From 31af9646e6d1316cd960d8cff98c524c2f25934a Mon Sep 17 00:00:00 2001 From: Jason Chestnut Date: Wed, 23 Sep 2020 16:05:29 -0400 Subject: [PATCH 1/8] Adding kconfig flag for enabling matrix polling (vs interrupts) on the matrix gpio driver. --- app/drivers/zephyr/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/app/drivers/zephyr/Kconfig b/app/drivers/zephyr/Kconfig index 0237846a..a5b6d20c 100644 --- a/app/drivers/zephyr/Kconfig +++ b/app/drivers/zephyr/Kconfig @@ -9,6 +9,10 @@ config ZMK_KSCAN_GPIO_POLLING bool "Poll for key event triggers instead of using interrupts" default n +config ZMK_KSCAN_GPIO_MATRIX_POLLING + bool "Poll for key event triggers instead of using interrupts on matrix boards." + default n + endif config ZMK_KSCAN_INIT_PRIORITY From 53425aa3c4719908eb8e6ed23057188f4e502237 Mon Sep 17 00:00:00 2001 From: Jason Chestnut Date: Thu, 24 Sep 2020 07:55:32 -0400 Subject: [PATCH 2/8] Rename kscan direct wired driver polling kscan flag in preparationfor addition of new matrix driver flag that enables polling. --- app/drivers/zephyr/Kconfig | 4 ++-- app/drivers/zephyr/kscan_gpio_direct.c | 18 +++++++++--------- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/app/drivers/zephyr/Kconfig b/app/drivers/zephyr/Kconfig index a5b6d20c..0bf6c0a6 100644 --- a/app/drivers/zephyr/Kconfig +++ b/app/drivers/zephyr/Kconfig @@ -5,11 +5,11 @@ config ZMK_KSCAN_GPIO_DRIVER if ZMK_KSCAN_GPIO_DRIVER -config ZMK_KSCAN_GPIO_POLLING +config ZMK_KSCAN_MATRIX_POLLING bool "Poll for key event triggers instead of using interrupts" default n -config ZMK_KSCAN_GPIO_MATRIX_POLLING +config ZMK_KSCAN_DIRECT_POLLING bool "Poll for key event triggers instead of using interrupts on matrix boards." default n diff --git a/app/drivers/zephyr/kscan_gpio_direct.c b/app/drivers/zephyr/kscan_gpio_direct.c index 1e5ab59e..7ba3399b 100644 --- a/app/drivers/zephyr/kscan_gpio_direct.c +++ b/app/drivers/zephyr/kscan_gpio_direct.c @@ -33,9 +33,9 @@ struct kscan_gpio_config { }; struct kscan_gpio_data { -#if defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) +#if defined(ZMK_KSCAN_DIRECT_POLLING) struct k_timer poll_timer; -#endif /* defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) */ +#endif /* defined(ZMK_KSCAN_DIRECT_POLLING) */ kscan_callback_t callback; union work_reference work; struct device *dev; @@ -53,7 +53,7 @@ static const struct kscan_gpio_item_config *kscan_gpio_input_configs(struct devi return cfg->inputs; } -#if !defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) +#if !defined(ZMK_KSCAN_DIRECT_POLLING) struct kscan_gpio_irq_callback { union work_reference *work; @@ -101,7 +101,7 @@ static void kscan_gpio_irq_callback_handler(struct device *dev, struct gpio_call } } -#else /* !defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) */ +#else /* !defined(ZMK_KSCAN_DIRECT_POLLING) */ static void kscan_gpio_timer_handler(struct k_timer *timer) { struct kscan_gpio_data *data = CONTAINER_OF(timer, struct kscan_gpio_data, poll_timer); @@ -120,7 +120,7 @@ static int kscan_gpio_direct_disable(struct device *dev) { return 0; } -#endif /* defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) */ +#endif /* defined(ZMK_KSCAN_DIRECT_POLLING) */ static int kscan_gpio_direct_configure(struct device *dev, kscan_callback_t callback) { struct kscan_gpio_data *data = dev->driver_data; @@ -173,7 +173,7 @@ static const struct kscan_driver_api gpio_driver_api = { #define INST_INPUT_LEN(n) DT_INST_PROP_LEN(n, input_gpios) #define GPIO_INST_INIT(n) \ - COND_CODE_0(CONFIG_ZMK_KSCAN_GPIO_POLLING, \ + COND_CODE_0(ZMK_KSCAN_DIRECT_POLLING, \ (static struct kscan_gpio_irq_callback irq_callbacks_##n[INST_INPUT_LEN(n)];), ()) \ static struct kscan_gpio_data kscan_gpio_data_##n = { \ .inputs = {[INST_INPUT_LEN(n) - 1] = NULL}}; \ @@ -195,7 +195,7 @@ static const struct kscan_driver_api gpio_driver_api = { return err; \ } \ COND_CODE_0( \ - CONFIG_ZMK_KSCAN_GPIO_POLLING, \ + ZMK_KSCAN_DIRECT_POLLING, \ (irq_callbacks_##n[i].work = &data->work; \ irq_callbacks_##n[i].debounce_period = cfg->debounce_period; \ gpio_init_callback(&irq_callbacks_##n[i].callback, \ @@ -208,7 +208,7 @@ static const struct kscan_driver_api gpio_driver_api = { ()) \ } \ data->dev = dev; \ - COND_CODE_1(CONFIG_ZMK_KSCAN_GPIO_POLLING, \ + COND_CODE_1(ZMK_KSCAN_DIRECT_POLLING, \ (k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);), ()) \ if (cfg->debounce_period > 0) { \ k_delayed_work_init(&data->work.delayed, kscan_gpio_work_handler); \ @@ -227,4 +227,4 @@ static const struct kscan_driver_api gpio_driver_api = { DT_INST_FOREACH_STATUS_OKAY(GPIO_INST_INIT) -#endif /* DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) */ \ No newline at end of file +#endif /* DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) */ From 5c4705d465d4b5f742299cf77f549186c9cc7933 Mon Sep 17 00:00:00 2001 From: Jason Chestnut Date: Thu, 24 Sep 2020 14:30:47 -0400 Subject: [PATCH 3/8] Add new matrix scan flag and implementation in the gpio matrix driver. --- app/boards/arm/planck/Kconfig.defconfig | 3 + .../clueboard_california/Kconfig.defconfig | 2 +- app/drivers/zephyr/Kconfig | 6 +- app/drivers/zephyr/kscan_gpio_matrix.c | 133 ++++++++++++------ 4 files changed, 95 insertions(+), 49 deletions(-) diff --git a/app/boards/arm/planck/Kconfig.defconfig b/app/boards/arm/planck/Kconfig.defconfig index 6f5bf525..913c1c13 100644 --- a/app/boards/arm/planck/Kconfig.defconfig +++ b/app/boards/arm/planck/Kconfig.defconfig @@ -11,4 +11,7 @@ config ZMK_KEYBOARD_NAME config ZMK_USB default y +config ZMK_KSCAN_MATRIX_POLLING + default y + endif # BOARD_PLANCK_REV6 diff --git a/app/boards/shields/clueboard_california/Kconfig.defconfig b/app/boards/shields/clueboard_california/Kconfig.defconfig index 2408f9ff..e101ea76 100644 --- a/app/boards/shields/clueboard_california/Kconfig.defconfig +++ b/app/boards/shields/clueboard_california/Kconfig.defconfig @@ -8,7 +8,7 @@ config ZMK_KEYBOARD_NAME # across A & B controllers, and STM32F303CCT6 can't enable # interrutps for multiple controllers for the same "line" # for the external interrupts. -config ZMK_KSCAN_GPIO_POLLING +config ZMK_KSCAN_DIRECT_POLLING default y endif diff --git a/app/drivers/zephyr/Kconfig b/app/drivers/zephyr/Kconfig index 0bf6c0a6..c5ff3a66 100644 --- a/app/drivers/zephyr/Kconfig +++ b/app/drivers/zephyr/Kconfig @@ -6,11 +6,11 @@ config ZMK_KSCAN_GPIO_DRIVER if ZMK_KSCAN_GPIO_DRIVER config ZMK_KSCAN_MATRIX_POLLING - bool "Poll for key event triggers instead of using interrupts" - default n + bool "Poll for key event triggers instead of using interrupts on matrix boards." + default y