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Add MCP23s17 + further optimizations

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This commit is contained in:
Philippe G
2021-12-05 18:21:39 -08:00
parent ec6dcb83f8
commit 5ac153f808
4 changed files with 311 additions and 173 deletions
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13
components/services/gpio_exp.h
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@@ -19,12 +19,15 @@ typedef struct {
uint8_t intr;
uint8_t count;
uint32_t base;
union gpio_exp_phy_u {
struct {
uint8_t addr, port;
struct gpio_exp_phy_s {
uint8_t addr;
struct { // for I2C
uint8_t port;
};
struct {
uint8_t cs_pin;
struct { // for SPI
uint32_t speed;
uint8_t host;
uint8_t cs_pin;
};
} phy;
} gpio_exp_config_t;