amiro-lld / drivers / PKxxxExxx / v1 / alld_PKxxxExxx.c @ 4dba9195
History | View | Annotate | Download (4.446 KB)
| 1 | d6728c5b | Thomas Schöpping | /*
|
|---|---|---|---|
| 2 | AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
|
||
| 3 | f125ae07 | Thomas Schöpping | Copyright (C) 2016..2019 Thomas Schöpping et al.
|
| 4 | d6728c5b | Thomas Schöpping | |
| 5 | This program is free software: you can redistribute it and/or modify
|
||
| 6 | f0ca400f | Thomas Schöpping | it under the terms of the GNU Lesser General Public License as published by
|
| 7 | d6728c5b | Thomas Schöpping | the Free Software Foundation, either version 3 of the License, or
|
| 8 | (at your option) any later version.
|
||
| 9 | |||
| 10 | This program is distributed in the hope that it will be useful,
|
||
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
| 13 | f0ca400f | Thomas Schöpping | GNU Lesser General Public License for more details.
|
| 14 | d6728c5b | Thomas Schöpping | |
| 15 | f0ca400f | Thomas Schöpping | You should have received a copy of the GNU Lesser General Public License
|
| 16 | d6728c5b | Thomas Schöpping | along with this program. If not, see <http://www.gnu.org/licenses/>.
|
| 17 | */
|
||
| 18 | |||
| 19 | 5e2f673b | Marc Rothmann | /**
|
| 20 | 9466e34d | Thomas Schöpping | * @file alld_PKxxxExxx.c
|
| 21 | 5e2f673b | Marc Rothmann | * @brief Buzzer function implementations.
|
| 22 | *
|
||
| 23 | * @addtogroup lld_buzzer
|
||
| 24 | * @{
|
||
| 25 | */
|
||
| 26 | |||
| 27 | 1d5bcc82 | Thomas Schöpping | #include <alld_PKxxxExxx.h> |
| 28 | d6728c5b | Thomas Schöpping | |
| 29 | ef078306 | Thomas Schöpping | /******************************************************************************/
|
| 30 | /* LOCAL DEFINITIONS */
|
||
| 31 | /******************************************************************************/
|
||
| 32 | |||
| 33 | /******************************************************************************/
|
||
| 34 | /* EXPORTED VARIABLES */
|
||
| 35 | /******************************************************************************/
|
||
| 36 | |||
| 37 | /******************************************************************************/
|
||
| 38 | /* LOCAL TYPES */
|
||
| 39 | /******************************************************************************/
|
||
| 40 | |||
| 41 | /******************************************************************************/
|
||
| 42 | /* LOCAL VARIABLES */
|
||
| 43 | /******************************************************************************/
|
||
| 44 | |||
| 45 | /******************************************************************************/
|
||
| 46 | /* LOCAL FUNCTIONS */
|
||
| 47 | /******************************************************************************/
|
||
| 48 | |||
| 49 | /******************************************************************************/
|
||
| 50 | /* EXPORTED FUNCTIONS */
|
||
| 51 | /******************************************************************************/
|
||
| 52 | |||
| 53 | d6728c5b | Thomas Schöpping | /**
|
| 54 | * @brief Check the configuration of the PWM for the correct frequency.
|
||
| 55 | * @param[in] pwm The PWM driver to check.
|
||
| 56 | * @return The return status indicates whether the function call was successful.
|
||
| 57 | */
|
||
| 58 | 1d5bcc82 | Thomas Schöpping | apalExitStatus_t pkxxxexxx_lld_checkPWMconfiguration(apalPWMDriver_t* pwm) |
| 59 | d6728c5b | Thomas Schöpping | {
|
| 60 | apalDbgAssert(pwm != NULL);
|
||
| 61 | |||
| 62 | apalPWMfrequency_t frequency = 0;
|
||
| 63 | apalPWMperiod_t period = 0;
|
||
| 64 | apalExitStatus_t status = apalPWMGetFrequency(pwm, &frequency); |
||
| 65 | status |= apalPWMGetPeriod(pwm, &period); |
||
| 66 | 1d5bcc82 | Thomas Schöpping | if (frequency / period == PKxxxExxx_LLD_FREQUENCY_SPEC) {
|
| 67 | d6728c5b | Thomas Schöpping | status |= APAL_STATUS_OK; |
| 68 | c3c5444e | Thomas Schöpping | } |
| 69 | #if defined(PKxxxExxx_LLD_FREQUENCY_MIN) && !defined(PKxxxExxx_LLD_FREQUENCY_MAX)
|
||
| 70 | else if (frequency / period >= PKxxxExxx_LLD_FREQUENCY_MIN && |
||
| 71 | frequency / period <= PKxxxExxx_LLD_FREQUENCY_SPEC) {
|
||
| 72 | d6728c5b | Thomas Schöpping | status |= APAL_STATUS_WARNING; |
| 73 | c3c5444e | Thomas Schöpping | } |
| 74 | #elif !defined(PKxxxExxx_LLD_FREQUENCY_MIN) && defined(PKxxxExxx_LLD_FREQUENCY_MAX)
|
||
| 75 | else if (frequency / period >= PKxxxExxx_LLD_FREQUENCY_SPEC && |
||
| 76 | frequency / period <= PKxxxExxx_LLD_FREQUENCY_MAX) {
|
||
| 77 | status |= APAL_STATUS_WARNING; |
||
| 78 | } |
||
| 79 | #elif defined(PKxxxExxx_LLD_FREQUENCY_MIN) && defined(PKxxxExxx_LLD_FREQUENCY_MAX)
|
||
| 80 | else if (frequency / period >= PKxxxExxx_LLD_FREQUENCY_MIN && |
||
| 81 | frequency / period <= PKxxxExxx_LLD_FREQUENCY_MAX) {
|
||
| 82 | status |= APAL_STATUS_WARNING; |
||
| 83 | } |
||
| 84 | #endif
|
||
| 85 | else {
|
||
| 86 | d6728c5b | Thomas Schöpping | status |= APAL_STATUS_INVALIDARGUMENTS; |
| 87 | } |
||
| 88 | |||
| 89 | return status;
|
||
| 90 | } |
||
| 91 | |||
| 92 | /**
|
||
| 93 | * @brief Turns the buzzer on or off.
|
||
| 94 | * @param[in] pwm The PWM driver to use
|
||
| 95 | * @param[in] channel The PWM channel to enable/disable.
|
||
| 96 | * @param[in] enable Specifies whether the buzzer shall be turned on (true) or off (false).
|
||
| 97 | * @return The return status indicates whether the function call was successful.
|
||
| 98 | */
|
||
| 99 | 1d5bcc82 | Thomas Schöpping | apalExitStatus_t pkxxxexxx_lld_enable(apalPWMDriver_t* pwm, const apalPWMchannel_t channel, const bool enable) |
| 100 | d6728c5b | Thomas Schöpping | {
|
| 101 | apalDbgAssert(pwm != NULL);
|
||
| 102 | |||
| 103 | if (enable) {
|
||
| 104 | apalPWMperiod_t period = 0;
|
||
| 105 | apalExitStatus_t status = apalPWMGetFrequency(pwm, &period); |
||
| 106 | status |= apalPWMSet(pwm, channel, period/2);
|
||
| 107 | return status;
|
||
| 108 | } else {
|
||
| 109 | return apalPWMSet(pwm, channel, 0); |
||
| 110 | } |
||
| 111 | } |
||
| 112 | |||
| 113 | 5e2f673b | Marc Rothmann | /** @} */
|