config ZMK_KSCAN_DIRECT_POLLING - bool "Poll for key event triggers instead of using interrupts on matrix boards." + bool "Poll for key event triggers instead of using interrupts on direct wired boards." default n endif diff --git a/app/drivers/zephyr/kscan_gpio_matrix.c b/app/drivers/zephyr/kscan_gpio_matrix.c index 634f694c..46616ff5 100644 --- a/app/drivers/zephyr/kscan_gpio_matrix.c +++ b/app/drivers/zephyr/kscan_gpio_matrix.c @@ -31,6 +31,8 @@ struct kscan_gpio_item_config { #define _KSCAN_GPIO_ROW_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, row_gpios, idx) #define _KSCAN_GPIO_COL_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, col_gpios, idx) +#if !defined(ZMK_KSCAN_MATRIX_POLLING) +/* Set up for interrupt-based input. */ static int kscan_gpio_config_interrupts(struct device **devices, const struct kscan_gpio_item_config *configs, size_t len, gpio_flags_t flags) { @@ -48,6 +50,61 @@ static int kscan_gpio_config_interrupts(struct device **devices, return 0; } + +#define KSCAN_GPIO_MATRIX_ENABLE(n) \ +static int kscan_gpio_matrix_enable(struct device *dev) { \ + return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ + kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ + GPIO_INT_DEBOUNCE | GPIO_INT_EDGE_BOTH); \ +} \ + +#define KSCAN_GPIO_MATRIX_DISABLE(n) \ +static int kscan_gpio_matrix_disable(struct device *dev) { \ + return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ + kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ + GPIO_INT_DISABLE); \ +} \ + +#define KSCAN_GPIO_CALLBACK_HANDLER(n) \ +static void kscan_gpio_irq_callback_handler_##n(struct device *dev, struct gpio_callback *cb, \ + gpio_port_pins_t pin) { \ + struct kscan_gpio_irq_callback_##n *data = \ + CONTAINER_OF(cb, struct kscan_gpio_irq_callback_##n, callback); \ + COND_CODE_0(DT_INST_PROP(n, debounce_period), ({ k_work_submit(data->work); }), ({ \ + k_delayed_work_cancel(data->work); \ + k_delayed_work_submit(data->work, \ + K_MSEC(DT_INST_PROP(n, debounce_period))); \ + })) \ +} \ + +#else /* !defined(ZMK_KSCAN_MATRIX_POLLING) */ +/* Set up for matrix scanning. */ + +static void kscan_gpio_timer_handler(struct k_timer *timer) { + struct kscan_gpio_data *data = CONTAINER_OF(timer, struct kscan_gpio_data, poll_timer); + + k_work_submit(&data->work.direct); +} + +#define KSCAN_GPIO_MATRIX_ENABLE(n) \ +static int kscan_gpio_matrix_enable(struct device *dev) { \ + struct kscan_gpio_data *data = dev->driver_data; \ + k_timer_start(&data->poll_timer, K_MSEC(10), K_MSEC(10)); \ + return 0; \ +} \ + +#define KSCAN_GPIO_MATRIX_DISABLE(n) \ +static int kscan_gpio_matrix_disable(struct device *dev) { \ + struct kscan_gpio_data *data = dev->driver_data; \ + k_timer_stop(&data->poll_timer, K_MSEC(10), K_MSEC(10)); \ + return 0; \ +} \ + +#define KSCAN_GPIO_MATRIX_ENABLE(n) \ + + +#endif /* !defined(ZMK_KSCAN_MATRIX_POLLING) */ + #define INST_MATRIX_ROWS(n) DT_INST_PROP_LEN(n, row_gpios) #define INST_MATRIX_COLS(n) DT_INST_PROP_LEN(n, col_gpios) #define INST_OUTPUT_LEN(n) \ @@ -58,17 +115,22 @@ static int kscan_gpio_config_interrupts(struct device **devices, (INST_MATRIX_ROWS(n))) #define GPIO_INST_INIT(n) \ - struct kscan_gpio_irq_callback_##n { \ - struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) * work; \ - struct gpio_callback callback; \ - }; \ - static struct kscan_gpio_irq_callback_##n irq_callbacks_##n[INST_INPUT_LEN(n)]; \ + COND_CODE_0( \ + ZMK_KSCAN_MATRIX_POLLING, \ + (struct kscan_gpio_irq_callback_##n { \ + struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) * work; \ + struct gpio_callback callback; \ + }; \ + static struct kscan_gpio_irq_callback_##n irq_callbacks_##n[INST_INPUT_LEN(n)]; \ + KSCAN_GPIO_ENTABLE_INTERRUPTS(n)), \ + ()) \ struct kscan_gpio_config_##n { \ struct kscan_gpio_item_config rows[INST_MATRIX_ROWS(n)]; \ struct kscan_gpio_item_config cols[INST_MATRIX_COLS(n)]; \ }; \ struct kscan_gpio_data_##n { \ - kscan_callback_t callback; \ + COND_CODE_1(ZMK_KSCAN_MATRIX_POLLING, \ + (struct k_timer poll_timer;),(kscan_callback_t callback;)) \ struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) work; \ bool matrix_state[INST_MATRIX_ROWS(n)][INST_MATRIX_COLS(n)]; \ struct device *rows[INST_MATRIX_ROWS(n)]; \ @@ -96,16 +158,6 @@ static int kscan_gpio_config_interrupts(struct device **devices, return ( \ COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (cfg->rows), (cfg->cols))); \ } \ - static int kscan_gpio_enable_interrupts_##n(struct device *dev) { \ - return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ - kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ - GPIO_INT_DEBOUNCE | GPIO_INT_EDGE_BOTH); \ - } \ - static int kscan_gpio_disable_interrupts_##n(struct device *dev) { \ - return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ - kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ - GPIO_INT_DISABLE); \ - } \ static void kscan_gpio_set_output_state_##n(struct device *dev, int value) { \ for (int i = 0; i < INST_OUTPUT_LEN(n); i++) { \ struct device *in_dev = kscan_gpio_output_devices_##n(dev)[i]; \ @@ -128,7 +180,7 @@ static int kscan_gpio_config_interrupts(struct device **devices, /* Disable our interrupts temporarily while we scan, to avoid */ \ /* re-entry while we iterate columns and set them active one by one */ \ /* to get pressed state for each matrix cell. */ \ - kscan_gpio_disable_interrupts_##n(dev); \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (kscan_gpio_disable_interrupts_##n(dev);), ()) \ kscan_gpio_set_output_state_##n(dev, 0); \ for (int o = 0; o < INST_OUTPUT_LEN(n); o++) { \ struct device *out_dev = kscan_gpio_output_devices_##n(dev)[o]; \ @@ -146,7 +198,7 @@ static int kscan_gpio_config_interrupts(struct device **devices, /* Set all our outputs as active again, then re-enable interrupts, */ \ /* so we can trigger interrupts again for future press/release */ \ kscan_gpio_set_output_state_##n(dev, 1); \ - kscan_gpio_enable_interrupts_##n(dev); \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (kscan_gpio_enable_interrupts_##n(dev);), ()) \ for (int r = 0; r < INST_MATRIX_ROWS(n); r++) { \ for (int c = 0; c < INST_MATRIX_COLS(n); c++) { \ bool pressed = read_state[r][c]; \ @@ -172,16 +224,7 @@ static int kscan_gpio_config_interrupts(struct device **devices, struct kscan_gpio_data_##n *data = CONTAINER_OF(work, struct kscan_gpio_data_##n, work); \ kscan_gpio_read_##n(data->dev); \ } \ - static void kscan_gpio_irq_callback_handler_##n(struct device *dev, struct gpio_callback *cb, \ - gpio_port_pins_t pin) { \ - struct kscan_gpio_irq_callback_##n *data = \ - CONTAINER_OF(cb, struct