gpio: support glitch filter

This commit is contained in:
morris
2022-10-11 18:04:54 +08:00
parent 2b9d3a37ee
commit 62f1cbca2c
36 changed files with 945 additions and 83 deletions

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@@ -279,6 +279,14 @@ config SOC_GPIO_PIN_COUNT
int
default 31
config SOC_GPIO_SUPPORT_PIN_GLITCH_FILTER
bool
default y
config SOC_GPIO_FLEX_GLITCH_FILTER_NUM
int
default 8
config SOC_GPIO_SUPPORT_ETM
bool
default y

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@@ -70,22 +70,22 @@ typedef union {
*/
typedef union {
struct {
/** filter_ch0_en : R/W; bitpos: [0]; default: 0;
/** filter_chn_en : R/W; bitpos: [0]; default: 0;
* Glitch Filter channel enable bit.
*/
uint32_t filter_ch0_en:1;
/** filter_ch0_input_io_num : R/W; bitpos: [6:1]; default: 0;
uint32_t filter_chn_en:1;
/** filter_chn_input_io_num : R/W; bitpos: [6:1]; default: 0;
* Glitch Filter input io number.
*/
uint32_t filter_ch0_input_io_num:6;
/** filter_ch0_window_thres : R/W; bitpos: [12:7]; default: 0;
uint32_t filter_chn_input_io_num:6;
/** filter_chn_window_thres : R/W; bitpos: [12:7]; default: 0;
* Glitch Filter window threshold.
*/
uint32_t filter_ch0_window_thres:6;
/** filter_ch0_window_width : R/W; bitpos: [18:13]; default: 0;
uint32_t filter_chn_window_thres:6;
/** filter_chn_window_width : R/W; bitpos: [18:13]; default: 0;
* Glitch Filter window width.
*/
uint32_t filter_ch0_window_width:6;
uint32_t filter_chn_window_width:6;
uint32_t reserved_19:13;
};
uint32_t val;

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@@ -63,6 +63,11 @@
#define MCU_SEL_M (MCU_SEL_V << MCU_SEL_S)
#define MCU_SEL_V 0x7
#define MCU_SEL_S 12
/* Pin filter (Pulse width shorter than 2 clock cycles will be filtered out) */
#define FILTER_EN (BIT(15))
#define FILTER_EN_M (FILTER_EN_V << FILTER_EN_S)
#define FILTER_EN_V 1
#define FILTER_EN_S 15
#define PIN_SLP_INPUT_ENABLE(PIN_NAME) SET_PERI_REG_MASK(PIN_NAME,SLP_IE)
#define PIN_SLP_INPUT_DISABLE(PIN_NAME) CLEAR_PERI_REG_MASK(PIN_NAME,SLP_IE)
@@ -83,6 +88,8 @@
#define PIN_PULLDWN_DIS(PIN_NAME) REG_CLR_BIT(PIN_NAME, FUN_PD)
#define PIN_PULLDWN_EN(PIN_NAME) REG_SET_BIT(PIN_NAME, FUN_PD)
#define PIN_FUNC_SELECT(PIN_NAME, FUNC) REG_SET_FIELD(PIN_NAME, MCU_SEL, FUNC)
#define PIN_FILTER_EN(PIN_NAME) REG_SET_BIT(PIN_NAME, FILTER_EN)
#define PIN_FILTER_DIS(PIN_NAME) REG_CLR_BIT(PIN_NAME, FILTER_EN)
#define IO_MUX_GPIO0_REG PERIPHS_IO_MUX_XTAL_32K_P_U
#define IO_MUX_GPIO1_REG PERIPHS_IO_MUX_XTAL_32K_N_U

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@@ -150,8 +150,10 @@
/*-------------------------- GPIO CAPS ---------------------------------------*/
// ESP32-C6 has 1 GPIO peripheral
#define SOC_GPIO_PORT (1U)
#define SOC_GPIO_PIN_COUNT (31)
#define SOC_GPIO_PORT 1U
#define SOC_GPIO_PIN_COUNT 31
#define SOC_GPIO_SUPPORT_PIN_GLITCH_FILTER 1
#define SOC_GPIO_FLEX_GLITCH_FILTER_NUM 8
// GPIO peripheral has the ETM extension
#define SOC_GPIO_SUPPORT_ETM 1