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fixed linter errors and undone function renaming

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This commit is contained in:
g3gg0
2022-12-05 09:36:45 +01:00
committed by Tiernan Messmer
parent 26c4e88677
commit 0a714fc164
4 changed files with 96 additions and 110 deletions
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lib/pulse_reader/pulse_reader.c
+34 -34
View File
@@ -5,7 +5,6 @@
#include "pulse_reader.h"
#define GPIO_PIN_MAP(pin, prefix) \
(((pin) == (LL_GPIO_PIN_0)) ? prefix##0 : \
((pin) == (LL_GPIO_PIN_1)) ? prefix##1 : \
@@ -26,10 +25,7 @@
#define GET_DMAMUX_EXTI_LINE(pin) GPIO_PIN_MAP(pin, LL_DMAMUX_REQ_GEN_EXTI_LINE)
PulseReader* pulse_reader_alloc(const GpioPin* gpio, uint32_t size) {
PulseReader* signal = malloc(sizeof(PulseReader));
signal->timer_buffer = malloc(size * sizeof(uint32_t));
signal->gpio_buffer = malloc(size * sizeof(uint32_t));
@@ -43,14 +39,15 @@ PulseReader* pulse_reader_alloc(const GpioPin* gpio, uint32_t size) {
pulse_reader_set_bittime(signal, 1);
signal->dma_config_timer.Direction = LL_DMA_DIRECTION_PERIPH_TO_MEMORY;
signal->dma_config_timer.PeriphOrM2MSrcAddress = (uint32_t) &(TIM2->CNT);
signal->dma_config_timer.PeriphOrM2MSrcAddress = (uint32_t) & (TIM2->CNT);
signal->dma_config_timer.PeriphOrM2MSrcIncMode = LL_DMA_PERIPH_NOINCREMENT;
signal->dma_config_timer.PeriphOrM2MSrcDataSize = LL_DMA_PDATAALIGN_WORD;
signal->dma_config_timer.MemoryOrM2MDstAddress = (uint32_t) signal->timer_buffer;
signal->dma_config_timer.MemoryOrM2MDstAddress = (uint32_t)signal->timer_buffer;
signal->dma_config_timer.MemoryOrM2MDstIncMode = LL_DMA_MEMORY_INCREMENT;
signal->dma_config_timer.MemoryOrM2MDstDataSize = LL_DMA_MDATAALIGN_WORD;
signal->dma_config_timer.Mode = LL_DMA_MODE_CIRCULAR;
signal->dma_config_timer.PeriphRequest = LL_DMAMUX_REQ_GENERATOR0; /* executes LL_DMA_SetPeriphRequest */
signal->dma_config_timer.PeriphRequest =
LL_DMAMUX_REQ_GENERATOR0; /* executes LL_DMA_SetPeriphRequest */
signal->dma_config_timer.Priority = LL_DMA_PRIORITY_VERYHIGH;
signal->dma_config_gpio.Direction = LL_DMA_DIRECTION_PERIPH_TO_MEMORY;
@@ -59,7 +56,8 @@ PulseReader* pulse_reader_alloc(const GpioPin* gpio, uint32_t size) {
signal->dma_config_gpio.MemoryOrM2MDstIncMode = LL_DMA_MEMORY_INCREMENT;
signal->dma_config_gpio.MemoryOrM2MDstDataSize = LL_DMA_MDATAALIGN_WORD;
signal->dma_config_gpio.Mode = LL_DMA_MODE_CIRCULAR;
signal->dma_config_gpio.PeriphRequest = LL_DMAMUX_REQ_GENERATOR0; /* executes LL_DMA_SetPeriphRequest */
signal->dma_config_gpio.PeriphRequest =
LL_DMAMUX_REQ_GENERATOR0; /* executes LL_DMA_SetPeriphRequest */
signal->dma_config_gpio.Priority = LL_DMA_PRIORITY_VERYHIGH;
return signal;
@@ -67,22 +65,22 @@ PulseReader* pulse_reader_alloc(const GpioPin* gpio, uint32_t size) {
void pulse_reader_set_timebase(PulseReader* signal, PulseReaderUnit unit) {
switch(unit) {
case PulseReaderUnit64MHz:
signal->unit_multiplier = 1;
signal->unit_divider = 1;
break;
case PulseReaderUnitPicosecond:
