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https://github.com/hathach/tinyusb.git
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add note for max3421e is not signal compatible with pca10056/95
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@ -46,11 +46,12 @@
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#define UART_TX_PIN 6
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// SPI for USB host shield
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#define MAX3421_SCK_PIN _PINNUM(1, 15)
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#define MAX3421_MOSI_PIN _PINNUM(1, 13)
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#define MAX3421_MISO_PIN _PINNUM(1, 14)
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#define MAX3421_CS_PIN _PINNUM(1, 12)
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#define MAX3421_INTR_PIN _PINNUM(1, 11)
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// Pin is correct but not working probably due to signal incompatible (1.8V 3v3) with MAC3421E !?
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//#define MAX3421_SCK_PIN _PINNUM(1, 15)
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//#define MAX3421_MOSI_PIN _PINNUM(1, 13)
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//#define MAX3421_MISO_PIN _PINNUM(1, 14)
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//#define MAX3421_CS_PIN _PINNUM(1, 12)
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//#define MAX3421_INTR_PIN _PINNUM(1, 11)
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#ifdef __cplusplus
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}
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@ -46,11 +46,12 @@
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#define UART_TX_PIN 20
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// SPI for USB host shield
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#define MAX3421_SCK_PIN _PINNUM(1, 15)
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#define MAX3421_MOSI_PIN _PINNUM(1, 13)
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#define MAX3421_MISO_PIN _PINNUM(1, 14)
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#define MAX3421_CS_PIN _PINNUM(1, 12)
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#define MAX3421_INTR_PIN _PINNUM(1, 11)
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// Pin is correct but not working probably due to signal incompatible (1.8V 3v3) with MAC3421E !?
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//#define MAX3421_SCK_PIN _PINNUM(1, 15)
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//#define MAX3421_MOSI_PIN _PINNUM(1, 13)
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//#define MAX3421_MISO_PIN _PINNUM(1, 14)
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//#define MAX3421_CS_PIN _PINNUM(1, 12)
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//#define MAX3421_INTR_PIN _PINNUM(1, 11)
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#ifdef __cplusplus
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}
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@ -292,20 +292,7 @@ void max3421_int_handler(nrfx_gpiote_pin_t pin, nrf_gpiote_polarity_t action) {
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}
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static void max3421_init(void) {
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// MAX3421 need 3.3v signal (may not be needed)
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// #if defined(UICR_REGOUT0_VOUT_Msk)
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// if ((NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) != UICR_REGOUT0_VOUT_3V3) {
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// NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos;
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// while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
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//
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// NRF_UICR->REGOUT0 = (NRF_UICR->REGOUT0 & ~UICR_REGOUT0_VOUT_Msk) | UICR_REGOUT0_VOUT_3V3;
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//
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// NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos;
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// while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
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//
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// NVIC_SystemReset();
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// }
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// #endif
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// Somehow pca10056/95 is not working probably due to signal incompatible (1.8V 3v3) with MAC3421E !?
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// manually manage CS
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nrf_gpio_cfg_output(MAX3421_CS_PIN);
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