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stm32: Adding Hardware PWM support for the STM32F4 processors (#4693) 

This change has been expanded to include all STM32F4 processors, since they share a common TIMER mapping with some processors just not having all of the timers and pins.

Signed-off-by: Jerome Helbert <jerome@helbert.net>
This commit is contained in:
jrhelbert 2021-10-11 15:31:27 -05:00 committed by GitHub
parent 5d52a3b19f
commit dbafeb8876
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 67 additions and 1 deletions
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5
src/stm32/Kconfig
View File

@ -34,21 +34,26 @@ choice
config MACH_STM32F401
bool "STM32F401"
select MACH_STM32F4
select HAVE_GPIO_HARD_PWM
config MACH_STM32F405
bool "STM32F405"
select MACH_STM32F4
select MACH_STM32F4x5
select HAVE_GPIO_HARD_PWM
config MACH_STM32F407
bool "STM32F407"
select MACH_STM32F4
select MACH_STM32F4x5
select HAVE_GPIO_HARD_PWM
config MACH_STM32F429
bool "STM32F429"
select MACH_STM32F4
select MACH_STM32F4x5
select HAVE_GPIO_HARD_PWM
config MACH_STM32F446
bool "STM32F446"
select MACH_STM32F4
select HAVE_GPIO_HARD_PWM
config MACH_STM32F031
bool "STM32F031"
select MACH_STM32F0

63
src/stm32/hard_pwm.c
View File

@ -62,7 +62,8 @@ static const struct gpio_pwm_info pwm_regs[] = {
{TIM16, GPIO('B', 8), 1, GPIO_FUNCTION(1)},
{TIM17, GPIO('F', 7), 1, GPIO_FUNCTION(1)},
{TIM17, GPIO('B', 9), 1, GPIO_FUNCTION(1)}
#else
#endif
#if CONFIG_MACH_STM32F103
{TIM2, GPIO('A', 0), 1, GPIO_FUNCTION(2)},
{TIM2, GPIO('A', 1), 2, GPIO_FUNCTION(2)},
{TIM2, GPIO('A', 2), 3, GPIO_FUNCTION(2)},
@ -88,6 +89,66 @@ static const struct gpio_pwm_info pwm_regs[] = {
{TIM4, GPIO('B', 8), 3, GPIO_FUNCTION(2)},
{TIM4, GPIO('B', 9), 4, GPIO_FUNCTION(2)}
#endif
#if CONFIG_MACH_STM32F401
{TIM3, GPIO('A', 6), 1, GPIO_FUNCTION(2)},
{TIM3, GPIO('C', 6), 1, GPIO_FUNCTION(3)},
{TIM3, GPIO('A', 7), 2, GPIO_FUNCTION(2)},
{TIM3, GPIO('C', 7), 2, GPIO_FUNCTION(3)},
{TIM3, GPIO('C', 8), 3, GPIO_FUNCTION(3)},
{TIM3, GPIO('C', 9), 4, GPIO_FUNCTION(3)},
#endif
#if CONFIG_MACH_STM32F446
{TIM2, GPIO('B', 2), 4, GPIO_FUNCTION(1)},
#endif
#if CONFIG_MACH_STM32F405 || \
CONFIG_MACH_STM32F407 || \
CONFIG_MACH_STM32F429 || \
CONFIG_MACH_STM32F446
{TIM8, GPIO('C', 6), 1, GPIO_FUNCTION(3)},
{TIM8, GPIO('C', 7), 2, GPIO_FUNCTION(3)},
{TIM8, GPIO('C', 8), 3, GPIO_FUNCTION(3)},
{TIM8, GPIO('C', 9), 4, GPIO_FUNCTION(3)},
{TIM11, GPIO('F', 7), 1, GPIO_FUNCTION(3)},
{TIM12, GPIO('B', 14), 1, GPIO_FUNCTION(9)},
{TIM12, GPIO('B', 15), 2, GPIO_FUNCTION(9)},
{TIM13, GPIO('A', 6), 1, GPIO_FUNCTION(9)},
{TIM13, GPIO('F', 8), 1, GPIO_FUNCTION(9)},
{TIM14, GPIO('A', 7), 1, GPIO_FUNCTION(9)},
{TIM14, GPIO('F', 9), 1, GPIO_FUNCTION(9)},
#endif
#if CONFIG_MACH_STM32F4 // Pins that map to all klipper defined STM32F4 procs
{TIM1, GPIO('A', 8), 1, GPIO_FUNCTION(1)},
{TIM1, GPIO('E', 9), 1, GPIO_FUNCTION(1)},
{TIM1, GPIO('A', 9), 2, GPIO_FUNCTION(1)},
{TIM1, GPIO('E', 11), 2, GPIO_FUNCTION(1)},
{TIM1, GPIO('A', 10), 3, GPIO_FUNCTION(1)},
{TIM1, GPIO('E', 13), 3, GPIO_FUNCTION(1)},
{TIM1, GPIO('A', 11), 4, GPIO_FUNCTION(1)},
{TIM1, GPIO('E', 14), 4, GPIO_FUNCTION(1)},
{TIM2, GPIO('A', 5), 1, GPIO_FUNCTION(1)},
{TIM2, GPIO('A', 15), 1, GPIO_FUNCTION(1)},
{TIM2, GPIO('B', 3), 2, GPIO_FUNCTION(1)},
{TIM2, GPIO('B', 10), 3, GPIO_FUNCTION(1)},
{TIM2, GPIO('B', 11), 4, GPIO_FUNCTION(1)},
{TIM3, GPIO('B', 4), 1, GPIO_FUNCTION(2)},
{TIM3, GPIO('B', 5), 2, GPIO_FUNCTION(2)},
{TIM3, GPIO('B', 0), 3, GPIO_FUNCTION(2)},
{TIM3, GPIO('B', 1), 4, GPIO_FUNCTION(2)},
{TIM4, GPIO('B', 6), 1, GPIO_FUNCTION(2)},
{TIM4, GPIO('D', 12), 1, GPIO_FUNCTION(2)},
{TIM4, GPIO('B', 7), 2, GPIO_FUNCTION(2)},
{TIM4, GPIO('D', 13), 2, GPIO_FUNCTION(2)},
{TIM4, GPIO('D', 14), 3, GPIO_FUNCTION(2)},
{TIM4, GPIO('D', 15), 4, GPIO_FUNCTION(2)},
{TIM5, GPIO('A', 0), 1, GPIO_FUNCTION(2)},
{TIM5, GPIO('A', 1), 2, GPIO_FUNCTION(2)},
{TIM5, GPIO('A', 2), 3, GPIO_FUNCTION(2)},
{TIM5, GPIO('A', 3), 4, GPIO_FUNCTION(2)},
{TIM9, GPIO('E', 5), 1, GPIO_FUNCTION(3)},
{TIM9, GPIO('E', 6), 2, GPIO_FUNCTION(3)},
{TIM10, GPIO('B', 8), 1, GPIO_FUNCTION(3)},
{TIM11, GPIO('B', 9), 1, GPIO_FUNCTION(3)}
#endif
};
struct gpio_pwm