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use simple 8-bit counter for LED PWM

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This commit is contained in:
Joey Castillo
2021-05-20 15:56:15 -07:00
parent 7f2f09d371
commit b358e76047
23 changed files with 1120 additions and 942 deletions
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35
Smol Watch Project/My Project/hpl/tcc/hpl_tcc.c
View File

@@ -123,21 +123,6 @@ static struct tcc_pwm_cfg _cfgs_pwm[1] = {
static struct _pwm_device *_tcc0_dev = NULL;
/**
* \brief Set of pointer to hal_pwm helper functions
*/
static struct _pwm_hpl_interface _tcc_pwm_functions = {
_tcc_pwm_init,
_tcc_pwm_deinit,
_tcc_start_pwm,
_tcc_stop_pwm,
_tcc_set_pwm_param,
_tcc_is_pwm_enabled,
_tcc_pwm_get_period,
_tcc_pwm_get_duty,
_tcc_pwm_set_irq_state,
};
/**
* \brief Init irq param with the given tcc hardware instance
*/
@@ -150,7 +135,7 @@ static void _tcc_init_irq_param(const void *const hw, void *dev)
/**
* \brief Initialize TCC for PWM mode
*/
int32_t _tcc_pwm_init(struct _pwm_device *const device, void *const hw)
int32_t _pwm_init(struct _pwm_device *const device, void *const hw)
{
struct tcc_cfg *cfg = _get_tcc_cfg(hw);
if (cfg == NULL) {
@@ -213,7 +198,7 @@ int32_t _tcc_pwm_init(struct _pwm_device *const device, void *const hw)
/**
* \brief De-initialize TCC for PWM mode
*/
void _tcc_pwm_deinit(struct _pwm_device *const device)
void _pwm_deinit(struct _pwm_device *const device)
{
void *const hw = device->hw;
struct tcc_pwm_cfg *cfg_pwm = _get_tcc_pwm_cfg(hw);
@@ -226,21 +211,21 @@ void _tcc_pwm_deinit(struct _pwm_device *const device)
/**
* \brief Start PWM
*/
void _tcc_start_pwm(struct _pwm_device *const device)
void _pwm_enable(struct _pwm_device *const device)
{
hri_tcc_set_CTRLA_ENABLE_bit(device->hw);
}
/**
* \brief Stop PWM
*/
void _tcc_stop_pwm(struct _pwm_device *const device)
void _pwm_disable(struct _pwm_device *const device)
{
hri_tcc_clear_CTRLA_ENABLE_bit(device->hw);
}
/**
* \brief Set PWM parameter
*/
void _tcc_set_pwm_param(struct _pwm_device *const device, const pwm_period_t period, const pwm_period_t duty_cycle)
void _pwm_set_param(struct _pwm_device *const device, const pwm_period_t period, const pwm_period_t duty_cycle)
{
void *const hw = device->hw;
struct tcc_pwm_cfg *cfg_pwm = _get_tcc_pwm_cfg(hw);
@@ -253,14 +238,14 @@ void _tcc_set_pwm_param(struct _pwm_device *const device, const pwm_period_t per
/**
* \brief Get pwm waveform period value
*/
pwm_period_t _tcc_pwm_get_period(const struct _pwm_device *const device)
pwm_period_t _pwm_get_period(const struct _pwm_device *const device)
{
return (pwm_period_t)(hri_tcc_read_PERB_reg(device->hw));
}
/**
* \brief Get pwm waveform duty cycle
*/
uint32_t _tcc_pwm_get_duty(const struct _pwm_device *const device)
uint32_t _pwm_get_duty(const struct _pwm_device *const device)
{
void *const hw = device->hw;
struct tcc_pwm_cfg *cfg_pwm = _get_tcc_pwm_cfg(hw);
@@ -275,14 +260,14 @@ uint32_t _tcc_pwm_get_duty(const struct _pwm_device *const device)
/**
* \brief Check if PWM is running
*/
bool _tcc_is_pwm_enabled(const struct _pwm_device *const device)
bool _pwm_is_enabled(const struct _pwm_device *const device)
{
return hri_tcc_get_CTRLA_ENABLE_bit(device->hw);
}
/**
* \brief Enable/disable PWM interrupt
*/
void _tcc_pwm_set_irq_state(struct _pwm_device *const device, const enum _pwm_callback_type type, const bool disable)
void _pwm_set_irq_state(struct _pwm_device *const device, const enum _pwm_callback_type type, const bool disable)
{
ASSERT(device);
@@ -306,7 +291,7 @@ struct _timer_hpl_interface *_tcc_get_timer(void)
*/
struct _pwm_hpl_interface *_tcc_get_pwm(void)
{
return &_tcc_pwm_functions;
return NULL;
}
/**
* \internal TC interrupt handler for PWM

83
Smol Watch Project/My Project/hpl/tcc/hpl_tcc.h
View File

@@ -60,89 +60,6 @@ extern "C" {
* \return A pointer to set of timer helper functions
*/
struct _timer_hpl_interface *_tcc_get_timer(void);
/**
* \brief Initialize TCC for PWM
*
* This function does low level TCC configuration.
*
* \param[in] device The pointer to PWM device instance
* \param[in] hw The pointer to hardware instance
*
* \return Initialization status.
*/
int32_t _tcc_pwm_init(struct _pwm_device *const device, void *const hw);
/**
* \brief De-initialize TCC for PWM
*
* \param[in] device The pointer to TCC device instance
*/
void _tcc_pwm_deinit(struct _pwm_device *const device);
/**
* \brief Retrieve offset of the given tcc hardware instance
*
* \param[in] device The pointer to TCC device instance
*
* \return The offset of the given tcc hardware instance
*/
uint8_t _tcc_pwm_get_hardware_offset(const struct _pwm_device *const device);
/**
* \brief Start PWM
*
* \param[in] device The pointer to TCC device instance
*/
void _tcc_start_pwm(struct _pwm_device *const device);
/**
* \brief Stop PWM
*
* \param[in] device The pointer to TCC device instance
*/
void _tcc_stop_pwm(struct _pwm_device *const device);
/**
* \brief Check if PWM is running
*
* \param[in] device The pointer to TCC device instance
*
* \return Check status.
* \retval true The given pwm is running
* \retval false The given pwm is not running
*/
bool _tcc_is_pwm_enabled(const struct _pwm_device *const device);
/**
* \brief Set PWM parameter
* \param[in] device The pointer to TCC device instance
* \param[in] period Total period of one PWM cycle.
* \param[in] duty_cycle Period of PWM first half during one cycle.
*/
void _tcc_set_pwm_param(struct _pwm_device *const device, const pwm_period_t period, const pwm_period_t duty_cycle);
/**
* \brief Get pwm waveform period value
* \param[in] device The pointer to TCC device instance
* \return Period value.
*/
pwm_period_t _tcc_pwm_get_period(const struct _pwm_device *const device);
/**
* \brief Get pwm waveform duty cycle value
* \param[in] device The pointer to TCC device instance
* \return Duty cycle value
*/
uint32_t _tcc_pwm_get_duty(const struct _pwm_device *const device);
/**
* \brief Enable/disable PWM interrupt
*
* param[in] device The pointer to PWM device instance
* param[in] type The type of interrupt to disable/enable if applicable
* param[in] disable Enable or disable
*/
void _tcc_pwm_set_irq_state(struct _pwm_device *const device, const enum _pwm_callback_type type, const bool disable);
/**
* \brief Retrieve pwm helper functions