STM32F411: Allow non-PWM pins as heater output.
This commit is contained in:
Nico Tonnhofer
parent
423c5694d0
commit
afc4c3e8e4
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@ -34,6 +34,8 @@
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Use alphas for PORT and numerics for PIN, close to the design.
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*/
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#define NO_TIMER ((TIM_TypeDef *) 0)
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#define PA_0_PIN 0
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#define PA_0_PORT GPIOA
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#define PA_0_ADC 0
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@ -52,6 +54,10 @@
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#define PA_2_PIN 2
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#define PA_2_PORT GPIOA
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#define PA_2_AF 0
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#define PA_2_TIMER NO_TIMER
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#define PA_2_CHANNEL 1
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#define PA_2_INVERT 0
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// #define PA_2_ADC 2
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// #define PA_2_AF 3
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// #define PA_2_TIMER TIM9
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@ -60,6 +66,10 @@
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#define PA_3_PIN 3
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#define PA_3_PORT GPIOA
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#define PA_3_AF 0
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#define PA_3_TIMER NO_TIMER
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#define PA_3_CHANNEL 1
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#define PA_3_INVERT 0
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// #define PA_3_ADC 3
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// #define PA_3_AF 3
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// #define PA_3_TIMER TIM9
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@ -69,6 +79,10 @@
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#define PA_4_PIN 4
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#define PA_4_PORT GPIOA
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#define PA_4_ADC 4
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#define PA_4_AF 0
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#define PA_4_TIMER NO_TIMER
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#define PA_4_CHANNEL 1
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#define PA_4_INVERT 0
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#define PA_5_PIN 5
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#define PA_5_PORT GPIOA
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@ -81,6 +95,10 @@
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#define PA_6_PIN 6
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#define PA_6_PORT GPIOA
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#define PA_6_ADC 6
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#define PA_6_AF 0
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#define PA_6_TIMER NO_TIMER
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#define PA_6_CHANNEL 1
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#define PA_6_INVERT 0
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// #define PA_6_AF 2
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// #define PA_6_TIMER TIM3
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// #define PA_6_CHANNEL 1
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@ -89,6 +107,10 @@
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#define PA_7_PIN 7
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#define PA_7_PORT GPIOA
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#define PA_7_ADC 7
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#define PA_7_AF 0
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#define PA_7_TIMER NO_TIMER
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#define PA_7_CHANNEL 1
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#define PA_7_INVERT 0
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// #define PA_7_AF 1
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// #define PA_7_TIMER TIM1
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// #define PA_7_CHANNEL 1
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@ -117,22 +139,38 @@
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#define PA_11_PIN 11
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#define PA_11_PORT GPIOA
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#define PA_11_AF 1
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#define PA_11_TIMER TIM1
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#define PA_11_CHANNEL 4
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#define PA_11_INVERT 0
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#define PA_11_AF 1
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#define PA_11_TIMER TIM1
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#define PA_11_CHANNEL 4
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#define PA_11_INVERT 0
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#define PA_12_PIN 12
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#define PA_12_PORT GPIOA
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#define PA_12_AF 0
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#define PA_12_TIMER NO_TIMER
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#define PA_12_CHANNEL 0
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#define PA_12_INVERT 0
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#define PA_13_PIN 13
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#define PA_13_PORT GPIOA
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#define PA_13_AF 0
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#define PA_13_TIMER NO_TIMER
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#define PA_13_CHANNEL 0
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#define PA_13_INVERT 0
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#define PA_14_PIN 14
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#define PA_14_PORT GPIOA
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#define PA_14_AF 0
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#define PA_14_TIMER NO_TIMER
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#define PA_14_CHANNEL 0
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#define PA_14_INVERT 0
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#define PA_15_PIN 15
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#define PA_15_PORT GPIOA
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#define PA_15_AF 0
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#define PA_15_TIMER NO_TIMER
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#define PA_15_CHANNEL 0
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#define PA_15_INVERT 0
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// #define PA_15_AF 1
