sw: experimental improved dfu performance
Signed-off-by: Sean Cross <sean@xobs.io>
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@ -73,7 +73,7 @@ static struct toboot_state {
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static dfu_state_t dfu_state = dfuIDLE;
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static dfu_status_t dfu_status = OK;
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static unsigned dfu_poll_timeout_ms = 100;
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static unsigned dfu_poll_timeout_ms = 1;
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static uint32_t dfu_buffer[DFU_TRANSFER_SIZE/4];
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static uint32_t dfu_buffer_offset;
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@ -32,13 +32,17 @@ static void gpioWrite(int pin, int val) {
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do_mirror |= 1 << pin;
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else
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do_mirror &= ~(1 << pin);
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bbspi_do_write(do_mirror);
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// bbspi_do_write(do_mirror);
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}
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static int gpioRead(int pin) {
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return !!(bbspi_di_read() & (1 << pin));
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}
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static void gpioSync(void) {
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bbspi_do_write(do_mirror);
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}
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#define SPI_ONLY_SINGLE
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enum ff_spi_quirks {
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@ -161,11 +165,13 @@ void spiBegin(struct ff_spi *spi) {
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gpioWrite(spi->pins.hold, 1);
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}
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gpioWrite(spi->pins.cs, 0);
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gpioSync();
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}
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void spiEnd(struct ff_spi *spi) {
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(void)spi;
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gpioWrite(spi->pins.cs, 1);
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gpioSync();
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}
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static uint8_t spiXfer(struct ff_spi *spi, uint8_t out) {
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