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author | barthess <barthess@yandex.ru> | 2015-03-03 19:01:28 +0300 |
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committer | barthess <barthess@yandex.ru> | 2015-03-03 19:01:28 +0300 |
commit | 75688209c204ce5b64532e555ed10f11c468dd07 (patch) | |
tree | 08c681295ada51ab68b370858f376f4bd74d67cc /os/hal/include/eicu.h | |
parent | 4764c3ba15e737bdb781e445184c00e2a6f0bb00 (diff) | |
download | ChibiOS-Contrib-75688209c204ce5b64532e555ed10f11c468dd07.tar.gz ChibiOS-Contrib-75688209c204ce5b64532e555ed10f11c468dd07.tar.bz2 ChibiOS-Contrib-75688209c204ce5b64532e555ed10f11c468dd07.zip |
EICU now able to capture data on all channels
Diffstat (limited to 'os/hal/include/eicu.h')
-rw-r--r-- | os/hal/include/eicu.h | 96 |
1 files changed, 19 insertions, 77 deletions
diff --git a/os/hal/include/eicu.h b/os/hal/include/eicu.h index 5eefa7c..121fc2d 100644 --- a/os/hal/include/eicu.h +++ b/os/hal/include/eicu.h @@ -51,14 +51,23 @@ typedef enum { EICU_IDLE = 5 /* Idle cycle phase. */ } eicustate_t; +/** + * @brief Channel state machine possible states. + */ +typedef enum { + EICU_CH_IDLE = 0, /* Idle cycle phase. */ + EICU_CH_ACTIVE = 1 /* Active cycle phase. */ +} eicuchannelstate_t; + /** * @brief EICU channel selection definition */ typedef enum { EICU_CHANNEL_1 = 0, - EICU_CHANNEL_2 = 1, - EICU_CHANNEL_3 = 2, - EICU_CHANNEL_4 = 3 + EICU_CHANNEL_2, + EICU_CHANNEL_3, + EICU_CHANNEL_4, + EICU_CHANNEL_ENUM_END } eicuchannel_t; /** @@ -71,8 +80,11 @@ typedef struct EICUDriver EICUDriver; * * @param[in] eicup Pointer to a EICUDriver object * @param[in] channel EICU channel that fired the interrupt + * @param[in] width Pulse width + * @param[in] period Pulse period */ -typedef void (*eicucallback_t)(EICUDriver *eicup, eicuchannel_t channel); +typedef void (*eicucallback_t)(EICUDriver *eicup, eicuchannel_t channel, + uint32_t width, uint32_t period); #include "eicu_lld.h" @@ -101,35 +113,6 @@ typedef void (*eicucallback_t)(EICUDriver *eicup, eicuchannel_t channel); * @iclass */ #define eicuDisableI(eicup) eicu_lld_disable(eicup) - -/** - * @brief Returns the time of the latest measurement. - * @details The pulse width is defined as number of ticks between the 2 - * capture events depending on EICU mode (pulse width or period). - * @note This function is meant to be invoked from the capture - * callback only. - * - * @param[in] eicup Pointer to the @p EICUDriver object - * @param[in] channel The timer channel that fired the interrupt. - * @return The number of ticks. - * - * @special - */ -#define eicuGetTime(eicup, channel) eicu_lld_get_time((eicup), (channel)) - -/** - * @brief Returns the width of the latest cycle. - * @details The cycle width is defined as number of ticks between a start - * edge and the next start edge. - * @note This function is meant to be invoked from the capture - * callback only. - * - * @param[in] eicup Pointer to the @p EICUDriver object - * @return The number of ticks. - * - * @special - */ -#define eicuGetPeriod(eicup) eicu_lld_get_period(eicup) /** @} */ /** @@ -148,7 +131,7 @@ static inline void _eicu_isr_invoke_pwm_width_cb(EICUDriver *eicup, eicuchannel_t channel) { if (eicup->state != EICU_WAITING) { eicup->state = EICU_IDLE; - eicup->config->iccfgp[channel]->capture_cb(eicup, channel); + eicup->config->iccfgp[channel]->capture_cb(eicup, channel, 0, 0); } } @@ -165,48 +148,7 @@ static inline void _eicu_isr_invoke_pwm_period_cb(EICUDriver *eicup, eicustate_t previous_state = eicup->state; eicup->state = EICU_ACTIVE; if (previous_state != EICU_WAITING) - eicup->config->period_cb(eicup, channel); -} - -/** - * @brief Common ISR code, EICU Pulse width event. - * @details This macro needs special care since it needs to invert the - * correct polarity bit to detect pulses. - * @note This macro assumes that the polarity is not changed by some - * external user. It must only be changed using the HAL. - * - * @param[in] eicup Pointer to the @p EICUDriver object - * @param[in] channel The timer channel that fired the interrupt. - * - * @notapi - */ -static inline void _eicu_isr_invoke_pulse_width_cb(EICUDriver *eicup, - eicuchannel_t channel) { - if (eicup->state == EICU_ACTIVE) { - eicup->state = EICU_READY; - eicu_lld_invert_polarity(eicup, channel); - eicup->config->iccfgp[channel]->capture_cb(eicup, channel); - } - else { - eicup->state = EICU_ACTIVE; - eicup->last_count[channel] = eicu_lld_get_compare(eicup, channel); - eicu_lld_invert_polarity(eicup, channel); - } -} - -/** - * @brief Common ISR code, EICU Edge detect event. - * - * @param[in] eicup Pointer to the @p EICUDriver object - * @param[in] channel The timer channel that fired the interrupt. - * - * @notapi - */ -static inline void _eicu_isr_invoke_edge_detect_cb(EICUDriver *eicup, - eicuchannel_t channel) { - eicup->state = EICU_READY; - eicup->config->iccfgp[channel]->capture_cb(eicup, channel); - eicup->last_count[channel] = eicu_lld_get_compare(eicup, channel); + eicup->channel[channel].config->capture_cb(eicup, channel, 0, 0); } /** @@ -217,7 +159,7 @@ static inline void _eicu_isr_invoke_edge_detect_cb(EICUDriver *eicup, * @notapi */ #define _eicu_isr_invoke_overflow_cb(icup) { \ - (eicup)->config->overflow_cb(eicup, 0); \ + (eicup)->config->overflow_cb(eicup, 0, 0, 0); \ } /** @} */ |