This reverts commit 3fffa51554
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master
parent
c78dc85a1a
commit
c63e2e378d
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@ -18,20 +18,14 @@ enum {
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CMD_GPIOB = 0x13,
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};
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bool mcp23018_init(uint8_t slave_addr) {
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void mcp23018_init(uint8_t addr) {
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static uint8_t s_init = 0;
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uint8_t addr = SLAVE_TO_ADDR(slave_addr);
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if (0 == s_init) {
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if (!s_init) {
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i2c_init();
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wait_ms(100);
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wait_ms(1000);
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// probe that the expander is actually connected by reading from it
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uint8_t data = 0;
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if (I2C_STATUS_SUCCESS == i2c_readReg(addr, 0, &data, sizeof(data), 150)) {
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s_init = 1;
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}
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s_init = 1;
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}
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return (s_init > 0);
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}
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bool mcp23018_set_config(uint8_t slave_addr, mcp23018_port_t port, uint8_t conf) {
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@ -33,7 +33,7 @@ enum {
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/**
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* Init expander and any other dependent drivers
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*/
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bool mcp23018_init(uint8_t slave_addr);
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void mcp23018_init(uint8_t slave_addr);
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/**
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* Configure input/output to a given port
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