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RP2040: add SPI PIO interface option, enhance 8 bit parallel PIO

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The RP2040 processors can now drive 8 bit parallel and SPI displays using the PIO hardware.

The PIO offloads the processor by providing:
1. PIO managed setWindow sequence
2. PIO managed block and screen fill
This commit is contained in:
Bodmer
2022-01-02 01:08:22 +00:00
parent 681eb9dfec
commit 8a2398451b
17 changed files with 718 additions and 322 deletions
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examples/Test and diagnostics/Read_User_Setup/Read_User_Setup.ino
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@@ -153,6 +153,7 @@ void printProcessorName(void)
if ( user.esp == 0x8266) Serial.println("ESP8266");
if ( user.esp == 0x32) Serial.println("ESP32");
if ( user.esp == 0x32F) Serial.println("STM32");
if ( user.esp == 0x2040) Serial.println("RP2040");
if ( user.esp == 0x0000) Serial.println("Generic");
}