Mirror
/
klipper-dgus
mirror of https://github.com/Desuuuu/klipper.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

stm32: Add hardware pwm for stm32h7 

Signed-off-by: Konstantin Vogel <konstantin.vogel@gmx.net>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
D4SK 2021-06-05 22:52:14 +01:00 committed by Kevin O'Connor
parent 0a55489e2c
commit c1136bef10
2 changed files with 49 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/stm32/Kconfig
View File

@ -61,6 +61,7 @@ choice
config MACH_STM32H750
bool "STM32H750"
select MACH_STM32H7
select HAVE_GPIO_HARD_PWM
endchoice
config MACH_STM32F0

49
src/stm32/hard_pwm.c
View File

@ -4,6 +4,7 @@
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#include "autoconf.h" // CONFIG_MACH_STM32H7
#include "board/irq.h" // irq_save
#include "command.h" // shutdown
#include "gpio.h" // gpio_pwm_write
@ -19,6 +20,49 @@ struct gpio_pwm_info {
};
static const struct gpio_pwm_info pwm_regs[] = {
#if CONFIG_MACH_STM32H7
{TIM2, GPIO('A', 0), 1, 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('A', 1), 2, GPIO_FUNCTION(1)},
{TIM2, GPIO('B', 10), 3, GPIO_FUNCTION(1)},
{TIM2, GPIO('A', 2), 3, GPIO_FUNCTION(1)},
{TIM3, GPIO('C', 6), 1, GPIO_FUNCTION(2)},
{TIM3, GPIO('B', 4), 1, GPIO_FUNCTION(2)},
{TIM3, GPIO('A', 6), 1, GPIO_FUNCTION(2)},
{TIM3, GPIO('C', 7), 2, GPIO_FUNCTION(2)},
{TIM3, GPIO('B', 5), 2, GPIO_FUNCTION(2)},
{TIM3, GPIO('A', 7), 2, GPIO_FUNCTION(2)},
{TIM3, GPIO('C', 8), 3, GPIO_FUNCTION(2)},
{TIM3, GPIO('B', 0), 3, GPIO_FUNCTION(2)},
{TIM4, GPIO('D', 12), 1, GPIO_FUNCTION(2)},
{TIM4, GPIO('B', 6), 1, GPIO_FUNCTION(2)},
{TIM4, GPIO('D', 13), 2, GPIO_FUNCTION(2)},
{TIM4, GPIO('B', 7), 2, GPIO_FUNCTION(2)},
{TIM4, GPIO('D', 14), 3, GPIO_FUNCTION(2)},
{TIM4, GPIO('B', 8), 3, GPIO_FUNCTION(2)},
{TIM5, GPIO('H', 10), 1, GPIO_FUNCTION(2)},
{TIM5, GPIO('A', 0), 1, GPIO_FUNCTION(2)},
{TIM5, GPIO('H', 11), 2, GPIO_FUNCTION(2)},
{TIM5, GPIO('A', 1), 2, GPIO_FUNCTION(2)},
{TIM5, GPIO('H', 12), 3, GPIO_FUNCTION(2)},
{TIM5, GPIO('A', 2), 3, GPIO_FUNCTION(2)},
{TIM12, GPIO('H', 6), 1, GPIO_FUNCTION(2)},
{TIM12, GPIO('B', 14), 1, GPIO_FUNCTION(2)},
{TIM12, GPIO('H', 9), 2, GPIO_FUNCTION(2)},
{TIM12, GPIO('B', 15), 2, GPIO_FUNCTION(2)},
{TIM13, GPIO('F', 8), 1, GPIO_FUNCTION(9)},
{TIM13, GPIO('A', 6), 1, GPIO_FUNCTION(9)},
{TIM14, GPIO('F', 9), 1, GPIO_FUNCTION(9)},
{TIM14, GPIO('A', 7), 1, GPIO_FUNCTION(9)},
{TIM15, GPIO('E', 5), 1, GPIO_FUNCTION(4)},
{TIM15, GPIO('A', 2), 1, GPIO_FUNCTION(4)},
{TIM16, GPIO('F', 6), 1, GPIO_FUNCTION(1)},
{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
{TIM2, GPIO('A', 0), 1, GPIO_FUNCTION(2)},
{TIM2, GPIO('A', 1), 2, GPIO_FUNCTION(2)},
{TIM2, GPIO('A', 2), 3, GPIO_FUNCTION(2)},
@ -43,6 +87,7 @@ static const struct gpio_pwm_info pwm_regs[] = {
{TIM4, GPIO('B', 7), 2, GPIO_FUNCTION(2)},
{TIM4, GPIO('B', 8), 3, GPIO_FUNCTION(2)},
{TIM4, GPIO('B', 9), 4, GPIO_FUNCTION(2)}
#endif
};
struct gpio_pwm
@ -132,7 +177,9 @@ gpio_pwm_setup(uint8_t pin, uint32_t cycle_time, uint8_t val){
}
// Enable PWM output
p->timer->CR1 |= TIM_CR1_CEN;
#if CONFIG_MACH_STM32H7
p->timer->BDTR |= TIM_BDTR_MOE;
#endif
return channel;
}