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// #define PA_15_TIMER TIM2
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// #define PA_15_CHANNEL 1
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@ -156,9 +194,17 @@
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#define PB_2_PIN 2
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#define PB_2_PORT GPIOB
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#define PB_2_AF 0
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#define PB_2_TIMER NO_TIMER
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#define PB_2_CHANNEL 1
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#define PB_2_INVERT 0
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#define PB_3_PIN 3
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#define PB_3_PORT GPIOB
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#define PB_3_AF 0
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#define PB_3_TIMER NO_TIMER
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#define PB_3_CHANNEL 1
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#define PB_3_INVERT 0
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// #define PB_3_AF 1
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// #define PB_3_TIMER TIM2
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// #define PB_3_CHANNEL 2
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@ -215,9 +261,17 @@
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#define PB_12_PIN 12
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#define PB_12_PORT GPIOB
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#define PB_12_AF 0
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#define PB_12_TIMER NO_TIMER
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#define PB_12_CHANNEL 0
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#define PB_12_INVERT 0
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#define PB_13_PIN 13
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#define PB_13_PORT GPIOB
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#define PB_13_AF 0
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#define PB_13_TIMER NO_TIMER
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#define PB_13_CHANNEL 0
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#define PB_13_INVERT 0
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// #define PB_13_AF 1
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// #define PB_13_TIMER TIM1
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// #define PB_13_CHANNEL 1
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@ -225,6 +279,10 @@
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#define PB_14_PIN 14
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#define PB_14_PORT GPIOB
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#define PB_14_AF 0
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#define PB_14_TIMER NO_TIMER
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#define PB_14_CHANNEL 0
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#define PB_14_INVERT 0
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// #define PB_14_AF 1
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// #define PB_14_TIMER TIM1
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// #define PB_14_CHANNEL 2
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@ -232,6 +290,10 @@
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#define PB_15_PIN 15
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#define PB_15_PORT GPIOB
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#define PB_15_AF 0
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#define PB_15_TIMER NO_TIMER
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#define PB_15_CHANNEL 0
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#define PB_15_INVERT 0
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// #define PB_15_AF 1
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// #define PB_15_TIMER TIM1
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// #define PB_15_CHANNEL 3
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@ -240,29 +302,57 @@
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#define PC_0_PIN 0
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#define PC_0_PORT GPIOC
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#define PC_0_ADC 10
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#define PC_0_AF 0
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#define PC_0_TIMER NO_TIMER
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#define PC_0_CHANNEL 1
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#define PC_0_INVERT 0
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#define PC_1_PIN 1
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#define PC_1_PORT GPIOC
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#define PC_1_ADC 11
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#define PC_1_AF 0
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#define PC_1_TIMER NO_TIMER
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#define PC_1_CHANNEL 1
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#define PC_1_INVERT 0
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#define PC_2_PIN 2
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#define PC_2_PORT GPIOC
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#define PC_2_ADC 12
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#define PC_2_AF 0
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#define PC_2_TIMER NO_TIMER
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#define PC_2_CHANNEL 1
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#define PC_2_INVERT 0
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#define PC_3_PIN 3
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#define PC_3_PORT GPIOC
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#define PC_3_ADC 13
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#define PC_3_AF 0
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#define PC_3_TIMER NO_TIMER
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#define PC_3_CHANNEL 1
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#define PC_3_INVERT 0
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#define PC_4_PIN 4
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#define PC_4_PORT GPIOC
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#define PC_4_ADC 14
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#define PC_4_AF 0
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#define PC_4_TIMER NO_TIMER
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#define PC_4_CHANNEL 1
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#define PC_4_INVERT 0
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#define PC_5_PIN 5
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#define PC_5_PORT GPIOC
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#define PC_5_ADC 15
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#define PC_5_AF 0
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#define PC_5_TIMER NO_TIMER
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#define PC_5_CHANNEL 1
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#define PC_5_INVERT 0