kscan_gpio_irq_callback_##n, callback); \ - COND_CODE_0(DT_INST_PROP(n, debounce_period), ({ k_work_submit(data->work); }), ({ \ - k_delayed_work_cancel(data->work); \ - k_delayed_work_submit(data->work, \ - K_MSEC(DT_INST_PROP(n, debounce_period))); \ - })) \ - } \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (KSCAN_GPIO_CALLBACK_HANDLER(n)), ()) \ static struct kscan_gpio_data_##n kscan_gpio_data_##n = { \ .rows = {[INST_MATRIX_ROWS(n) - 1] = NULL}, .cols = {[INST_MATRIX_COLS(n) - 1] = NULL}}; \ static int kscan_gpio_configure_##n(struct device *dev, kscan_callback_t callback) { \ @@ -192,13 +235,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, data->callback = callback; \ return 0; \ }; \ - static int kscan_gpio_enable_##n(struct device *dev) { \ - int err = kscan_gpio_enable_interrupts_##n(dev); \ - if (err) { \ - return err; \ - } \ - return kscan_gpio_read_##n(dev); \ - }; \ + KSCAN_GPIO_MATRIX_ENABLE(n) \ + KSCAN_GPIO_MATRIX_DISABLE(n) \ static int kscan_gpio_init_##n(struct device *dev) { \ struct kscan_gpio_data_##n *data = dev->driver_data; \ int err; \ @@ -215,16 +253,21 @@ static int kscan_gpio_config_interrupts(struct device **devices, LOG_ERR("Unable to configure pin %d on %s for input", in_cfg->pin, in_cfg->label); \ return err; \ } \ - irq_callbacks_##n[i].work = &data->work; \ - gpio_init_callback(&irq_callbacks_##n[i].callback, \ - kscan_gpio_irq_callback_handler_##n, BIT(in_cfg->pin)); \ - err = gpio_add_callback(input_devices[i], &irq_callbacks_##n[i].callback); \ - if (err) { \ - LOG_ERR("Error adding the callback to the column device"); \ - return err; \ - } \ + COND_CODE_0( \ + ZMK_KSCAN_MATRIX_POLLING, \ + (irq_callbacks_##n[i].work = &data->work; \ + gpio_init_callback(&irq_callbacks_##n[i].callback, \ + kscan_gpio_irq_callback_handler_##n, BIT(in_cfg->pin)); \ + err = gpio_add_callback(input_devices[i], &irq_callbacks_##n[i].callback); \ + if (err) { \ + LOG_ERR("Error adding the callback to the column device"); \ + return err; \ + }), \ + ()) \ } \ struct device **output_devices = kscan_gpio_output_devices_##n(dev); \ + COND_CODE_1(ZMK_KSCAN_MATRIX_POLLING, \ + (k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);), ()) \ for (int o = 0; o < INST_OUTPUT_LEN(n); o++) { \ const struct kscan_gpio_item_config *out_cfg = &kscan_gpio_output_configs_##n(dev)[o]; \ output_devices[o] = device_get_binding(out_cfg->label); \ @@ -247,8 +290,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, } \ static const struct kscan_driver_api gpio_driver_api_##n = { \ .config = kscan_gpio_configure_##n, \ - .enable_callback = kscan_gpio_enable_##n, \ - .disable_callback = kscan_gpio_disable_interrupts_##n, \ + .enable_callback = kscan_gpio_matrix_enable, \ + .disable_callback = kscan_gpio_matrix_disable, \ }; \ static const struct kscan_gpio_config_##n kscan_gpio_config_##n = { \ .rows = {UTIL_LISTIFY(INST_MATRIX_ROWS(n), _KSCAN_GPIO_ROW_CFG_INIT, n)}, \ From 966830562182bca5645ec5c7f44c1e7390408bdd Mon Sep 17 00:00:00 2001 From: Jason Chestnut Date: Thu, 24 Sep 2020 17:35:51 -0400 Subject: [PATCH 4/8] Restore original matrix driver to correct implementation errors. --- app/drivers/zephyr/kscan_gpio_matrix.c | 133 +++++++++---------------- 1 file changed, 45 insertions(+), 88 deletions(-) diff --git a/app/drivers/zephyr/kscan_gpio_matrix.c b/app/drivers/zephyr/kscan_gpio_matrix.c index 46616ff5..634f694c 100644 --- a/app/drivers/zephyr/kscan_gpio_matrix.c +++ b/app/drivers/zephyr/kscan_gpio_matrix.c @@ -31,8 +31,6 @@ struct kscan_gpio_item_config { #define _KSCAN_GPIO_ROW_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, row_gpios, idx) #define _KSCAN_GPIO_COL_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, col_gpios, idx) -#if !defined(ZMK_KSCAN_MATRIX_POLLING) -/* Set up for interrupt-based input. */ static int kscan_gpio_config_interrupts(struct device **devices, const struct kscan_gpio_item_config *configs, size_t len, gpio_flags_t flags) { @@ -50,61 +48,6 @@ static int kscan_gpio_config_interrupts(struct device **devices, return 0; } - -#define KSCAN_GPIO_MATRIX_ENABLE(n) \ -static int kscan_gpio_matrix_enable(struct device *dev) { \ - return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ - kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ - GPIO_INT_DEBOUNCE | GPIO_INT_EDGE_BOTH); \ -} \ - -#define KSCAN_GPIO_MATRIX_DISABLE(n) \ -static int kscan_gpio_matrix_disable(struct device *dev) { \ - return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ - kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ - GPIO_INT_DISABLE); \ -} \ - -#define KSCAN_GPIO_CALLBACK_HANDLER(n) \ -static void kscan_gpio_irq_callback_handler_##n(struct device *dev, struct gpio_callback *cb, \ - gpio_port_pins_t pin) { \ - struct kscan_gpio_irq_callback_##n *data = \ - CONTAINER_OF(cb, struct kscan_gpio_irq_callback_##n, callback); \ - COND_CODE_0(DT_INST_PROP(n, debounce_period), ({ k_work_submit(data->work); }), ({ \ - k_delayed_work_cancel(data->work); \ - k_delayed_work_submit(data->work, \ - K_MSEC(DT_INST_PROP(n, debounce_period))); \ - })) \ -} \ - -#else /* !defined(ZMK_KSCAN_MATRIX_POLLING) */ -/* Set up for matrix scanning. */ - -static void kscan_gpio_timer_handler(struct k_timer *timer) { - struct kscan_gpio_data *data = CONTAINER_OF(timer, struct kscan_gpio_data, poll_timer); - - k_work_submit(&data->work.direct); -} - -#define KSCAN_GPIO_MATRIX_ENABLE(n) \ -static int kscan_gpio_matrix_enable(struct device *dev) { \ - struct kscan_gpio_data *data = dev->driver_data; \ - k_timer_start(&data->poll_timer, K_MSEC(10), K_MSEC(10)); \ - return 0; \ -} \ - -#define KSCAN_GPIO_MATRIX_DISABLE(n) \ -static int kscan_gpio_matrix_disable(struct device *dev) { \ - struct kscan_gpio_data *data = dev->driver_data; \ - k_timer_stop(&data->poll_timer, K_MSEC(10), K_MSEC(10)); \ - return 0; \ -} \ - -#define KSCAN_GPIO_MATRIX_ENABLE(n) \ - - -#endif /* !defined(ZMK_KSCAN_MATRIX_POLLING) */ - #define INST_MATRIX_ROWS(n) DT_INST_PROP_LEN(n, row_gpios) #define INST_MATRIX_COLS(n) DT_INST_PROP_LEN(n, col_gpios) #define INST_OUTPUT_LEN(n) \ @@ -115,22 +58,17 @@ static int kscan_gpio_matrix_disable(struct device *dev) { (INST_MATRIX_ROWS(n))) #define GPIO_INST_INIT(n) \ - COND_CODE_0( \ - ZMK_KSCAN_MATRIX_POLLING, \ - (struct kscan_gpio_irq_callback_##n { \ - struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) * work; \ - struct gpio_callback callback; \ - }; \ - static struct kscan_gpio_irq_callback_##n irq_callbacks_##n[INST_INPUT_LEN(n)]; \ - KSCAN_GPIO_ENTABLE_INTERRUPTS(n)), \ - ()) \ + struct kscan_gpio_irq_callback_##n { \ + struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) * work; \ + struct gpio_callback callback; \ + }; \ + static struct kscan_gpio_irq_callback_##n irq_callbacks_##n[INST_INPUT_LEN(n)]; \ struct kscan_gpio_config_##n { \ struct kscan_gpio_item_config rows[INST_MATRIX_ROWS(n)]; \ struct kscan_gpio_item_config cols[INST_MATRIX_COLS(n)]; \ }; \ struct kscan_gpio_data_##n { \ - COND_CODE_1(ZMK_KSCAN_MATRIX_POLLING, \ - (struct k_timer poll_timer;),(kscan_callback_t callback;)) \ + kscan_callback_t callback; \ struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) work; \ bool matrix_state[INST_MATRIX_ROWS(n)][INST_MATRIX_COLS(n)]; \ struct device *rows[INST_MATRIX_ROWS(n)]; \ @@ -158,6 +96,16 @@ static int kscan_gpio_matrix_disable(struct device *dev) { return ( \ COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (cfg->rows), (cfg->cols))); \ } \ + static int kscan_gpio_enable_interrupts_##n(struct device *dev) { \ + return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ + kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ + GPIO_INT_DEBOUNCE | GPIO_INT_EDGE_BOTH); \ + } \ + static int kscan_gpio_disable_interrupts_##n(struct device *dev) { \ + return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ + kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ + GPIO_INT_DISABLE); \ + } \ static void kscan_gpio_set_output_state_##n(struct device *dev, int value) { \ for (int i = 0; i < INST_OUTPUT_LEN(n); i++) { \ struct device *in_dev = kscan_gpio_output_devices_##n(dev)[i]; \ @@ -180,7 +128,7 @@ static int kscan_gpio_matrix_disable(struct device *dev) { /* Disable our interrupts temporarily while we scan, to avoid */ \ /* re-entry while we iterate columns and set them active one by one */ \ /* to get pressed state for each matrix cell. */ \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (kscan_gpio_disable_interrupts_##n(dev);), ()) \ + kscan_gpio_disable_interrupts_##n(dev); \ kscan_gpio_set_output_state_##n(dev, 0); \ for (int o = 0; o < INST_OUTPUT_LEN(n); o++) { \ struct device *out_dev = kscan_gpio_output_devices_##n(dev)[o]; \ @@ -198,7 +146,7 @@ static int kscan_gpio_matrix_disable(struct device *dev) { /* Set all our outputs as active again, then re-enable interrupts, */ \ /* so we can trigger interrupts again for future press/release */ \ kscan_gpio_set_output_state_##n(dev, 1); \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (kscan_gpio_enable_interrupts_##n(dev);), ()) \ + kscan_gpio_enable_interrupts_##n(dev); \ for (int r = 0; r < INST_MATRIX_ROWS(n); r++) { \ for (int c = 0; c < INST_MATRIX_COLS(n); c++) { \ bool pressed = read_state[r][c]; \ @@ -224,7 +172,16 @@ static int kscan_gpio_matrix_disable(struct device *dev) { struct kscan_gpio_data_##n *data = CONTAINER_OF(work, struct kscan_gpio_data_##n, work); \ kscan_gpio_read_##n(data->dev); \ } \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (KSCAN_GPIO_CALLBACK_HANDLER(n)), ()) \ + static void kscan_gpio_irq_callback_handler_##n(struct device *dev, struct gpio_callback *cb, \ + gpio_port_pins_t pin) { \ + struct kscan_gpio_irq_callback_##n *data = \ + CONTAINER_OF(cb, struct kscan_gpio_irq_callback_##n, callback); \ + COND_CODE_0(DT_INST_PROP(n, debounce_period), ({ k_work_submit(data->work); }), ({ \ + k_delayed_work_cancel(data->work); \ + k_delayed_work_submit(data->work, \ + K_MSEC(DT_INST_PROP(n, debounce_period))); \ + })) \ + } \ static struct kscan_gpio_data_##n kscan_gpio_data_##n = { \ .rows = {[INST_MATRIX_ROWS(n) - 1] = NULL}, .cols = {[INST_MATRIX_COLS(n) - 1] = NULL}}; \ static int kscan_gpio_configure_##n(struct device *dev, kscan_callback_t callback) { \ @@ -235,8 +192,13 @@ static int kscan_gpio_matrix_disable(struct device *dev) { data->callback = callback; \ return 0; \ }; \ - KSCAN_GPIO_MATRIX_ENABLE(n) \ - KSCAN_GPIO_MATRIX_DISABLE(n) \ + static int kscan_gpio_enable_##n(struct device *dev) { \ + int err = kscan_gpio_enable_interrupts_##n(dev); \ + if (err) { \ + return err; \ + } \ + return kscan_gpio_read_##n(dev); \ + }; \ static int kscan_gpio_init_##n(struct device *dev) { \ struct kscan_gpio_data_##n *data = dev->driver_data; \ int err; \ @@ -253,21 +215,16 @@ static int kscan_gpio_matrix_disable(struct device *dev) { LOG_ERR("Unable to configure pin %d on %s for input", in_cfg->pin, in_cfg->label); \ return err; \ } \ - COND_CODE_0( \ - ZMK_KSCAN_MATRIX_POLLING, \ - (irq_callbacks_##n[i].work = &data->work; \ - gpio_init_callback(&irq_callbacks_##n[i].callback, \ - kscan_gpio_irq_callback_handler_##n, BIT(in_cfg->pin)); \ - err = gpio_add_callback(input_devices[i], &irq_callbacks_##n[i].callback); \ - if (err) { \ - LOG_ERR("Error adding the callback to the column device"); \ - return err; \ - }), \ - ()) \ + irq_callbacks_##n[i].work = &data->work; \ + gpio_init_callback(&irq_callbacks_##n[i].callback, \ + kscan_gpio_irq_callback_handler_##n, BIT(in_cfg->pin)); \ + err = gpio_add_callback(input_devices[i], &irq_callbacks_##n[i].callback); \ + if (err) { \ + LOG_ERR("Error adding the callback to the column device"); \ + return err; \ + } \ } \ struct device **output_devices = kscan_gpio_output_devices_##n(dev); \ - COND_CODE_1(ZMK_KSCAN_MATRIX_POLLING, \ - (k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);), ()) \ for (int o = 0; o < INST_OUTPUT_LEN(n); o++) { \ const struct kscan_gpio_item_config *out_cfg = &kscan_gpio_output_configs_##n(dev)[o]; \ output_devices[o] = device_get_binding(out_cfg->label); \ @@ -290,8 +247,8 @@ static int kscan_gpio_matrix_disable(struct device *dev) { } \ static const struct kscan_driver_api gpio_driver_api_##n = { \ .config = kscan_gpio_configure_##n, \ - .enable_callback = kscan_gpio_matrix_enable, \ - .disable_callback = kscan_gpio_matrix_disable, \ + .enable_callback = kscan_gpio_enable_##n, \ + .disable_callback = kscan_gpio_disable_interrupts_##n, \ }; \ static const struct kscan_gpio_config_##n kscan_gpio_config_##n = { \ .rows = {UTIL_LISTIFY(INST_MATRIX_ROWS(n), _KSCAN_GPIO_ROW_CFG_INIT, n)}, \ From b1dce208f8accab56c7864e01cff70a88bc39b3f Mon Sep 17 00:00:00 2001 From: Jason Chestnut Date: Fri, 25 Sep 2020 11:29:21 -0400 Subject: [PATCH 5/8] Add matrix polling logic to matrix GPIO driver. --- app/drivers/zephyr/Kconfig | 2 +- app/drivers/zephyr/kscan_gpio_matrix.c | 65 +++++++++++++++++++------- 2 files changed, 48 insertions(+), 19 deletions(-) diff --git a/app/drivers/zephyr/Kconfig b/app/drivers/zephyr/Kconfig index c5ff3a66..0534cab2 100644 --- a/app/drivers/zephyr/Kconfig +++ b/app/drivers/zephyr/Kconfig @@ -7,7 +7,7 @@ if ZMK_KSCAN_GPIO_DRIVER config ZMK_KSCAN_MATRIX_POLLING bool "Poll for key event triggers instead of using