Merge pull request #1760 from embedded-creations/fixWrapperEsp32Spi
bus_wrapper fixes/improvements for ESP32 SPI
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commit
94f7c03871
@ -122,7 +122,7 @@ class BusDigital : public Bus {
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//Fix for turning off onboard LED breaking bus
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#ifdef LED_BUILTIN
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if (_bri == 0 && b > 0) {
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if (_pins[0] == LED_BUILTIN || _pins[1] == LED_BUILTIN) PolyBus::begin(_busPtr, _iType);
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if (_pins[0] == LED_BUILTIN || _pins[1] == LED_BUILTIN) PolyBus::begin(_busPtr, _iType, _pins);
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}
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#endif
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_bri = b;
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@ -159,7 +159,7 @@ class BusDigital : public Bus {
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}
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void reinit() {
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PolyBus::begin(_busPtr, _iType);
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PolyBus::begin(_busPtr, _iType, _pins);
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}
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void cleanup() {
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@ -191,7 +191,7 @@
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//handles pointer type conversion for all possible bus types
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class PolyBus {
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public:
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static void begin(void* busPtr, uint8_t busType) {
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static void begin(void* busPtr, uint8_t busType, uint8_t* pins) {
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switch (busType) {
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case I_NONE: break;
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#ifdef ESP8266
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@ -211,6 +211,10 @@ class PolyBus {
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case I_8266_U1_TM1_4: (static_cast<B_8266_U1_TM1_4*>(busPtr))->Begin(); break;
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case I_8266_DM_TM1_4: (static_cast<B_8266_DM_TM1_4*>(busPtr))->Begin(); break;
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case I_8266_BB_TM1_4: (static_cast<B_8266_BB_TM1_4*>(busPtr))->Begin(); break;
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case I_HS_DOT_3: (static_cast<B_HS_DOT_3*>(busPtr))->Begin(); break;
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case I_HS_LPD_3: (static_cast<B_HS_LPD_3*>(busPtr))->Begin(); break;
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case I_HS_WS1_3: (static_cast<B_HS_WS1_3*>(busPtr))->Begin(); break;
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case I_HS_P98_3: (static_cast<B_HS_P98_3*>(busPtr))->Begin(); break;
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#endif
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#ifdef ARDUINO_ARCH_ESP32
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case I_32_R0_NEO_3: (static_cast<B_32_R0_NEO_3*>(busPtr))->Begin(); break;
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@ -253,14 +257,15 @@ class PolyBus {
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case I_32_R7_TM1_4: (static_cast<B_32_R7_TM1_4*>(busPtr))->Begin(); break;
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case I_32_I0_TM1_4: (static_cast<B_32_I0_TM1_4*>(busPtr))->Begin(); break;
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case I_32_I1_TM1_4: (static_cast<B_32_I1_TM1_4*>(busPtr))->Begin(); break;
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// ESP32 can (and should, to avoid inadvertantly driving the chip select signal) specify the pins used for SPI, but only in begin()
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case I_HS_DOT_3: (static_cast<B_HS_DOT_3*>(busPtr))->Begin(pins[1], -1, pins[0], -1); break;
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case I_HS_LPD_3: (static_cast<B_HS_LPD_3*>(busPtr))->Begin(pins[1], -1, pins[0], -1); break;
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case I_HS_WS1_3: (static_cast<B_HS_WS1_3*>(busPtr))->Begin(pins[1], -1, pins[0], -1); break;
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case I_HS_P98_3: (static_cast<B_HS_P98_3*>(busPtr))->Begin(pins[1], -1, pins[0], -1); break;
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#endif
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case I_HS_DOT_3: (static_cast<B_HS_DOT_3*>(busPtr))->Begin(); break;
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case I_SS_DOT_3: (static_cast<B_SS_DOT_3*>(busPtr))->Begin(); break;
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case I_HS_LPD_3: (static_cast<B_HS_LPD_3*>(busPtr))->Begin(); break;
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case I_SS_LPD_3: (static_cast<B_SS_LPD_3*>(busPtr))->Begin(); break;
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case I_HS_WS1_3: (static_cast<B_HS_WS1_3*>(busPtr))->Begin(); break;
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case I_SS_WS1_3: (static_cast<B_SS_WS1_3*>(busPtr))->Begin(); break;
