I2C & SPI fixes. Global interface.

This commit is contained in:
Blaz Kristan
2022-08-14 13:05:59 +02:00
parent 74b6a78a9b
commit 1de009a80d
12 changed files with 113 additions and 133 deletions

View File

@@ -34,7 +34,7 @@ enum struct PinOwner : uint8_t {
DebugOut = 0x89, // 'Dbg' == debug output always IO1
DMX = 0x8A, // 'DMX' == hard-coded to IO2
HW_I2C = 0x8B, // 'I2C' == hardware I2C pins (4&5 on ESP8266, 21&22 on ESP32)
HW_SPI = 0x8C, // 'SPI' == hardware SPI pins (13,14&15 on ESP8266, 5,18&23 on ESP32)
HW_SPI = 0x8C, // 'SPI' == hardware (V)SPI pins (13,14&15 on ESP8266, 5,18&23 on ESP32)
// Use UserMod IDs from const.h here
UM_Unspecified = USERMOD_ID_UNSPECIFIED, // 0x01
UM_Example = USERMOD_ID_EXAMPLE, // 0x02 // Usermod "usermod_v2_example.h"
@@ -70,13 +70,18 @@ class PinManagerClass {
uint8_t ledcAlloc[2] = {0x00, 0x00}; //16 LEDC channels
PinOwner ownerTag[40] = { PinOwner::None };
#endif
uint8_t i2cAllocCount = 0; // allow multiple allocation of I2C bus pins but keep track of allocations
struct {
uint8_t i2cAllocCount : 4; // allow multiple allocation of I2C bus pins but keep track of allocations
uint8_t spiAllocCount : 4; // allow multiple allocation of SPI bus pins but keep track of allocations
};
public:
PinManagerClass() : i2cAllocCount(0), spiAllocCount(0) {}
// De-allocates a single pin
bool deallocatePin(byte gpio, PinOwner tag);
// De-allocates multiple pins but only if all can be deallocated (PinOwner has to be specified)
bool deallocateMultiplePins(const uint8_t *pinArray, byte arrayElementCount, PinOwner tag);
bool deallocateMultiplePins(const managed_pin_type *pinArray, byte arrayElementCount, PinOwner tag);
// Allocates a single pin, with an owner tag.
// De-allocation requires the same owner tag (or override)
bool allocatePin(byte gpio, bool output, PinOwner tag);