[])
static void handle_filter(int argc, char *argv[])
{
const char *usage = "Usage: filter <first> <second>\n"
" first, second: 0..3\n";
if ((argc < 2) || (argc > 2)) {
const char *usage = "Usage: filter <first> <second> [interval]\n"
" first: First iteration [0..3]\n"
" second: Second iteration [0..3]\n"
" interval: Interval of second iterations [0..7]\n";
if ((argc < 2) || (argc > 3)) {
printf(usage);
return;
}
int ffi = extract_non_neg_int(argv[0], 0);
int sfi = extract_non_neg_int(argv[1], 0);
int intv = chu_cfg->sense.filter & 0x07;
if (argc == 3) {
intv = extract_non_neg_int(argv[2], 0);
}
if ((ffi < 0) || (ffi > 3) || (sfi < 0) || (sfi > 3)) {
if ((ffi < 0) || (ffi > 3) || (sfi < 0) || (sfi > 3) ||
(intv < 0) || (intv > 7)) {
printf(usage);
return;
}
chu_cfg->sense.filter = (ffi << 4) | sfi;
chu_cfg->sense.filter = (ffi << 6) | (sfi << 4) | intv;
slider_update_config();
config_changed();

5
firmware/src/mpr121.c
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@ -174,7 +174,7 @@ static uint8_t mpr121_resume(uint8_t addr, uint8_t ecr)
write_reg(addr, MPR121_ELECTRODE_CONFIG_REG, ecr);
}
void mpr121_filter(uint8_t addr, uint8_t ffi, uint8_t sfi)
void mpr121_filter(uint8_t addr, uint8_t ffi, uint8_t sfi, uint8_t esi)
{
uint8_t ecr = mpr121_stop(addr);
@ -183,7 +183,8 @@ void mpr121_filter(uint8_t addr, uint8_t ffi, uint8_t sfi)
uint8_t acc = read_reg(addr, MPR121_AUTOCONFIG_CONTROL_0_REG);
write_reg(addr, MPR121_AUTOCONFIG_CONTROL_0_REG, (acc & 0x3f) | ffi << 6);
uint8_t fcr = read_reg(addr, MPR121_FILTER_CONFIG_REG);
write_reg(addr, MPR121_FILTER_CONFIG_REG, (fcr & 0xe7) | (sfi & 3) << 3);
write_reg(addr, MPR121_FILTER_CONFIG_REG,
(fcr & 0xe0) | ((sfi & 3) << 3) | esi);
mpr121_resume(addr, ecr);
}

3
firmware/src/mpr121.h
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@ -11,8 +11,7 @@ void mpr121_init(uint8_t addr);
uint16_t mpr121_touched(uint8_t addr);
void mpr121_raw(uint8_t addr, uint16_t *raw, int num);
void mpr121_filter(uint8_t addr, uint8_t ffi, uint8_t sfi);
void mpr121_filter(uint8_t addr, uint8_t ffi, uint8_t sfi, uint8_t esi);
void mpr121_sense(uint8_t addr, int8_t sense, int8_t *sense_keys);
void mpr121_debounce(uint8_t addr, uint8_t touch, uint8_t release);

8
firmware/src/slider.c
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@ -93,8 +93,10 @@ void slider_update_config()
for (int m = 0; m < 3; m++) {
mpr121_debounce(MPR121_ADDR + m, chu_cfg->sense.debounce_touch,
chu_cfg->sense.debounce_release);
mpr121_sense(MPR121_ADDR + m, chu_cfg->sense.global, chu_cfg->sense.keys + m * 12);
mpr121_filter(MPR121_ADDR + m, chu_cfg->sense.filter & 0x0f,
(chu_cfg->sense.filter >> 4) & 0x0f);
mpr121_sense(MPR121_ADDR + m, chu_cfg->sense.global,
chu_cfg->sense.keys + m * 12);
mpr121_filter(MPR121_ADDR + m, chu_cfg->sense.filter >> 6,
(chu_cfg->sense.filter >> 4) & 0x03,
chu_cfg->sense.filter & 0x07);
}
}