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SubGhz: change the operation of the TIM17 timer in CC1101_ext to 2µs

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SkorP 2023-07-22 11:53:16 +04:00 committed by MX
parent b58be2bf1e
commit 0d84dceaae
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GPG Key ID: 7CCC66B7DBDD1C83
1 changed files with 9 additions and 7 deletions
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16
applications/drivers/subghz/cc1101_ext/cc1101_ext.c
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@ -37,7 +37,7 @@
#define SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_BUFFER_FULL (256) #define SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_BUFFER_FULL (256)
#define SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_BUFFER_HALF \ #define SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_BUFFER_HALF \
(SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_BUFFER_FULL / 2) (SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_BUFFER_FULL / 2)
#define SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_GUARD_TIME 999 #define SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_GUARD_TIME 999 << 1
/** SubGhz state */ /** SubGhz state */
typedef enum { typedef enum {
@ -500,7 +500,7 @@ static void subghz_device_cc1101_ext_capture_ISR() {
subghz_device_cc1101_ext->async_rx.capture_callback( subghz_device_cc1101_ext->async_rx.capture_callback(
true, true,
LL_TIM_GetCounter(TIM17), LL_TIM_GetCounter(TIM17) << 1,
(void*)subghz_device_cc1101_ext->async_rx.capture_callback_context); (void*)subghz_device_cc1101_ext->async_rx.capture_callback_context);
} }
} else { } else {
@ -510,11 +510,11 @@ static void subghz_device_cc1101_ext_capture_ISR() {
subghz_device_cc1101_ext->async_rx.capture_callback( subghz_device_cc1101_ext->async_rx.capture_callback(
false, false,
LL_TIM_GetCounter(TIM17), LL_TIM_GetCounter(TIM17) << 1,
(void*)subghz_device_cc1101_ext->async_rx.capture_callback_context); (void*)subghz_device_cc1101_ext->async_rx.capture_callback_context);
} }
} }
LL_TIM_SetCounter(TIM17, 6); LL_TIM_SetCounter(TIM17, 4); //8>>1
} }
void subghz_device_cc1101_ext_start_async_rx( void subghz_device_cc1101_ext_start_async_rx(
@ -529,7 +529,8 @@ void subghz_device_cc1101_ext_start_async_rx(
furi_hal_bus_enable(FuriHalBusTIM17); furi_hal_bus_enable(FuriHalBusTIM17);
// Configure TIM // Configure TIM
LL_TIM_SetPrescaler(TIM17, 64 - 1); //Set the timer resolution to 2 µs
LL_TIM_SetPrescaler(TIM17, (64 << 1) - 1);
LL_TIM_SetCounterMode(TIM17, LL_TIM_COUNTERMODE_UP); LL_TIM_SetCounterMode(TIM17, LL_TIM_COUNTERMODE_UP);
LL_TIM_SetAutoReload(TIM17, 0xFFFF); LL_TIM_SetAutoReload(TIM17, 0xFFFF);
LL_TIM_SetClockDivision(TIM17, LL_TIM_CLOCKDIVISION_DIV1); LL_TIM_SetClockDivision(TIM17, LL_TIM_CLOCKDIVISION_DIV1);
@ -623,7 +624,7 @@ static void subghz_device_cc1101_ext_async_tx_refill(uint32_t* buffer, size_t sa
uint32_t duration = level_duration_get_duration(ld); uint32_t duration = level_duration_get_duration(ld);
furi_assert(duration > 0); furi_assert(duration > 0);
*buffer = duration - 1; *buffer = duration >> 1;
buffer++; buffer++;
samples--; samples--;
} }
@ -709,7 +710,8 @@ bool subghz_device_cc1101_ext_start_async_tx(SubGhzDeviceCC1101ExtCallback callb
furi_hal_bus_enable(FuriHalBusTIM17); furi_hal_bus_enable(FuriHalBusTIM17);
// Configure TIM // Configure TIM
LL_TIM_SetPrescaler(TIM17, 64 - 1); // Set the timer resolution to 2 µs
LL_TIM_SetPrescaler(TIM17, (64 << 1) - 1);
LL_TIM_SetCounterMode(TIM17, LL_TIM_COUNTERMODE_UP); LL_TIM_SetCounterMode(TIM17, LL_TIM_COUNTERMODE_UP);
LL_TIM_SetAutoReload(TIM17, 0xFFFF); LL_TIM_SetAutoReload(TIM17, 0xFFFF);
LL_TIM_SetClockDivision(TIM17, LL_TIM_CLOCKDIVISION_DIV1); LL_TIM_SetClockDivision(TIM17, LL_TIM_CLOCKDIVISION_DIV1);