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#define PC_6_PIN 6
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#define PC_6_PORT GPIOC
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#define PC_6_AF 0
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#define PC_6_TIMER NO_TIMER
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#define PC_6_CHANNEL 1
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#define PC_6_INVERT 0
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// #define PC_6_AF 2
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// #define PC_6_TIMER TIM3
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// #define PC_6_CHANNEL 1
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@ -270,6 +360,10 @@
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#define PC_7_PIN 7
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#define PC_7_PORT GPIOC
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#define PC_7_AF 0
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#define PC_7_TIMER NO_TIMER
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#define PC_7_CHANNEL 1
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#define PC_7_INVERT 0
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// #define PC_7_AF 2
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// #define PC_7_TIMER TIM3
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// #define PC_7_CHANNEL 2
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@ -277,6 +371,10 @@
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#define PC_8_PIN 8
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#define PC_8_PORT GPIOC
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#define PC_8_AF 0
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#define PC_8_TIMER NO_TIMER
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#define PC_8_CHANNEL 1
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#define PC_8_INVERT 0
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// #define PC_8_AF 2
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// #define PC_8_TIMER TIM3
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// #define PC_8_CHANNEL 3
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@ -284,6 +382,10 @@
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#define PC_9_PIN 9
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#define PC_9_PORT GPIOC
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#define PC_9_AF 0
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#define PC_9_TIMER NO_TIMER
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#define PC_9_CHANNEL 1
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#define PC_9_INVERT 0
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// #define PC_9_AF 2
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// #define PC_9_TIMER TIM3
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// #define PC_9_CHANNEL 4
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@ -291,27 +393,63 @@
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#define PC_10_PIN 10
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#define PC_10_PORT GPIOC
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#define PC_10_AF 0
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#define PC_10_TIMER NO_TIMER
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#define PC_10_CHANNEL 0
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#define PC_10_INVERT 0
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#define PC_11_PIN 11
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#define PC_11_PORT GPIOC
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#define PC_11_AF 0
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#define PC_11_TIMER NO_TIMER
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#define PC_11_CHANNEL 0
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#define PC_11_INVERT 0
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#define PC_12_PIN 12
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#define PC_12_PORT GPIOC
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#define PC_12_AF 0
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#define PC_12_TIMER NO_TIMER
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#define PC_12_CHANNEL 1
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#define PC_12_INVERT 0
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#define PC_13_PIN 13
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#define PC_13_PORT GPIOC
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#define PC_13_AF 0
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#define PC_13_TIMER NO_TIMER
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#define PC_13_CHANNEL 1
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#define PC_13_INVERT 0
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#define PC_14_PIN 14
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#define PC_14_PORT GPIOC
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#define PC_14_AF 0
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#define PC_14_TIMER NO_TIMER
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#define PC_14_CHANNEL 1
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#define PC_14_INVERT 0
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#define PC_15_PIN 15
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#define PC_15_PORT GPIOC
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#define PC_15_AF 0
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#define PC_15_TIMER NO_TIMER
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#define PC_15_CHANNEL 1
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#define PC_15_INVERT 0
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#define PD_2_PIN 2
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#define PD_2_PORT GPIOD
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#define PD_2_AF 0
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#define PD_2_TIMER NO_TIMER
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#define PD_2_CHANNEL 1
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#define PD_2_INVERT 0
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#define PH_0_PIN 0
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#define PH_0_PORT GPIOH
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#define PH_0_AF 0
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#define PH_0_TIMER NO_TIMER
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#define PH_0_CHANNEL 1
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#define PH_0_INVERT 0
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#define PH_1_PIN 1
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#define PH_1_PORT GPIOH
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#define PH_1_AF 0
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#define PH_1_TIMER NO_TIMER
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#define PH_1_CHANNEL 1
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#define PH_1_INVERT 0
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155
heater-stm32.c
155
heater-stm32.c
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@ -61,13 +61,25 @@
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#include "config_wrapper.h" trick.