signal->unit_multiplier = 15625;
signal->unit_divider = 1;
break;
case PulseReaderUnitNanosecond:
signal->unit_multiplier = 15625;
signal->unit_divider = 1000;
break;
case PulseReaderUnitMicrosecond:
signal->unit_multiplier = 15625;
signal->unit_divider = 1000000;
break;
case PulseReaderUnit64MHz:
signal->unit_multiplier = 1;
signal->unit_divider = 1;
break;
case PulseReaderUnitPicosecond:
signal->unit_multiplier = 15625;
signal->unit_divider = 1;
break;
case PulseReaderUnitNanosecond:
signal->unit_multiplier = 15625;
signal->unit_divider = 1000;
break;
case PulseReaderUnitMicrosecond:
signal->unit_multiplier = 15625;
signal->unit_divider = 1000000;
break;
}
}
@@ -104,7 +102,7 @@ uint32_t pulse_reader_samples(PulseReader* signal) {
void pulse_reader_stop(PulseReader* signal) {
LL_DMA_DisableChannel(DMA1, signal->dma_channel);
LL_DMA_DisableChannel(DMA1, signal->dma_channel+1);
LL_DMA_DisableChannel(DMA1, signal->dma_channel + 1);
LL_DMAMUX_DisableRequestGen(NULL, LL_DMAMUX_REQ_GEN_0);
LL_TIM_DisableCounter(TIM2);
}
@@ -113,8 +111,8 @@ void pulse_reader_start(PulseReader* signal) {
/* configure DMA to read from a timer peripheral */
signal->dma_config_timer.NbData = signal->size;
signal->dma_config_gpio.PeriphOrM2MSrcAddress = (uint32_t) &(signal->gpio->port->IDR);
signal->dma_config_gpio.MemoryOrM2MDstAddress = (uint32_t) signal->gpio_buffer;
signal->dma_config_gpio.PeriphOrM2MSrcAddress = (uint32_t) & (signal->gpio->port->IDR);
signal->dma_config_gpio.MemoryOrM2MDstAddress = (uint32_t)signal->gpio_buffer;
signal->dma_config_gpio.NbData = signal->size;
/* start counter */
@@ -126,14 +124,16 @@ void pulse_reader_start(PulseReader* signal) {
LL_TIM_EnableCounter(TIM2);
/* generator 0 gets fed by EXTI_LINEn */
LL_DMAMUX_SetRequestSignalID(NULL, LL_DMAMUX_REQ_GEN_0, GET_DMAMUX_EXTI_LINE(signal->gpio->pin));
LL_DMAMUX_SetRequestSignalID(
NULL, LL_DMAMUX_REQ_GEN_0, GET_DMAMUX_EXTI_LINE(signal->gpio->pin));
/* trigger on rising edge of the interrupt */
LL_DMAMUX_SetRequestGenPolarity(NULL, LL_DMAMUX_REQ_GEN_0, LL_DMAMUX_REQ_GEN_POL_RISING);
/* now enable request generation again */
LL_DMAMUX_EnableRequestGen(NULL, LL_DMAMUX_REQ_GEN_0);
/* we need the EXTI to be configured as interrupt generating line, but no ISR registered */
furi_hal_gpio_init_ex(signal->gpio, GpioModeInterruptRiseFall, GpioPullNo, GpioSpeedVeryHigh, GpioAltFnUnused);
furi_hal_gpio_init_ex(
signal->gpio, GpioModeInterruptRiseFall, GpioPullNo, GpioSpeedVeryHigh, GpioAltFnUnused);
/* capture current timer */
signal->pos = 0;
@@ -149,17 +149,16 @@ void pulse_reader_start(PulseReader* signal) {
}
uint32_t pulse_reader_receive(PulseReader* signal, int timeout_us) {
uint32_t start_time = DWT->CYCCNT;
uint32_t timeout_ticks = timeout_us * (F_TIM2/1000000);
uint32_t timeout_ticks = timeout_us * (F_TIM2 / 1000000);
do {
/* get the DMA's next write position by reading "remaining length" register */
uint32_t dma_pos = signal->size - (uint32_t)LL_DMA_GetDataLength(DMA1, signal->dma_channel);
uint32_t dma_pos =
