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view src/cs/drivers/drv_app/r2d/r2d_asm_lcds.s @ 261:841a848ba762

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SPI SWE: clear any pending boot-time interrupts in spi_init() Charger plug/unplug hw logic in the Iota ABB has no built-in debouncing, thus electrical contact bounce on the charging power connection interface produces a lot of charger plug/unplug interrupts. When we boot in charging mode (charging power present at boot time and is presumably the cause of Switch-ON), some bounce may occur between the initial Iota Switch-ON action and Calypso firmware booting. By clearing any accumulated ITSTATREG interrupts on boot, we prevent these pre-boot interrupts from generating charger plug/unplug events to FCHG, which would upset smooth from-boot charging.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 14 May 2021 02:49:05 +0000
parents 4e78acac3d88
children
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 .if (R2D_ASM = 1)

  .include "r2d_asm_configs.inc"

  .if (R2D_EMBEDDED_LCD = R2D_BOARD_COLOR_LCD) 
  .include "LCDs/ColorBoard/r2d_board_color_lcd_ia.s"
  .endif

  .if (R2D_EMBEDDED_LCD = R2D_BOARD_DSAMPLE_LCD)
  .include "LCDs/D_Sample/r2d_board_dsample_ia.s"
  .endif

  .if (R2D_EMBEDDED_LCD = R2D_BOARD_BW_DSAMPLE_LCD)
  .include "LCDs/BW_D_Sample/r2d_board_bw_dsample_ia.s"
  .endif

  .endif
  .end