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*/
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typedef struct {
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/// Pointer to the capture compare register which changes PWM duty.
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__IO uint32_t* ccr;
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union {
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/// Pointer to the capture compare register which changes PWM duty.
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__IO uint32_t* ccr;
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/// Pointer to the port for non-PWM pins.
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__IO uint32_t* bsrr;
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};
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uint16_t masked_pin;
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uint8_t uses_pwm;
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} heater_definition_t;
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#undef DEFINE_HEATER
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#define DEFINE_HEATER(name, pin, pwm) \
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{ &(pin ## _TIMER-> EXPANDER(CCR, pin ## _CHANNEL,)) },
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{ \
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{ pwm && pin ## _TIMER ? \
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&(pin ## _TIMER-> EXPANDER(CCR, pin ## _CHANNEL,)) : \
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&(pin ## _PORT->BSRR) }, \
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MASK(pin ## _PIN), \
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pwm && pin ## _TIMER \
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},
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static const heater_definition_t heaters[NUM_HEATERS] = {
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#include "config_wrapper.h"
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};
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@ -141,70 +153,72 @@ void heater_init() {
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- PIOC_9 PWM3/4 02 SDA3
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*/
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if (NUM_HEATERS) { // At least one channel in use.
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uint32_t freq;
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uint8_t macro_mask;
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// Auto-generate pin setup.
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#undef DEFINE_HEATER
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#define DEFINE_HEATER(name, pin, pwm) \
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if (pin ## _TIMER == TIM1) { \
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RCC->APB2ENR |= RCC_APB2ENR_TIM1EN; } /* turn on TIM1 */ \
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else if (pin ## _TIMER == TIM2) { \
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RCC->APB1ENR |= RCC_APB1ENR_TIM2EN; } /* turn on TIM2 */ \
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else if (pin ## _TIMER == TIM3) { \
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RCC->APB1ENR |= RCC_APB1ENR_TIM3EN; } /* turn on TIM3 */ \
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else if (pin ## _TIMER == TIM4) { \
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RCC->APB1ENR |= RCC_APB1ENR_TIM4EN; } /* turn on TIM4 */ \
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/* TIM5 is for stepper, TIM9, TIM10 and TIM11 are not used */ \
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pin ## _PORT->MODER &= ~(3 << (pin ## _PIN << 1)); /* reset pin mode */ \
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pin ## _PORT->MODER |= (2 << (pin ## _PIN << 1)); /* pin mode to AF */ \
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pin ## _PORT->OSPEEDR |= (3 << (pin ## _PIN << 1)); /* high speed */ \
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pin ## _PORT->PUPDR &= ~(3 << ((pin ## _PIN) << 1)); /* no pullup-pulldown */ \
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macro_mask = pin ## _PIN < 8 ? (pin ## _PIN) : (pin ## _PIN - 8); \