signal->size - (uint32_t)LL_DMA_GetDataLength(DMA1, signal->dma_channel);
/* the DMA has advanced in the ringbuffer */
if(dma_pos != signal->pos) {
uint32_t delta = signal->timer_buffer[signal->pos] - signal->timer_value;
uint32_t last_gpio_value = signal->gpio_value;
@@ -179,7 +178,8 @@ uint32_t pulse_reader_receive(PulseReader* signal, int timeout_us) {
/* probably larger values, so choose a wider data type */
if(signal->unit_divider > 1) {
delta_unit = (uint32_t)((uint64_t)delta * (uint64_t)signal->unit_multiplier / signal->unit_divider);
delta_unit =
(uint32_t)((uint64_t)delta * (uint64_t)signal->unit_multiplier / signal->unit_divider);
} else {
delta_unit = delta * signal->unit_multiplier;
}
lib/pulse_reader/pulse_reader.h
+3 -13
View File
@@ -14,9 +14,9 @@
extern "C" {
#endif
#define PULSE_READER_NO_EDGE 0xFFFFFFFFUL
#define PULSE_READER_LOST_EDGE 0xFFFFFFFEUL
#define F_TIM2 64000000UL
#define PULSE_READER_NO_EDGE 0xFFFFFFFFUL
#define PULSE_READER_LOST_EDGE 0xFFFFFFFEUL
#define F_TIM2 64000000UL
/**
* unit of the edge durations to return
@@ -28,7 +28,6 @@ typedef enum {
PulseReaderUnitMicrosecond,
} PulseReaderUnit;
typedef struct {
bool start_level;
uint32_t* timer_buffer;
@@ -47,7 +46,6 @@ typedef struct {
LL_DMA_InitTypeDef dma_config_gpio;
} PulseReader;
/** Allocate a PulseReader object
*
* Allocates memory for a ringbuffer and initalizes the object
@@ -57,7 +55,6 @@ typedef struct {
*/
PulseReader* pulse_reader_alloc(const GpioPin* gpio, uint32_t size);
/** Free a PulseReader object
*
* Frees all memory of the given object
@@ -66,7 +63,6 @@ PulseReader* pulse_reader_alloc(const GpioPin* gpio, uint32_t size);
*/
void pulse_reader_free(PulseReader* signal);
/** Start signal capturing
*
* Initializes DMA1, TIM2 and DMAMUX_REQ_GEN_0 to automatically capture timer values
@@ -75,7 +71,6 @@ void pulse_reader_free(PulseReader* signal);
*/
void pulse_reader_start(PulseReader* signal);
/** Stop signal capturing
*
* Frees DMA1, TIM2 and DMAMUX_REQ_GEN_0
@@ -84,7 +79,6 @@ void pulse_reader_start(PulseReader* signal);
*/
void pulse_reader_stop(PulseReader* signal);
/** Recevie a sample from ringbuffer
*
* Waits for the specified time until a new edge gets detected.
@@ -99,7 +93,6 @@ void pulse_reader_stop(PulseReader* signal);
*/
uint32_t pulse_reader_receive(PulseReader* signal, int timeout_us);
/** Get available samples
*
* Get the number of available samples in the ringbuffer
@@ -110,7 +103,6 @@ uint32_t pulse_reader_receive(PulseReader* signal, int timeout_us);
*/
uint32_t pulse_reader_samples(PulseReader* signal);
/** Set timebase
*
* Set the timebase to be used when returning pulse duration.
@@ -120,7 +112,6 @@ uint32_t pulse_reader_samples(PulseReader* signal);
*/
void pulse_reader_set_timebase(PulseReader* signal, PulseReaderUnit unit);
/** Set bit time
*
* Set the number of timebase units per bit.
@@ -134,7 +125,6 @@ void pulse_reader_set_timebase(PulseReader* signal, PulseReaderUnit unit);
*/
void pulse_reader_set_bittime(PulseReader* signal, uint32_t bit_time);
#ifdef __cplusplus
}
#endif