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Added ability to use timer 1 and timer 8 for the tone alarm driver.

This commit is contained in:
ksschwabe 2015-09-03 10:51:21 +02:00
parent fb2082e6ae
commit 9f300e054d
1 changed files with 44 additions and 1 deletions
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45
src/drivers/stm32/tone_alarm/tone_alarm.cpp
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@ -118,7 +118,15 @@
#include <systemlib/err.h>
/* Tone alarm configuration */
#if TONE_ALARM_TIMER == 2
#if TONE_ALARM_TIMER == 1
# define TONE_ALARM_BASE STM32_TIM1_BASE
# define TONE_ALARM_CLOCK STM32_APB2_TIM1_CLKIN
# define TONE_ALARM_CLOCK_POWER_REG STM32_RCC_APB2ENR
# define TONE_ALARM_CLOCK_ENABLE RCC_APB2ENR_TIM1EN
# ifdef CONFIG_STM32_TIM1
# error Must not set CONFIG_STM32_TIM1 when TONE_ALARM_TIMER is 1
# endif
#elif TONE_ALARM_TIMER == 2
# define TONE_ALARM_BASE STM32_TIM2_BASE
# define TONE_ALARM_CLOCK STM32_APB1_TIM2_CLKIN
# define TONE_ALARM_CLOCK_POWER_REG STM32_RCC_APB1ENR
@ -150,6 +158,14 @@
# ifdef CONFIG_STM32_TIM5
# error Must not set CONFIG_STM32_TIM5 when TONE_ALARM_TIMER is 5
# endif
#elif TONE_ALARM_TIMER == 8
# define TONE_ALARM_BASE STM32_TIM8_BASE
# define TONE_ALARM_CLOCK STM32_APB2_TIM8_CLKIN
# define TONE_ALARM_CLOCK_POWER_REG STM32_RCC_APB2ENR
# define TONE_ALARM_CLOCK_ENABLE RCC_APB2ENR_TIM8EN
# ifdef CONFIG_STM32_TIM8
# error Must not set CONFIG_STM32_TIM8 when TONE_ALARM_TIMER is 8
# endif
#elif TONE_ALARM_TIMER == 9
# define TONE_ALARM_BASE STM32_TIM9_BASE
# define TONE_ALARM_CLOCK STM32_APB2_TIM9_CLKIN
@ -208,6 +224,28 @@
*/
#define REG(_reg) (*(volatile uint32_t *)(TONE_ALARM_BASE + _reg))
#if TONE_ALARM_TIMER == 1 || TONE_ALARM_TIMER == 8 // Note: If using TIM1 or TIM8, then you are using the ADVANCED timers and NOT the GENERAL TIMERS, therefore different registers
# define rCR1 REG(STM32_ATIM_CR1_OFFSET)
# define rCR2 REG(STM32_ATIM_CR2_OFFSET)
# define rSMCR REG(STM32_ATIM_SMCR_OFFSET)
# define rDIER REG(STM32_ATIM_DIER_OFFSET)
# define rSR REG(STM32_ATIM_SR_OFFSET)
# define rEGR REG(STM32_ATIM_EGR_OFFSET)
# define rCCMR1 REG(STM32_ATIM_CCMR1_OFFSET)
# define rCCMR2 REG(STM32_ATIM_CCMR2_OFFSET)
# define rCCER REG(STM32_ATIM_CCER_OFFSET)
# define rCNT REG(STM32_ATIM_CNT_OFFSET)
# define rPSC REG(STM32_ATIM_PSC_OFFSET)
# define rARR REG(STM32_ATIM_ARR_OFFSET)
# define rRCR REG(STM32_ATIM_RCR_OFFSET)
# define rCCR1 REG(STM32_ATIM_CCR1_OFFSET)
# define rCCR2 REG(STM32_ATIM_CCR2_OFFSET)
# define rCCR3 REG(STM32_ATIM_CCR3_OFFSET)
# define rCCR4 REG(STM32_ATIM_CCR4_OFFSET)
# define rBDTR REG(STM32_ATIM_BDTR_OFFSET)
# define rDCR REG(STM32_ATIM_DCR_OFFSET)
# define rDMAR REG(STM32_ATIM_DMAR_OFFSET)
#else
#define rCR1 REG(STM32_GTIM_CR1_OFFSET)
#define rCR2 REG(STM32_GTIM_CR2_OFFSET)
#define rSMCR REG(STM32_GTIM_SMCR_OFFSET)
@ -226,6 +264,7 @@
#define rCCR4 REG(STM32_GTIM_CCR4_OFFSET)
#define rDCR REG(STM32_GTIM_DCR_OFFSET)
#define rDMAR REG(STM32_GTIM_DMAR_OFFSET)
#endif
class ToneAlarm : public device::CDev
{
@ -396,6 +435,10 @@ ToneAlarm::init()
rCCER = TONE_CCER;
rDCR = 0;
#ifdef rBDTR // If using an advanced timer, you need to activate the output
rBDTR = ATIM_BDTR_MOE; // enable the main output of the advanced timer
#endif
/* toggle the CC output each time the count passes 1 */
TONE_rCCR = 1;