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/* we have to registers for AFR. ARF[0] for the first 8, ARF[1] for the second 8*/ \
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/* also we use this to keep the compiler happy and don't shift > 32 */ \
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if (pin ## _PIN < 8) { \
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pin ## _PORT->AFR[0] |= pin ## _AF << (macro_mask * 4); \
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} else { \
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pin ## _PORT->AFR[1] |= pin ## _AF << (macro_mask * 4); \
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} \
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/* AFR is a 64bit register, first half are for pin 0-7, second half 8-15 */ \
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pin ## _TIMER->CR1 |= TIM_CR1_ARPE; /* auto-reload preload */ \
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pin ## _TIMER->ARR = PWM_SCALE - 1; /* reset on auto reload at 254 */ \
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/* PWM_SCALE - 1, so CCR = 255 is full off. */ \
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pin ## _TIMER-> EXPANDER(CCR, pin ## _CHANNEL,) = 0; /* start off */ \
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freq = F_CPU / PWM_SCALE / pwm; /* Figure PWM freq. */ \
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if (freq > 65535) \
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freq = 65535; \
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if (freq < 1) \
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freq = 1; \
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pin ## _TIMER->PSC = freq - 1; /* 1kHz */ \
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macro_mask = pin ## _CHANNEL > 2 ? 2 : 1; \
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if (macro_mask == 1) { \
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pin ## _TIMER->CCMR1 |= 0x0D << (3 + (8 * (pin ## _CHANNEL / macro_mask - 1))); \
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/* ch 2 / mm 1 - 1 = 1, ch 1 / mm 1 - 1 = 0*/ \
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} else { \
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pin ## _TIMER->CCMR2 |= 0x0D << (3 + (8 * (pin ## _CHANNEL / macro_mask - 1))); \
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/* ch 4 / mm 2 - 1 = 1, ch 3 / mm 2 - 1 = 0*/ \
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} \
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pin ## _TIMER->CCER |= EXPANDER(TIM_CCER_CC, pin ## _CHANNEL, E); \
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/* output enable */ \
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if (pin ## _INVERT) { \
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pin ## _TIMER->CCER |= EXPANDER(TIM_CCER_CC, pin ## _CHANNEL, P); \
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} else { \
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pin ## _TIMER->CCER &= ~(EXPANDER(TIM_CCER_CC, pin ## _CHANNEL, P)); \
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} \
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/* invert the signal for negated timers*/ \
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/* TODO: use this also with a XOR for inverted heaters later */ \
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pin ## _TIMER->EGR |= TIM_EGR_UG; /* update generation */ \
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pin ## _TIMER->CR1 |= TIM_CR1_CEN; /* enable counters */
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// Auto-generate pin setup.
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#undef DEFINE_HEATER
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#define DEFINE_HEATER(name, pin, pwm) \
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if (pwm && pin ## _TIMER) { \
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uint32_t freq; \
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uint8_t macro_mask; \
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if (pin ## _TIMER == TIM1) { \
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RCC->APB2ENR |= RCC_APB2ENR_TIM1EN; } /* turn on TIM1 */ \