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case I_HS_P98_3: (static_cast<B_HS_P98_3*>(busPtr))->Begin(); break;
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case I_SS_P98_3: (static_cast<B_SS_P98_3*>(busPtr))->Begin(); break;
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}
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};
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@ -328,16 +333,17 @@ class PolyBus {
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case I_32_I0_TM1_4: busPtr = new B_32_I0_TM1_4(len, pins[0]); break;
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case I_32_I1_TM1_4: busPtr = new B_32_I1_TM1_4(len, pins[0]); break;
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#endif
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case I_HS_DOT_3: busPtr = new B_HS_DOT_3(len, pins[0], pins[1]); break;
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case I_SS_DOT_3: busPtr = new B_SS_DOT_3(len, pins[0], pins[1]); break;
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case I_HS_LPD_3: busPtr = new B_HS_LPD_3(len, pins[0], pins[1]); break;
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case I_SS_LPD_3: busPtr = new B_SS_LPD_3(len, pins[0], pins[1]); break;
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case I_HS_WS1_3: busPtr = new B_HS_WS1_3(len, pins[0], pins[1]); break;
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case I_SS_WS1_3: busPtr = new B_SS_WS1_3(len, pins[0], pins[1]); break;
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case I_HS_P98_3: busPtr = new B_HS_P98_3(len, pins[0], pins[1]); break;
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case I_SS_P98_3: busPtr = new B_SS_P98_3(len, pins[0], pins[1]); break;
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// for 2-wire: pins[1] is clk, pins[0] is dat. begin expects (len, clk, dat)
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case I_HS_DOT_3: busPtr = new B_HS_DOT_3(len, pins[1], pins[0]); break;
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case I_SS_DOT_3: busPtr = new B_SS_DOT_3(len, pins[1], pins[0]); break;
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case I_HS_LPD_3: busPtr = new B_HS_LPD_3(len, pins[1], pins[0]); break;
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case I_SS_LPD_3: busPtr = new B_SS_LPD_3(len, pins[1], pins[0]); break;
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case I_HS_WS1_3: busPtr = new B_HS_WS1_3(len, pins[1], pins[0]); break;
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case I_SS_WS1_3: busPtr = new B_SS_WS1_3(len, pins[1], pins[0]); break;
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case I_HS_P98_3: busPtr = new B_HS_P98_3(len, pins[1], pins[0]); break;
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case I_SS_P98_3: busPtr = new B_SS_P98_3(len, pins[1], pins[0]); break;
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}
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begin(busPtr, busType);
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begin(busPtr, busType, pins);
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return busPtr;
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};
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static void show(void* busPtr, uint8_t busType) {
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@ -830,15 +836,15 @@ class PolyBus {
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#ifdef ESP8266
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if (pins[0] == P_8266_HS_MOSI && pins[1] == P_8266_HS_CLK) isHSPI = true;
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#else
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if (pins[0] == P_32_HS_MOSI && pins[1] == P_32_HS_CLK) isHSPI = true;
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if (pins[0] == P_32_VS_MOSI && pins[1] == P_32_VS_CLK) isHSPI = true;
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if(!num) isHSPI = true; // temporary hack to limit use of hardware SPI to a single SPI peripheral: only allow ESP32 hardware serial on segment 0
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#endif
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uint8_t t = I_NONE;
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switch (busType) {
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case TYPE_APA102: t = I_SS_DOT_3;
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case TYPE_LPD8806: t = I_SS_LPD_3;
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case TYPE_WS2801: t = I_SS_WS1_3;
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case TYPE_P9813: t = I_SS_P98_3;
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case TYPE_APA102: t = I_SS_DOT_3; break;
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case TYPE_LPD8806: t = I_SS_LPD_3; break;
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case TYPE_WS2801: t = I_SS_WS1_3; break;
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case TYPE_P9813: t = I_SS_P98_3; break;
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default: t=I_NONE;
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}
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if (t > I_NONE && isHSPI) t--; //hardware SPI has one smaller ID than software
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return t;
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