interrupts on matrix boards." - default y + default n config ZMK_KSCAN_DIRECT_POLLING bool "Poll for key event triggers instead of using interrupts on direct wired boards." diff --git a/app/drivers/zephyr/kscan_gpio_matrix.c b/app/drivers/zephyr/kscan_gpio_matrix.c index 634f694c..8c6cabd8 100644 --- a/app/drivers/zephyr/kscan_gpio_matrix.c +++ b/app/drivers/zephyr/kscan_gpio_matrix.c @@ -31,7 +31,8 @@ struct kscan_gpio_item_config { #define _KSCAN_GPIO_ROW_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, row_gpios, idx) #define _KSCAN_GPIO_COL_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, col_gpios, idx) -static int kscan_gpio_config_interrupts(struct device **devices, +COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, +(static int kscan_gpio_config_interrupts(struct device **devices, const struct kscan_gpio_item_config *configs, size_t len, gpio_flags_t flags) { for (int i = 0; i < len; i++) { @@ -47,7 +48,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, } return 0; -} +}), ()) + #define INST_MATRIX_ROWS(n) DT_INST_PROP_LEN(n, row_gpios) #define INST_MATRIX_COLS(n) DT_INST_PROP_LEN(n, col_gpios) #define INST_OUTPUT_LEN(n) \ @@ -69,6 +71,7 @@ static int kscan_gpio_config_interrupts(struct device **devices, }; \ struct kscan_gpio_data_##n { \ kscan_callback_t callback; \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (), (struct k_timer poll_timer;)) \ struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) work; \ bool matrix_state[INST_MATRIX_ROWS(n)][INST_MATRIX_COLS(n)]; \ struct device *rows[INST_MATRIX_ROWS(n)]; \ @@ -96,16 +99,17 @@ static int kscan_gpio_config_interrupts(struct device **devices, return ( \ COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (cfg->rows), (cfg->cols))); \ } \ - static int kscan_gpio_enable_interrupts_##n(struct device *dev) { \ - return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (static int kscan_gpio_enable_interrupts_##n(struct device *dev) { \ + return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ GPIO_INT_DEBOUNCE | GPIO_INT_EDGE_BOTH); \ - } \ - static int kscan_gpio_disable_interrupts_##n(struct device *dev) { \ - return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ + } \ + static int kscan_gpio_disable_interrupts_##n(struct device *dev) { \ + return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ GPIO_INT_DISABLE); \ - } \ + }), ()) \ static void kscan_gpio_set_output_state_##n(struct device *dev, int value) { \ for (int i = 0; i < INST_OUTPUT_LEN(n); i++) { \ struct device *in_dev = kscan_gpio_output_devices_##n(dev)[i]; \ @@ -128,7 +132,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, /* Disable our interrupts temporarily while we scan, to avoid */ \ /* re-entry while we iterate columns and set them active one by one */ \ /* to get pressed state for each matrix cell. */ \ - kscan_gpio_disable_interrupts_##n(dev); \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (kscan_gpio_disable_interrupts_##n(dev);),()) \ kscan_gpio_set_output_state_##n(dev, 0); \ for (int o = 0; o < INST_OUTPUT_LEN(n); o++) { \ struct device *out_dev = kscan_gpio_output_devices_##n(dev)[o]; \ @@ -143,10 +148,11 @@ static int kscan_gpio_config_interrupts(struct device **devices, } \ gpio_pin_set(out_dev, out_cfg->pin, 0); \ } \ - /* Set all our outputs as active again, then re-enable interrupts, */ \ - /* so we can trigger interrupts again for future press/release */ \ + /* Set all our outputs as active again. */ \ kscan_gpio_set_output_state_##n(dev, 1); \ - kscan_gpio_enable_interrupts_##n(dev); \ + /*Re-enable interrupts so that they can be triggered again for future press/release*/ \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (kscan_gpio_enable_interrupts_##n(dev);), ()) \ for (int r = 0; r < INST_MATRIX_ROWS(n); r++) { \ for (int c = 0; c < INST_MATRIX_COLS(n); c++) { \ bool pressed = read_state[r][c]; \ @@ -190,15 +196,34 @@ static int kscan_gpio_config_interrupts(struct device **devices, return -EINVAL; \ } \ data->callback = callback; \ + LOG_DBG("Configured GPIO %d", n); \ return 0; \ }; \ static int kscan_gpio_enable_##n(struct device *dev) { \ - int err = kscan_gpio_enable_interrupts_##n(dev); \ - if (err) { \ - return err; \ - } \ - return kscan_gpio_read_##n(dev); \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (int err = kscan_gpio_enable_interrupts_##n(dev); \ + if (err) { \ + return err; \ + } \ + return kscan_gpio_read_##n(dev);), \ + (struct kscan_gpio_data_##n *data = dev->driver_data; \ + k_timer_start(&data->poll_timer, K_MSEC(10), K_MSEC(10)); \ + return 0;)) \ }; \ + static int kscan_gpio_disable_##n(struct device *dev) { \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (return kscan_gpio_disable_interrupts_##n(dev);), \ + (struct kscan_gpio_data_##n *data = dev->driver_data; \ + k_timer_stop(&data->poll_timer); \ + return 0;)) \ + }; \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (), \ + (static void kscan_gpio_timer_handler(struct k_timer *timer) { \ + struct kscan_gpio_data_##n *data = \ + CONTAINER_OF(timer, struct kscan_gpio_data_##n, poll_timer); \ + k_work_submit(&data->work.work); \ + LOG_DBG("Submitted work in timer handler."); \ + })) \ static int kscan_gpio_init_##n(struct device *dev) { \ struct kscan_gpio_data_##n *data = dev->driver_data; \ int err; \ @@ -214,6 +239,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, if (err) { \ LOG_ERR("Unable to configure pin %d on %s for input", in_cfg->pin, in_cfg->label); \ return err; \ + } else { \ + LOG_DBG("Configured pin %d on %s for input", in_cfg->pin, in_cfg->label); \ } \ irq_callbacks_##n[i].work = &data->work; \ gpio_init_callback(&irq_callbacks_##n[i].callback, \ @@ -241,6 +268,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, } \ } \ data->dev = dev; \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (), \ + (k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);)) \ (COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work_init), (k_delayed_work_init)))( \ &data->work, kscan_gpio_work_handler_##n); \ return 0; \ @@ -248,7 +277,7 @@ static int kscan_gpio_config_interrupts(struct device **devices, static const struct kscan_driver_api gpio_driver_api_##n = { \ .config = kscan_gpio_configure_##n, \ .enable_callback = kscan_gpio_enable_##n, \ - .disable_callback = kscan_gpio_disable_interrupts_##n, \ + .disable_callback = kscan_gpio_disable_##n, \ }; \ static const struct kscan_gpio_config_##n kscan_gpio_config_##n = { \ .rows = {UTIL_LISTIFY(INST_MATRIX_ROWS(n), _KSCAN_GPIO_ROW_CFG_INIT, n)}, \ From cca8337f0562afbfb11de5af92ba5dc3c9334991 Mon Sep 17 00:00:00 2001 From: Jason Chestnut Date: Wed, 23 Sep 2020 16:05:29 -0400 Subject: [PATCH 6/8] Add support to GPIO matrix driver for matrix polling, rather than interrupt-based IO. - Add ZMK_KSCAN_MATRIX_POLLING config flag to Kconfig - Update matrix driver code to use the above flag to conditionally add the handling code for polling operations. --- app/boards/arm/planck/Kconfig.defconfig | 3 + .../clueboard_california/Kconfig.defconfig | 2 +- app/drivers/zephyr/Kconfig | 8 ++- app/drivers/zephyr/kscan_gpio_direct.c | 18 +++--- app/drivers/zephyr/kscan_gpio_matrix.c | 63 +++++++++++++------ 5 files changed, 64 insertions(+), 30 deletions(-) diff --git a/app/boards/arm/planck/Kconfig.defconfig b/app/boards/arm/planck/Kconfig.defconfig index 6f5bf525..913c1c13 100644 --- a/app/boards/arm/planck/Kconfig.defconfig +++ b/app/boards/arm/planck/Kconfig.defconfig @@ -11,4 +11,7 @@ config ZMK_KEYBOARD_NAME config ZMK_USB default y +config ZMK_KSCAN_MATRIX_POLLING + default y + endif # BOARD_PLANCK_REV6 diff --git a/app/boards/shields/clueboard_california/Kconfig.defconfig b/app/boards/shields/clueboard_california/Kconfig.defconfig index 2408f9ff..e101ea76 100644 --- a/app/boards/shields/clueboard_california/Kconfig.defconfig +++ b/app/boards/shields/clueboard_california/Kconfig.defconfig @@ -8,7 +8,7 @@ config ZMK_KEYBOARD_NAME # across A & B controllers, and STM32F303CCT6 can't enable # interrutps for multiple controllers for the same "line" # for the external interrupts. -config ZMK_KSCAN_GPIO_POLLING +config ZMK_KSCAN_DIRECT_POLLING default y endif diff --git a/app/drivers/zephyr/Kconfig b/app/drivers/zephyr/Kconfig index 0237846a..0534cab2 100644 --- a/app/drivers/zephyr/Kconfig +++ b/app/drivers/zephyr/Kconfig @@ -5,10 +5,14 @@ config ZMK_KSCAN_GPIO_DRIVER if ZMK_KSCAN_GPIO_DRIVER -config ZMK_KSCAN_GPIO_POLLING - bool "Poll for key event triggers instead of using interrupts" +config ZMK_KSCAN_MATRIX_POLLING + bool "Poll for key event triggers instead of using interrupts on matrix boards." default n +config ZMK_KSCAN_DIRECT_POLLING + bool "Poll for key event triggers instead of using interrupts on direct wired boards." + default n + endif config ZMK_KSCAN_INIT_PRIORITY diff --git a/app/drivers/zephyr/kscan_gpio_direct.c b/app/drivers/zephyr/kscan_gpio_direct.c index 1e5ab59e..7ba3399b 100644 --- a/app/drivers/zephyr/kscan_gpio_direct.c +++ b/app/drivers/zephyr/kscan_gpio_direct.c @@ -33,9 +33,9 @@ struct kscan_gpio_config { }; struct kscan_gpio_data { -#if defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) +#if defined(ZMK_KSCAN_DIRECT_POLLING) struct k_timer poll_timer; -#endif /* defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) */ +#endif /* defined(ZMK_KSCAN_DIRECT_POLLING) */ kscan_callback_t callback; union work_reference work; struct device *dev; @@ -53,7 +53,7 @@ static const struct kscan_gpio_item_config *kscan_gpio_input_configs(struct devi return cfg->inputs; } -#if !defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) +#if !defined(ZMK_KSCAN_DIRECT_POLLING) struct kscan_gpio_irq_callback { union work_reference *work; @@ -101,7 +101,7 @@ static void kscan_gpio_irq_callback_handler(struct device *dev, struct gpio_call } } -#else /* !defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) */ +#else /* !defined(ZMK_KSCAN_DIRECT_POLLING) */ static void kscan_gpio_timer_handler(struct k_timer *timer) { struct kscan_gpio_data *data = CONTAINER_OF(timer, struct kscan_gpio_data, poll_timer); @@ -120,7 +120,7 @@ static int kscan_gpio_direct_disable(struct device *dev) { return 0; } -#endif /* defined(CONFIG_ZMK_KSCAN_GPIO_POLLING) */ +#endif /* defined(ZMK_KSCAN_DIRECT_POLLING) */ static int kscan_gpio_direct_configure(struct device *dev, kscan_callback_t callback) { struct kscan_gpio_data *data = dev->driver_data; @@ -173,7 +173,7 @@ static const struct kscan_driver_api gpio_driver_api = { #define INST_INPUT_LEN(n) DT_INST_PROP_LEN(n, input_gpios) #define GPIO_INST_INIT(n) \ - COND_CODE_0(CONFIG_ZMK_KSCAN_GPIO_POLLING, \ + COND_CODE_0(ZMK_KSCAN_DIRECT_POLLING, \ (static struct kscan_gpio_irq_callback irq_callbacks_##n[INST_INPUT_LEN(n)];), ()) \ static struct kscan_gpio_data kscan_gpio_data_##n = { \ .inputs = {[INST_INPUT_LEN(n) - 1] = NULL}}; \ @@ -195,7 +195,7 @@ static const struct kscan_driver_api gpio_driver_api = { return err; \ } \ COND_CODE_0( \ - CONFIG_ZMK_KSCAN_GPIO_POLLING, \ + ZMK_KSCAN_DIRECT_POLLING, \ (irq_callbacks_##n[i].work = &data->work; \ irq_callbacks_##n[i].debounce_period = cfg->debounce_period; \ gpio_init_callback(&irq_callbacks_##n[i].callback, \ @@ -208,7 +208,7 @@ static const struct kscan_driver_api gpio_driver_api = { ()) \ } \ data->dev = dev; \ - COND_CODE_1(CONFIG_ZMK_KSCAN_GPIO_POLLING, \ + COND_CODE_1(ZMK_KSCAN_DIRECT_POLLING, \ (k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);), ()) \ if (cfg->debounce_period > 0) { \ k_delayed_work_init(&data->work.delayed, kscan_gpio_work_handler); \ @@ -227,4 +227,4 @@ static const struct kscan_driver_api gpio_driver_api = { DT_INST_FOREACH_STATUS_OKAY(GPIO_INST_INIT) -#endif /* DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) */ \ No newline at end of file +#endif /* DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) */ diff --git a/app/drivers/zephyr/kscan_gpio_matrix.c b/app/drivers/zephyr/kscan_gpio_matrix.c index 634f694c..72709ba0 100644 --- a/app/drivers/zephyr/kscan_gpio_matrix.c +++ b/app/drivers/zephyr/kscan_gpio_matrix.c @@ -31,7 +31,8 @@ struct kscan_gpio_item_config { #define _KSCAN_GPIO_ROW_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, row_gpios, idx) #define _KSCAN_GPIO_COL_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, col_gpios, idx) -static int kscan_gpio_config_interrupts(struct device **devices, +COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, +(static int kscan_gpio_config_interrupts(struct device **devices, const struct kscan_gpio_item_config *configs, size_t len, gpio_flags_t flags) { for (int i = 0; i < len; i++) { @@ -47,7 +48,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, } return 0; -} +}), ()) + #define INST_MATRIX_ROWS(n) DT_INST_PROP_LEN(n, row_gpios) #define INST_MATRIX_COLS(n) DT_INST_PROP_LEN(n, col_gpios) #define INST_OUTPUT_LEN(n) \ @@ -69,6 +71,7 @@ static int kscan_gpio_config_interrupts(struct device **devices, }; \ struct kscan_gpio_data_##n { \ kscan_callback_t callback; \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (), (struct k_timer poll_timer;)) \ struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) work; \ bool matrix_state[INST_MATRIX_ROWS(n)][INST_MATRIX_COLS(n)]; \ struct device *rows[INST_MATRIX_ROWS(n)]; \ @@ -96,16 +99,17 @@ static int kscan_gpio_config_interrupts(struct device **devices, return ( \ COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (cfg->rows), (cfg->cols))); \ } \ - static int kscan_gpio_enable_interrupts_##n(struct device *dev) { \ - return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (static int kscan_gpio_enable_interrupts_##n(struct device *dev) { \ + return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ GPIO_INT_DEBOUNCE | GPIO_INT_EDGE_BOTH); \ - } \ - static int kscan_gpio_disable_interrupts_##n(struct device *dev) { \ - return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ + } \ + static int kscan_gpio_disable_interrupts_##n(struct device *dev) { \ + return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ GPIO_INT_DISABLE); \ - } \ + }), ()) \ static void kscan_gpio_set_output_state_##n(struct device *dev, int value) { \ for (int i = 0; i < INST_OUTPUT_LEN(n); i++) { \ struct device *in_dev = kscan_gpio_output_devices_##n(dev)[i]; \ @@ -128,7 +132,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, /* Disable our interrupts temporarily while we scan, to avoid */ \ /* re-entry while we iterate columns and set them active one by one */ \ /* to get pressed state for each matrix cell. */ \ - kscan_gpio_disable_interrupts_##n(dev); \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (kscan_gpio_disable_interrupts_##n(dev);),()) \ kscan_gpio_set_output_state_##n(dev, 0); \ for (int o = 0; o < INST_OUTPUT_LEN(n); o++) { \ struct device *out_dev = kscan_gpio_output_devices_##n(dev)[o]; \ @@ -143,10 +148,11 @@ static int kscan_gpio_config_interrupts(struct device **devices, } \ gpio_pin_set(out_dev, out_cfg->pin, 0); \ } \ - /* Set all our outputs as active again, then re-enable interrupts, */ \ - /* so we can trigger interrupts again for future press/release */ \ + /* Set all our outputs as active again. */ \ kscan_gpio_set_output_state_##n(dev, 1); \ - kscan_gpio_enable_interrupts_##n(dev); \ + /*Re-enable interrupts so that they can be triggered again for future press/release*/ \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (kscan_gpio_enable_interrupts_##n(dev);), ()) \ for (int r = 0; r < INST_MATRIX_ROWS(n); r++) { \ for (int c = 0; c < INST_MATRIX_COLS(n); c++) { \ bool pressed = read_state[r][c]; \ @@ -193,12 +199,29 @@ static int kscan_gpio_config_interrupts(struct device **devices, return 0; \ }; \ static int kscan_gpio_enable_##n(struct device *dev) { \ - int err = kscan_gpio_enable_interrupts_##n(dev); \ - if (err) { \ - return err; \ - } \ - return kscan_gpio_read_##n(dev); \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (int err = kscan_gpio_enable_interrupts_##n(dev); \ + if (err) { \ + return err; \ + } \ + return kscan_gpio_read_##n(dev);), \ + (struct kscan_gpio_data_##n *data = dev->driver_data; \ + k_timer_start(&data->poll_timer, K_MSEC(10), K_MSEC(10)); \ + return 0;)) \ }; \ + static int kscan_gpio_disable_##n(struct device *dev) { \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + (return kscan_gpio_disable_interrupts_##n(dev);), \ + (struct kscan_gpio_data_##n *data = dev->driver_data; \ + k_timer_stop(&data->poll_timer); \ + return 0;)) \ + }; \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (), \ + (static void kscan_gpio_timer_handler(struct k_timer *timer) { \ + struct kscan_gpio_data_##n *data = \ + CONTAINER_OF(timer, struct kscan_gpio_data_##n, poll_timer); \ + k_work_submit(&data->work.work); \ + })) \ static int kscan_gpio_init_##n(struct device *dev) { \ struct kscan_gpio_data_##n *data = dev->driver_data; \ int err; \ @@ -214,6 +237,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, if (err) { \ LOG_ERR("Unable to configure pin %d on %s for input", in_cfg->pin, in_cfg->label); \ return err; \ + } else { \ + LOG_DBG("Configured pin %d on %s for input", in_cfg->pin, in_cfg->label); \ } \ irq_callbacks_##n[i].work = &data->work; \ gpio_init_callback(&irq_callbacks_##n[i].callback, \ @@ -241,6 +266,8 @@ static int kscan_gpio_config_interrupts(struct device **devices, } \ } \ data->dev = dev; \ + COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (), \ + (k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);)) \ (COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work_init), (k_delayed_work_init)))( \ &data->work, kscan_gpio_work_handler_##n); \ return 0; \ @@ -248,7 +275,7 @@ static int kscan_gpio_config_interrupts(struct device **devices, static const struct kscan_driver_api gpio_driver_api_##n = { \ .config = kscan_gpio_configure_##n, \ .enable_callback = kscan_gpio_enable_##n, \ - .disable_callback = kscan_gpio_disable_interrupts_##n, \ + .disable_callback = kscan_gpio_disable_##n, \ }; \ static const struct kscan_gpio_config_##n kscan_gpio_config_##n = { \ .rows = {UTIL_LISTIFY(INST_MATRIX_ROWS(n), _KSCAN_GPIO_ROW_CFG_INIT, n)}, \ From 9392c4f9ffbe815a44d007cf85a2a17955f46edb Mon Sep 17 00:00:00 2001 From: jason Date: Sun, 27 Sep 2020 21:27:30 -0400 Subject: [PATCH 7/8] Fix preprocessor flag issues for pull request. --- app/drivers/zephyr/kscan_gpio_direct.c | 16 ++++++++-------- app/drivers/zephyr/kscan_gpio_matrix.c | 23 ++++++++++++----------- 2 files changed, 20 insertions(+), 19 deletions(-) diff --git a/app/drivers/zephyr/kscan_gpio_direct.c b/app/drivers/zephyr/kscan_gpio_direct.c index 7ba3399b..c3414fbf 100644 --- a/app/drivers/zephyr/kscan_gpio_direct.c +++ b/app/drivers/zephyr/kscan_gpio_direct.c @@ -33,9 +33,9 @@ struct kscan_gpio_config { }; struct kscan_gpio_data { -#if defined(ZMK_KSCAN_DIRECT_POLLING) +#if defined(CONFIG_ZMK_KSCAN_DIRECT_POLLING) struct k_timer poll_timer; -#endif /* defined(ZMK_KSCAN_DIRECT_POLLING) */ +#endif /* defined(CONFIG_ZMK_KSCAN_DIRECT_POLLING) */ kscan_callback_t callback; union work_reference work; struct device *dev; @@ -53,7 +53,7 @@ static const struct kscan_gpio_item_config *kscan_gpio_input_configs(struct devi return cfg->inputs; } -#if !defined(ZMK_KSCAN_DIRECT_POLLING) +#if !defined(CONFIG_ZMK_KSCAN_DIRECT_POLLING) struct kscan_gpio_irq_callback { union work_reference *work; @@ -101,7 +101,7 @@ static void kscan_gpio_irq_callback_handler(struct device *dev, struct gpio_call } } -#else /* !defined(ZMK_KSCAN_DIRECT_POLLING) */ +#else /* !defined(CONFIG_ZMK_KSCAN_DIRECT_POLLING) */ static void kscan_gpio_timer_handler(struct k_timer *timer) { struct kscan_gpio_data *data = CONTAINER_OF(timer, struct kscan_gpio_data, poll_timer); @@ -120,7 +120,7 @@ static int kscan_gpio_direct_disable(struct device *dev) { return 0; } -#endif /* defined(ZMK_KSCAN_DIRECT_POLLING) */ +#endif /* defined(CONFIG_ZMK_KSCAN_DIRECT_POLLING) */ static int kscan_gpio_direct_configure(struct device *dev, kscan_callback_t callback) { struct kscan_gpio_data *data = dev->driver_data; @@ -173,7 +173,7 @@ static const struct kscan_driver_api gpio_driver_api = { #define INST_INPUT_LEN(n) DT_INST_PROP_LEN(n, input_gpios) #define GPIO_INST_INIT(n) \ - COND_CODE_0(ZMK_KSCAN_DIRECT_POLLING, \ + COND_CODE_0(CONFIG_ZMK_KSCAN_DIRECT_POLLING, \ (static struct kscan_gpio_irq_callback irq_callbacks_##n[INST_INPUT_LEN(n)];), ()) \ static struct kscan_gpio_data kscan_gpio_data_##n = { \ .inputs = {[INST_INPUT_LEN(n) - 1] = NULL}}; \ @@ -195,7 +195,7 @@ static const struct kscan_driver_api gpio_driver_api = { return err; \ } \ COND_CODE_0( \ - ZMK_KSCAN_DIRECT_POLLING, \ + CONFIG_ZMK_KSCAN_DIRECT_POLLING, \ (irq_callbacks_##n[i].work = &data->work; \ irq_callbacks_##n[i].debounce_period = cfg->debounce_period; \ gpio_init_callback(&irq_callbacks_##n[i].callback, \ @@ -208,7 +208,7 @@ static const struct kscan_driver_api gpio_driver_api = { ()) \ } \ data->dev = dev; \ - COND_CODE_1(ZMK_KSCAN_DIRECT_POLLING, \ + COND_CODE_1(CONFIG_ZMK_KSCAN_DIRECT_POLLING, \ (k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);), ()) \ if (cfg->debounce_period > 0) { \ k_delayed_work_init(&data->work.delayed, kscan_gpio_work_handler); \ diff --git a/app/drivers/zephyr/kscan_gpio_matrix.c b/app/drivers/zephyr/kscan_gpio_matrix.c index e581d33e..b940c6da 100644 --- a/app/drivers/zephyr/kscan_gpio_matrix.c +++ b/app/drivers/zephyr/kscan_gpio_matrix.c @@ -31,8 +31,8 @@ struct kscan_gpio_item_config { #define _KSCAN_GPIO_ROW_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, row_gpios, idx) #define _KSCAN_GPIO_COL_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, col_gpios, idx) -COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, -(static int kscan_gpio_config_interrupts(struct device **devices, +#ifdef CONFIG_ZMK_KSCAN_MATRIX_POLLING +static int kscan_gpio_config_interrupts(struct device **devices, const struct kscan_gpio_item_config *configs, size_t len, gpio_flags_t flags) { for (int i = 0; i < len; i++) { @@ -48,7 +48,8 @@ COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, } return 0; -}), ()) +} +#endif #define INST_MATRIX_ROWS(n) DT_INST_PROP_LEN(n, row_gpios) #define INST_MATRIX_COLS(n) DT_INST_PROP_LEN(n, col_gpios) @@ -71,7 +72,7 @@ COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, }; \ struct kscan_gpio_data_##n { \ kscan_callback_t callback; \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (), (struct k_timer poll_timer;)) \ + COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), (struct k_timer poll_timer;)) \ struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) work; \ bool matrix_state[INST_MATRIX_ROWS(n)][INST_MATRIX_COLS(n)]; \ struct device *rows[INST_MATRIX_ROWS(n)]; \ @@ -99,7 +100,7 @@ COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, return ( \ COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (cfg->rows), (cfg->cols))); \ } \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \ (static int kscan_gpio_enable_interrupts_##n(struct device *dev) { \ return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \ kscan_gpio_input_configs_##n(dev), INST_INPUT_LEN(n), \ @@ -132,7 +133,7 @@ COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, /* Disable our interrupts temporarily while we scan, to avoid */ \ /* re-entry while we iterate columns and set them active one by one */ \ /* to get pressed state for each matrix cell. */ \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \ (kscan_gpio_disable_interrupts_##n(dev);),()) \ kscan_gpio_set_output_state_##n(dev, 0); \ for (int o = 0; o < INST_OUTPUT_LEN(n); o++) { \ @@ -151,7 +152,7 @@ COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, /* Set all our outputs as active again. */ \ kscan_gpio_set_output_state_##n(dev, 1); \ /*Re-enable interrupts so that they can be triggered again for future press/release*/ \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \ (kscan_gpio_enable_interrupts_##n(dev);), ()) \ for (int r = 0; r < INST_MATRIX_ROWS(n); r++) { \ for (int c = 0; c < INST_MATRIX_COLS(n); c++) { \ @@ -200,7 +201,7 @@ COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, return 0; \ }; \ static int kscan_gpio_enable_##n(struct device *dev) { \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \ (int err = kscan_gpio_enable_interrupts_##n(dev); \ if (err) { \ return err; \ @@ -211,13 +212,13 @@ COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, return 0;)) \ }; \ static int kscan_gpio_disable_##n(struct device *dev) { \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, \ + COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \ (return kscan_gpio_disable_interrupts_##n(dev);), \ (struct kscan_gpio_data_##n *data = dev->driver_data; \ k_timer_stop(&data->poll_timer); \ return 0;)) \ }; \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (), \ + COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), \ (static void kscan_gpio_timer_handler(struct k_timer *timer) { \ struct kscan_gpio_data_##n *data = \ CONTAINER_OF(timer, struct kscan_gpio_data_##n, poll_timer); \ @@ -267,7 +268,7 @@ COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, } \ } \ data->dev = dev; \ - COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (), \ + COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), \ (k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);)) \ (COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work_init), (k_delayed_work_init)))( \ &data->work, kscan_gpio_work_handler_##n); \ From c2a861c0e6a731fd92368768a9b07d5feac7d374 Mon Sep 17 00:00:00 2001 From: Jason Chestnut Date: Mon, 28 Sep 2020 08:24:51 -0400 Subject: [PATCH 8/8] Modify preprocessor directives to use basic #if !defined() rather than Zephyr macros where appropriate. --- app/drivers/zephyr/kscan_gpio_matrix.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/app/drivers/zephyr/kscan_gpio_matrix.c b/app/drivers/zephyr/kscan_gpio_matrix.c index b940c6da..5fa618bc 100644 --- a/app/drivers/zephyr/kscan_gpio_matrix.c +++ b/app/drivers/zephyr/kscan_gpio_matrix.c @@ -31,7 +31,7 @@ struct kscan_gpio_item_config { #define _KSCAN_GPIO_ROW_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, row_gpios, idx) #define _KSCAN_GPIO_COL_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, col_gpios, idx) -#ifdef CONFIG_ZMK_KSCAN_MATRIX_POLLING +#if !defined(CONFIG_ZMK_KSCAN_MATRIX_POLLING) static int kscan_gpio_config_interrupts(struct device **devices, const struct kscan_gpio_item_config *configs, size_t len, gpio_flags_t flags) {