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else if (pin ## _TIMER == TIM2) { \
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RCC->APB1ENR |= RCC_APB1ENR_TIM2EN; } /* turn on TIM2 */ \
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else if (pin ## _TIMER == TIM3) { \
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RCC->APB1ENR |= RCC_APB1ENR_TIM3EN; } /* turn on TIM3 */ \
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else if (pin ## _TIMER == TIM4) { \
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RCC->APB1ENR |= RCC_APB1ENR_TIM4EN; } /* turn on TIM4 */ \
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/* TIM5 is for stepper, TIM9, TIM10 and TIM11 are not used */ \
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pin ## _PORT->MODER &= ~(3 << (pin ## _PIN << 1)); /* reset pin mode */ \
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pin ## _PORT->MODER |= (2 << (pin ## _PIN << 1)); /* pin mode to AF */ \
|
||||
pin ## _PORT->OSPEEDR |= (3 << (pin ## _PIN << 1)); /* high speed */ \
|
||||
pin ## _PORT->PUPDR &= ~(3 << ((pin ## _PIN) << 1)); /* no pullup-pulldown */ \
|
||||
macro_mask = pin ## _PIN < 8 ? (pin ## _PIN) : (pin ## _PIN - 8); \
|
||||
/* we have to registers for AFR. ARF[0] for the first 8, ARF[1] for the second 8*/ \
|
||||
/* also we use this to keep the compiler happy and don't shift > 32 */ \
|
||||
if (pin ## _PIN < 8) { \
|
||||
pin ## _PORT->AFR[0] |= pin ## _AF << (macro_mask * 4); \
|
||||
} else { \
|
||||
pin ## _PORT->AFR[1] |= pin ## _AF << (macro_mask * 4); \
|
||||
} \
|
||||
/* AFR is a 64bit register, first half are for pin 0-7, second half 8-15 */ \
|
||||
pin ## _TIMER->CR1 |= TIM_CR1_ARPE; /* auto-reload preload */ \
|
||||
pin ## _TIMER->ARR = PWM_SCALE - 1; /* reset on auto reload at 254 */ \
|
||||
/* PWM_SCALE - 1, so CCR = 255 is full off. */ \
|
||||
pin ## _TIMER-> EXPANDER(CCR, pin ## _CHANNEL,) = 0; /* start off */ \
|
||||
freq = F_CPU / PWM_SCALE / (pwm ? pwm : 1); /* Figure PWM freq. */ \
|
||||
if (freq > 65535) \
|
||||
freq = 65535; \
|
||||
if (freq < 1) \
|
||||
freq = 1; \
|
||||
pin ## _TIMER->PSC = freq - 1; /* 1kHz */ \
|
||||
macro_mask = pin ## _CHANNEL > 2 ? 2 : 1; \
|
||||
if (macro_mask == 1) { \
|
||||
pin ## _TIMER->CCMR1 |= 0x0D << (3 + (8 * (pin ## _CHANNEL / macro_mask - 1))); \
|
||||
/* ch 2 / mm 1 - 1 = 1, ch 1 / mm 1 - 1 = 0*/ \
|
||||
} else { \
|
||||
pin ## _TIMER->CCMR2 |= 0x0D << (3 + (8 * (pin ## _CHANNEL / macro_mask - 1))); \
|
||||
/* ch 4 / mm 2 - 1 = 1, ch 3 / mm 2 - 1 = 0*/ \
|
||||
} \
|
||||
pin ## _TIMER->CCER |= EXPANDER(TIM_CCER_CC, pin ## _CHANNEL, E); \
|
||||
/* output enable */ \
|
||||
if (pin ## _INVERT) { \
|
||||
pin ## _TIMER->CCER |= EXPANDER(TIM_CCER_CC, pin ## _CHANNEL, P); \
|
||||
} else { \
|
||||
pin ## _TIMER->CCER &= ~(EXPANDER(TIM_CCER_CC, pin ## _CHANNEL, P)); \
|
||||
} \
|
||||
/* invert the signal for negated timers*/ \
|
||||
/* TODO: use this also with a XOR for inverted heaters later */ \
|
||||
pin ## _TIMER->EGR |= TIM_EGR_UG; /* update generation */ \
|
||||
pin ## _TIMER->CR1 |= TIM_CR1_CEN; /* enable counters */ \
|
||||
} \
|
||||
else { \
|
||||
SET_OUTPUT(pin); \
|
||||
WRITE(pin, 0); \
|
||||
}
|
||||
|
||||
#include "config_wrapper.h"
|
||||
#undef DEFINE_HEATER
|
||||
|
||||
} /* NUM_HEATERS */
|
||||
|
||||
#if 0
|
||||
pid_init(i);
|
||||
#endif /* 0 */
|
||||
|
|
@ -226,12 +240,17 @@ void heater_set(heater_t index, uint8_t value) {
|
|||
|
||||
heaters_runtime[index].heater_output = value;
|
||||
|
||||
// Remember, we scale, and duty cycle is inverted.
|
||||
*heaters[index].ccr = (uint32_t)value * (PWM_SCALE / 255);
|
||||
|
||||
if (DEBUG_PID && (debug_flags & DEBUG_PID))
|
||||
sersendf_P(PSTR("PWM %su = %lu\n"), index, *heaters[index].ccr);
|
||||
if (heaters[index].uses_pwm) {
|
||||
// Remember, we scale, and duty cycle is inverted.
|
||||
*heaters[index].ccr = (uint32_t)value * (PWM_SCALE / 255);
|
||||
|
||||
if (DEBUG_PID && (debug_flags & DEBUG_PID))
|
||||
sersendf_P(PSTR("PWM %su = %lu\n"), index, *heaters[index].ccr);
|
||||
}
|
||||
else {
|
||||
*(heaters[index].bsrr) =
|
||||
heaters[index].masked_pin << ((value >= HEATER_THRESHOLD) ? 0 : 16);
|
||||
}
|
||||
if (value)
|
||||
power_on();
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue