Add HT32 support to core (#14388)

* tmk_core: temporary fix to allow HT32 based keyboards to work without patched ChibiOS-contrib (AnnePro2) * HT32: add spi support Add persistent led support with eeprom (#9) * adding HT32 support to chibios SPI master driver update spi driver, fix bad merging with master * HT32: fix formatting HT32: Fix formatting: tmk_core/protocol/chibios/usb_main.c Co-authored-by: Drashna Jaelre <[email protected]> * HT32: Apply suggestions from fauxpark's code review Co-authored-by: Ryan <[email protected]> * HT32: update spi driver * ht32: apply code review suggestions, remove old workaround Co-authored-by: tech2077 <[email protected]> Co-authored-by: Drashna Jaelre <[email protected]> Co-authored-by: Ryan <[email protected]>
qmk · Oct 18, 2021 · 7e3ff20 · 7e3ff20
1 parent 1a63b24
commit 7e3ff20
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Showing 2 changed files with 34 additions and 1 deletion.
diff --git a/platforms/chibios/drivers/spi_master.c b/platforms/chibios/drivers/spi_master.c
@@ -110,6 +110,31 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) {
             spiConfig.tar0 |= SPIx_CTARn_BR(8);
             break;
     }
+
+#elif defined(HT32)
+    spiConfig.cr0 = SPI_CR0_SELOEN;
+    spiConfig.cr1 = SPI_CR1_MODE | 8;  // 8 bits and in master mode
+
+    if (lsbFirst) {
+        spiConfig.cr1 |= SPI_CR1_FIRSTBIT;
+    }
+
+    switch (mode) {
+        case 0:
+            spiConfig.cr1 |= SPI_CR1_FORMAT_MODE0;
+            break;
+        case 1:
+            spiConfig.cr1 |= SPI_CR1_FORMAT_MODE1;
+            break;
+        case 2:
+            spiConfig.cr1 |= SPI_CR1_FORMAT_MODE2;
+            break;
+        case 3:
+            spiConfig.cr1 |= SPI_CR1_FORMAT_MODE3;
+            break;
+    }
+
+    spiConfig.cpr = (roundedDivisor - 1) >> 1;
 #else
     spiConfig.cr1 = 0;
 

diff --git a/tmk_core/common/chibios/chibios_config.h b/tmk_core/common/chibios/chibios_config.h
@@ -48,4 +48,12 @@
 #        define USE_I2CV1_CONTRIB  // for some reason a bunch of ChibiOS-Contrib boards only have clock_speed
 #        define USE_GPIOV1
 #    endif
-#endif
+#endif
+
+#if defined(HT32)
+#    define CPU_CLOCK HT32_CK_SYS_FREQUENCY
+#    define PAL_MODE_ALTERNATE PAL_HT32_MODE_AF
+#    define PAL_OUTPUT_TYPE_OPENDRAIN (PAL_HT32_MODE_OD | PAL_HT32_MODE_DIR)
+#    define PAL_OUTPUT_TYPE_PUSHPULL PAL_HT32_MODE_DIR
+#    define PAL_OUTPUT_SPEED_HIGHEST 0
+#endif