Durgod: Increase scan rate by using wait_us GPT timer (#14091)

Lower the tick rate from 10kHz to 1kHz (otherwise all the extra interrupts
reduce the achievable scan rate). Enable the WAIT_US_TIMER using GPT TIM3.

Observed scan rate on the K320 is increased from 625Hz to 2090-2120Hz.
This commit is contained in:
Simon Arlott 2021-12-27 03:04:26 +00:00 committed by GitHub
parent dfe5fe7181
commit c93935f243
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6 changed files with 13 additions and 2 deletions

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@ -21,7 +21,7 @@
#pragma once
#define CH_CFG_ST_FREQUENCY 10000
#define CH_CFG_ST_FREQUENCY 1000
#define CH_CFG_ST_TIMEDELTA 0

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@ -85,7 +85,7 @@
*/
#define STM32_GPT_USE_TIM1 FALSE
#define STM32_GPT_USE_TIM2 FALSE
#define STM32_GPT_USE_TIM3 FALSE
#define STM32_GPT_USE_TIM3 TRUE
#define STM32_GPT_USE_TIM14 FALSE
#define STM32_GPT_TIM1_IRQ_PRIORITY 2
#define STM32_GPT_TIM2_IRQ_PRIORITY 2

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@ -22,6 +22,9 @@
#define VENDOR_ID 0xD60D
#define MANUFACTURER Hoksi Technology
#define USB_POLLING_INTERVAL_MS 1
#define WAIT_US_TIMER GPTD3
/* COL2ROW, ROW2COL*/
#define DIODE_DIRECTION ROW2COL

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@ -19,4 +19,7 @@
#ifdef RGB_MATRIX_ENABLE
#define HAL_USE_I2C TRUE
#endif
#define HAL_USE_GPT TRUE
#include_next <halconf.h>

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@ -23,6 +23,9 @@
#define VENDOR_ID 0xD60D
#define MANUFACTURER Hoksi Technology
#define USB_POLLING_INTERVAL_MS 1
#define WAIT_US_TIMER GPTD3
/* key matrix size (rows in specific keyboard variant) */
#define MATRIX_COLS 16

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@ -19,4 +19,6 @@
#define HAL_USE_PAL TRUE
#define PAL_USE_CALLBACKS TRUE
#define HAL_USE_GPT TRUE
#include_next <halconf.h>