DL-Mirrors/keychron-qmk
0
0
Fork 0
mirror of https://github.com/Keychron/qmk_firmware.git synced 2026-02-23 09:52:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

Optimized analog matrix initialization to accommodate different matrix row

Browse Source
This commit is contained in:
lokher
2025-08-28 12:28:00 +08:00
parent a7934d28cb
commit cceb9ad4d8
1 changed files with 50 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
keyboards/keychron/common/analog_matrix/analog_matrix_scan.c
View File

@@ -32,7 +32,7 @@
# define HC164_MR D2
#endif
#define ADC_GRP_NUM_CHANNELS 6
#define ADC_GRP_NUM_CHANNELS MATRIX_ROWS
#define ADC_GRP_BUF_DEPTH 1
#define UNUSED_DEPTH 0
@@ -66,25 +66,39 @@ ADCConversionGroup adcgrpcfg = {
adcerrorcallback,
0, /* CR1 */
ADC_CR2_SWSTART, /* CR2 */
ADC_SMPR1_SMP_AN10(ADC_SAMPLE_56) |
ADC_SMPR1_SMP_AN11(ADC_SAMPLE_56) |
ADC_SMPR1_SMP_AN12(ADC_SAMPLE_56) |
ADC_SMPR1_SMP_AN13(ADC_SAMPLE_56), /* SMPR1*/
ADC_SMPR2_SMP_AN0(ADC_SAMPLE_56) |
ADC_SMPR2_SMP_AN1(ADC_SAMPLE_56), /* SMPR2*/
0, /* SMPR1 */
0, /* SMPR2 */
0, /* HTR */
0, /* LTR */
0, /* SQR1 */
0, /* SQR2 */
ADC_SQR3_SQ1_N(ADC_CHANNEL_IN10) |
ADC_SQR3_SQ2_N(ADC_CHANNEL_IN11) |
ADC_SQR3_SQ3_N(ADC_CHANNEL_IN12) |
ADC_SQR3_SQ4_N(ADC_CHANNEL_IN13) |
ADC_SQR3_SQ5_N(ADC_CHANNEL_IN0) |
ADC_SQR3_SQ6_N(ADC_CHANNEL_IN1) /* SQR3 */
0 /* SQR3 */
};
// clang-format on
uint8_t pinToAdcChn(pin_t pin) {
switch (pin) {
case A0: return ADC_CHANNEL_IN0;
case A1: return ADC_CHANNEL_IN1;
case A2: return ADC_CHANNEL_IN2;
case A3: return ADC_CHANNEL_IN3;
case A4: return ADC_CHANNEL_IN4;
case A5: return ADC_CHANNEL_IN5;
case A6: return ADC_CHANNEL_IN6;
case A7: return ADC_CHANNEL_IN7;
case B0: return ADC_CHANNEL_IN8;
case B1: return ADC_CHANNEL_IN9;
case C0: return ADC_CHANNEL_IN10;
case C1: return ADC_CHANNEL_IN11;
case C2: return ADC_CHANNEL_IN12;
case C3: return ADC_CHANNEL_IN13;
case C4: return ADC_CHANNEL_IN14;
case C5: return ADC_CHANNEL_IN15;
}
return 0xFF;
}
static inline void shifter_delay(uint16_t n) {
while (n-- > 0) {
asm volatile("nop" ::: "memory");
@@ -196,6 +210,11 @@ void matrix_read_rows_on_col(uint8_t current_col, matrix_row_t row_shifter) {
}
void matrix_init_custom(void) {
uint32_t smpr[2] = {0, 0};
uint32_t sqr[3] = {0, 0, 0};
uint8_t chn;
uint8_t chn_cnt = 0;
#ifdef ANALOG_MATRIX_POWER_PIN
setPinOutput(ANALOG_MATRIX_POWER_PIN);
writePin(ANALOG_MATRIX_POWER_PIN, ANALOG_MATRIX_POWER_ENABLE_LEVEL);
@@ -218,8 +237,26 @@ void matrix_init_custom(void) {
palSetLineMode(row_pins[x], PAL_MODE_INPUT_ANALOG);
palWriteLine(row_pins[x], 0);
}
chn = pinToAdcChn(row_pins[x]);
if (chn < 0xFF) {
if (chn > 9 )
smpr[0] |= ADC_SAMPLE_56 << ((chn-10) * 3);
else
smpr[1] |= ADC_SAMPLE_56 << (chn * 3);
sqr[chn_cnt/6] |= chn << ((chn_cnt % 6) * 5);
chn_cnt++;
}
}
adcgrpcfg.smpr1 = smpr[0];
adcgrpcfg.smpr2 = smpr[1];
adcgrpcfg.sqr3 = sqr[0];
adcgrpcfg.sqr2 = sqr[1];
adcgrpcfg.sqr1 = sqr[2];
unselect_cols();
adcStart(&ADCD1, NULL);