fw/icE1usb: Update to support production hardware
Also default build to it since very few people would want to build firmware targetted to the prototypes ... Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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@ -2,7 +2,7 @@
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#ice1usb-proto-icebreaker
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#ice1usb-proto-bitsty
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#e1-tracer
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BOARD ?= ice1usb-proto-icebreaker
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BOARD ?= ice1usb
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CROSS ?= riscv-none-embed-
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CC = $(CROSS)gcc
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OBJCOPY = $(CROSS)objcopy
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@ -80,19 +80,27 @@ void main()
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/* SPI */
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spi_init();
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serial_no_init();
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/* Enable LED now that we're done with SPI */
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e1_led_set(true, 0x00);
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/* Setup E1 Vref */
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int d = 25;
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#if defined(BOARD_ICE1USB_PROTO_ICEBREAKER) || defined(BOARD_ICE1USB_PROTO_BITSY)
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pdm_set(PDM_E1_CT, true, 128, false);
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pdm_set(PDM_E1_P, true, 128 - d, false);
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pdm_set(PDM_E1_N, true, 128 + d, false);
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#else
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pdm_set(PDM_E1_RX0, true, 128 + d, false);
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pdm_set(PDM_E1_RX1, true, 128 + d, false);
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#endif
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/* Setup clock tuning */
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pdm_set(PDM_CLK_HI, true, 2048, false);
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pdm_set(PDM_CLK_LO, false, 0, false);
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/* Enable USB directly */
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serial_no_init();
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usb_init(&app_stack_desc);
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usb_dfu_rt_init();
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usb_e1_init();
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@ -45,6 +45,12 @@ pdm_set(int chan, bool enable, unsigned value, bool normalize)
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}
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void
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e1_led_set(bool enable, uint8_t cfg)
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{
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misc_regs->e1_led = (enable ? 0x100 : 0x000) | cfg;
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}
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uint16_t
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e1_tick_read(void)
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{
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@ -13,6 +13,12 @@
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enum pdm_chan {
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PDM_CLK_LO = 0,
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PDM_CLK_HI = 1,
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/* icE1usb */
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PDM_E1_RX0 = 2,
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PDM_E1_RX1 = 3,
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/* icE1usb-proto */
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PDM_E1_N = 2,
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PDM_E1_P = 3,
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PDM_E1_CT = 4,
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@ -20,4 +26,5 @@ enum pdm_chan {
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void pdm_set(int chan, bool enable, unsigned value, bool normalize);
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void e1_led_set(bool enable, uint8_t cfg);
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uint16_t e1_tick_read(void);
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