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.master
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@ -21,7 +21,7 @@
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#pragma once
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#define CH_CFG_ST_FREQUENCY 10000
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#define CH_CFG_ST_FREQUENCY 1000
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#define CH_CFG_ST_TIMEDELTA 0
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@ -85,7 +85,7 @@
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*/
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#define STM32_GPT_USE_TIM1 FALSE
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#define STM32_GPT_USE_TIM2 FALSE
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#define STM32_GPT_USE_TIM3 FALSE
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#define STM32_GPT_USE_TIM3 TRUE
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#define STM32_GPT_USE_TIM14 FALSE
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#define STM32_GPT_TIM1_IRQ_PRIORITY 2
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#define STM32_GPT_TIM2_IRQ_PRIORITY 2
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@ -22,6 +22,9 @@
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#define VENDOR_ID 0xD60D
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#define MANUFACTURER Hoksi Technology
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#define USB_POLLING_INTERVAL_MS 1
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#define WAIT_US_TIMER GPTD3
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/* COL2ROW, ROW2COL*/
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#define DIODE_DIRECTION ROW2COL
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@ -19,4 +19,7 @@
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#ifdef RGB_MATRIX_ENABLE
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#define HAL_USE_I2C TRUE
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#endif
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#define HAL_USE_GPT TRUE
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#include_next <halconf.h>
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#define VENDOR_ID 0xD60D
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#define MANUFACTURER Hoksi Technology
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#define USB_POLLING_INTERVAL_MS 1
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#define WAIT_US_TIMER GPTD3
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/* key matrix size (rows in specific keyboard variant) */
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#define MATRIX_COLS 16
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@ -19,4 +19,6 @@
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#define HAL_USE_PAL TRUE
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#define PAL_USE_CALLBACKS TRUE
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#define HAL_USE_GPT TRUE
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#include_next <halconf.h>
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